title stringlengths 10 172 | question_id int64 469 40.1M | question_body stringlengths 22 48.2k | question_score int64 -44 5.52k | question_date stringlengths 20 20 | answer_id int64 497 40.1M | answer_body stringlengths 18 33.9k | answer_score int64 -38 8.38k | answer_date stringlengths 20 20 | tags list |
|---|---|---|---|---|---|---|---|---|---|
tf.contrib.learn.RunConfig(save_checkpoints_secs=1)) throws unexpected keyword TypeError | 39,827,664 | <p>As per the instructions at <a href="https://www.tensorflow.org/versions/r0.10/tutorials/monitors/index.html" rel="nofollow">https://www.tensorflow.org/versions/r0.10/tutorials/monitors/index.html</a> I have added a monitor to the training script as such:</p>
<pre><code>tf.contrib.learn.DNNClassifier(model_dir=model... | 0 | 2016-10-03T08:48:38Z | 39,827,799 | <p>Apparently, you're running a version of tensorflow that is < <code>0.10</code>. Versions below <code>0.10</code> do not take a <code>save_checkpoints_secs</code> keyword for <code>RunConfig</code> initialization.</p>
<p>You should upgrade your <code>tensorflow</code> installation:</p>
<p><a href="http://stackov... | 0 | 2016-10-03T08:55:49Z | [
"python",
"tensorflow"
] |
Cryptography with ASCII in python 3 | 39,827,719 | <p>Hello there and thanks in advance.</p>
<p>i'm trying to making a cryptography program i have to do for school. i'm not a advanced python expert, so i'm sorry if this is a silly question. when i run this program and insert for example abc with shift 2 it will return cde which is good. but i tried to insert xyz aswel... | 0 | 2016-10-03T08:51:18Z | 39,827,937 | <p>It is because your logic expression is wrong. Here is an example that will allow any positive integer as right shift, beginning again at a again. And it can be very much optimized (hint: use modulo operator), but this is with minor changes to your code and numerics written out loud.</p>
<pre><code>for x in alf:
a... | 0 | 2016-10-03T09:03:40Z | [
"python",
"python-3.x",
"loops",
"ascii"
] |
global and local variables misconception | 39,827,768 | <p>I have a question regarding the output from the following code:</p>
<pre><code>def f():
global s
print(s)
s = "That's clear."
print(s)
s = "Python is great!"
f()
print(s)
</code></pre>
<p>The output is this:</p>
<blockquote>
<p>Python is great!</p>
<p>That's clear.</p>
<p>That's ... | -2 | 2016-10-03T08:54:15Z | 39,828,091 | <p>Assuming you have declared the variable <code>s = "Python is great!"</code> globally.
You may not have indented the code properly, the below code:</p>
<pre><code>def f():
global s
print(s)
s = "That's clear."
print(s)
s = "Python is great!"
f()
print(s)
</code></pre>
<p>Will give you the ... | -1 | 2016-10-03T09:12:50Z | [
"python",
"global-variables"
] |
global and local variables misconception | 39,827,768 | <p>I have a question regarding the output from the following code:</p>
<pre><code>def f():
global s
print(s)
s = "That's clear."
print(s)
s = "Python is great!"
f()
print(s)
</code></pre>
<p>The output is this:</p>
<blockquote>
<p>Python is great!</p>
<p>That's clear.</p>
<p>That's ... | -2 | 2016-10-03T08:54:15Z | 39,828,216 | <p>To see the output you do, the structure of you code has to be:</p>
<pre><code>def f():
global s
print(s) # s outside the function
s = "That's clear." # new global s created
print(s) # print the new s
s = "Python is great!" # s before you call the function/get to s = "That's clear."
f() # f gets cal... | 0 | 2016-10-03T09:19:28Z | [
"python",
"global-variables"
] |
How to run Spark Java code in Airflow? | 39,827,804 | <p>Hello people of the Earth!
I'm using Airflow to schedule and run Spark tasks.
All I found by this time is python DAGs that Airflow can manage.
<br> DAG example:</p>
<pre><code>spark_count_lines.py
import logging
from airflow import DAG
from airflow.operators import PythonOperator
from datetime import datetime
ar... | 1 | 2016-10-03T08:56:09Z | 39,833,103 | <p>You should be able to use <code>BashOperator</code>. Keeping the rest of your code as is, import required class and system packages:</p>
<pre><code>from airflow.operators.bash_operator import BashOperator
import os
import sys
</code></pre>
<p>set required paths:</p>
<pre><code>os.environ['SPARK_HOME'] = '/path/t... | 0 | 2016-10-03T13:41:08Z | [
"java",
"python",
"apache-spark",
"directed-acyclic-graphs",
"airflow"
] |
python json object array not serializable | 39,827,862 | <p>I have a class and array in a loop. I'm filling the object and appending it to the array. How do I pass array data to web side through JSON? I have an error that says JSON is not serializable. How can I serialize to a JSON?</p>
<pre><code>class myclass(object):
def __init__(self,vehicle,mng01):
self.ve... | 1 | 2016-10-03T09:00:03Z | 39,828,172 | <p>Does it say myclass object is not JSON serializable? This is because there is no way for <code>json.dumps(..)</code> to know how to JSON-serialize your class. You will need to write your <a href="https://docs.python.org/2/library/json.html#json.JSONEncoder" rel="nofollow">custom encoder to do that</a>.</p>
<p>Below... | 2 | 2016-10-03T09:16:45Z | [
"python",
"json",
"ajax",
"serialization"
] |
python json object array not serializable | 39,827,862 | <p>I have a class and array in a loop. I'm filling the object and appending it to the array. How do I pass array data to web side through JSON? I have an error that says JSON is not serializable. How can I serialize to a JSON?</p>
<pre><code>class myclass(object):
def __init__(self,vehicle,mng01):
self.ve... | 1 | 2016-10-03T09:00:03Z | 39,828,178 | <p>It doesn't say that JSON is not serializable, it says that your instances of <code>myclass</code> are not JSON serializable. I.e. they cannot be represented as JSON, because it is really not clear what do you expect as an output.</p>
<p>To find out how to make a class JSON serializable, check this question: <a href... | 0 | 2016-10-03T09:16:54Z | [
"python",
"json",
"ajax",
"serialization"
] |
Get dataframe columns from a list using isin | 39,827,897 | <p>I have a dataframe <code>df1</code>, and I have a list which contains names of several columns of <code>df1</code>.</p>
<pre><code>df1:
User_id month day Age year CVI ZIP sex wgt
0 1 7 16 1977 2 NA M NaN
1 2 7 16 1977 3 NA M NaN
2 ... | 1 | 2016-10-03T09:01:30Z | 39,828,023 | <p>You can try :</p>
<pre><code>df2 = df1[list] # it does a projection on the columns contained in the list
df3 = df1[[col for col in df1.columns if col not in list]]
</code></pre>
| 1 | 2016-10-03T09:09:04Z | [
"python",
"list",
"pandas",
"condition",
"multiple-columns"
] |
Get dataframe columns from a list using isin | 39,827,897 | <p>I have a dataframe <code>df1</code>, and I have a list which contains names of several columns of <code>df1</code>.</p>
<pre><code>df1:
User_id month day Age year CVI ZIP sex wgt
0 1 7 16 1977 2 NA M NaN
1 2 7 16 1977 3 NA M NaN
2 ... | 1 | 2016-10-03T09:01:30Z | 39,828,114 | <p>Solution with <a href="http://pandas.pydata.org/pandas-docs/stable/generated/pandas.Index.difference.html" rel="nofollow"><code>Index.difference</code></a>:</p>
<pre><code>L = [u"User_id", u"day", u"ZIP", u"sex"]
df2 = df1[L]
df3 = df1[df1.columns.difference(df2.columns)]
print (df2)
User_id day ZIP sex
0 ... | 1 | 2016-10-03T09:13:44Z | [
"python",
"list",
"pandas",
"condition",
"multiple-columns"
] |
Get dataframe columns from a list using isin | 39,827,897 | <p>I have a dataframe <code>df1</code>, and I have a list which contains names of several columns of <code>df1</code>.</p>
<pre><code>df1:
User_id month day Age year CVI ZIP sex wgt
0 1 7 16 1977 2 NA M NaN
1 2 7 16 1977 3 NA M NaN
2 ... | 1 | 2016-10-03T09:01:30Z | 39,828,564 | <p>never name a list as "list"</p>
<pre><code>my_list= [u"User_id", u"day", u"ZIP", u"sex"]
df2 = df1[df1.keys()[df1.keys().isin(my_list)]]
</code></pre>
| 1 | 2016-10-03T09:36:19Z | [
"python",
"list",
"pandas",
"condition",
"multiple-columns"
] |
Get dataframe columns from a list using isin | 39,827,897 | <p>I have a dataframe <code>df1</code>, and I have a list which contains names of several columns of <code>df1</code>.</p>
<pre><code>df1:
User_id month day Age year CVI ZIP sex wgt
0 1 7 16 1977 2 NA M NaN
1 2 7 16 1977 3 NA M NaN
2 ... | 1 | 2016-10-03T09:01:30Z | 39,828,659 | <p>never name a list as "list"</p>
<pre><code>my_list= [u"User_id", u"day", u"ZIP", u"sex"]
df2 = df1[df1.keys()[df1.keys().isin(my_list)]]
</code></pre>
<p>or</p>
<pre><code>df2 = df1[df1.columns[df1.columns.isin(my_list)]]
</code></pre>
| 1 | 2016-10-03T09:41:45Z | [
"python",
"list",
"pandas",
"condition",
"multiple-columns"
] |
using python to read a column vector from excel | 39,827,924 | <p>OK i think this must be a super simple thing to do, but i keep getting index error messages no matter how i try to format this. my professor is making us multiply a 1X3 row vector by a 3x1 column vector, and i cant get python to read the column vector. the row vector is from cells A1-C1, and the column vector is f... | 0 | 2016-10-03T09:02:40Z | 39,828,590 | <p>Something like this should work. The way you iterate over <code>i</code> and <code>j</code> are wrong (plus the initalization of <code>a</code> and <code>b</code>)</p>
<pre><code> #initialize vectors
a = np.zeros((1,3))
b = np.zeros((3,1))
n=3
#Read a and b vectors from excel
for i in range(0,n):
a[0,i] = xw... | 0 | 2016-10-03T09:38:00Z | [
"python",
"excel",
"vector"
] |
using python to read a column vector from excel | 39,827,924 | <p>OK i think this must be a super simple thing to do, but i keep getting index error messages no matter how i try to format this. my professor is making us multiply a 1X3 row vector by a 3x1 column vector, and i cant get python to read the column vector. the row vector is from cells A1-C1, and the column vector is f... | 0 | 2016-10-03T09:02:40Z | 39,828,597 | <p>Remember, Python use 0-based indexing and Excel use 1-based indexing. </p>
<p>This code will read out the vectors properly, and then you can check on numpy "scalar product" to produce the multiplication. You can also assign the whole vectors immediately without loop.</p>
<pre><code>import xlwings as xw
import nump... | 0 | 2016-10-03T09:38:13Z | [
"python",
"excel",
"vector"
] |
Python program to match string based on user input | 39,828,202 | <p>I need to write a python program that allows user to enter input
like <code>Apple,Ball</code> and it if matches the line in the file print it.
