text stringlengths 256 65.5k |
|---|
```(aka backtick or grave accent) in a single line before and after the block. See: http://commonmark.org/help/
Simple channel indicator
Hi
I have tried to write a simple channel indicator. The indicator has 2 lines. The maximum of the last 20 Highs and the minimum of the last 20 lows.
Here is my attempt.
class channel... |
2020/01/16
regression using one input (x)
기존에 수행하던 방식은 위와 같은 단일 변수에 의한 데이터에 기반하고 있다.
regression using three inputs (x1, x2, x3)
이처럼 여러 개의 변수를 다뤄야 하는 경우 Hypothesis는 어떻게 구할까?
위처럼 간단히 생각해서 각각에 대한 W와 x의 값을 곱해서 모두 더해주면 된다.그렇지만 기존의 방식과 달리 학습시켜야 할 내용이 늘어난 것이다.
그렇다면 Cost function의 경우는 어떨까?
Cost function의 틀은 결국 같으나 바뀐 것은 우리의 가설... |
nutz版本:1.r.68.v20200427
字符串如下:
{
"access_token": "0f740c97-74fd-4f8a-a41a-bdb46d69d3d5",
"token_type": "bearer"
}
String content = "{\n" +
" \"access_token\": \"0f740c97-74fd-4f8a-a41a-bdb46d69d3d5\",\n" +
" \"token_type\": \"bearer\"\n" +
"}";
Map map = Json.... |
Ιανουαρίου 14, 2020 — Posted by Kangyi Zhang, Sandeep Gupta, and Brijesh Krishnaswami
TensorFlow.js is an open-source library that lets you define, train, and run machine learning models in Javascript. The library has empowered a new set of developers from the extensive JavaScript community to build and deploy machine ... |
I have programmed for 2 months, and I began writing a Chess game. I am a beginner programmer in Python, so please assess my code.
class Chess_Board:
def __init__(self):
self.board = self.create_board()
def create_board(self):
board_x=[]
for x in range(8):
board_y =[]
... |
基数排序,平均时间复杂度O(n):
基数排序依赖于稳定排序,对每个字段按优先级从低到高进行稳定排序,规模为n的数据,d个字段,每个字段可能取值为0~k则时间耗费为Θ(d(n+k))
基于计数排序的十进制整数基数排序,可以看出计数排序是稳定的,python实现:
import random
import math
A_range = 100
A = []
for i in range(A_range):
A.append(random.randint(0,A_range) )
#must make sure the count of columns (named d)
k = 10 #for decimal base
de... |
当使用 Python2.7 +go-pylons.py 创建 Pylons 运行环境的话,会报一下错误。
[alswl@arch-vm xingtong]$ python go-pylons.py myb_env
New python executable in myb_env/bin/python
Traceback (most recent call last):
File "/home/alswl/work/xingtong/myb_env/lib/python2.7/site.py", line 67, in <module>
import os
File "/home/alswl/work/xingtong... |
I wrote this blog post when working at Sqreen, a startup that develops Software-as-a-service (SaaS) solutions to protect web applications from cyber attacks. This post summarizes the streaming technology used to analyse the attacks in real time.
Introduction
At Sqreen we use Amazon Kinesis service to process data from ... |
The difficult part was to figure out right config syntax, the only one worked below:
auth-user-pass-verify "C:/Python27/python.exe user-auth.py" via-env
The most surprising thing was:
OpenVPN cannot run python (or vbs) script without crouches!
user-auth.py
Code: Select all
#!/usr/bin/python
import os
import sys
import ... |
В браузере пока нельзя эмулировать PlayStation 2, но это лишь вопрос времени: Linux туда уже загружают, и он работает. Это кажется чудом, но никакого чуда нет: внутри такие эмуляторы очень просты.
Вступление
Эмуляция при помощи JavaScript стала возможна по двум причинам. Во-первых, тег Canvas. Скажи спасибо Apple: деся... |
roundup
eliminate bugs and weeds from shell scripts roundup
I have a sql column that is set to money, this has four numbers after the decimal point. I am calculating this column in an update query, I would like to roundup this column. example: 2388.6796, should be 2389
Math.Ceiling(0.5);
SqlCommand cmd1 = new SqlComman... |
I’ve been working on new project recently called AstroChallenge. While the details of what exactly AstroChallenge is will have to come later, rest assured, it has to do with Astronomy.
One of the bits of information I’m interested in is whether a particular celestial object is visible in the sky or not. Given an observ... |
GUI textfield example
jcallum
Hi -
I am looking for an example of code to read/get text from a textfield using the ui module. I have tried a number of things but can't seem to figure it out.
This is one attempt:
import ui
v = ui.load_view('descent_calc')
v.present('sheet')
t1 = 120
def text_entered(sender):
'@type ... |
Let's learn Aardvark
Welcome to Aardvark, the language that has entranced programmers by its simplicity and amazingness for the last few days.
