text stringlengths 256 65.5k |
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Questões:
O que faz o trecho de código abaixo?Nele está dando erro.
Como posso identificar e corrigir esse erro?
verificar = self.tree.column(titulos_listbox[ix], width=None)
Ao rodar o código, apresenta a seguinte mensagem de erro:
IndexError: list index out of range
Se eu retirar toda a parte do código abaixo, ... |
Before saving model I'm re-size a picture. But how can I check if new picture added or just description updated, so I can skip rescaling every time the model is saved?
class Model(model.Model):
image=models.ImageField(upload_to='folder')
thumb=models.ImageField(upload_to='folder')
description=models.CharFie... |
Доступно с лицензией Spatial Analyst.
Сводка
Определяет по принципу «ячейка-за-ячейкой» положение растра с максимальным значением в наборе растров.
Иллюстрация
Использование
В перечне входных растров может быть задано произвольное число растров.
Порядок входных растров важен для этого инструмента.
Если многоканальный р... |
NZ Citizen or Resident
Boolean ETERNITY Person Formula Included used 15 times
Value typeBoolean.Default valuefalseEntityperson
How is this calculated?
To calculate this variable, the following input is used
Boolean is_nz_citizen New Zealand citizen means a person who has New Zealand citizenship as provided in the Citiz... |
Python is an example of a high level language.Other high level languages you might have heard of are C++,PHP,Pascal,C#,and Java. Python is an easy to learn, powerful programming language. It has efficient high-level data structures and a simple but effective approach to object-oriented programming.
Install Python
Insta... |
Quoting Pandas documentation (Essential Basic Functionality) regarding Row or Column-wise Function Application:
Arbitrary functions can be applied along the axes of a DataFrame or Panel using the apply() method, which, like the descriptive statistics methods, take an optional axis argument
Taking advantage of this func... |
Tutorial
How To Deploy Flask Web Applications Using uWSGI Behind Nginx on CentOS 6.4
Introduction
Armin Ronacher’s Flask is one of the greatest things that has ever happened in the field of web application frameworks created for Python in the past couple of years.
Flask is a minimalist but extremely functional - and po... |
For example: I have two cubes (grey, red) and want to draw a line(red) from an vertex of the first cube to a vertex of the second cube.
To do this, I want to split the view into two parts, in the left part should be shown the first cube, in the right part the second cube.
The start of the line should be picked in in th... |
こんにちは！
皆さんはPandasのDataFrameを可視化したいと思ったことはありませんか？
「df.plot()」を使うと、DataFrameから直接Matplotlibの機能を呼び出すことができます。
今回の記事では、以下の内容について紹介します。
DataFrameの可視化を行う方法
グラフの種類の変更方法
DataFrameの可視化を行う方法
DataFrameの可視化を行うには、DataFrameオブジェクトの「plot()」を使います。
では、irisデータセットを用いて、DataFrameの可視化を行ってみましょう。
デフォルトでは、x軸にindexが使われ、折れ線グラフで表示されます。また、数値以外のcolumn... |
How can I do the following in Python?
array = [0, 10, 20, 40]
for (i = array.length() - 1; i >= 0; i--)
I need to have the elements of an array, but from the end to the beginning.
You can make use of the reversed function for this as:
>>> array=[0,10,20,40]
>>> for i in reversed(array):
... print(i)
Note that rev... |
I'm trying to run a python script using the adafruit_bme280 library to read a couple of sensors and display the data on a flask-generated page. I've gotten it to work outside of a venv virtual environment without using sudo, however as soon as I try to run it from within one I get the following error.