so far I am able to get this.</p>
<pre><code>import re
import sys
print('Enter the values')
value1=input()
try:
filenm1="D:\names.txt"
t=open(filenm1,'r')
regex... | 0 | 2016-10-03T09:18:31Z | 39,830,847 | <p>You can change your loop into this:</p>
<pre><code>import sys
print('Enter the values')
value1=input()
value1=value1.split(',')
try:
filenm1="D:\names.txt"
t=open(filenm1,'r')
for line in t:
alreadyPrinted = False
for value in value1:
if value in line:
if not... | 0 | 2016-10-03T11:46:19Z | [
"python",
"python-3.x"
] |
How to get For loops to communicate with a While loop | 39,828,257 | <p>I need to write a program that takes the last number from the for loop ( if it exceeds a certain number) and places it in the while loop. I have left the unfinished code below.</p>
<pre><code>t=0
num=int(input("How many presents do you want to buy?: "))
for i in range(num):
t=t+int(input("Please enter the price... | -1 | 2016-10-03T09:21:40Z | 39,828,586 | <p>U need to use a list.</p>
<p>Ex</p>
<pre><code>t = 0
num=int(input("How many presents do you want to buy?: "))
prices = []
for i in range(num):
prices.append(int(input("Please enter the price of a present")))
t += prices[-1]
while t > 200:
print("Limit Exceeded.")
print("You need to ... | 0 | 2016-10-03T09:37:48Z | [
"python",
"for-loop",
"while-loop"
] |
Using grep to compare two lists of Python packages | 39,828,366 | <p>I want to generate the list of packages install in Python 3, the list of all packages in Python 2.7 and find all entries in the 2.7 list <em>not</em> in the Python 3 list.</p>
<p>Generating the list is easy: <code>pip freeze</code> or <code>pip3.4 freeze</code>.</p>
<p>Searching for a package in the list is equall... | 3 | 2016-10-03T09:26:31Z | 39,829,092 | <p>you can use also comm command as below</p>
<pre><code>comm -12 <(pip freeze) <(pip3.4 freeze)
</code></pre>
<p>to search for intersections;</p>
<pre><code>grep -f <(pip freeze) <(pip3.4 freeze)
</code></pre>
| 1 | 2016-10-03T10:06:09Z | [
"python",
"bash",
"list",
"shell",
"grep"
] |
SLURM with python multiprocessing give inconsistent results | 39,828,425 | <p>We have a small HPC with 4*64 cores, and it has SLURM installed in it.</p>
<p>The nodes are:</p>
<pre><code>sinfo -N -l
Mon Oct 3 08:58:12 2016
NODELIST NODES PARTITION STATE CPUS S:C:T MEMORY TMP_DISK WEIGHT FEATURES REASON
dlab-node1 1 dlab* idle 64 2:16:2 257847 ... | 0 | 2016-10-03T09:29:22Z | 39,834,957 | <p>From sbatch man page:</p>
<blockquote>
<p>SLURM_JOB_CPUS_PER_NODE</p>
<p>Count of processors available to the job <strong>on this node</strong>. Note the select/linear plugin allocates entire nodes to jobs, so the value indicates the total count of CPUs on the node. The select/cons_res plugin allocates ind... | 2 | 2016-10-03T15:17:39Z | [
"python",
"python-3.x",
"multiprocessing",
"slurm"
] |
how to get ALL your channel-IDs - youtube api v3 | 39,828,449 | <p>I was wondering if it was possible to gain your other channel-IDs, this code under is only getting one channelID (the one channel i clicked on during the authorization).</p>
<pre><code> def gaining_channelID(youtube):
channels_list_response = youtube.channels().list(
part="id",
mine=True
).execu... | 1 | 2016-10-03T09:30:31Z | 39,828,790 | <p>When you authenticate to the YouTube API you pick a channel. In my case I have 6 channels I think. If I authenticate to the first channel I will only have access to the first channels data. </p>
<p>Yes you need to authenticate for each of the channels. The access you get will be channel specific. </p>
| 2 | 2016-10-03T09:48:54Z | [
"python",
"api",
"youtube",
"youtube-api",
"youtube-data-api"
] |
Finding dimensions of a keras intermediate expression | 39,828,691 | <p>I am implementing a custom keras layer.
The call method in my class is as follows.</p>
<pre><code> def call(self, inputs, mask=None):
if type(inputs) is not list or len(inputs) <= 1:
raise Exception('Merge must be called on a list of tensors '
'(at least 2). Got: ' + str(inputs))... | 0 | 2016-10-03T09:43:23Z | 39,863,014 | <p>If you are using the theano backend, you can define Theano functions. (<a href="https://github.com/fchollet/keras/issues/41" rel="nofollow">like François suggested</a>)</p>
<p>E.g. </p>
<pre class="lang-py prettyprint-override"><code>import theano
from keras import layers
input = layers.Input(params)
layer = You... | 1 | 2016-10-04T22:58:08Z | [
"python",
"keras",
"keras-layer"
] |
Visual studio code interactive python console | 39,828,744 | <p>I'm using visual studio code with DonJayamanne python extension. It's working fine but I want to have an interactive session just like the one in Matlab, where after code execution every definition and computational result remains and accessible in the console. </p>
<p>For example after running this code: </p>
<pr... | 0 | 2016-10-03T09:45:53Z | 39,846,499 | <p>I'm the author of the extension.
There are two options:</p>
<ol>
<li><p>Use the integrated terminal window (I guess you already knew this)<br>
Launch the terminal window and type in <code>python</code>.<br>
Every statement executed in the REPL is within the same session. </p></li>
<li><p>Next version will add suppo... | 1 | 2016-10-04T07:25:51Z | [
"python",
"ipython",
"vscode"
] |
Copy number of rows for n number of times using Python and write them in other file | 39,828,791 | <p>Hi I'm writing a simple script to copy a set of rows from a <strong>csv</strong> file and paste them for N number of times in other file. </p>
<p>I'm not able to write the result into other file.</p>
<p>Please find the code below:</p>
<pre><code>import csv
for i in range(2):
with open('C:\\Python\\CopyPaste\\... | -1 | 2016-10-03T09:48:55Z | 39,829,026 | <p>I guess your question is : read a .csv file and then write the data to another .csv file for N times?</p>
<p>If my recognition is right, my suggestion would be using pandas library, that's very convenient.</p>
<p>Something like:</p>
<pre><code>import pandas as pd
df = pd.read_csv('origin.csv')
df.to_csv('output.... | 0 | 2016-10-03T10:02:04Z | [
"python",
"csv"
] |
Copy number of rows for n number of times using Python and write them in other file | 39,828,791 | <p>Hi I'm writing a simple script to copy a set of rows from a <strong>csv</strong> file and paste them for N number of times in other file. </p>
<p>I'm not able to write the result into other file.</p>
<p>Please find the code below:</p>
<pre><code>import csv
for i in range(2):
with open('C:\\Python\\CopyPaste\\... | -1 | 2016-10-03T09:48:55Z | 39,829,207 | <p>Assuming that the format of the input and output CSV files is the same, just read the input file into a string and then write it to an output file <code>N</code> times:</p>
<pre><code>N = 3
with open('C:\\Python\\CopyPaste\\result2.csv', 'r') as infile,\
open('C:\\Python\\CopyPaste\\mydata.csv', 'w') as o... | 1 | 2016-10-03T10:12:50Z | [
"python",
"csv"
] |
How can I correct my ORM statement to show all friends not associated with a user in Django? | 39,828,805 | <p>In my Django application, I've got two models, one Users and one Friendships. There is a Many to Many relationship between the two, as Users can have many Friends, and Friends can have many other Friends that are Users.</p>
<p>How can I return all friends (first and last name) whom are NOT friends with the user wit... | 0 | 2016-10-03T09:49:41Z | 39,830,356 | <p>Try this,In the place of friend_of_daniel.friend.id , You should exclude the results from User model.</p>
<p>Something like this :</p>
<pre><code> def index(req):
friends_of_daniel = Friendships.objects.filter(user__first_name='Daniel')
daniels_friends = []
for friend_of_daniel in frien... | 1 | 2016-10-03T11:18:40Z | [
"python",
"django",
"orm",
"many-to-many"
] |
How can I correct my ORM statement to show all friends not associated with a user in Django? | 39,828,805 | <p>In my Django application, I've got two models, one Users and one Friendships. There is a Many to Many relationship between the two, as Users can have many Friends, and Friends can have many other Friends that are Users.</p>
<p>How can I return all friends (first and last name) whom are NOT friends with the user wit... | 0 | 2016-10-03T09:49:41Z | 39,830,397 | <p>I guess something like this will do. Just then take the list <code>users</code>, and get the first and last name of those users.</p>
<pre><code>daniels = Users.objects.filter(first_name="Daniel") # There may be more than one Daniel
users = Friendships.objects.exclude(friend__in=daniels)
</code></pre>
<p>Note here,... | 1 | 2016-10-03T11:20:44Z | [
"python",
"django",
"orm",
"many-to-many"
] |
How can I correct my ORM statement to show all friends not associated with a user in Django? | 39,828,805 | <p>In my Django application, I've got two models, one Users and one Friendships. There is a Many to Many relationship between the two, as Users can have many Friends, and Friends can have many other Friends that are Users.</p>
<p>How can I return all friends (first and last name) whom are NOT friends with the user wit... | 0 | 2016-10-03T09:49:41Z | 39,837,106 | <p>Firstly as a general comment: a cleaner way of populating a list of ids is using the <a href="https://docs.djangoproject.com/es/1.10/ref/models/querysets/#django.db.models.query.QuerySet.values_list" rel="nofollow">.value_list() method from django</a> (part of the .values() method in previous versions of Django). It... | 1 | 2016-10-03T17:25:13Z | [
"python",
"django",
"orm",
"many-to-many"
] |
Python: three levels of nesting with list comprehension | 39,828,865 | <p>I am trying to achieve a nesting of three levels because I need to group some data.</p>
<p>I have a list of matches, and each of these matches belong to particular rounds. I want to regroup these matches into separate nested lists for each round, except I don't want to store the whole match in these lists, but only... | 0 | 2016-10-03T09:54:10Z | 39,828,977 | <p>You can expand each match getting the required attributes from your current result using a nested <em>list comprehension</em>: </p>
<pre><code>[[[m.home_score, m.away_score] for m in matches]
for _, matches in groupby(all_matches, key=attrgetter('round'))]
</code></pre>
| 1 | 2016-10-03T09:59:30Z | [
"python",
"python-2.7"
] |
apache failed to start with no error logs | 39,828,871 | <p>this day i got an issue</p>
<p>my apache has failed to restart my django app, i dont know why.