My goal is to by the end of this lesson have taught you the basics of the Aardvark language and get you on a course to become an amazing Aardvark developer.
In programming, you ... |
本文出自“Python为什么”系列,请查看全部文章
在写上一篇《Python 为什么要有 pass 语句?》时,我想到一种特别的写法,很多人会把它当成 pass 语句的替代。在文章发布后,果然有三条留言提及了它。
所谓特别的写法就是下面这个:
# 用 ... 替代 pass
def foo():
...
它是中文标点符号中的半个省略号,也即由英文的 3 个点组成。如果你是第一次看到,很可能会觉得奇怪:这玩意是怎么回事?(PS:如果你知道它,仔细看过本文后,你同样可能会觉得奇怪!)
1、认识一下“...”内置常量
事实上,它是 Python 3 中的一个内置对象,有个正式的名字叫作——Ellipsis,翻译成中文就是“省略号”。
... |
Finedays Mailにログインしようとする圭司が,ブルートフォースで試すときに作ってた.パスワードのリストを作るやつです.
著作権的なもろもろがあるのでスクショとかは載せられないのでAmazon Prime会員の方はdele 1話の28:07を見てください.
今回は思考プロセスや仕組みについて書いていきます
あまりプログラミングに明るくない方でも楽しめる感じで書いていくことを目標にします.
仕組みについて考える
作中では圭司が以下のようなコマンドで動かしています
$ ./createWordList.py yasuoka haruo haru 1974 0215 6084 44 -o p.lst
Macの方はTerminal(... |
The Scikit-learn pipeline has a function called ColumnTransformer which allows you to easily specify which columns to apply the most appropriate preprocessing to either via indexing or by specifying the column names.
Example from post:
from sklearn import model_selection from sklearn.linear_model import LinearRegressio... |
点击上方“CVer”,选择加"星标"置顶
重磅干货,第一时间送达
本文转载自:AIWalker
paper: httsp://arxiv.org/abs/2101.03697
code: https://github.com/DingXiaoH/RepVGG
注:公众号后台回复:RepVGG,即可下载上述论文&code&预训练模型。
该文是清华大学&旷视科技等提出的一种新颖的CNN设计范式,它将ACNet的思想与VGG架构进行了巧妙的结合,即避免了VGG类方法训练所得精度低的问题,又保持了VGG方案的高效推理优点,它首次将plain模型的精度在ImageNet上提升到了超过80%top1精度。相比ResNet、RegNet、Effi... |
Hi again
If I like to run a terminal command from my webpage, what is the best way then?
I like to have button to push if for example I wan't to restart my raspberry pi or if I like to run "wakeonlan 00:00:00:00:00:00"
If I like to run a terminal command from my webpage, what is the best way then?
I like to have button... |
Soy realmente nuevo en Django. El problema es que no puedo cargar mi plantilla que consta de dos archivos html básicos. Aquí está la ubicación de mi archivo de plantilla:
/ home / usman / Django Project / django-black / luckdrum / templates /
Plantilla incluye y django views / urls. ¿Cómo (debería / debería) funcionar?... |
# -*- coding: utf-8 -*-
## Copyright 2019 Trevor van Hoof and Jan Pijpers.
## Licensed under the Apache License, Version 2.0
## Downloaded from https://janpijpers.com or https://gumroad.com/janpijpers
## See the license file attached or on https://www.janpijpers.com/script-licenses/
'''
Name: mayaUndoExample
Descri... |
While the process for adding Prometheus metrics to a Python application is well documented in the prometheus_client documentation, dealing with adding metrics when you only know what the metric name or labels are going to be at runtime is trickier. Normal metric classes expect to be declared at module level so the defa... |
If you’ve been writing JavaScript for some time now, it’s almost certain you’ve written some scripts dealing with the Document Object Model (DOM). DOM scripting takes advantage of the fact that a web page opens up a set of APIs (or interfaces) so you can manipulate and otherwise deal with elements on a page.
But there’... |
对于网络应用来说,目前最安全的做法是仍然坚持使用 Python 2.x,即使是新的项目。一个简单的原因是现在 Python 3 还不支持足够多的库,而将已有的库移植到 Python 3 上是一个巨大的工作。当所有人都在抱怨升级到 Python 3 是如此艰难和痛苦的时候,我们如何才能让这件事变得容易一点呢?
对于一个顶层应用来说,如果它的依赖库移植后行为一致,把它升级到 Python 3 就不难了。其实升级到 Python 3 从来都不应该是一件痛苦的事。因此,本文尝试列举一些编写新的代码时应该和不应该做的事。
如果你要编写一个新项目,就从 Python 2.6 或 2.7 开始,它们有许多升级到 Python 3 的便利。如果你不... |
bert-base-en-fr-de-cased
We are sharing smaller versions of bert-base-multilingual-cased that handle a custom number of languages.