Traceback (most r... |
按照本指南将数据集添加到 TFDS。
请参阅我们的数据集列表来查看您所需的数据集是否尚未添加。
总览
编写 my_dataset.py
指定 DatasetInfo
下载和提取源数据
指定数据集分割
编写样本生成器
数据集配置
创建您自己的 FeatureConnector
添加数据集到 tensorflow/datasets
在 TFDS 之外定义数据集
大型数据集和分布式生成
测试 MyDataset
总览
数据集以各种格式分布于各个角落，它们并不总是以可以立即送入机器学习流水线的格式进行存储。
TFDS 提供了一种将所有数据集转换成一种标准格式的方法，进行必要的预处理，以使数据集为机器学习流水线做好准备，并通过 tf.data... |
blob: 0c925a4910cf4ae4e1f8910d3eee0779b4297e98 (
plain
)
# -*- coding: utf-8 -*-
# Physics, a 2D Physics Playground for Kids
# Copyright (C) 2008 Alex Levenson and Brian Jordan
# Copyright (C) 2012 Daniel Francis
# Copyright (C) 2012-13 Walter Bender
# Copyright (C) 2013 Sai Vineet
# Copyright (C) 2012-13 Sugar La... |
机器学习开发者想要打造一款 App 有多难？事实上，你只需要会 Python代码就可以了，剩下的工作都可以交给一个工具。近日，Streamlit 联合创始人 Adrien Treuille撰文介绍其开发的机器学习工具开发框架——Streamlit，这是一款专为机器学习工程师创建的免费、开源 app 构建框架。这款工具可以在你写Python 代码的时候，实时更新你的应用。目前，Streamlit 的 GitHub Star 量已经超过 7000，在 medium上的热度更是达到了 9000+。
以我的经验，每一个不平凡的机器学习项目都是用错误百出、难以维护的内部工具整合而成的。这些工具通常用 Jupyter Notebooks 和 F... |
TIOBE每个月都会新鲜出炉一份流行编程语言排行榜，这里会列出最流行的20种语言。排序说明不了语言的好坏，反应的不过是某个软件开发领域的热门程度。语言的发展不是越来越common，而是越来越专注领域。有的语言专注于简单高效，比如Python，内建的list，dict结构比c/c++易用太多，但同样为了安全、易用，语言也牺牲了部分性能。在有些领域，比如通信，性能很关键，但并不意味这个领域的coder只能苦苦挣扎于c/c++的陷阱中，比如可以使用多种语言混合编程。
我看到的一个很好的Python与c/c++混合编程的应用是NS3（Network Simulator3）一款网络模拟软件，它的内部计算引擎需要用高性能，但在用户建模部分需要灵... |
Socket won't unbind from address when socket is terminated
After my successive failures using bluetooth to get my wipy's to communicate, I switched to using wifi and sockets. It does work, however using basically example code from the documentation I cannot soft reset and rerun the module without getting the error (fro... |
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縺�縺､繧ゅ�ｮ縺ｨ縺�縺�縺ｮ縺ｯ縲∬牡縺ｮ螟画峩縺ｨ縺九�∬ｻｸ縺ｮ荳企剞蛟､縺ｨ縺九ｒ縺�縺... |
Contour.index raises AttributeError
joancalast edited by gferreira
I'm trying to delete a contour (well, some of them) and I get an
AttributeErrorwhere (I think) shouldn't as it's robofab's (and works in FL this way).
g = CurrentGlyph()
for con in g:
print g.index
Thanks you!
Why do you need the index of the conto... |
这个作业属于哪个课程 软件工程
这个作业要求在哪里 第一次个人编程作业
这个作业的目标 发布一篇随笔，使用markdown语法进行编辑。在随笔前附上github仓库地址。
作业正文
参考文献
编程题目
汉字是迄今为止持续使用时间最长的文字，也是上古时期各大文字体系中唯一传承至今者，中国历代皆以汉字为主要的官方文字。我们在感叹汉字的源远流长时，也不禁感慨，为什么没有一门使用汉字编程的语言？
小杨同学想到：用汉字来进行编程一定很有趣，来请你帮帮他。
编程要求
请编写一个程序，制作一个简易的中文语言编译器，即使用中文语法进行编程，输入为逐行输入，每行为一个语句，一个语句代变一个操作，满足以下语法要求（括号内代变格式类型，具体参考样例）：
... |
PaPeRo iでは現状pythonのloggingモジュールを使って日本語のログを出力しようとすると失敗します。
日本語をログ出力できるようにする方法を紹介します。
日本語のログが出せない確認
主題とは無関係なのですが、少し凝ってログローテーションでファイル出力するスクリプトで、まず日本語のログ出力が失敗することを確認してみます。
このスクリプトではログを英語、日本語、英語の順で出力しています。
from logging import (getLogger, Formatter,
DEBUG, INFO, WARN, ERROR, CRITICAL)
from logging.handle... |
SOLVED StemHist error
jack_jenningslast edited by gferreira
Running:
from mojo.compile import *
stemHist(CurrentFont().path)
Produces:
Traceback (most recent call last):
File '<untitled>', line 3, in <module>
File 'mojo/compile.pyc', line 57, in stemHist
TypeError: autohint() got an unexpected keyword argument 'us... |
greenlet.error not raised switching between threads for main greenlet
Consider this code snippet. It starts a background thread and exposes an attribute that allows switching to the main greenlet of the background thread. The main thread then attempts to call this switch method.