and the worst is , it doesnt out with any error log , just blank!</p>
<p>this problem make me confuse ,need help.</p>
<blockquote>
<p>alif@alif-VirtualBox:/var/www/mywebsite/website$ service apache2 restart<br>
* R... | 0 | 2016-10-03T09:54:38Z | 39,833,672 | <p>Check to make sure nothing is listening on port 80. I'm not sure what the <code>website.settings</code> contains but it is possible that either this apache instance is trying to use the same port as another, or something else is running on port 80. (this is the default port). You can check if something might be usin... | 0 | 2016-10-03T14:10:39Z | [
"python",
"django",
"apache",
"wsgi",
"error-log"
] |
Surprising behaviour of enumerate function | 39,828,904 | <p>I wrote some Python code using the enumerate function. </p>
<pre><code>A = [2,3,5,7]
for i, x in enumerate(A):
# calculate product with each element to the right
for j, y in enumerate(A, start=i+1):
print(x*y)
</code></pre>
<p>I expected it to calculate 6 products: 2*3, 2*5, 2*7, 3*5, 3*7, 5*7</p>... | 0 | 2016-10-03T09:56:25Z | 39,829,021 | <p>The <code>start</code> parameter of <code>enumerate</code> solely influences the first value of the yielded tuple (i.e. <code>i</code> and <code>j</code>), it does not influence at which index the enumeration starts. As <a href="https://docs.python.org/3/library/functions.html#enumerate">the manual</a> puts it, <cod... | 7 | 2016-10-03T10:01:42Z | [
"python"
] |
Surprising behaviour of enumerate function | 39,828,904 | <p>I wrote some Python code using the enumerate function. </p>
<pre><code>A = [2,3,5,7]
for i, x in enumerate(A):
# calculate product with each element to the right
for j, y in enumerate(A, start=i+1):
print(x*y)
</code></pre>
<p>I expected it to calculate 6 products: 2*3, 2*5, 2*7, 3*5, 3*7, 5*7</p>... | 0 | 2016-10-03T09:56:25Z | 39,829,065 | <p>The question here is firstly what enumerate did, and secondly why you're using it. The base function of enumerate is to convert an iterable of the form <code>(a,b,c)</code> to an iterable of the form <code>((start,a), (start+1,b), (start+2,c))</code>. It adds a new column which is typically used as an index; in your... | 2 | 2016-10-03T10:04:51Z | [
"python"
] |
How to find QButton created with a loop? | 39,829,223 | <p>in maya one creates a button with:</p>
<pre><code> cmds.button('buttonname', label='click me')
</code></pre>
<p>where buttonname is the name of
the button object. At a later stage i can edit the button simply by calling:</p>
<pre><code> cmds.button('buttonname', e=1, label='click me again')
</code></pre>
<p... | 1 | 2016-10-03T10:13:42Z | 39,829,404 | <p>Assuming you already have access to their parent widget, you can find them by <code>findChild</code> method.</p>
<p>In C++ syntax, it would be something like this:</p>
<pre><code>QPushButton *button = parentWidget->findChild<QPushButton *>("button1");
</code></pre>
<p>where <code>button1</code> is the na... | 4 | 2016-10-03T10:23:41Z | [
"python",
"qt",
"button",
"pyside",
"maya"
] |
How do I perform error handling with two files? | 39,829,233 | <p>So , I am having two files , so to checks its validity I am performing <code>try</code> and <code>except</code> two times . But I don't thinks this is a good method, can you suggest a better way?</p>
<p>Here is my code:</p>
<pre><code>def form_density_dictionary(self,word_file,fp_exclude):
self.freq_dictionary=... | 0 | 2016-10-03T10:14:02Z | 39,829,443 | <p>Exceptions thrown that involve a file system path have a <code>filename</code> attribute that can be used instead of explicit attributes <code>word_file</code> and <code>fp_exclude</code> as you do. </p>
<p>This means you can wrap these IO operations in the same <code>try-except</code> and use the <code>exception_i... | 1 | 2016-10-03T10:26:06Z | [
"python",
"python-3.x",
"error-handling"
] |
How do I perform error handling with two files? | 39,829,233 | <p>So , I am having two files , so to checks its validity I am performing <code>try</code> and <code>except</code> two times . But I don't thinks this is a good method, can you suggest a better way?</p>
<p>Here is my code:</p>
<pre><code>def form_density_dictionary(self,word_file,fp_exclude):
self.freq_dictionary=... | 0 | 2016-10-03T10:14:02Z | 39,829,548 | <p>To be more 'pythonic' you could use something what is callec Counter, from collections library.</p>
<pre><code>from collections import Counter
def form_density_dictionary(self, word_file, fp_exclude):
success_msg = '*Read file succesfully : {filename}'
fail_msg = '**Could not read file: {filename}: Please... | 1 | 2016-10-03T10:32:28Z | [
"python",
"python-3.x",
"error-handling"
] |
How do I perform error handling with two files? | 39,829,233 | <p>So , I am having two files , so to checks its validity I am performing <code>try</code> and <code>except</code> two times . But I don't thinks this is a good method, can you suggest a better way?</p>
<p>Here is my code:</p>
<pre><code>def form_density_dictionary(self,word_file,fp_exclude):
self.freq_dictionary=... | 0 | 2016-10-03T10:14:02Z | 39,830,065 | <p>The first thing that jumps out is the lack of consistency and readability: in some lines you indent with 4 spaces, on others you only use two; in some places you put a space after a comma, in others you don't, in most places you don't have spaces around the assignment operator (<code>=</code>)...</p>
<p>Be consiste... | 1 | 2016-10-03T11:02:19Z | [
"python",
"python-3.x",
"error-handling"
] |
Messenger account linking authentication flow in Django | 39,829,354 | <p>How can I complete the authentication flow of the account linking in Django?</p>
<p>I send the login template to user. When the user clicks on it, she is redirect to <a href="https://example.ngork.io/authenticate" rel="nofollow">https://example.ngork.io/authenticate</a> with the parameters account_linking_token and... | 0 | 2016-10-03T10:20:12Z | 39,854,245 | <p>I resolved the issue. Details are in the question after the tag RESOLVED</p>
| 0 | 2016-10-04T13:57:16Z | [
"python",
"django",
"facebook",
"bots",
"facebook-messenger"
] |
SimpleBool, Python Package | 39,829,359 | <p>I have been trying to use SimpleBool, which uses Python Language. I downloaded the python scripts to use SimpleBool.When I tried to execute the Python file Boolmutation, I get the following error:</p>
<pre><code>%run "/home/JPJ/Priya_Ph.D/simple_bool/simplebool/SimpleBool-master /BoolMutation.py"
</code></pre>
<... | 0 | 2016-10-03T10:20:35Z | 39,858,989 | <p>In Python in general and in Canopy in particular, you cannot assume that your current directory is the same as the directory where the script that you are running is located. But without looking at this package, it seems likely that it does make such an assumption. If so, you can do so with the "Keep Directory Synce... | 0 | 2016-10-04T18:06:23Z | [
"python",
"python-2.7",
"boolean",
"enthought",
"canopy"
] |
Is it safe to remove google's "unused_argv" from forked python projects? | 39,829,431 | <p>On projects that google share on the web, they use:</p>
<p>def main(unused_argv):</p>
<p><a href="https://github.com/tensorflow/models/blob/master/im2txt/im2txt/train.py" rel="nofollow">(see example)</a>
, where <code>unused_argv</code> is never used. I couldn't find why do they do it and it annoys me to have warn... | 0 | 2016-10-03T10:25:22Z | 39,830,034 | <p>In that case it's presumably, because the tf.app.run function expects the main function to have a positional argument</p>
<p>This is the code that will call your main function: <a href="https://github.com/tensorflow/tensorflow/blob/master/tensorflow/python/platform/app.py" rel="nofollow">Source</a></p>
<pre><code>... | 1 | 2016-10-03T11:00:46Z | [
"python"
] |
cryptography AssertionError: sorry, but this version only supports 100 named groups | 39,829,473 | <p>I'm installing several python packages via <code>pip install</code> on travis, </p>
<pre><code>language: python
python:
- '2.7'
install:
- pip install -r requirements/env.txt
</code></pre>
<p>Everything worked fine, but today I started getting following error:</p>
<pre><code> Running setup.py install for cryptogr... | 13 | 2016-10-03T10:28:14Z | 39,830,224 | <p>There is a bug with PyCParser - See <a href="https://github.com/pyca/cryptography/issues/3187">https://github.com/pyca/cryptography/issues/3187</a></p>
<p>The work around is to use another version or to not use the binary distribution.</p>
<pre><code>pip install git+https://github.com/eliben/pycparser@release_v2.1... | 22 | 2016-10-03T11:11:24Z | [
"python",
"python-2.7",
"travis-ci",
"python-cryptography"
] |
Iterate over two lists, execute function and return values | 39,829,490 | <p>I am trying to iterate over two lists of the same length, and for the pair of entries per index, execute a function. The function aims to cluster the entries
according to some requirement X on the value the function returns.</p>
<p>The lists in questions are:</p>
<pre><code>e_list = [-0.619489,-0.465505, 0.124281,... | 1 | 2016-10-03T10:29:17Z | 39,833,406 | <p>This is finding connected components of a graph, which is very easy and well documented, once you revisit the problem from that view.</p>
<p>The data being in two lists is a distraction. I am going to consider the data to be zip(e_list, p_list). Consider this as a graph, which in this case has 5 nodes (but could ha... | 2 | 2016-10-03T13:56:45Z | [