Unlike distilbert-base-multilingual-cased, our versions give exactly the same representations produced by the original model which preserves the original accuracy.
For more information plea... |
Googlemapでの文字化け解決について
解決済
回答 1
投稿
評価
クリップ 0
VIEW 1,456
score 13
前提・実現したいこと
Pythonでクリップボード内容を扱ってGoogleマップを起動したいです。
日本語入力実装中に以下のエラーが発生しました。
発生している問題・エラーメッセージ
数字や英語で入力すると記述通りに起動するのですが日本語の文字列入力をすると文字化けした住所が表示されます。
"東京"と入力した場合の表示åFñ{
該当のソースコード
import webbrowser,sys,pyperclip
a=u'東京'
pyperclip.copy(str(a))
if len(sys.argv)>... |
Súprava Smart Home Kit
S úprava Smart Home Kit je tvorená z dvanástich modulov, prepojovacích káblov, držiaka batérií AAA, dátového kábla USB, skrutkovača a návodu. Hlavný modul sa volá sensor:bit a umožňuje pripojenie ďalších modulov. Tento modul disponuje konektormi typu GVS a IIC, bzučiakom, konektorom pre slúchadlá... |
Description
Given an array of integers and an integer k, you need to find the total number of continuous subarrays whose sum equals to k.
Example 1:
Input:nums = [1,1,1], k = 2Output:2
Note:
The length of the array is in range [1, 20,000].
The range of numbers in the array is [-1000, 1000] and the range of the integer ... |
Numpy 基础运算1
让我们从一个脚本开始了解相应的计算以及表示形式 :
import numpy as np
a=np.array([10,20,30,40]) # array([10, 20, 30, 40])
b=np.arange(4) # array([0, 1, 2, 3])
numpy 的几种基本运算 ¶
上述代码中的 a 和 b 是两个属性为 array 也就是矩阵的变量,而且二者都是1行4列的矩阵,其中b矩阵中的元素分别是从0到3。如果我们想要求两个矩阵之间的减法,你可以尝试着输入:
c=a-b # array([10, 19, 28, 37])
通过执行上述脚本,将会得到对应... |
Recently we have learned that a certain branch of the government may be overstepping the consitutional right to privacy. While this may be old news for many the recent leaks by Edward Snowden have brought the issue to national attention and have caused quite a stir.
And rightly so, the argument can be made that the NSA... |
View on TensorFlow.org Run in Google Colab View source on GitHub Download notebook
The phrase "Saving a TensorFlow model" typically means one of two things:
Checkpoints, OR
SavedModel.
Checkpoints capture the exact value of all parameters (tf.Variable objects) used by a model. Checkpoints do not contain any description... |
The two highest numbered boards go on auction on eBay at 10pm. More boards will be auctioned, with board number one the last to be offered. Details here.
Saturday, 31 December 2011
You can start bidding for a numbered Raspberry Pi beta board tonight!
The two highest numbered boards go on auction on eBay at 10pm. More b... |
KIR should be west of the International date line from 1995, i.e. 2 Jan in the test. 'RRULE UNTIL values must be specified in UTC when DTSTART is timezone-aware', but here the UNTIL value DTSTART is tz-naive.
Was hoping to get a bit of feedback on designing a rrule. I'm wondering what the best way to create a minutely ... |
last updated: 2020-09-04 (created 2017-08-16)
Some Smartys were updated by the DSO and deliver now more data (ex. power per phase) which is a good thing :). The old software will not work any longer, so update the software please.
!!New Software!!Based on Strings and using ESPBacker Lib (more infos about this library c... |
CNN的语言模型
学习资料:
本节的全部代码
代码依赖的 utils.py 和 visual.py 在这里找到
我制作的 自然语言句子理解 短片简介
给句子分类的 CNN 语言模型:Convolutional Neural Networks for Sentence Classification
怎么了 ¶
一想到用深度学习解决语言问题,我们自然而然的就能想到使用循环神经网络RNN这一系列的模型。 而像CNN这种专注于图像处理的模型在语言领域也能胜任吗?答案是可以的。 我们在这个短片简介中了解到一句话放在深度学习中, 它其实也就是一段句向量。不管用什么样的模型,只要能将文字有效地转化成向量,那么这就会是一个好模型。
而这次,我们就尝... |
作者:George Seif
x = lambda a, b : a * b
print(x(5, 6)) # prints '30'
x = lambda a : a*3 + 3
print(x(3)) # prints '12'
def square_it_func(a):
return a * a
x = map(square_it_func, [1, 4, 7])
print(x) # prints '[1, 16, 49]'
def multiplier_func(a, b):
return a * b
x = map(multiplier_func, [1, 4, 7], [2, 5, 8])
prin... |
Composing signature with solid brush background
Here are the steps to add Text signature into document with GroupDocs.Signature:
Create new instance of Signature class and pass source document path or stream as a constructor parameter.