# bad_switch.py
from time import sleep a... |
Oct 9th, 2020 - written by Kimserey with .
Reducing repetition in codebase is a well understood concept in Software development. When writing features, we try to use existing functionalities so that we don’t duplicate similar logic. Surprisingly, this concept is often skipped when writing tests where we end up with a h... |
Sabemos que os objetos do tipo list, por serem baseados em vetores dinâmicos, tem uma capacidade interna máxima. Também sabemos que quando está capacidade total é alcançada e quisermos inserir um novo valor na lista, Python aloca um novo array com uma capacidade maior que o anterior e transfere todos os valores d... |
Envoyer un e-mail modèle en masse utilisant HTTP avec Python
Envoyer un mél massif à un groupe de destinataires au moyen d'un modèle avec Python
Créer un groupe
Récupère la liste des champs du groupe avec Python
Ajouter un champ à un groupe avec Python
Supprimer un champ d'un groupe avec Python
Supprimez un contact d'u... |
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2ﾃ�2縺ｮ蝗櫁ｻ｢陦悟�励�ｯ
$$ﾂ･begin{bmatrix}ﾂ･cos{ﾂ･theta} & -ﾂ･sin{ﾂ･theta} ﾂ･ﾂ･ sin{ﾂ･theta} & ﾂ･cos{ﾂ･theta}ﾂ･end{bmatrix}$$
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蝗ｳ蠖｢逧�閠�蟇溘∪縺溘�ｯ荳芽ｧ帝未謨ｰ縺ｮ蜉�豕募ｮ夂炊繧医ｊ縲』 ', y ' 縺ｯ莉･荳九�ｮ繧医≧縺ｫ陦ｨ縺輔ｌ繧九％... |
По следам прошлого поста о функции
Map.
Вам дали задачу – смоделировать процесс приготовлении картошки. Имеем набор картофелин. Каждая должна пройти стадию чистки, мойки, резки и варки.
Не вопрос, отвечет программист:
class Potato:
def clean(self):
pass
def wash(self):
pass
def cut(self):
... |
ExtUtils::MakeMaker - Create a module Makefile
use ExtUtils::MakeMaker;
WriteMakefile( ATTRIBUTE => VALUE [, ...] );
This utility is designed to write a Makefile for an extension module from a Makefile.PL. It is based on the Makefile.SH model provided by Andy Dougherty and the perl5-porters.
It splits the task of gene... |
Summary
Generate data names in a directory/database structure by walking the tree top-down or bottom-up. Each directory/workspace yields a tuple of three: directory path, directory names, and file names.
Discussion
The Python os module includes an os.walk function that can be used to walk through a directory tree and f... |
ExtUtils::MakeMaker - Create a module Makefile
use ExtUtils::MakeMaker;
WriteMakefile( ATTRIBUTE => VALUE [, ...] );
This utility is designed to write a Makefile for an extension module from a Makefile.PL. It is based on the Makefile.SH model provided by Andy Dougherty and the perl5-porters.
It splits the task of gene... |
blob: b1894ada132a7770ab416698736322ca731c59d8 (
plain
)
#!/usr/bin/python
# Physics, a 2D Physics Playground for Kids
# Copyright (C) 2008 Alex Levenson and Brian Jordan
# Copyright (C) 2012 Daniel Francis
# Copyright (C) 2012-13 Walter Bender
# Copyright (C) 2013 Sai Vineet
# Copyright (C) 2012-13 Sugar Labs
# ... |
Tab Transformer (wip)
Implementation of Tab Transformer, attention network for tabular data, in Pytorch. This simple architecture came within a hair's breadth of GBDT's performance.
Install
$ pip install tab-transformer-pytorch
Usage
import torch
from tab_transformer_pytorch import TabTransformer
cont_mean_std = torch... |
Mở file ở chế độ chỉ được phép đọc.
Mở file ở chế độ ghi.
Mở file chế độ ghi tiếp vào cuối file.
Mở file để đọc và ghi.
Bài kiểm tra trắc nghiệm về Python - Phần 3
Nhằm phục vụ cho công việc và học tập của bạn đọc, đi kèm với các bài học về Python, Quantrimang luôn mong muốn có thể đem đến những bộ câu hỏi với nhiều ki... |
TensorFlow 1 version View source on GitHub
Model groups layers into an object with training and inference features.
tf.keras.Model( *args, **kwargs)
Used in the notebooks
Used in the guide Used in the tutorials
Arguments
inputs The input(s) of the model: a keras.Input object or list ofkeras.Input objects.
outputs The o... |
TensorFlow 2 version View source on GitHub
Represents a potentially large set of elements.