"python"
] |
Using IVI-COM drivers with python via comtypes | 39,829,502 | <p>I am trying to get my IVI drivers working using comtypes. So far I have been successful in initializing the instrument thanks to <a href="http://stackoverflow.com/questions/13840997/python-instrument-drivers">Python instrument drivers</a>
more specifically Jorenko's post, as he is using the same instrument as me (I'... | 0 | 2016-10-03T10:29:51Z | 39,852,314 | <p>Answered my own question (after much trial and error)</p>
<p>For anyone interested, I had a bit of success with the following</p>
<pre><code>import comtypes
from comtypes import client
dmm = client.CreateObject('VTEXDmm.VTEXDmm')
dmm.Initialize('TCPIP::10.20.30.40::INSTR', True, True)
dmm.Configure(Function=comty... | 0 | 2016-10-04T12:25:59Z | [
"python",
"com",
"driver",
"visa"
] |
Seeking help to improve a crawler | 39,829,574 | <p>I'm a beginner with <strong>Scrapy/Python</strong>, I developed a crawler that can find <strong>expired domains</strong> and scan each on a <strong>SEO API</strong>.<br />
My crawler work fine but I pretty sure the crawler isn't 100% optimized for the job.<br/><br/>
Could it be possible to have some tricks to improv... | -1 | 2016-10-03T10:33:17Z | 39,829,861 | <p>The biggest issue in your code is urllib requests that are blocking whole async scrapy routine. You can easily replace those with scrapy request chain by yielding a <code>scrapy.Request</code>.</p>
<p>Something like this:</p>
<pre><code>def errback_httpbin(self, failure):
if not failure.check(DNSLookupError):
... | 1 | 2016-10-03T10:50:43Z | [
"python",
"python-2.7",
"web-scraping",
"scrapy"
] |
Video Stitching from multiple cameras | 39,829,582 | <p>I wanted to stitch a video from multiple cameras. While stitching I wanted to switch view from one camera to another. Is it possible to do it in OpenCv? </p>
<p>For example I have 3 video paths(videos having same duration) and wanted to create a single video summary by switching between the videos. To start with I ... | 1 | 2016-10-03T10:33:30Z | 39,831,576 | <p>yes you can do this by first finding the fps of your videos using</p>
<pre><code>int fps = (int) cvGetCaptureProperty(capture1, CV_CAP_PROP_FPS);
</code></pre>
<p>now calculate the number of frames you want to capture, </p>
<pre><code>numberOfFrames = fps*time
</code></pre>
<p>this time is the time for which you... | 0 | 2016-10-03T12:23:43Z | [
"python",
"opencv",
"video",
"video-capture"
] |
Video Stitching from multiple cameras | 39,829,582 | <p>I wanted to stitch a video from multiple cameras. While stitching I wanted to switch view from one camera to another. Is it possible to do it in OpenCv? </p>
<p>For example I have 3 video paths(videos having same duration) and wanted to create a single video summary by switching between the videos. To start with I ... | 1 | 2016-10-03T10:33:30Z | 39,831,855 | <p>Since you have written while stitching so I assume you want to make a sort of gui and see the results of switching at different time, otherwise Garvita Tiwari answer's seems to be correct.</p>
<p>One way of doing is to use createTrackbar of a variable(say) vid_no with its value ranging from 0 to num_Cams - 1.Now u ... | 0 | 2016-10-03T12:36:47Z | [
"python",
"opencv",
"video",
"video-capture"
] |
Verbose_name and helptext lost when using django autocomplete light | 39,829,584 | <p>I have the below model that includes a field called boxnumber
When i don't use DAL, the verbose_name and help_text appear and get translated when needed.</p>
<p>But when adding DAL (see modelform below), it only shows the name, not translated and with no help text.</p>
<p>Any suggestions?</p>
<p>control/models.py... | 0 | 2016-10-03T10:33:53Z | 40,127,486 | <p>It's not specific to dal. You're re-instanciating a new widget class, so you need to copy help_text and verbose_name yourself.</p>
| 0 | 2016-10-19T09:32:17Z | [
"python",
"django",
"django-autocomplete-light"
] |
How to call from function to another function | 39,829,660 | <p>I am making a minesweeper game within python with pygame.</p>
<pre><code>import pygame, math, sys
def bomb_check():
if check in BOMBS:
print("You hit a bomb!")
sys.exit
def handle_mouse(mousepos):
x, y = mousepos
x, y = math.ceil(x / 40), math.ceil(y / 40)
check = print("("+"{0}, {1}".form... | -1 | 2016-10-03T10:39:31Z | 39,829,738 | <p>Just use it as an argument:</p>
<pre><code>import pygame, math, sys
def bomb_check(check):
if check in BOMBS:
print("You hit a bomb!")
sys.exit
def handle_mouse(mousepos):
x, y = mousepos
x, y = math.ceil(x / 40), math.ceil(y / 40)
check = x, y
print(check)
bomb_check(check)
</code... | 0 | 2016-10-03T10:44:10Z | [
"python"
] |
Attain a tally of a column of a 2d array | 39,829,712 | <p>I have a 2d array data. And would like to attain a tally every time the jth iteration is a 1.
Where i = rows and j = columns.
How do I go about doing this without a for loop? </p>
<p>Conceptually something like this:</p>
<pre><code>for r in range(row):
if(data[r][j] == 1)
amount += 1
</code></pre>
| 1 | 2016-10-03T10:42:24Z | 39,830,113 | <p>I interprete this question such that you want to iterate over both, rows and columns, and add 1 to <code>amount</code> for each entry in data that is 1. This can be done without looping as follows.</p>
<pre><code>import numpy as np
data = np.ones((6,8))
amount = data[data == 1].sum()
print amount
</code></pre>
<p... | 0 | 2016-10-03T11:04:53Z | [
"python",
"arrays",
"numpy",
"multidimensional-array",
"scipy"
] |
Attain a tally of a column of a 2d array | 39,829,712 | <p>I have a 2d array data. And would like to attain a tally every time the jth iteration is a 1.
Where i = rows and j = columns.
How do I go about doing this without a for loop? </p>
<p>Conceptually something like this:</p>
<pre><code>for r in range(row):
if(data[r][j] == 1)
amount += 1
</code></pre>
| 1 | 2016-10-03T10:42:24Z | 39,830,251 | <p>You can do as follow:</p>
<pre><code>import numpy as np
a = np.array([[0, 1], [1, 1]])
j = 1
np.sum(a[:, j] == 1)
</code></pre>
<p>will give you 2 as a result
, while <code>np.sum(a[:, 0] == 1)</code> will give 1</p>
<p>If as mentioned in your comment you want to use a condition on multiple arrays, you can use <c... | 1 | 2016-10-03T11:12:51Z | [
"python",
"arrays",
"numpy",
"multidimensional-array",
"scipy"
] |
How to get rid of extra + sign in print statement, Python | 39,829,827 | <pre><code>print('2**', n, ' + ', sep='', end='')
</code></pre>
<p>Hi the print statement above is in a loop so the output ends up being </p>
<pre><code>2 ** 10 + 2 ** 7 + 2 ** 6 + 2 ** 4 + 2 ** 1 +
</code></pre>
<p>I need to get rid of the last plus in the statement but have no idea how to go about doing so.</p>
| 1 | 2016-10-03T10:48:37Z | 39,829,901 | <p>You can store the string to be printed in a variable in the loop and then after the loop ends, remove the extra plus by slicing using <code>to_print[:len(to_print)-1]</code>
And then print to_print.
Here to_print is the text you need to store in the loop Instead of printing it and then print it at the end after slic... | 0 | 2016-10-03T10:53:05Z | [
"python",
"python-3.x",
"printing"
] |
How to get rid of extra + sign in print statement, Python | 39,829,827 | <pre><code>print('2**', n, ' + ', sep='', end='')
</code></pre>
<p>Hi the print statement above is in a loop so the output ends up being </p>
<pre><code>2 ** 10 + 2 ** 7 + 2 ** 6 + 2 ** 4 + 2 ** 1 +
</code></pre>
<p>I need to get rid of the last plus in the statement but have no idea how to go about doing so.</p>
| 1 | 2016-10-03T10:48:37Z | 39,829,904 | <p>Either check if you're at the last element and use a different print statement (without the final <code>'+'</code>), or construct your output in a list first and join the list before printing.</p>
<pre><code>output = []
some_loop:
output.append('2**%i' % n)
print(' + '.join(output))
</code></pre>
| 0 | 2016-10-03T10:53:14Z | [
"python",
"python-3.x",
"printing"
] |
How to get rid of extra + sign in print statement, Python | 39,829,827 | <pre><code>print('2**', n, ' + ', sep='', end='')
</code></pre>
<p>Hi the print statement above is in a loop so the output ends up being </p>
<pre><code>2 ** 10 + 2 ** 7 + 2 ** 6 + 2 ** 4 + 2 ** 1 +
</code></pre>
<p>I need to get rid of the last plus in the statement but have no idea how to go about doing so.</p>
| 1 | 2016-10-03T10:48:37Z | 39,829,920 | <p>It is pretty 'common' 'problem', and it is often solved by using ''.join method. I assume that you've a list of integers, so all you need to do is:</p>
<pre><code>powers = [10, 7, 6, 4]
print(' + '.join(['2 ** {n}'.format(n= n) for n in powers]))
</code></pre>
| 1 | 2016-10-03T10:54:03Z | [
"python",
"python-3.x",
"printing"
] |
How to get rid of extra + sign in print statement, Python | 39,829,827 | <pre><code>print('2**', n, ' + ', sep='', end='')
</code></pre>
<p>Hi the print statement above is in a loop so the output ends up being </p>
<pre><code>2 ** 10 + 2 ** 7 + 2 ** 6 + 2 ** 4 + 2 ** 1 +
</code></pre>
<p>I need to get rid of the last plus in the statement but have no idea how to go about doing so.</p>
| 1 | 2016-10-03T10:48:37Z | 39,829,972 | <p>If you separate the exponents, as you have probably done, you can use <a href="https://docs.python.org/3/library/stdtypes.html#str.join" rel="nofollow"><code>str.join()</code></a>:</p>
