New Year's Eve Special Edition teaches you how to develop WeChat Public Number

Article Directory Article Subject Setting up development environment Access to WeChat Public Platform Fill in server configuration Verify that the message really came from the WeChat server receive messages Reply message Chat Robot Reply to Text Message Custom Menu Menu response Template message S ...

Posted on Thu, 23 Jan 2020 21:20:34 -0800 by stig1

Spring Boot Integration - MongoDB Integration 2 (MongoDB Entity Creation and Simple CRUD)

Front of Article About Versions rely on Edition springboot 2.0.8.RELEASE mongodb 4.0.14 This content is just to introduce the most basic use and configuration of mongodb. As a well-known database, it has quite a lot of advanced usage. It will expand to introduce a lot of content. Of cours ...

Posted on Thu, 23 Jan 2020 21:06:36 -0800 by rusty1001

[bzoj2683] Simple Question: 3-D Partial Order cdq Dividing

Topic: Given a matrix of n_n n_n(n < 1e5)n < 1e5), single point modification, interval query. Ideas: A two-dimensional tree array?The space is not open. That's another way to remember that when you used cdq division to make a tree array before, the answer to each query was modified in front of it and the location of t ...

Posted on Thu, 23 Jan 2020 09:09:19 -0800 by crunchyfroggie

Row and column selection of DataFrame of pandas

Pandas can be selected according to the column name, or according to the position of the column (number, in the row and column, note that the position of pandas column starts from 0). The correlation functions are as follows: 1) loc, based on the column label, select a specific row (based on the row index); 2) iloc, position ...

Posted on Thu, 23 Jan 2020 08:47:58 -0800 by my800stuff

Basic operation of react (1)

1. Create react component The first step is to introduce the following three libraries: react.min.js - the core library of react React dom.min.js - provides DOM related functionality babel.min.js - Babel can convert ES6 code to ES5 code, so that we can execute React code on browsers that currently do not support ES6. Babel has built-in supp ...

Posted on Thu, 23 Jan 2020 08:37:39 -0800 by php-coder

iOS UITableView load webView highly adaptive

As we all know, after IOS 8, apple added WKWeBView. Before that, everyone used UIWebView. I have been using UIWebView since I came out. Recently, I heard that UIWebView will expire in the future, so this article takes WKWeBView as an example Implementation principle: Customize UITableViewCell, add scrollView to cell, and then ...

Posted on Thu, 23 Jan 2020 07:56:21 -0800 by Eminem

What is the best way to remove accents from Python unicode strings?

I have a Unicode string in Python, and I want to remove all accents (diacritics). I found an elegant way to do this in Java on the Internet: Convert Unicode strings to long normalized format with separate letters and diacritics Delete all characters of Unicode type "diacritical". Do I need to install libraries like pyI ...

Posted on Thu, 23 Jan 2020 07:53:20 -0800 by Deanznet

2020 zero base to rapid development of Vue, quanjiatong, e-commerce management system (element UI) Order Management

Article directory 1, introduction 2. Classification parameters 2.1 rendering order list page by route 2.2 get the order data list by page 2.3 rendering order table table 2.4 realize paging function 2.5 realize the data linkage effect of provincial, urban and county 2.6 display logistics progress dia ...

Posted on Thu, 23 Jan 2020 07:21:03 -0800 by jqa

The solution of Sqlachemy cannot be queried in other functions in Flask

Interception of error information: File "D:\python 3.5\lib\site-packages\flask_sqlalchemy\__init__.py", line 912, in get_app 'No application found. Either work inside a view function or push' RuntimeError: No application found. Either work inside a view function or push an application context. See http://flask-sqlalchemy.pocoo.org/con ...

Posted on Thu, 23 Jan 2020 07:20:59 -0800 by Lefu

[freecodecamp] Exact Change cash register program

Requirement A cash register is designed, which takes the purchase price as the first parameter, the cash as the second parameter, and the change in the cash register as the third parameter cid is a two-dimensional array that holds the currently available change Returns the string "Insufficient Funds" when there is ...

Posted on Thu, 23 Jan 2020 06:44:19 -0800 by newbieaj