Instantiate the SignOptions object with all required additional options and setup Ba... |
kervin:~ jeanmi$ diskutil list
/dev/disk0
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *1.0 TB disk0
1: EFI EFI 209.7 MB disk0s1
2: Apple_HFS Sans titre ... |
blob: e5a6a92c5a9418ab62e604ad79edc9f1ecc8436f (
plain
)
#!/usr/bin/python3
# Ramdomize the lines from stdin.
#
# Uses a stronger source of entropy, so you don't end up with repeated output
# (or at least repeated starts# so often as with sort -R or
# perl -MList::Util # -e 'print List::Util::shuffle <>'
#
# Copyright... |
You can use the Facebook pixel to track your website visitors' actions. This is called conversion tracking. Tracked conversions appear in the Facebook Ads Manager and the Facebook Analytics dashboard, where they can be used to analyze the effectiveness of your conversion funnel and to calculate your return on ad invest... |
Text Language Identification is the process of predicting the language of a given a piece of text. You might have encountered it when Chrome shows a popup to translate a webpage when it detects that the content is not in English. Behind the scenes, Chrome is using a model to predict the language of text used on a webpa... |
ÐдÑавÑÑвÑйÑе, иÑполÑзÑÑ Ð±Ð¸Ð±Ð»Ð¸Ð¾ÑÐµÐºÑ telebot, еÑÑÑ Ð½ÐµÑколÑко message handler и callback query handler, оÑделÑно ÑÑнкÑÐ¸Ñ Ð¾ÑпÑавки ÑообÑÐµÐ½Ð¸Ñ Ð¿Ð¾Ð»ÑзоваÑелÑ, еÑли он еÑÑÑ Ð² базе даннÑÑ
боÑа.
ÐÑи импоÑÑе ... |
ÐÑ Ð½Ðµ можеÑе ÑÑо ÑделаÑÑ, Ñ.к. ÑÑо дейÑÑвие ÑÑабаÑÑÐ²Ð°ÐµÑ Ð´Ð¾ вÑÐ¿Ð¾Ð»Ð½ÐµÐ½Ð¸Ñ ÑÑÑоÑки кода
ТÑÑ Ð±Ñл напиÑан комменÑаÑий, коÑоÑÑй Ñже Ñдалили)
Так Ð²Ð¾Ñ Ñам пÑедлагали Ñакое ÑеÑение:
try:
# Ñ... |
Key Takeaways
A synthetic dataset is one that resembles the real dataset, which is made possible by learning the statistical properties of the real dataset.
Synthetic data can help to solve the common problem of data scarcity and protects data privacy, making it easier to share data and improve model robustness. This i... |
Recent Posts
Recent Comments
Today
13
Total
3,503
ì¼ ì í ì 목 ê¸ í
1 2
3 4 5 6 7 8 9
10 11 12 13 14 15 16
17 18 19 20 21 22 23
24 25 26 27 28 29 30
31
Tags
programmers
ë°ì´í°
ìê°í
backtracking
kocw
dfs
ì¼ì±ê¸°ì¶
OS
Dashboard
BFS
ëì ê³íë²
íë¸ë¡
ìê³ ë¦¬ì¦
BOJ
operation systems
ì½ë©í ... |
JSON 类型几乎已成为互联网及物联网(IoT)的基础数据类型,具体协议请参见 JSON 官网。AnalyticDB for PostgreSQL数据库对JSON数据类型做了完善的支持。并且AnalyticDB for PostgreSQL 6.0版本支持JSONB类型。这部分介绍对JSON & JSONB数据类型的操作,包括:
JSON & JSONB的异同
JSON和JSONB类型在使用上几乎完全一致,两者的区别主要在存储上,json数据类型直接存储输入文本的完全的拷贝,JSONB数据类型以二进制格式进行存储。同时JSONB相较于JSON更高效,处理速度提升非常大,且支持索引,一般情况下,AnalyticDB for Postg... |
Encode - character encodings in Perl
use Encode qw(decode encode);
$characters = decode('UTF-8', $octets, Encode::FB_CROAK);
$octets = encode('UTF-8', $characters, Encode::FB_CROAK);
Encode consists of a collection of modules whose details are too extensive to fit in one document. This one itself explains the ... |
为了驱动步进电机,找了N多源码,有些太过高深看不懂,所以找了个相对简单的(这里)改了一下,实测能驱动28BYJ-48,采用的ULN2003APG驱动板。
import time
from machine import Pin
speed = 2
STEPER_ROUND=512 #转动一圈(360度)的周期
ANGLE_PER_ROUND=STEPER_ROUND/360 #转动1度的周期
#print('ANGLE_PER_ROUND:',ANGLE_PER_ROUND)
p1 = Pin(16, Pin.OUT, value=0)
p2 = Pin(14, Pin.OUT, value=0)
p3 = Pin(12, Pin.O... |
bert-base-en-fr-it-cased
We are sharing smaller versions of bert-base-multilingual-cased that handle a custom number of languages.