<pre><code>>>> exponents = (10, 7, 6, 4, 1)
>>> print(' + '.join('2**{}'.format(n) for n in exponents))
2**10 + 2... | 2 | 2016-10-03T10:57:14Z | [
"python",
"python-3.x",
"printing"
] |
How to get rid of extra + sign in print statement, Python | 39,829,827 | <pre><code>print('2**', n, ' + ', sep='', end='')
</code></pre>
<p>Hi the print statement above is in a loop so the output ends up being </p>
<pre><code>2 ** 10 + 2 ** 7 + 2 ** 6 + 2 ** 4 + 2 ** 1 +
</code></pre>
<p>I need to get rid of the last plus in the statement but have no idea how to go about doing so.</p>
| 1 | 2016-10-03T10:48:37Z | 39,829,991 | <p>You could do the following, and adapting it to your loop length</p>
<pre><code>n = 1
for i in range(0,10):
if i < 9:
print('2**', n, ' + ', sep='', end = '')
else:
print('2**', n, sep='', end = '')
</code></pre>
| 0 | 2016-10-03T10:58:05Z | [
"python",
"python-3.x",
"printing"
] |
How to get rid of extra + sign in print statement, Python | 39,829,827 | <pre><code>print('2**', n, ' + ', sep='', end='')
</code></pre>
<p>Hi the print statement above is in a loop so the output ends up being </p>
<pre><code>2 ** 10 + 2 ** 7 + 2 ** 6 + 2 ** 4 + 2 ** 1 +
</code></pre>
<p>I need to get rid of the last plus in the statement but have no idea how to go about doing so.</p>
| 1 | 2016-10-03T10:48:37Z | 39,830,120 | <p><a href="http://www.tutorialspoint.com/python/string_join.htm" rel="nofollow">join()</a> helps a lot in this case:</p>
<pre><code>exponents = [10, 7, 6, 4, 1]
out = []
for n in exponents:
out.append('2 ** %d' % n)
print ' + '.join(out)
</code></pre>
| 0 | 2016-10-03T11:05:04Z | [
"python",
"python-3.x",
"printing"
] |
Python - unittests: compare some objects using their attributes instead if they are really the same object? | 39,829,946 | <p>I have method that sets data into class attribute.</p>
<p>So let say I run:</p>
<pre><code>self._set_data(some_data)
print self._data
</code></pre>
<p>It prints me this information:</p>
<pre><code>{'c2': {
'column': 1,
'style': <xlwt.Style.XFStyle object at 0x7f4668a18dd0>,
'value': u'Argenti... | 0 | 2016-10-03T10:55:31Z | 39,830,190 | <p>In your tests you can create a mock style object which is initialized with the expected values, then compare it's <code>__dict__</code> attribute to the <code>__dict__</code> attribute of the tested style object.</p>
<pre><code>if mock_style.__dict__ == tested_style.__dict__ :
print('The styles are set correctl... | 0 | 2016-10-03T11:09:30Z | [
"python",
"python-2.7",
"object",
"python-unittest",
"xlwt"
] |
set value from filepicker to dialog that called it | 39,830,040 | <p>i have a action button that calls an dialog that i've made:</p>
<pre><code>class MainPanelManager(QtWidgets.QMainWindow, Ui_MainWindow):
def __init__(self):
super().__init__()
self.setupUi(self)
self.actionLocation.triggered.connect(self.editsettings)
def editsettings(self):
... | 0 | 2016-10-03T11:01:05Z | 39,830,169 | <p>A simple solution would be declaring the <code>dialog</code> variable a property of <code>self</code> object. So, you can then use it class-widely in all methods.</p>
<pre><code>class MainPanelManager(QtWidgets.QMainWindow, Ui_MainWindow):
def __init__(self):
super().__init__()
self.setupUi(self... | 0 | 2016-10-03T11:08:01Z | [
"python",
"qt",
"python-3.x",
"pyqt",
"qt-creator"
] |
cPickle: UnpicklingError: invalid load key, 'A' | 39,830,198 | <p>I have a pickle file which upon unpickling throws an <code>UnpicklingError: invalid load key, 'A'.</code> exception. The exception gets thrown regardless of whether I try to analyse it on the Ubuntu 14.04 machine on which the file was generated or on my Windows machine. It contains 26 data points and the exception g... | 1 | 2016-10-03T11:09:52Z | 39,835,073 | <p>When storing multiple objects (by repeated <code>dump</code>, not from containers) Pickle will store objects sequentially in pickle files, so if an object is broken it can be removed without corrupting the others.</p>
<p>In principle, the pickle format is pseudo-documented in <code>pickle.py</code>. For most cases,... | 1 | 2016-10-03T15:23:04Z | [
"python",
"python-2.7",
"pickle"
] |
Celery workers wait | 39,830,235 | <p>I am writing an application with using Celery framework. Some of my tasks are pretty heavyweight and can execute for a long time.</p>
<p>I've noticed that when I run 5-6 workers and then put 10-20 tasks they may be distributed by workers randomly and sometimes if one get free of tasks, it does not start remaining o... | 6 | 2016-10-03T11:12:07Z | 39,830,304 | <p>It is not a bug or a feature (more likely a feature), it is just misconfiguration. </p>
<p>As the <a href="http://docs.celeryproject.org/en/latest/userguide/optimizing.html#prefetch-limits">documentation</a> says, the worker can reserve some tasks for himself to hasten the processing messages. But this makes sense ... | 5 | 2016-10-03T11:16:01Z | [
"python",
"celery"
] |
How to perform two functions in a single for loop in python | 39,830,241 | <p>I wanna split a sentence and also replace quotes from it. I did:</p>
<pre><code>sentences = read_data.split('\n')
sentences_no_quotes = [sentence.replace('"', '') for sentence in sentences]
splited_sentences = [sentence.split(',') for sentence in sentences_no_quotes]
</code></pre>
<p>How can I do it in a single ... | -3 | 2016-10-03T11:12:29Z | 39,831,171 | <p>Just do it, it's straightforward.</p>
<pre><code>splited_sentences = [sentence.split(',') for sentence in
[sentence.replace('"', '') for sentence in
read_data.split('\n')]]
</code></pre>
<p>Probably you'd better use generators instead of lists but that's beyond your quest... | 1 | 2016-10-03T12:04:34Z | [
"python",
"python-3.x"
] |
Ubuntu Server Python Pandas âSVD did not convergeâ | 39,830,257 | <p>I have the following code.</p>
<pre><code>#!/usr/bin/python
# -*- coding: utf-8 -*-
# cadf.py
import datetime
import MySQLdb as mdb
import numpy as np
import matplotlib.pyplot as plt
import matplotlib.dates as mdates
import pandas as pd
import pprint
import statsmodels.tsa.stattools as ts
from pandas.stats.api imp... | 1 | 2016-10-03T11:13:10Z | 39,870,212 | <p>After some testing with other data, my first thought was the quantity of rows being tested. This was not the case. </p>
<p>The problem was a missing data point which can be seen from the snipping above. Row '2006-12-31 22:00:00' was missing from the 'EUR-USD' sample causing the calculation to NaN, the calculation c... | -1 | 2016-10-05T09:27:03Z | [
"python",
"ubuntu",
"pandas",
"quantitative-finance"
] |
Parse args to json elements in python | 39,830,277 | <p>i have a data structure that i want to fill with cmd args</p>
<pre><code>params = {
...
...
"blockX": "{\"nameX\":["\Arg1\","\Arg2\",\"Arg3\"........"\ArgX\"]}",
...
...
}
</code></pre>
<p>Then i run a post request with the params as data:</p>
<pre><code>r = requests.post("https://url", data=params)
</c... | 0 | 2016-10-03T11:14:30Z | 39,830,424 | <p>If you have your arguments in <code>args</code> list, then you can try this:</p>
<pre><code>import json
params['blockX'] = json.dumps({'nameX': args})
</code></pre>
| 0 | 2016-10-03T11:22:33Z | [
"python",
"json",
"args"
] |
Parse args to json elements in python | 39,830,277 | <p>i have a data structure that i want to fill with cmd args</p>
<pre><code>params = {
...
...
"blockX": "{\"nameX\":["\Arg1\","\Arg2\",\"Arg3\"........"\ArgX\"]}",
...
...
}
</code></pre>
<p>Then i run a post request with the params as data:</p>
<pre><code>r = requests.post("https://url", data=params)
</c... | 0 | 2016-10-03T11:14:30Z | 39,834,055 | <p>Your example suggest you want to <code>join</code> the arguments. You can convert any list into a single string by merging with a separator:</p>
<pre><code>args = ['foo', 'bar', 'hold the mustard']
print('", "'.join(args))
</code></pre>
<p>So to get your list <code>'"Arg1", "Arg2"'</code> etc, join them with the '... | 0 | 2016-10-03T14:29:16Z | [
"python",
"json",
"args"
] |
For Loop doesn't spit out needed results | 39,830,446 | <p>I got this piece of code to spit out the unique "area number" in the URL. However, the loop doesn't work. It spits out the same number, please see below:</p>
<pre><code>import urllib3
from bs4 import BeautifulSoup
http = urllib3.PoolManager()
url = open('MS Type 1 URL.txt',encoding='utf-8-sig')
links = []
for li... | 0 | 2016-10-03T11:23:41Z | 39,830,592 | <p>There's a typo in your code. You iterate over <code>links</code> list and bind its elements to <code>x</code> variable, but print a slice of <code>link</code> variable, so you get the same string printed on each loop iteration. So you can change <code>print(link[j:g])</code> to <code>print(x[j:g])</code>, but it's b... | 1 | 2016-10-03T11:32:03Z | [
"python",
"python-3.x",
"loops",
"beautifulsoup",
"urllib3"
] |
For Loop doesn't spit out needed results | 39,830,446 | <p>I got this piece of code to spit out the unique "area number" in the URL. However, the loop doesn't work. It spits out the same number, please see below:</p>
<pre><code>import urllib3
from bs4 import BeautifulSoup
http = urllib3.PoolManager()
url = open('MS Type 1 URL.txt',encoding='utf-8-sig')
links = []
for li... | 0 | 2016-10-03T11:23:41Z | 39,830,862 | <blockquote>