Inherits From: Dataset
tf.data.Dataset()
A Dataset can be used to represent an input pipeline as acollection of elements and a "logical plan" of transformations that act onthose elements.
Args
variant_tensor A DT_VARIANT tensor ... |
A lot of us want to get started with Machine Learning. Either because it's a hot topic of the day or because it just looks like something fun. However, not many can boast familiarity with linear algebra, multivariable calculus, statistics and advanced programming concepts. If you fit into this category where you're int... |
Scikit Learn
supports numpy array, scipy sparse matrix, pandas dataframe.
Estimator- learns from data: can be a classification, regression , clustering that extracts/filters useful features from raw data - implementsset_params,fit(X,y),predict(T),score(judge the quality of fit / predict),predict_proba(confidence level)... |
Jun 122019
With so many proxy website URLs all over the place, it's difficult to tell which one's actually have new proxies posted or if you're just receiving the same old proxies that are cluttering up your list and wasting time on testing. So, I wrote a spider that will scrape proxies off of URLs and compare the firs... |
A Python Tutorial, the Basics
ð A very easy Python Tutorial! ð
#Tutorial Jam
@elipie's jam p i n g
p i n g
Here is a basic tutorial for Python, for beginners!
Table of Contents:
1. The developer of python
2. Comments/Hashtags
3. Print and input statements
f' strings
4. If, Elif, Else statements
5. Common Modules
... |
how to make a calculator in python
This is going to be a tutorial for beginners who know the basics of python. That is floats, and input and print. So, were going to start with two lines of code:
import math
while True:
math = input()
This will get the computer the information for it to know if we are going to do ... |
Le langage Python, créé en 1991, sous licence libre est actuellement très populaire. C’est notamment le langage phare du Raspberry Pi.
Le MicroPython est une adaptation du langage Python pour microcontrôleurs. Il a été à l’origine créé pour programmer la Pyboard, une carte de développement lancé sur Kickstarter en 2013... |
How to Make A Discord Bot - Part 3
OMG, we are back with another tutorial, today we will be making EVEN MORE commands. A the end we will be making our custom help command where users will know how to use all your functions.
Clear Command
You know when there was some mess in your chat and you wanted to delete it but you... |
FiPy: Sending string message to Hologram over LTE-M...
securigylast edited by securigy
I am sending data using the following code and it executes without any errors:
HOST = "cloudsocket.hologram.io"
PORT = 9999
DEVICE_KEY = "30AEAXXXXXXX" #generated on hologram's portal for each SIM card.
TOPIC = "ENVTOPIC"
idx = 0
try... |
基于flask+gunicorn&&nginx来部署web App
WSGI协议
Web框架致力于如何生成HTML代码，而Web服务器用于处理和响应HTTP请求。Web框架和Web服务器之间的通信，需要一套双方都遵守的接口协议。WSGI协议就是用来统一这两者的接口的。
WSGI容器——Gunicorn
常用的WSGI容器有Gunicorn和uWSGI，但Gunicorn直接用命令启动，不需要编写配置文件，相对uWSGI要容易很多，所以这里我也选择用Gunicorn作为容器。
安装环境
python虚拟环境wget https://repo.continuum.io/archive/Anaconda3-5.0.1-Linux-x86_... |
Cada vez que ejecuto el código .py usando el terminal (ubuntu).
Me sale este error.
Traceback (most recent call last): File "./twitterstream.py", line 15, in from pip._vendor import requests File "/usr/local/lib/python2.7/dist-packages/pip-10.0.1-py2.7.egg/pip/_vendor/requests/__init__.py", line 83, in from pip._inte... |
带你尝鲜Django最新版重要更新JSONField的使用
Django最新版v3.1的主要更新之一便是完善了对JSON数据存储的支持，新增models.JSONField和forms.JSONField，可在所有受支持的数据库后端上使用
目前支持的数据库以及对应版本主要有MariaDB 10.2.7+,MySQL 5.7.8+,Oracle,PostgreSQL和SQLite 3.9.0+，但个别Django的查询方法可能与部分数据库不兼容，例如contains和contained_by就不支持Oracle和SQLite数据库
from django.db import models
class Hero(models.Model... |
One add-on for Anki (a flashcard app) requires 32 bit binary support. I figured that perhaps installing mulitilib might work but it didn't. I still get the error message:
Please ensure your Linux system has 32 bit binary support.