Unlike distilbert-base-multilingual-cased, our versions give exactly the same representations produced by the original model which preserves the original accuracy.
For more information plea... |
1. 为什么要修改?
2. 修改步骤:
2.1 添加文件vnpy\usertools\trade_hour.py
内容如下:
"""
本文件主要实现合约的交易时间段
作者:hxxjava
日期:2020-8-1
"""
from typing import Callable,List,Dict, Tuple, Union
from enum import Enum
import datetime
import pytz
CHINA_TZ = pytz.timezone("Asia/Shanghai")
from vnpy.trader.utility import extract_vt_symbol
from vnpy.trader... |
I am trying to make group and fill it with layers in pyQGIS.
Piece of my code:
from PyQt4 import QtCore, QtGui
from PyQt4.QtCore import QFileInfo
from qgis.core import *
from qgis.utils import iface
group = iface.legendInterface().addGroup( 'abc')
group.setName("Group X")
But I got only error AttributeError: 'int' ob... |
本文将介绍在 M M D e t e c t i o n {\rm MMDetection} MMDetection中实现 F C O S {\rm FCOS} FCOS的几个关键类的实现细节,上一文已经列出了涉及到的几个类。
图1:FCOS结构
链接, F C O S {\rm FCOS} FCOS是一种单阶段的检测器,在 M M D e t e c t i o n {\rm MMDetection} MMDetection中的单阶段检测器继承自类SingleStageDetector,其基类是BaseDetector,该类的主要内容如下:
class BaseDetector(nn.Module, metaclass=ABCMe... |
Esto no es una ley de la naturaleza, sino una regla empírica creada por una amplia experiencia. También se conoce como la regla 80/20, y solo es una aproximación aproximada.
Bucles, ramas y otros controles de flujo.
Cada lugar que tenga un if, tendrá una rama que se toma con más frecuencia que la otra rama. Por lo tant... |
最近在做一个电商网站。今天想要实现一下购物车的功能。
考虑问题如下:用户访问购物车会比较频繁,而且经常更改(比如修改数字)。对于后端的数据来说,也就是读写都很频繁。于是考虑通过redis,来减少对数据库的读写。
就研究一下怎么使用redis以及整合到springboot中。
cart数据库的设计如下:
DROP TABLE IF EXISTS `cart`;
CREATE TABLE `cart` (
`uname` varchar(30) NOT NULL,
`pid` int(30) NOT NULL,
`num` int(10) DEFAULT NULL,
PRIMARY KEY (`uname`,`pid`)... |
Je peux exécuter les tests unitaires de mon complément OpenERP v7 comme décrit ici .
En PyCharm, je l’ai fait en ajoutant une configuration Python dans Run / Debug Configuration comme suit:
Scénario:
/home/juliocesar/work/projects/my_project/openerp-server
Paramètres de script:
--addons-path=openerp/addons,openerp/add... |
Vamos a ejecutar un sencillo programa Python en Hadoop Map Reduce. El programa va a calcular la temperatura máxima de cada año a partir de un registro histórico. Para el ejemplo usaremos CentOS aunque es válido para cualquier otra distribución de Linux.
Si no tienes aún instalado Hadoop quizás te interese el siguiente ... |
Authenticating users with Repl.it Auth
This tutorial will teach you how to use the Repl.it Auth API.
Prerequisites
You are required to know the following before you start:
Basic knowledge of Python/Flask
Basic knowledge of Jinja2 (Flask templating)
Basic knowledge of HTML
Starting off
We'll start off with a basic Flask... |
def setUp(self):
self.sm = StackMachine()
In this assignment you’ll have to implement a simple stack machine (non-real-world) that can perform basic arithmetic operations.The implementation has to be in Python using the template provided in ./robolab-template/src/stack_machine.py.Again, you will implement and run ... |
set cursor in an rdocx object
a set of functions is available to manipulate the position of a virtual cursor. This cursor will be used when inserting, deleting or updating elements in the document.
Usage
cursor_begin(x)
cursor_bookmark(x, id)
cursor_end(x)
cursor_reach(x, keyword)
cursor_forward(x)
cursor_backward(x)
... |
Designed for the data science workflow of the
tidyverse
The greatest benefit to tidyquant is the ability to apply the data science workflow to easily model and scale your financial analysis as described in R for Data Science. Scaling is the process of creating an analysis for one asset and then extending it to multiple... |
Today we released 0.3.0 which aligns with PyTorch releases cycle and includes:
Full support to PyTorch v1.5.