<p>You need to change: </p>
</blockquote>
<pre><code>print(link[j:g]) to print(x[j:g])
</code></pre>
| 0 | 2016-10-03T11:47:21Z | [
"python",
"python-3.x",
"loops",
"beautifulsoup",
"urllib3"
] |
how to return data from python to php and display it on php page | 39,830,522 | <p>My python code gets data from php it takes value in text_content variable and then execute its script. But i dont understand to how to return back the results to php. help me please.</p>
<pre><code><body>
<?php
// define variables and set to empty values
$text_content="";
$hello="";
if ($_SERVER["REQUE... | 0 | 2016-10-03T11:28:22Z | 39,830,821 | <p>I think you have got the data, but you're tried to print it as a string, and not an array. Try:</p>
<pre><code>$command="\Users\jonii\AppData\Local\Programs\Python\Python35\python splitter.py $hello ";
exec($command , $out,$ret );
//echo $out;
/*Loop through each line of data returned*/
foreach ($out as $line){
... | 0 | 2016-10-03T11:44:52Z | [
"php",
"python",
"nltk"
] |
How to rebuild project after SWIG files changed? | 39,830,598 | <p>Given the below makefile:</p>
<pre><code>TARGET = _example.pyd
OFILES = example.obj example_wrap.obj
HFILES =
CC = cl
CXX = cl
LINK = link
CPPFLAGS = -DNDEBUG -DUNICODE -DWIN32 -I. -Id:\virtual_envs\py351\include
CFLAGS = -nologo -Zm200 -Zc:wchar_t- -FS -Zc:strictStrings -O2 -MD -W3 -w44456 -w44457 -w44458
CXXFLAG... | 4 | 2016-10-03T11:32:23Z | 39,876,573 | <p>I have solved this using CMake and this translates directly to using <code>autoconf</code> and <code>automake</code> and thereby makefiles.</p>
<p>The idea is to introduce the following variable</p>
<pre><code>DEPENDENCIES = `swig -M -python -c++ -I. example.i | sed 's/\//g'`
</code></pre>
<p>and make your target... | 1 | 2016-10-05T14:22:15Z | [
"python",
"c++",
"makefile",
"visual-studio-2015",
"swig"
] |
How to rebuild project after SWIG files changed? | 39,830,598 | <p>Given the below makefile:</p>
<pre><code>TARGET = _example.pyd
OFILES = example.obj example_wrap.obj
HFILES =
CC = cl
CXX = cl
LINK = link
CPPFLAGS = -DNDEBUG -DUNICODE -DWIN32 -I. -Id:\virtual_envs\py351\include
CFLAGS = -nologo -Zm200 -Zc:wchar_t- -FS -Zc:strictStrings -O2 -MD -W3 -w44456 -w44457 -w44458
CXXFLAG... | 4 | 2016-10-03T11:32:23Z | 39,877,121 | <p>Producing any kind of target from any kind of source, that's the essence of a makefile:</p>
<pre><code>.i.cpp:
swig -python -c++ $<
</code></pre>
<p>This elegance will, however, break with <code>nmake</code> (<a href="https://www.gnu.org/software/make/manual/html_node/Chained-Rules.html" rel="nofollow">as o... | 3 | 2016-10-05T14:44:42Z | [
"python",
"c++",
"makefile",
"visual-studio-2015",
"swig"
] |
How to apply multiprocessing technique in python for-loop? | 39,830,676 | <p>I have a long list of user(about 200,000) and a corresponding data frame <code>df</code> with their attributes. Now I'd like to write a for loop to measure pair-wise similarity of the users. The code is following:</p>
<pre><code>df2record = pd.DataFrame(columns=['u1', 'u2', 'sim'])
for u1 in reversed(user_list):
... | 1 | 2016-10-03T11:37:31Z | 39,831,594 | <p>1st of all i would not recommend to use multiprocessing on such a small data. and especially when you are working with data frame. because data frame has it's own lot functionality which can help you in many ways. you just need to write proper loop.</p>
<p>Use: multiprocessing.Pool</p>
<p>just pass list of user as... | 0 | 2016-10-03T12:24:28Z | [
"python",
"multiprocessing"
] |
How to apply multiprocessing technique in python for-loop? | 39,830,676 | <p>I have a long list of user(about 200,000) and a corresponding data frame <code>df</code> with their attributes. Now I'd like to write a for loop to measure pair-wise similarity of the users. The code is following:</p>
<pre><code>df2record = pd.DataFrame(columns=['u1', 'u2', 'sim'])
for u1 in reversed(user_list):
... | 1 | 2016-10-03T11:37:31Z | 39,831,601 | <p>You can use <a href="https://docs.python.org/3.5/library/multiprocessing.html#multiprocessing.pool.Pool" rel="nofollow">multiprocessing.Pool</a> which provides method <code>map</code> that maps pool of processes over given iterable. Here's some example code:</p>
<pre><code>def pairGen():
for u1 in reversed(user... | 1 | 2016-10-03T12:24:56Z | [
"python",
"multiprocessing"
] |
Python: NoneType object has no attribute __getitem__. But its not nonetype | 39,830,681 | <p>So I have this piece of code:</p>
<pre><code> key = val_cfg['src_model']
print "key: ", key
print "objects dict: ", objects
print "before Nonetype"
print "accessing objects dict: ", objects[key] # line 122
print "after"
method = self._handle_object(
val_cfg, objects[val_cfg['src_... | 1 | 2016-10-03T11:37:44Z | 39,831,994 | <p>Well I made stupid mistake, though that error got me confused, because of traceback. So I was looking in a wrong direction.</p>
<p>The problem was in another method, that is used to update objects dictionary. Its purpose is to update value for specific key, if some current iter item (from iteration) needs to be ass... | 1 | 2016-10-03T12:45:04Z | [
"python",
"python-2.7",
"dictionary",
"nonetype"
] |
Python: Reading text file and splitting into different lists | 39,830,781 | <p>I have a text file which contains two lines of text. Each line contains student names separated by a comma.</p>
<p>I'm trying to write a program which will read each line and convert it to a list. My solution seems to make two lists but I don't know how to differentiate between the two as both lists are called "fil... | 0 | 2016-10-03T11:42:36Z | 39,830,871 | <p>You will have to create a multi-dimensional array like this:</p>
<pre><code>text = open("file.txt")
lines = text.split("\n")
entries = []
for line in lines:
entries.append(line.split(","))
</code></pre>
<p>If your file is</p>
<pre><code>John,Doe
John,Smith
</code></pre>
<p>then entries will be:</p>
<pre><c... | 2 | 2016-10-03T11:47:53Z | [
"python",
"list",
"file",
"text"
] |
Python: Reading text file and splitting into different lists | 39,830,781 | <p>I have a text file which contains two lines of text. Each line contains student names separated by a comma.</p>
<p>I'm trying to write a program which will read each line and convert it to a list. My solution seems to make two lists but I don't know how to differentiate between the two as both lists are called "fil... | 0 | 2016-10-03T11:42:36Z | 39,830,873 | <p>in your code, filelist will be considered as a list of list because you append a list to it, not an element,
consider doing <code>filelist += line.strip().split(",")</code> which will concatenate the lists</p>
| 0 | 2016-10-03T11:48:04Z | [
"python",
"list",
"file",
"text"
] |
Python: Reading text file and splitting into different lists | 39,830,781 | <p>I have a text file which contains two lines of text. Each line contains student names separated by a comma.</p>
<p>I'm trying to write a program which will read each line and convert it to a list. My solution seems to make two lists but I don't know how to differentiate between the two as both lists are called "fil... | 0 | 2016-10-03T11:42:36Z | 39,831,510 | <p>two lines to done</p>
<pre><code>with open("file.txt") as f:
qlist = map(lambda x:x.strip().split(","), f.readlines())
</code></pre>
<p>or </p>
<pre><code>with open("file.txt") as f:
qlist = [i.strip().split(",") for i in f.readlines()]
</code></pre>
| 0 | 2016-10-03T12:20:21Z | [
"python",
"list",
"file",
"text"
] |
Python: Reading text file and splitting into different lists | 39,830,781 | <p>I have a text file which contains two lines of text. Each line contains student names separated by a comma.</p>
<p>I'm trying to write a program which will read each line and convert it to a list. My solution seems to make two lists but I don't know how to differentiate between the two as both lists are called "fil... | 0 | 2016-10-03T11:42:36Z | 39,901,969 | <p>If you are looking to have a list for each line, you can use a dictionary where the key is the line number and the value of the dictionary entry is the list of names for that line. Something like this</p>
<pre><code>with open('my_file.txt', 'r') as fin:
students = {k:line[:-1].split(',') for k,line in enumerate... | 0 | 2016-10-06T17:11:50Z | [
"python",
"list",
"file",
"text"
] |
Django/Python: How to get the latest value from a model queryset? | 39,830,810 | <p>I have created a model 'VehicleDetails' in which a user can fill the details of a vehicle and another model 'TripStatus' in which he can update the vehicle location. I wanted to get the latest location for which I did as in my below code. But when i running the server, it returns all the values not the latest value.... | -1 | 2016-10-03T11:44:08Z | 39,830,867 | <p>Should just have to remove the .all():</p>
<pre><code>tripstatus = TripStatus.objects.latest('statustime')
</code></pre>
<p>Or maybe:</p>
<pre><code>tripstatus = TripStatus.order_by('-statustime').first()
</code></pre>
| 0 | 2016-10-03T11:47:50Z | [
"python",
"django",
"django-models",
"django-templates",
"django-views"
] |
Change DNA sequences in fasta file using Biopython | 39,830,826 | <p>I have a file in fasta format with several DNA sequences. I want to change the content of each sequence for another smaller sequence, keeping the same sequence id.