The name of the add-on is Japanese Support. I was wondering if anyone on this forum might ... |
For my student job, I have been logging work times with the org-mode in emacs for quite some time. Now since I can only work from remote, I figured it would be nice to automatically use the entries from the .org files into readily-formatted entries. I am doing this because the job requires me to write an Excel sheet wi... |
UNSOLVED Prepolator: various tracebacks
1. Closing Font Preview triggers traceback
Steps to reproduce:
⢠Open two UFO files in RF3.4
⢠Start Prepolator
⢠Prepolator window: click "Add Open" icon
⢠Prepolator window: click "Font Preview" icon
⢠Font Preview popup: click OK button
Traceback (most recent call la... |
Dependency Scanning (ULTIMATE)
The Dependency Scanning feature can automatically find security vulnerabilities in your dependencies while you're developing and testing your applications. For example, dependency scanning lets you know if your application uses an external (open source) library that is known to be vulnera... |
Dataset Card for AmbigQA: Answering Ambiguous Open-domain Questions
Table of Contents
Dataset Description
Dataset Structure
Dataset Creation
Considerations for Using the Data
Additional Information
Dataset Description
Dataset Summary
AmbigNQ, a dataset covering 14,042 questions from NQ-open, an existing open-domain QA ... |
Я хочу создать регистрационную форму, которая позволяет мне зарегистрироваться. Вместо того чтобы сохранять форму обычно (используя формы Django), я создал API, который получает все данные из формы и сохраняет их в модели. Я пробовал этот метод, но я не получаю никаких результатов:
< Сильный > models.py :
from django.c... |
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縺薙ｌ縺ｧ縺ｧ縺阪◆縲ょ､画焚e縺ｯ螟画鋤陦悟�励↓縺ｪ縺｣縺ｦ縺�繧九�ｮ縺ｧ縲√＞繧阪＞... |
Руководство по Selenium: Web Scraping с Selenium и Python
Представьте, какие возможности откроются перед вами, если вы автоматизируете всю нудную деятельность в интернете, такую как ежедневная проверка первых результатов в Google по ключевым запросам, или загрузка кучи разных файлов с разных сайтов. В данном разделе мы... |
Pin Interrupt not working as expected
My Apologies if this is answered elsewhere. But I'm running into an odd issue that with my Lopy4 and expansion board. I'm setting up a pin with a callback and regardless of what trigger I use it immediately fires off and not again afterwards. Running the following code will immedia... |
Hello!
I used to draw a rectangle of a certain color and thickness in PDF Viewer using annotations (with the JavaScript function addAnnot()).
Could I simply draw a rectangle with any function of the PDF-Tools Library or should I also create an Annotation with the PXCp_Add3DAnnotationW() function? The problem is I'm try... |
PyPy, 195 ходов, ~ 12 секунд вычислений
Вычисляет оптимальные решения с использованием IDA * с эвристикой «шаговой доступности», дополненной линейными конфликтами. Вот оптимальные решения:
5 1 7 3
9 2 11 4
13 6 15 8
0 10 14 12
Down, Down, Down, Left, Up, Up, Up, Left, Down, Down, Down, Left, Up, Up, Up
2 5 ... |
NewerOlder
1 2 3 4 5 6 7 8 9 10 11 12 13
# LQDN RP
This project uses Django 1.11 and python >= 3.5
## Requirements
To run the project, start a virtual environment and install
requirements.txt requirements-dev.txt contains additional dependencies
for development
$ pip install -r requirements.txt
$ pip install -r... |
Module is a simple but powerful concept in python. We saw in C programs we used header files. ( studio.h , string.h , conio.h etc) In hear we use a similar thing called module. We can call a module as a collection of functions. There are hundred of per built modules for various tasks. Also we can make our own modules. ... |
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.
... |
TencentCloud API authenticates every single request, i.e., the request must be signed using the security credentials in the designated steps. Each request has to contain the signature information (Signature) in the common request parameters and be sent in the specified way and format.
The security credential used in th... |
Få SMS-leveringsstatus med Python
Få SMS-leveringsstatus med Python
Opret gruppe med Python
Hent gruppe feltliste med Python
Føj et felt til en gruppe med Python
Slet et felt fra en gruppe med Python
Slet en kontakt fra en gruppe
At give land en e-gruppe med Python
Hent gruppekontaktliste med Python
Føj kontakt til en ... |
Available with Standard or Advanced license.
