Use Decorator to Check User Operating Rights

Suppose we use flask for development, we need to check whether the current user has some operational privileges. from flask import abort from flask_login import current_user from .models import Permission Let's start with the simplest case. f is an operation function, such as adding comments. Then users need Permission.COMMENT to add comments.T ...

Posted on Mon, 19 Aug 2019 07:08:37 -0700 by mazzzzz

Python Grabs Stock Data of Securities Star

Links to the original text: https://www.jianshu.com/p/85d52ecfb529 Data acquisition is an indispensable part of data analysis, and web crawler is one of the important channels for data acquisition. In view of this, I picked up Python as a sh ...

Posted on Mon, 19 Aug 2019 00:58:37 -0700 by Grunge

Python is used to analyze the "garbage classification" of the barrage in Station b. What do you say?

What do you say about "garbage classification"? Analysis of the Barrage Curtain of Station b by Python Catalog 1 Environment 2. Demand analysis 3 Code Implementation 4 postscripts Wet tissue is dry garbage? Is melon seed peel wet garbage ag ...

Posted on Sun, 18 Aug 2019 22:47:23 -0700 by supanoob

https://mp.csdn.net/mdeditor/99712337

Last time you played Sudoku ( Sudoku by friends?python seconds solution only knows how to cut down? ) things to Lao Wang Qi...This time I took out the photo directly to see how he reacted. Xiao Pang wants a combination of numbers this time to see what happens to him. As a qualified programmer, how can I not understand how the QR code is generat ...

Posted on Sun, 18 Aug 2019 18:09:35 -0700 by msimoes

Look through the world, you will have code in your heart

Last time you played Sudoku ( Sudoku by friends?python seconds solution only knows how to cut down? ) things to Lao Wang Qi...This time I took out the photo directly to see how he reacted. Xiao Pang wants a combination of numbers this time to see what happens to him. As a qualified programmer, how can I not understand how the QR code is generat ...

Posted on Sun, 18 Aug 2019 17:42:41 -0700 by Amman-DJ

LeetCode 133: Clone Graph

Title: Given undirected connected A reference to one of the nodes in the graph, returning the deep copy (clone).Each node in the graph contains its value val (Int) and a list of its neighbors (list[Node]). Given a reference of a node in a connected undirected graph, return a deep copy (clone) of the graph. Each node in the graph contains a val ...

Posted on Sun, 18 Aug 2019 17:10:37 -0700 by mmorton

SQL Alchemy of Python Full Stack Road Series

SQL Alchemy is a Python SQL toolkit and object relational mapper that allows application developers full functionality and SQL flexibility. It provides a complete set of well-known enterprise-level persistence patterns, specifically for efficient and ...

Posted on Sat, 17 Aug 2019 02:18:37 -0700 by danoli3

Brief analysis of re module in python

Grouping function of re python's re module has a grouping function. The so-called grouping is to filter out the required content from the matched content, which is equivalent to secondary filtering. Grouping is achieved by parentheses (), and the content of scoring groups is achieved by group(), groups(), and groupdict(). Several important met ...

Posted on Fri, 16 Aug 2019 08:14:24 -0700 by geoffjb

Detailed Intermediate in Django 2.2

Middleware is a hook framework used by Django to process requests and responses. It is a lightweight, low-level "plug-in" system for global control of Django input or output, which can be understood as a built-in app or small framework. In the django.core.handlers.base module, how to access the middleware is defined, which is also one ...

Posted on Fri, 16 Aug 2019 06:20:29 -0700 by pranav_kavi

I was forced to learn these Python efficient programming skills because of the project's progress.

In the work, we often have to deal with all kinds of data. It is easy to waste time writing functions when we meet the project schedule. Python has many built-in functions to help you improve your work efficiency! First: In the list, the dictionary ...

Posted on Fri, 16 Aug 2019 06:08:55 -0700 by sabbagh