The new sequences are in a list.</p>
<pre><code>with open("outfile.fa", "w") as f:
for seq_record in SeqIO.parse("ma-all-mito.fa", "fasta"):
... | 1 | 2016-10-03T11:45:04Z | 39,851,540 | <p>I think that this <em>might</em> work:</p>
<pre><code>records = SeqIO.parse("ma-all-mito.fa", "fasta")
with open("outfile.fa", "w") as f:
for r, s in zip(records,newSequences_ok):
f.write(r.seq.seq.split('\n')[0] + '\n')
f.write(s + '\n')
</code></pre>
<p>If not (and even if it does) -- you rea... | 1 | 2016-10-04T11:49:51Z | [
"python",
"biopython",
"fasta"
] |
Use LeaveOneGroupOut strategy on cross_val_score in sklearn | 39,830,848 | <p>I'd like to use <code>LeaveOneGroupOut</code> strategy to evaluate my model. According to <a href="http://scikit-learn.org/stable/modules/cross_validation.html#computing-cross-validated-metrics" rel="nofollow">sklearn's document</a>, <code>cross_val_score</code> seems convenient. </p>
<p>However, the following code... | 0 | 2016-10-03T11:46:31Z | 39,831,546 | <p>You do not define your <strong>groups</strong> parameter which is the group according to which you are going to split your data.</p>
<p>The error comes from <strong>cross_val_score</strong> that takes this parameter in argument : in your case it is equal to <strong>None</strong>.</p>
<p>Try to follow the example b... | 1 | 2016-10-03T12:22:21Z | [
"python",
"machine-learning",
"scikit-learn"
] |
Can I create a Google Drive folder using service account with Python? | 39,830,956 | <p>I can create a folder using account Owner but cannot share it with service account.</p>
<p>Is there a way for My Python script to create a folder using service account and then upload a file?</p>
| 0 | 2016-10-03T11:53:23Z | 39,848,117 | <p>You can create a folder and upload file, same process flow as a real user when you using a service account.</p>
<h3>BUT</h3>
<p>As stated in this <a href="http://www.riskcompletefailure.com/2015/03/understanding-service-accounts.html" rel="nofollow">blog</a>, you have to remember that:</p>
<blockquote>
<p>A ser... | 0 | 2016-10-04T08:56:52Z | [
"python",
"google-drive-sdk"
] |
combine two id into a new table? | 39,831,016 | <p>i had a task about text processing and i don't know how to combine some columns from separate tables into one table</p>
<p>so here is the case:
i have a table named <code>list</code> with <code>id_doc</code>, and <code>title</code> columns
then i create a new table named <code>term_list</code> which contains a list... | 1 | 2016-10-03T11:56:20Z | 39,832,416 | <p>You can iterate over rows in <code>term_list</code>:</p>
<pre><code>SELECT id_term, term FROM term_list
</code></pre>
<p>for each <code>term</code> make:</p>
<pre><code>SELECT id_doc FROM list WHERE titles LIKE "term"
</code></pre>
<p>and saves pairs <code>id_term</code> and <code>id_doc</code> in the table <cod... | 0 | 2016-10-03T13:06:13Z | [
"python",
"mysql",
"database",
"text-processing",
"information-retrieval"
] |
Binary to Hexadecimal converter | 39,831,062 | <p>I have written a code to try and convert a 4-bit binary number into Hexadecimal. Only thing is, when I type a value that begins with a '1' it comes up with the conversion, whereas if I type a value that starts with a '0' it doesn't work. Any help?</p>
<pre><code>print ("""Here's how the program will work. You need ... | 0 | 2016-10-03T11:59:11Z | 39,831,184 | <p>When you input an integer starting with an leading 0, python interprets it as being in base 8:</p>
<pre><code>a = 0110
print a
</code></pre>
<p>will output</p>
<pre><code>72
</code></pre>
<p>Therefore, drop the leading 0 in your input, or remove them before casting <code>int()</code> on it</p>
| 0 | 2016-10-03T12:05:17Z | [
"python",
"binary",
"hex"
] |
Binary to Hexadecimal converter | 39,831,062 | <p>I have written a code to try and convert a 4-bit binary number into Hexadecimal. Only thing is, when I type a value that begins with a '1' it comes up with the conversion, whereas if I type a value that starts with a '0' it doesn't work. Any help?</p>
<pre><code>print ("""Here's how the program will work. You need ... | 0 | 2016-10-03T11:59:11Z | 39,831,194 | <p>Instead of just coercing a string to integer, you need to pass the second parameter to <a href="https://docs.python.org/3/library/functions.html#int" rel="nofollow"><code>int</code> constructor</a> called <code>base</code>:</p>
<pre><code>BINARY = int(input('Please enter your binary number here: '), 2)
if BINARY ... | -1 | 2016-10-03T12:05:39Z | [
"python",
"binary",
"hex"
] |
Binary to Hexadecimal converter | 39,831,062 | <p>I have written a code to try and convert a 4-bit binary number into Hexadecimal. Only thing is, when I type a value that begins with a '1' it comes up with the conversion, whereas if I type a value that starts with a '0' it doesn't work. Any help?</p>
<pre><code>print ("""Here's how the program will work. You need ... | 0 | 2016-10-03T11:59:11Z | 39,831,200 | <p>replace,</p>
<pre><code>HEXADECIMAL = int(input("Please enter your binary number here: "))
</code></pre>
<p>with,</p>
<pre><code>temp = input("Please enter your binary number here: ")
HEXADECIMAL = int (temp)
</code></pre>
<p>plus remove sleep time if there is an error.</p>
| -1 | 2016-10-03T12:05:52Z | [
"python",
"binary",
"hex"
] |
Binary to Hexadecimal converter | 39,831,062 | <p>I have written a code to try and convert a 4-bit binary number into Hexadecimal. Only thing is, when I type a value that begins with a '1' it comes up with the conversion, whereas if I type a value that starts with a '0' it doesn't work. Any help?</p>
<pre><code>print ("""Here's how the program will work. You need ... | 0 | 2016-10-03T11:59:11Z | 39,831,373 | <p>You dont have to use the <code>if/else</code> statements evertime. There is a cool way you can use <code>int()</code> in python, if you using a string, <code>int()</code> function can directly convert it to any base for you.</p>
<pre><code>HEXADECIMAL = str(input())
base = 16 # for Hex and 2 for binary
msg = "Your... | 1 | 2016-10-03T12:13:04Z | [
"python",
"binary",
"hex"
] |
Python: write list to csv, transposing the first row into a column | 39,831,083 | <p>Using python, I have data stored in a list:</p>
<pre><code>a = [['a', 'b', 'c'], [1, 2, 3, 4], [5, 6, 7, 8], [9, 10, 11, 12]]
</code></pre>
<p>I want to write this list to a csv that looks like the following:</p>
<pre><code>a, 1, 2, 3, 4
b, 5, 6, 7, 8
c, 9, 10, 11, 12
</code></pre>
<p>This is the code I came up ... | 2 | 2016-10-03T12:00:37Z | 39,831,300 | <p>use pandas library for playing with dataframe and writing to csv easily. It will be quit easy.</p>
| -2 | 2016-10-03T12:10:17Z | [
"python",
"csv",
"transpose"
] |
Python: write list to csv, transposing the first row into a column | 39,831,083 | <p>Using python, I have data stored in a list:</p>
<pre><code>a = [['a', 'b', 'c'], [1, 2, 3, 4], [5, 6, 7, 8], [9, 10, 11, 12]]
</code></pre>
<p>I want to write this list to a csv that looks like the following:</p>
<pre><code>a, 1, 2, 3, 4
b, 5, 6, 7, 8
c, 9, 10, 11, 12
</code></pre>
<p>This is the code I came up ... | 2 | 2016-10-03T12:00:37Z | 39,831,324 | <p>Maybe something like:</p>
<pre><code>a = [['a', 'b', 'c'], [1, 2, 3, 4], [5, 6, 7, 8], [9, 10, 11, 12]]
for header, data in zip(a[0], a[1:]):
result = "{header}, {data}".format(header= header,
data= ', '.join((str(n) for n in data)))
print(result)
a, 1, 2, 3, 4
b, 5, ... | 0 | 2016-10-03T12:10:58Z | [
"python",
"csv",
"transpose"
] |
Python: write list to csv, transposing the first row into a column | 39,831,083 | <p>Using python, I have data stored in a list:</p>
<pre><code>a = [['a', 'b', 'c'], [1, 2, 3, 4], [5, 6, 7, 8], [9, 10, 11, 12]]
</code></pre>
<p>I want to write this list to a csv that looks like the following:</p>
<pre><code>a, 1, 2, 3, 4
b, 5, 6, 7, 8
c, 9, 10, 11, 12
</code></pre>
<p>This is the code I came up ... | 2 | 2016-10-03T12:00:37Z | 39,832,101 | <p>You just need to pull the first <em>sublist</em> and <em>zip</em> with the remainder then use <em>writerows</em> after combining into a single list:</p>
<pre><code>a = [['a', 'b', 'c'], [1, 2, 3, 4], [5, 6, 7, 8], [9, 10, 11, 12]]
import csv
with open('test.csv', 'w') as test_file:
file_writer = csv.writer(tes... | 0 | 2016-10-03T12:50:08Z | [
"python",
"csv",
"transpose"
] |
How do I avoid cycles across two columns within a DataFrame to render a Sankey diagram with Google Charts? | 39,831,103 | <p>I have a DataFrame with source and destination IPs, and bytes,</p>
<pre><code>[ 1.2.3.4, 8.8.8.8, 123456 ]
...
[ 8.8.8.8, 1.2.3.4, 1234 ]
</code></pre>
<p>My problem is that I am using this DataFrame for a <a href="https://developers.google.com/chart/interactive/docs/gallery/sankey" rel="nofollow">JS visualization... | 2 | 2016-10-03T12:01:40Z | 39,831,925 | <p>Without having any extra information would something like this be sufficient? :</p>
<pre><code>for index in range(df1):
if df1[a] == df2[b]:
if df1[b] == df2[a]:
df1.drop(df1.index[index])
pass
</code></pre>
| 1 | 2016-10-03T12:41:14Z | [
"python",
"pandas",
"google-visualization"
] |
Opening non-utf-8 csv file Python 3 | 39,831,197 | <p>I have a csv file that is not <code>utf-8</code> encoded. And it seems impossible to open it in Python 3. I've tried all kinds of <code>.encode()</code> <code>Windows-1252</code>, <code>ISO-8859-1</code>, <code>latin-1</code> â every time I get</p>
<pre><code>UnicodeDecodeError: 'utf-8' codec can't decode byte 0x... | 1 | 2016-10-03T12:05:45Z | 39,831,317 | <p>Simply specify encoding when <strong>opening</strong> the file:</p>
<pre><code>with open("xxx.csv", encoding="latin-1") as fd:
rd = csv.reader(fd)
...