PostgreSQL uses roles to log in to the database cluster and databases. Individual users are called login roles. For all login roles that will own objects in the geodatabase, you must also create a schema in that database. To use PostgreSQL with ArcGIS, the schema must have t... |
```(aka backtick or grave accent) in a single line before and after the block. See: http://commonmark.org/help/
Fundamental concept I am missing with indicator development: (Adaptive LRSI Filter)
RandyTlast edited by
I've spent a good part of the day trying to get this working and seem to continue to miss some fundamen... |
Доступно с лицензией Spatial Analyst.
Сводка
Определяет значение в списке аргументов, который находится на определенном уровне распространенности по принципу «ячейка-за-ячейкой». Конкретный уровень распространенности (количество повторов каждого значения) задается первым аргументом.
Иллюстрация
Использование
Этот инстр... |
JSON(JavaScript Object Notation)是一種輕量級的數據交換格式，易於人閱讀和編寫。以下就介紹利用Python來實作解析JSON文件。
import json
#json 的資料形式字串
strjson = '{"firstName": "Allen", "lastName":"Chen"}'
#轉換json
parsedJson = json.loads(strjson)
print(parsedJson['firstName'])
import json
import pandas as pd
from urllib import request
#氣象局-鄉鎮天氣預報-台灣未來1週天氣預報
#ht... |
html2text
html2text is a Python script that converts a page of HTML into clean, easy-to-read plain ASCII text. Better yet, that ASCII also happens to be valid Markdown (a text-to-HTML format).
Usage: html2text [(filename|url) [encoding]]
Option Description
--version Show program's version number and exit
-h, --help Sho... |
TL;DR : The PI was not the issue. The sender was. Take a look into my answer.
long story
I am facing a performance issue right now on a test setup i use to investigate limitations for my upcoming project. AFAIK the rpi supports USB 2.0. And with this it should roughly match speeds up to 400 MiBit/s. A friend of mine to... |
cuda detectMultiScale gets inconsistent result on same image?
Hi,
Im using cuda CascadeClassifier for objection detection.(LBP detector is trained) I found that detectMultiScale calls get inconsistent results on the same image.
#include <iostream>
#include <opencv2/opencv.hpp>
#include <opencv2/core/cuda.hpp>
#include ... |
Loaders
Loader
spektral.data.loaders.Loader(dataset, batch_size=1, epochs=None, shuffle=True)
Parent class for data loaders. The role of a Loader is to iterate over a Dataset and yield batches of graphs to feed your Keras Models.
This is achieved by having a generator object that produces lists of Graphs, which are th... |
【機械学習初心者向け】ロジスティック回帰で手書き文字認識【機械学習の実装】
注意:このページはPC版で見ることを推奨します。
精度の高い手書き文字認識
突然ですが、皆さんはスマホの手書き入力を使った事がありますか？有名なもので言うと、Googleの手書き文字入力アプリがあります。私は今初めて使ってみたのですが、このアプリの精度の高さに感動しています。
画像1: 「憂鬱」という字を書いた。崩れていても、ちゃんと書いていなくても認識してくれる。字が汚すぎる。
この手書き文字認識は、「深層学習」というAIの技術によって制度を格段に上げられました。
深層学習についてはひとまず置いておいて、早い話が手書き文字認識は深層学習の分野ということです... |
こんにちは！
皆さんは、Pandasでexcelファイルに保存されたデータを読み込みたいと思ったことはありませんか？
Pandasでexcelファイルの読み込みを行うには、「xlrdライブラリ」をインストールして、「read_excel()」を使うと簡単にできますよ。
今回の記事では、以下の内容について紹介します。
xlrdライブラリについて
Pandasでexcelファイルを読み込む方法
xlrdライブラリ
xlrdライブラリとは
xlrdライブラリは、excelのデータをPythonで読むために作成されたライブラリです。
今回はPandasのread_excelの内部で使用されているため、インストールの必要があります。
xlrd... |
Minkowski Engine
The Minkowski Engine is an auto-differentiation library for sparse tensors. It supports all standard neural network layers such as convolution, pooling, unpooling, and broadcasting operations for sparse tensors.