Semi-automated GPU tests coverage.
Documentation has been reorganized [docs].
Data augmentation API compatible with torchvision v0.6.0.
Well integration with ecosystem e.g. Pytorch-Lightning.
Highlights
Data Aug... |
Multilingual fields in Django
A while ago, back when Django was in it’s 1.3 version, my first serious project was http://datoz.com, a real estate information site featuring, among other things, bilingual descriptions of office spaces.
Back then I wrote about how we managed that in a quick and easy manner, with no exter... |
Hak Cipta 2021 The TF-Agents Authors.
Lihat di TensorFlow.org Jalankan di Google Colab Lihat sumber di GitHub Unduh buku catatan
pengantar
Tujuan dari Reinforcement Learning (RL) adalah merancang agen yang belajar dengan berinteraksi dengan lingkungan. Dalam pengaturan RL standar, agen menerima pengamatan di setiap lan... |
Vamos a ejecutar un sencillo programa Python en Hadoop Map Reduce. El programa va a calcular la temperatura máxima de cada año a partir de un registro histórico. Para el ejemplo usaremos CentOS aunque es válido para cualquier otra distribución de Linux.
Si no tienes aún instalado Hadoop quizás te interese el siguiente ... |
Сделал код
import time
import threading
import urllib3
http = urllib3.PoolManager()
#f = open('domains.txt','r')
f = open('temp.txt','r')
def myThread(number):
line = f.readline()
while line:
print(threading.currentThread().getName() + ' http://' + line)
page = http.request('GET','http:... |
Python Re.start() & Re.end()
start() & end() These expressions return the indices of the start and end of the substring matched by the group.
These expressions return the indices of the start and end of the substring matched by the group.
Code
>>> import re
>>> m = re.search(r'\d+','1234')
>>> m.end()
4
>>> m.start()
0... |
2020/01/20
Logistic classification은 classification algorithm들 중에서 정확도가 높은 것으로 알려져 있다.
때문에 실제 문제에도 바로 적용해볼 수 있고,Neural Network와 Deep learning을 이해하는 데 중요한 컴포넌트이다.
Logistic Classification에 대해 이야기를 도입하기 앞서, 지난 시간까지의 Linear Regression에 대한 정리를 하고 넘어가자.
x에 대하여 선형적이며우리가 가진 데이터가 어떠한 방식으로 나타날지를 가정하는 일차 함수이다.W에 대한 함수이며가정한 값과 참값 y... |
Conventions:
T1= Time 1 (usually the older dataset)
T2= Time 2 (you guessed it...the newer data)
We'll use blue to represent negative numbers and red to represent positive numbers
Change = T2 - T1
This is the most common way to do topographic change detection (hint - use this one if you're unsure). It works out nicely ... |
blob: bdc90ee62fa741f8a396afd03129139fe20c0965 (
plain
)
# Copyright (C) 2020 Red Hat, Inc. <http://www.redhat.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the ... |
Quickstart: Create a virtual network using the Azure portal
In this quickstart, you learn how to create a virtual network using the Azure portal. You deploy two virtual machines (VMs). Next, you securely communicate between VMs and connect to VMs from the internet. A virtual network is the fundamental building block fo... |
I'm trying to install the web server microWebSrv2 on a M5atom lite.
github microWebSrv2
Has anyone done this before without freezing?
Would be grateful for any hint.
I copied the files with ampy to the m5atom lite, here is the file structure on the M5atom lite:
/ConnectWiFi.py
/MicroWebSrv2/init.py
/MicroWebSrv2/httpRe... |
Hi guys
In this tutorial, I will guide you on how to detect emotions associated with textual data and how can you apply it in real-world applications.
Understanding emotions associated with text is commonly known as sentiment analysis
You can apply it to perform analysis of customer feedback by directly reading them as... |
pip install 报错问题解决
有时在用pip install命令安装python库时出现红字报错
1.报错:ReadTimeoutError: HTTPSConnectionPool(host=’pypi.python.org’, port=443): Read timed out.