</code></pre>
<p>or with your own code:</p>
<pre><code>csv.reader(open('myFile.csv', 'r', encoding='latin1'), delimiter = ';')
</code></pre>
| 3 | 2016-10-03T12:10:51Z | [
"python",
"csv",
"utf-8"
] |
How to decode a numpy array of dtype=numpy.string_? | 39,831,230 | <p>I need to decode, with Python 3, a string that was encoded the following way:</p>
<pre><code>>>> s = numpy.asarray(numpy.string_("hello\nworld"))
>>> s
array(b'hello\nworld',
dtype='|S11')
</code></pre>
<p>I tried:</p>
<pre><code>>>> str(s)
"b'hello\\nworld'"
>>> s.deco... | 2 | 2016-10-03T12:06:49Z | 39,831,375 | <p>If my understanding is correct, you can do this with <code>astype</code> which, if <code>copy = False</code> will return the array with the contents in the corresponding type:</p>
<pre><code>>>> s = numpy.asarray(numpy.string_("hello\nworld"))
>>> r = s.astype(str, copy=False)
>>> r
arra... | 1 | 2016-10-03T12:13:13Z | [
"python",
"string",
"python-3.x",
"numpy"
] |
How to decode a numpy array of dtype=numpy.string_? | 39,831,230 | <p>I need to decode, with Python 3, a string that was encoded the following way:</p>
<pre><code>>>> s = numpy.asarray(numpy.string_("hello\nworld"))
>>> s
array(b'hello\nworld',
dtype='|S11')
</code></pre>
<p>I tried:</p>
<pre><code>>>> str(s)
"b'hello\\nworld'"
>>> s.deco... | 2 | 2016-10-03T12:06:49Z | 39,831,542 | <p>In Python 3, there are two types that represent sequences of characters: <code>bytes</code> and <code>str</code> (contain Unicode characters). When you use <code>string_</code> as your type, numpy will return <code>bytes</code>. If you want the regular <code>str</code> you should use <code>unicode_</code> type in... | 0 | 2016-10-03T12:22:08Z | [
"python",
"string",
"python-3.x",
"numpy"
] |
How to decode a numpy array of dtype=numpy.string_? | 39,831,230 | <p>I need to decode, with Python 3, a string that was encoded the following way:</p>
<pre><code>>>> s = numpy.asarray(numpy.string_("hello\nworld"))
>>> s
array(b'hello\nworld',
dtype='|S11')
</code></pre>
<p>I tried:</p>
<pre><code>>>> str(s)
"b'hello\\nworld'"
>>> s.deco... | 2 | 2016-10-03T12:06:49Z | 39,836,043 | <p>Another option is the <code>np.char</code> collection of string operations.</p>
<pre><code>In [255]: np.char.decode(s)
Out[255]:
array('hello\nworld',
dtype='<U11')
</code></pre>
<p>It accepts the <code>encoding</code> keyword if needed. But <code>.astype</code> is probably better if you don't need thi... | 1 | 2016-10-03T16:18:01Z | [
"python",
"string",
"python-3.x",
"numpy"
] |
I'm confused by pip installations | 39,831,263 | <p>I have recently begun having troubles using pip to install python packages. I have always used pip but never really understood how it actually works, my experience with it is basically limited to "pip install pkg". </p>
<p>Recently when trying to install openCV on my machine, I followed a few guides that involved c... | 0 | 2016-10-03T12:08:32Z | 39,847,573 | <p>Because you have 2 versions of python installed, the best solution is to install and use <a href="http://%20https://pypi.python.org/pypi/virtualenv" rel="nofollow" title="virtualenv">virtualenv</a></p>
<p>A Virtual Environment is a tool to keep all dependencies required by different projects and python versions in ... | 0 | 2016-10-04T08:28:27Z | [
"python",
"terminal",
"pip"
] |
Multi-variable for loop with a tuple and a array | 39,831,267 | <pre><code>Cols = [(10,11),(8,9),(6,7),(4,5),(2,3),(0,1)]
Index = [1,2,3,4,5,6]
Temp = ['RT','85C','125C','175C','220C','260C']
for i,c,t in Index, Cols, Temp:
print(i,c,t)
</code></pre>
<p>I wish to have i as a tuple, c as an integer and t as a string. When i try the above I keep getting a: </p>
<p><strong>Val... | 0 | 2016-10-03T12:08:40Z | 39,831,310 | <p>You need to use the <a href="https://docs.python.org/3/library/functions.html#zip" rel="nofollow"><code>zip</code></a> function to iterate through your lists element-wise</p>
<pre><code>for i,c,t in zip(Index, Cols, Temp):
print(i,c,t)
</code></pre>
<p>Output</p>
<pre><code>1 (10, 11) RT
2 (8, 9) 85C
3 (6, 7)... | 3 | 2016-10-03T12:10:33Z | [
"python",
"python-3.x",
"jupyter-notebook"
] |
Multi-variable for loop with a tuple and a array | 39,831,267 | <pre><code>Cols = [(10,11),(8,9),(6,7),(4,5),(2,3),(0,1)]
Index = [1,2,3,4,5,6]
Temp = ['RT','85C','125C','175C','220C','260C']
for i,c,t in Index, Cols, Temp:
print(i,c,t)
</code></pre>
<p>I wish to have i as a tuple, c as an integer and t as a string. When i try the above I keep getting a: </p>
<p><strong>Val... | 0 | 2016-10-03T12:08:40Z | 39,831,331 | <p>All you need is a <code>zip()</code></p>
<pre><code>Cols = [(10,11),(8,9),(6,7),(4,5),(2,3),(0,1)]
Index = [1,2,3,4,5,6]
Temp = ['RT','85C','125C','175C','220C','260C']
for i,c,t in zip(Index, Cols, Temp):
print(i,c,t)
</code></pre>
| 2 | 2016-10-03T12:11:19Z | [
"python",
"python-3.x",
"jupyter-notebook"
] |
Multi-variable for loop with a tuple and a array | 39,831,267 | <pre><code>Cols = [(10,11),(8,9),(6,7),(4,5),(2,3),(0,1)]
Index = [1,2,3,4,5,6]
Temp = ['RT','85C','125C','175C','220C','260C']
for i,c,t in Index, Cols, Temp:
print(i,c,t)
</code></pre>
<p>I wish to have i as a tuple, c as an integer and t as a string. When i try the above I keep getting a: </p>
<p><strong>Val... | 0 | 2016-10-03T12:08:40Z | 39,831,561 | <blockquote>
<p>you can do like this</p>
</blockquote>
<pre><code>Cols = [(10,11),(8,9),(6,7),(4,5),(2,3),(0,1)]
Index = [1,2,3,4,5,6]
Temp = ['RT','85C','125C','175C','220C','260C']
loops_value = ['First','Second','Third','Fourth','Fifth','Sixth']
for j, i, c, t in zip(loops_value, Index, Cols, Temp):
print "%... | 2 | 2016-10-03T12:23:14Z | [
"python",
"python-3.x",
"jupyter-notebook"
] |
Multi-variable for loop with a tuple and a array | 39,831,267 | <pre><code>Cols = [(10,11),(8,9),(6,7),(4,5),(2,3),(0,1)]
Index = [1,2,3,4,5,6]
Temp = ['RT','85C','125C','175C','220C','260C']
for i,c,t in Index, Cols, Temp:
print(i,c,t)
</code></pre>
<p>I wish to have i as a tuple, c as an integer and t as a string. When i try the above I keep getting a: </p>
<p><strong>Val... | 0 | 2016-10-03T12:08:40Z | 39,833,053 | <p>Basically the for statement iterates over the contents, one by one, so in each iteration, one value is available.</p>
<p>When using</p>
<pre><code> for i,c,t in Index, Cols, Temp:
</code></pre>
<p>you are trying to unpack one value into three variables that's why your are getting <strong>Too many values to un... | 1 | 2016-10-03T13:38:28Z | [
"python",
"python-3.x",
"jupyter-notebook"
] |
Python pandas check if the last element of a list in a cell contains specific string | 39,831,410 | <pre><code>my dataframe df:
index url
1 [{'url': 'http://bhandarkarscollegekdp.org/'}]
2 [{'url': 'http://cateringinyourhome.com/'}]
3 NaN
4 [{'url': 'http://muddyjunction.com/'}]
5 [... | 1 | 2016-10-03T12:14:59Z | 39,831,687 | <p>I think you can first replace <code>NaN</code> to <code>empty url</code> and then use <code>apply</code>:</p>
<pre><code>df = pd.DataFrame({'url':[[{'url': 'http://bhandarkarscollegekdp.org/'}],
np.nan,
[{'url': 'http://cateringinyourhome.com/'}],
... | 1 | 2016-10-03T12:29:14Z | [
"python",
"loops",
"pandas",
"contain"
] |
Python pandas check if the last element of a list in a cell contains specific string | 39,831,410 | <pre><code>my dataframe df:
index url
1 [{'url': 'http://bhandarkarscollegekdp.org/'}]
2 [{'url': 'http://cateringinyourhome.com/'}]
3 NaN
4 [{'url': 'http://muddyjunction.com/'}]
5 [... | 1 | 2016-10-03T12:14:59Z | 39,831,789 | <p>not sure url is str or other types</p>
<p>you can do like this:</p>
<pre><code>"https" in str(df.url[len(df)-1])
</code></pre>
<p>or </p>
<pre><code>str(df.ix[len(df)-1].url).__contains__("https")
</code></pre>
| 0 | 2016-10-03T12:34:01Z | [
"python",
"loops",
"pandas",
"contain"
] |
Python - GUI (TKinter), getting variables from other functions without running the whole function agan | 39,831,418 | <p>I do have an problem i can't realy get solved. The problem is, i do have two separate buttons. In one button I want to load a selected file. And with the other one i want to do some searching.
However i can't get de variables from one function to the otherone without running the whole function again. So that means, ... | -1 | 2016-10-03T12:15:31Z | 39,835,190 | <p>Two methods</p>
<ol>
<li>Use a global variable for txtFile</li>
<li>Use OO and create the functions as part of a class so that they can share variables. </li>
</ol>
<p>I've given you an example of option 2. Since It is my preferred method of working.</p>
<p>If you click "Run !" and haven't clicked on "Select .txt... | 1 | 2016-10-03T15:29:03Z | [
"python",
"function",
"variables",
"tkinter"
] |
snimpy.snmp.SNMPNoSuchObject: No such object was found | 39,831,446 | <p>I'm having an exception raised, but I don't get why</p>
<pre><code>snimpy.snmp.SNMPNoSuchObject: No such object was found
</code></pre>
<h3>Code</h3>
<pre><code>from snimpy import manager as snimpy
def snmp(hostname, oids, mibs):
logger.debug(hostname)
logger.debug(oids)
logger.debug(mibs)
for mi... | 0 | 2016-10-03T12:16:43Z | 39,832,038 | <p>One of the <code>oid</code> seem to trigger the error (cf. <code>'.1.3.6.1.2.1.43.10.2.1.4.1.1' # SNMPv2-SMI::mib-2.43.10.2.1.4.1.1 page count</code>), moving it to last fix the error. But this is a dubious solution.</p>
<pre><code>oids = [
'.1.3.6.1.2.1.25.3.2.1.3.1', # HOST-RESOURCES-MIB::hrDeviceDescr.1
... | 0 | 2016-10-03T12:47:15Z | [
"python",
"snmp",
"snimpy"
] |
Dynamic parameters in JSON serializable class | 39,831,794 | <p>I am trying to create a JSON object with <code>json</code> library from Python 2.7. I am creating a class with needed parameters to serialize like:</p>
<pre><code>class DataMessage:
channelID = 0
messageID = 0
timestamp = 0
voltageRMS = 0
currentRMS = 0
voltageDC = []
currentDC = []
</co... | 0 | 2016-10-03T12:34:14Z | 39,832,051 | <p>You will have to implement a custom <a href="https://docs.python.org/2/library/json.html#json.JSONEncoder" rel="nofollow"><code>JSONEncoder</code></a> for your class that unpacks each array:</p>
<pre><code>from json import JSONEncoder
class MyEncoder(JSONEncoder):
def default(self, o):
result = {
... | 1 | 2016-10-03T12:47:42Z | [
"python",
"json",
"serialization"
] |
json2html, python: json data not converted to html | 39,831,894 | <p>I'm trying to format json data to html using json2html.
The json data look like this:</p>
<pre><code>json_obj = [{"Agent Status": "status1", "Last backup": "", "hostId": 1234567, "hostfqdn": "test1.example.com", "username": "user1"}, {"Agent Status": "status2", "Last backup": "", "hostId": 2345678, "hostfqdn": "tes... | 0 | 2016-10-03T12:39:22Z | 39,832,966 | <p>Make sure that <code>json_obj</code> is an array of objects and not a string (<code>str</code>).</p>
<p>I put your code to a complete sample:</p>
<pre><code>from json2html import *
json_obj = [{"Agent Status": "status1", "Last backup": "", "hostId": 1234567, "hostfqdn": "test1.example.com", "username": "user1"}, {... | 0 | 2016-10-03T13:34:45Z | [
"python",
"html",
"json",
"json2html"
] |
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