Example Networks
The Minkowski Engine supports various functions that can be built on a spa... |
Introduction
Bienvenue sur la page de documentation de l'API de Serveur MultiGames. Cette page est destinée aux développeurs et aux créateurs souhaitant intégrer un système de vérification de vote sur leur serveur. L'API permet de vérifier les votes selon plusieurs méthodes, mais également de récupérer ou d'envoyer d'a... |
I am trying to figure out the appropriate way to build a pipeline to train a model which includes using the SMOTENC algorithm:
Given that the N-Nearest Neighbors algorithm and Euclidian distance are used, should the data by normalized (Scale input vectors individually to unit norm). Prior to applying SMOTENC in the pip... |
Devel::Peek - A data debugging tool for the XS programmer
use Devel::Peek;
Dump( $a );
Dump( $a, 5 );
DumpArray( 5, $a, $b, ... );
mstat "Point 5";
use Devel::Peek ':opd=st';
Devel::Peek contains functions which allows raw Perl datatypes to be manipulated from a Perl script. This is used by those who do XS programming... |
github-actions[bot] on gh-pages
Update documentation (compare)
rabernat on master
remove reference to GMT (#808) (compare)
charlesbluca on master
Change main job name (compare)
charlesbluca on master
Delete build.yml (compare)
charlesbluca on master
Merge limited build workflow (compare)
charlesbluca on master
Delete s... |
改良的 Merkle Patricia Trie 规范（又称为 Merkle Patricia Tree）
Merkle Patricia Trie（下简称 MPT 树，Trie 又称前缀树或字典树）尝试提供一种加密认证的数据结构，其可用于存储任意类型的的键值对。本文仅讨论键值对为字符串的情况（对于其他类型，只需要使用某种序列化方式将其转换为字符串即可）。这些键值对是完全确定的，这意味着两颗具有相同键值对的 Patricia 前缀树，它们的数据是保证完全一致的，因此也拥有相同的根哈希（root hash）。MPT 树提供优秀的 O(log(n)) 时间复杂度的插入，查询和删除性能。此外 MPT 树也比一些基于比较的替代方案（如红黑前... |
@pytest.fixture(scope="function")
def conn(request):
ts = int(time.time())
db_path_name = "db"
db_name = f"{request.function.__name__}.sqlite3"
filepath = pathlib.Path(__file__).parent / db_path_name / db_name
LOG.debug(f"Test DB @ {filepath}")
engine = create_engine(f"sqlite:///{filepath}")
... |
Генерация синтетических данных с помощью Numpy и Scikit-Learn
В этом руководстве мы обсудим детали создания различных синтетических наборов данных с использованием библиотек Numpy и Scikit-learn. Мы увидим, как можно сгенерировать разные образцы из разных распределений с известными параметрами.
Мы также обсудим создани... |
I have a retopologized quad-only mesh, and I’d like to move it’s vertices back on the original high-rez mesh.
Is that even possible in Rhino ?
I have a retopologized quad-only mesh, and I’d like to move it’s vertices back on the original high-rez mesh.
Is that even possible in Rhino ?
In gh you can do mesh closest poin... |
was present in New Zealand for at least 240 days in each the 5 years immediately preceding the date of application
Citizenship Boolean DAY Person Formula Included used 1 time
Value typeBoolean.Default valuefalseEntityperson
How is this calculated?
To calculate this variable, the following input is used
Int days_present... |
http.basicAuth() function
The http.basicAuth() function returns a Base64-encoded basic authenticationheader using a specified username and password combination.
Function type: Miscellaneous
import "http" http.basicAuth( u: "username", p: "passw0rd" ) // Returns "Basic dXNlcm5hbWU6cGFzc3cwcmQ="
Parameters
u
The usernam... |
Univariate distributions are the distributions whose variate forms are Univariate (i.e each sample is a scalar). Abstract types for univariate distributions:
const UnivariateDistribution{S<:ValueSupport} = Distribution{Univariate,S}
const DiscreteUnivariateDistribution = Distribution{Univariate, Discrete}
const Conti... |
I am new to Python (it's my first language), been coding for a couple of weeks now.
I have already made a couple of simple scripts to download and manipulate some financial data, but lately I thought about making a simple hangman game. I tested it thoroughly and it seems to work just fine.
However, as I do not yet know... |
Working at Leanplum is an incredible ride of balancing cost, functionality and future foundation at scale.
Check out what I have been up to in my interview:
I finally got my own cats! Checkout Bagheera and Leon!
On this sunny day of February 28, 2016, the year of our Lord, I woke up with a bunch of emails telling me My... |
type() returns the data type of the object .
list of Python built in Data types
None
Numeric ( integer, float , complex )
Sequence ( list, tuple, set , range )
Bool
string ( or str )
dictionary.
