[Python]sqlite3 binary file Storage problem (BLOB) (You must "not" use 8-bit bytestrings unless ...)

The thing is this:Bloggers try to use the Python sqlite3 database to store encrypted user name password information, the table is like thisCREATE TABLE IF not EXISTS user (UserID INTEGER PRIMARY KEY autoincrement,userstudentid BLOB not NULL UNIQUE

Debugging a Python process using GDB

Debugging a Python process with gdb sometimes we want to debug a running Python process, or a Python process coredump. For example, now encountered a MOD_WSGI process zombie, do not accept the request, want to see exactly what line of Python code to

High performance Python notes (Python is a good language, and all-stack programmers use it!) )

High performance PythonDirectory 1 Understanding Performant Python 2 Profiling 3 Lists and tuples 4 Dictionaries and sets 5 iterators and Generators 6 Matrix and Vector computation 7 Compiling to C 8 Concurrency 9 Multiprocessing

Errors and format conversions caused by Unicode and non-Unicode codes in Python

1.1. Question ProblemYou need to deal with data, doesn ' t fit in the ASCII character set.You need to handle data that is not suitable for the ASCII character set.1.2. Resolve SolutionUnicode strings can be encoded in plain strings in a variety of

Python brute force hack password script

Python brute force hack password scriptThe following, only for the individual test code, the environment is a test environment, the principle of brute force is the same,Suppose to brute force the login website www.a.com user testuser password,First,

Python pseudo-developer for Sohu Cloud View evaluation

Python pseudo-Developer's assessment of Sohu Cloud ViewI am a fan of Gae and OpenShift and have played various foreign PAAs. A Python web program that wants to get a little more complicated, needs a better network transfer speed, and tries to find

[Python] Several ways to send email

Python send email is still relatively simple, can be sent by the login mail service, Linux can also use the call SendMail command to send, you can also use local or remote SMTP service to send mail, whether it is a single, Mass, or CC is easier to

Pyside qthread working with Python logging Module

In fact, the two can work together normally.The only drawback is that logging displays such records. 2011 - 07 - 02 23 : 14 : 18 , 154 - Dummy-1 - Thread - Debug - This Is Qthread_1 output 2011 - 07 - 02 23 : 14

Python supplement 02 my python tips Python quick tutorial

Author: vamei Source: http://www.cnblogs.com/vamei welcome reprint, please also keep this statement. Thank you!   Here are some tips I have learned when using python. These skills are frequently used when I use python. I recorded it in my

Python performance chicken soup, very effective to improve the performance of tips

Part 1 Read Zen of Python and input import this in the python parser. A novice Python may notice the word "resolution" and think that python is just another scripting language. "It must be slow! " There is no doubt that the python program is not

Python uses the popen of subprocess to call system commands

When we need to call system commands, we should first consider the OS module. Use OS. System () and OS. popen () for operations. However, these two commands are too simple to complete complex operations, such as providing input or reading command

Python tutorial (3): an informal introduction to Python

Document directory 3.1.1 numbers 3.1.2 string 3.1.3 about Unicode 3.1.4 list In the following example, the input and output are distinguished by a prompt (>>> and. To redo the example, after the prompt appears, all the input content must be

Batch operation of remote host scripts written in Python (command execution, file upload and download)

Batch operation of remote host scripts (command execution, file upload and download) Written in Python 12:53:44Tags: Servers Script SSH Python Centralized management of original works, reprinting allowed, please be sure to mark the article in

Python socket programming tutorial

  Python socket programming tutorial[Copy link]     Direct elevatorLandlordPosted on 14:56:10| View only the author | view in reverse orderShare:

I want to keep up with Python, use while for loop, and learn python

I want to keep up with Python, use while for loop, and learn python In python, it also has this meaning, but the difference is that "when... "This condition is set up within a certain range or interval, so that python can do many things during this

Python multi-thread instance tutorial and python instance tutorial

Python multi-thread instance tutorial and python instance tutorial This article describes in detail the multithreading of Python in the form of examples, which is a very important knowledge point in Python programming. Share it with you for your

Create a calendar instance in Python and a calendar instance in python

Create a calendar instance in Python and a calendar instance in python This article describes how to create a calendar in Python. Different from the past, this example does not use the calendar implementation provided by Python. I believe it will be

[Python] Google Translate applets

A translation function is used in the project, that is, after the translation is submitted to Google, the returned results are obtained. First, find out the context of Google translation:Request Processing After submitting the translation, check

Write simple games and learn programming languages-python

The animation examples written in the previous article are not counted as a game. Most of them are graphic operations performed using pygame. Today, we started to implement a small game: The Legend of the war of cool. The name is very mysterious. It

Introduction to using the OS. path. isdir () function in the Python Programming Language

The Python programming language is a very powerful computer language. The Python programming language has very simple skills in actual operations, today we will introduce how to use the OS in the Python programming language. path. isdir () function

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