Downloading xgboost-0.6a2.tar.gz (1.2MB)
48% |███████████████▋ | 583kB 47kB/s eta 0:00:13Exception:
Traceback (most recent call last):
File "c:\python27... |
Als umweltbewusster oder zumindest geiziger Mitarbeiter des Öffentlichen Dienstes verzichtet man in der Regel bei längerer Anfahrt zum Arbeitsplatz auf den privaten PKW und nimmt freudig am öffentlichen Personennahverkehr (ÖPNV) teil. Sprich: Die Deutsche Bahn (und in Köln auch die KVB) ist unser Freund! Gerüchteweise ... |
tensor可以被简单的理解为多维数组,但实际上,在tensorflow中,tensor本身不会存储具体数值,它只是对运算结果的引用。
tensor的另一个使用场景是当计算图构造完成之后,张量可以在会话中获得运算结果。
tensor有三个属性,分别是name、shape以及type
x1 = tf.constant(1.0, shape=[]) # 0D 标量 shape=()
x2 = tf.constant(1.0, shape=[1]) # 1D 一维向量 shape=(n,)
x3 = tf.constant(1.0, shape=[1,1]) # 2D 二维数组 shape=(m,n)
x4 =... |
Centos上安装RabbitMQ并且Python测试
首先,把erlang环境安装一下,直接
yum list | grep erlang
erlang.x86_64 R16B-03.16.el7 epel
会找到上面这个库,直接安装就可以了。
yum install erlang.x86_64
安装好erlang环境,再下载rabbitmq包。
为了方便,直接下载rpm包,rpm包地址是
下载好以后,直接安装、启动
rpm -ivh rabbitmq-server-3.6.1-1.noarch.rpm
service rabbitmq-serv... |
Joblib provides a simple helper class to write parallel for loops using multiprocessing. The core idea is to write the code to be executed as a generator expression, and convert it to parallel computing:
>>> from math import sqrt >>> [sqrt(i ** 2) for i in range(10)] [0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0]
... |
http://opus-two.myshopify.com/products/ ... uation-kit
To use it with the embedded Project Oberon SPI SD card driver you will need to make the following pin assignments for the Pmod header JA in the Arty.xdc file:
Code: Select all
set_property -dict { PACKAGE_PIN G13 IOSTANDARD LVCMOS33 } [get_ports { SS[0] }]; #IO... |
linux_if
Name
linux_if - munin plugin monitoring Linux network interfaces
Description
This is not a wildcard plugin. Monitored interfaces are controlled by ‘include’, ‘exclude’ in config. By default, only statically configured interfaces (and their sub-interfaces) are monitored.
Features:
bonding - group bonding slave ... |
Python client library for compute.rhino3d web service
Project description
compute_rhino3d
Python package providing convenience functions to call compute.rhino3d.com geometry web services
Project Hompage: https://github.com/mcneel/compute.rhino3d
Supported platforms
This is a pure python package and should work on all v... |
Vi använder cookies för att göra din upplevelse bättre. För att följa det nya direktivet om e-integritet, behöver vi be om ditt medgivande att sätta cookies. Läs mer.
Magento font icons usage and examples
Icons are a simple and effective way to draw users into the content of your website. They can help you structure co... |
Edit: Here's a perhaps slightly more accessible version of the my long-winded original post:It's just vectors, right. I can create a little gender-nobility continuum and put some words on it like so:
+--------------+
| gender |
+----------+------+-------+
| | man | woman |
| nobility +------+... |
Learn To Code In Python
Teaches you how to code in python. By PYer
This tutorial excpects some basic knowledge of coding in another language.
What is python?
Python is a very popular coding language. Little people use it for serious projects, but it is still useful to learn. It was created in 1991 by Guido van Rossum.
... |
[1] Python Made EZ! ð
HîïÃīįì everyone!
Hope y'all are doing great! School is starting real soon, so I hope you have been studying to get ready you are enjoying the last of vacation!
So I made this tutorial on python so that others can try to learn from it and get better! Hopefully, what I say will be comprehe... |
In this article I will walk you through everything you need to know to connect Python and SQL.
You'll learn how to pull data from relational databases straight into your machine learning pipelines, store data from your Python application in a database of your own, or whatever other use case you might come up with.
Toge... |
I was there the day they delivered a new ICL 2960 to our uni CS department. A few giant trucks turned up. They laid down an aluminium plate road way from the trucks into the building. Then rolled out a lot of very big sexy looking bright orange boxes, drives, processor, etc. Most impressive.
Mainframes were always larg... |
原文作者:Armin Ronacher
原文链接:http://lucumr.pocoo.org/2015/11/18/pythons-hidden-re-gems/
Python 标准库中有很多非常恶心的模块,但 Python 的re模块不是其中之一。虽然它已经很老了而且多年未更新,它仍是我认为的众多动态语言中最好的(正则表达式模块)。
对这个模块,我经常能发现有趣的东西。Python 是少有的几个,本身没有集成正则表达式的动态语言之一。虽然缺少解释器的语法支持,但从纯粹的 API 角度来说,它弥补了核心系统设计的缺憾。而同时它又非常奇特。比如它的解析器是用纯 Python 实现的,你如果去追踪它的导入过程,会发现一些奇怪的事:它... |
BERT large model (uncased) for Sentence Embeddings in Russian language.
The model is described in this article
For better quality, use mean token embeddings.
Usage (HuggingFace Models Repository)
You can use the model directly from the model repository to compute sentence embeddings:
from transformers import AutoTokeni... |
Description
Given a non-negative integer numRows, generate the first numRows of Pascal’s triangle.