Getting type of object ( Output is with comment # part )
print(type(5)) #<class 'int'>
print(type(3.4)) #<cla... |
Dask Release 0.17.0
I’m pleased to announce the release of Dask version 0.17.0. This a significant major release with new features, breaking changes, and stability improvements. This blogpost outlines notable changes since the 0.16.0 release on November 21st.
You can conda install Dask:
conda install dask -c conda-forg... |
Полное руководство Python по созданию Telegram Bot с использованием python-telegram-bot
Telegram-боты - это увлечение которые позволяют вам играть в игры, находить друзей, находить новых ботов и даже создавать ботов - возможности безграничны. Сегодня я расскажу о том, как я создал telegram-бота для борьбы с пищевыми от... |
ç±»å«ä¸å¹³è¡¡é®é¢ï¼ä¹å«âé¿å°¾é®é¢âï¼æ¯æºå¨å¦ä¹ é¢ä¸´ç常è§é®é¢ä¹ä¸ï¼å°¤å ¶æ¯æ¥æºäºçå®åºæ¯ä¸çæ°æ®éï¼å ä¹é½æ¯ç±»å«ä¸å¹³è¡¡çã大æ¦å¨ä¸¤å¹´åï¼ç¬è ä¹æèè¿è¿ä¸ªé®é¢ï¼å½æ¶æ£å¥½å¯¹âäºä¿¡æ¯âç¸å ³çå 容é¢æå¿å¾ï¼æ以ææäºä¸ç§åºäºäº... |
Solution:
There is more possible solutions, however output is not same:
loc selects by labels, however iloc and slicing without function, the brgin bounds is added, while the upper bound is excluded, docs - select by positions:
test_inputs = pd.DataFrame(np.random.randint(10, size=(28, 7)))
print(test_inputs.loc[10:20]... |
TensorFlow 1 version View source on GitHub
A state & compute distribution policy on a list of devices.
tf.distribute.Strategy( extended)
In short:
To use it with Keras compile/fit, please read.
You may pass descendant of tf.distribute.Strategytotf.estimator.RunConfigto specify how atf.estimator.Estimatorshould distribu... |
Wildcards are special symbols that can be used to match characters in string values. TestComplete supports two standard wildcards: the asterisk (*) and the question mark (?). The asterisk wildcard corresponds to a string of any length (including an empty string). The question mark corresponds to any single character.
T... |
Fairseq distributed training is largely built on top of the distributed training feature provided by Pytorch. A couple important notes from their tutorial that will be useful:
The example provided in the tuorial is data-parallelism. It splits the training data to several different partitions and perform forward/backwar... |
Zdravím, mám trošku problém s widgetem Text z Tkinteru. Snažím se udělat pomocí něj něco jako dinamicky se měnící Entry. Nebo jinak: zařídit to tak, abych začínal s jednořádkovým Textem a ten se mi potom podle potřeby zvětšoval a zalamoval řádky... zkoušel jsem k tomu využít indexi, ale narazil jsem na problém, jeden j... |
Adapted from the answer to this question: Does Python have a built in function for string natural sort?
import re
def nat_cmp(a, b):
convert = lambda text: int(text) if text.isdigit() else text.lower()
alphanum_key = lambda key: [ convert(c) for c in re.split('([0-9]+)', key) ]
return cmp(alphanum_key(a), a... |
I am in need of some serious help, I recently tried to change the theme on my board and it turns out I changed it to one where files were missing and couldn't use my board or UCP, after searching round here I managed to get that issue sorted by downloading new files and doing the database_update.php routine. Which work... |
Yes with a custom piece of python code, as generally explained in the docs. Modifying the platformio.ini to
[env:attiny13]
platform = atmelavr
board = attiny44
upload_protocol = usbasp
board_build.f_cpu = 1000000L
upload_flags =
-v
-B 70
board_upload.extra_flags =
extra_scripts = post:fix_uploadflags.py
and addin... |
SOLVED Renaming the glyph problem
RafaÅ Buchnerlast edited by gferreira
Hi,
I'm renaming all glyphs in CurrentFont based on
glyphNameFormatter.reader.u2n.
To do that I'm using
RFont.rename(oldname,newname)script. After a few months of using this code, I have the following throwback (so far I saw it only on one, health... |
Hi guys
I have recently acquired a Tact Millennium amplifier. It's very old so the possibility of finding an original remote is slim.
Someone had uploaded a CCF file based on the remote to www.remotecentral.com.
I have utilised eventghost many times with a USB receiver, it's a great piece of software! I am wondering it... |
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