#-*-Coding:utf-8-*-from splinter.browser import browserfrom time Import sleepimport traceback# Initialization information # username, password username = U "username" passwd = u "Password" # cookies are worth looking for yourself starts = u
Python programming is known, Python package installation is very convenient, usually can be pip to install:sudo pip install For PIP installation, please visit: https://pip.pypa.io/en/stable/installing/Recently because of the project needs, released
Threading ModuleThreads have two ways of callingCall directlyImport threadingimport timedef sayhi (num): # Defines the function to be executed by each thread print ("Running on number:%s"% num) time.sleep (2) if __ name__ = = "__main__": T1 =
Tried for a long time to log on always show: System busy, please refresh,,, too tortured people, engaged for a half a day to think is the question of the request head ....Verification code or to manually identify the
One. Parallel iterations.If the parallel iteration, the first push zip () Function!!!For example, there are now two of the same length of the list, the two lists, the index position of the same value is associated, now you have to traverse the
Regular expressions are composed of characters and operators. Represents any single character[] Character set, given a range of values for a single character [ABC] or a relationship [a-z] representation[^ABC] means something other than this is not a
Django SignalDjango internally provides a "signal strength" processing mechanism, a simple understanding is that when Django after receiving a request to do certain internal operations before the signal, to remind some recipients or do the operation,
today did a very simple small project, feel the Paramiko module of the powerful, but also feel that their own Linux power not ~ ~
First, the demand
Second, simple requirements analysis and flow chart
With few requirements, I'll simply say:1. Host
Table of Contents
[TOC]
Often encountered this situation:
The python that comes with the system is 2.6 and needs some of the features in Python 2.7;
The system comes with Python 2.x, it needs Python 3.x;
There is a need to install multiple Python in
HEAPQ is a python built-in module with source code located in lib/heapq.py, which provides a heap-based prioritization algorithm.
The logical structure of a heap is a fully binary tree, and the value of the parent node in the binary tree is less
Some of the information on the web based on their own additions to the new content, is a Python socket programming practiced hand bar.
#coding =utf-8import socketimport timeimport sysimport structimport threadingfrom Threading Import Thread,
This article mainly details Python use executemany notes, very good, with reference value, the need for friends can refer to the following
If you are using Executemany to BULK insert data, be aware of the following:
#coding: Utf8conn =
The new Python class is introduced in version 2.2, and we can call the previous Class A classic or a legacy class.
Why introduce the new style class in 2.2? The official explanation is:
In order to unify classes (class) and types (type).
Before 2.2,
Recently in the use of Python interface testing, found Python in the HTTP request method There are many kinds of, today take some time to organize the relevant content, to share with you, the specific content is as follows:
One, Python comes with
This article mainly describes the Python return true or false (real) small tricks, this article discusses the most concise conditional judgment sentence wording, this article gives two concise wording, the need for friends can refer to the next
Different binary
Binary 0b101
A binary number that starts with the number 0 and the letter B will throw a SyntaxError exception if a number greater than or equal to 2 appears
Octal 0711
Numbers preceded by number 0 indicate octal numbers if a number
Python automated development (4): binary operations, simple nested loops, and basic file operations,
Python automated development (4): binary operations, simple nested loops, and basic file operations
Judge include, Judge 4 is not in the list
If 4
Python automated Development (2): HelloWorld program, variables and assignments, user interaction, condition judgment and indentation, loop control, pythonhelloworld
You can use vim in shell to edit the py file, or use pycharm to write the code,
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