In Pascal’s triangle, each number is the sum of the two numbers directly above it.
Example:
Input:5Output:[ [1], [1,1], [1,2,1], [1,3,3,1], [1,4,6,4,1] ]
Explanation
use a dynamic programming approach to constructing Pasc... |
Description
Given a binary tree, you need to compute the length of the diameter of the tree. The diameter of a binary tree is the length of the longest path between any two nodes in a tree. This path may or may not pass through the root.
Example:
Given a binary tree
1 / \ 2 3 / \ 4 5
Return 3, which is the length of th... |
Make a Full Lexer in Python!
What is a Lexer?
A lexer is an analyzer that moves through your code looking at each character, and trying to create tokens out of them
This input
int a =5*5
Can be turned into
[(âKeyWordâ, âintâ), (âIDâ, âaâ), (âassignâ, â=â), (ânumâ, 5), (âOPâ, â*â), (â... |
# Lutron Binding
This binding integrates with Lutron (opens new window) lighting control and home automation systems. It contains support for four different types of Lutron systems via different bridge things:
RadioRA 2, HomeWorks QS, Caseta, RA2 Select, and other current systems that can be controlled via Lutron Integ... |
CKIP ALBERT Base Chinese
This project provides traditional Chinese transformers models (including ALBERT, BERT, GPT2) and NLP tools (including word segmentation, part-of-speech tagging, named entity recognition).
這個專案提供了繁體中文的 transformers 模型(包含 ALBERT、BERT、GPT2)及自然語言處理工具(包含斷詞、詞性標記、實體辨識)。
Homepage
Contributers
Usage
Ple... |
Recent Posts
Recent Comments
Today
13
Total
3,503
ì¼ ì í ì 목 ê¸ í
1 2
3 4 5 6 7 8 9
10 11 12 13 14 15 16
17 18 19 20 21 22 23
24 25 26 27 28 29 30
31
Tags
Algorithm
Dashboard
ë°±ì¤
ì¤íë² ì¤
íì´ì¬
backtracking
kocw
íë¸ë¡
BFS
programmers
Visualization
algirithm
ê°ì
OS
BOJ
ìµìë¹ì©
íë¡ê·¸... |
NewerOlder
1 2 3 4 5 6 7 8 9 10 11 12 13
#! /usr/bin/python
#~ import pandoc
from pandoc import *
def main ():
newDocument('title\nof the document', ['author1', 'author2'], '25 june\n2017')
addTOC()
newPage()
header ('Test quote Block', 1, '#header1')
quoteBlock (['text 1', ['text 2', ['text 3'], 'text 4'], 'text ... |
一、URL配置
URL配置(URLconf)就像Django 所支撑网站的目录。它的本质是URL与要为该URL调用的视图函数之间的映射表。你就是以这种方式告诉Django,对于这个URL调用这段代码,对于那个URL调用那段代码。
1.1基本格式
from django.conf.urls import url
#循环urlpatterns,找到对应的函数执行,匹配上一个路径就找到对应的函数执行,就不再往下循环了,并给函数传一个参数request,和wsgiref的environ类似,就是请求信息的所有内容
urlpatterns = [
url(正则表达式, views视图函数,参数,别名),
]
注意:
Django ... |
Environment
Red Hat Enterprise Linux (RHEL)
Issue
Performing yum updateresults in the errorNo module named yum
While running sosreportfails withNo module named os
When running subscription-managercommands fail withNo module named version
Resolution
There are multiple possible causes for this issue. Usually this issue i... |
什么是Python 2?
Python 2使代码开发过程比早期版本更容易。它实现了Python增强建议(PEP)的技术细节。Python 2.7(2.x中的最新版本)已不再开发,并将于2020年停产。
在本教程中,您将学习,什么是Python 2?什么是Python 3?为什么要学习Python 2?为什么要使用Python 3?
Python 2的历史
Python 3的历史
Python 2和Python 3之间的主要区别
Python 2 vs.Python 3示例代码
使用哪个Python版本?
什么是Python 3?
在2008年12月,Python发布了3.0版。此版本的发布主要是为了解决Python 2中存在的问题。... |
Criba de Eratóstenes – Algoritmos antiguos
En este artículo se describirá el funcionamiento de la criba de Eratóstenes y su aplicación en varios lenguajes.
La Criba de Eratóstenes es un algoritmo que permite encontrar los números primos dentro de una serie de números naturales. Fue diseñado por Eratótenes, un matemátic... |
I'm trying to do the Login for my Django (2.0) website, so far I've got the login working for existing accounts. I'm using the built-in login function.
Now I want to display an error message when you enter an invalid account, for example "Invalid username or password!". But I have no idea how to go about this.
Right no... |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.