Python

Python's logging module provides a common logging system, and skilled use of the logging module makes it easy for developers to develop third-party modules or their own Python applications.Python uses the logging module to log logs involving four

The string "File1 alias File2 45332" becomes a list, but after the conversion all the elements become string types, the number "45332" into an integer, but does not affect other elements.#A function that determines whether a custom is an integral

1. IntroductionHow many lines of code do you need to convert hex into disassembly?Thanks to the Python Capstone Library, it only takes five elements to do this.In binary analysis, when exploit development or reverse engineering is performed, it is

One, JSON & Pickle & Shelve ModuleJSON, used to convert between string and Python data typesPickle for conversion between Python-specific types and Python data typesThe JSON module provides four functions: dumps, dump, loads, loadThe Pickle module

Python2 and Python3 in a little bit different, but for programming is not too big difference, in the release notes, Python2 official support until 2020, so when learning to use Python3 version: 1, the difference between print,    In Python2, you can

"Directly on the code"#coding =utf-8#1, first compile the string form of the regular expression into a pattern instance#2, using the pattern instance to process text and get matching results#3, finally get the message using the match instance, and

Some problems in the world seem to be random (stochastic), there is no regularity, but it is possible that humans have not discovered and mastered the laws of such events, so they are random.Random Walk is a method of solving random problems, which

Before the Python Nose Test framework Comprehensive introduction of the nose framework of the basic composition, but in the actual should we will go to setup_function and other names, after viewing the pipe network, we list the next nose framework

One, Python multi-version configuration instructionsInstalling Python-dependent dependencies[[Email protected] ~] # Yum install-y gcc make patch gdbm-devel openssl-devel sqlite-devel readline-devel zlib-devel bzip2-develInstalling the Git

General: Use Python's own PIP library to install, PIP install requestsSpecial Case: Installation failedUse the offline method to install the requests library: Download the offline package firstUnzip the offline package to

1. Why use a function?(1) Too many code repetitions (2) Poor readabilityBenefits of using Functions:(1) Code reuse(2) Maintain consistency, easy maintenance(2) Scalability2. Initial function definition and invocation definition of a function def

Python's default encoding is ASCII, when non-ASCII encoding occurs in the program, Python processing often reported such a mistake, Python can not handle non-ASCII encoding,You need to set your Python default encoding at this point, which is

first edited October 27, 2017, FridaySummaryI. Last Class reviewTwo. iteratorsThree. GeneratorFour. The co-process functionHomeworkSummary todaySummaryReferences: Alex Iterators Generator Co-process function I. Last Class

Class Members:# field-Normal field, save in object, execute only through object access-static fields, which are saved in the class, can be accessed through the object or accessed through the class# method-Normal method, saved in class, called by

Log for the program to run and technical personnel is very necessary and very important, troubleshooting is generally from the analysis program to run the log, and then the complexity of the large program must have a log input, otherwise, even if

1. The View layer Routing configuration system (views)The URL configuration (URLconf) is like the directory of the Web site that Django supports. Its essence is the mapping table between the URL and the view function that you want to call for that

002 list and metadata, 002 list tuples It should be similar to array, but there are many built-in methods.# DefinitionA = ["wuchao", "jinxing", "123", "456", "789", "110"]Basic operations# SlicePrint (a [1: 4])Print (a [2:]) # If the last one is

Main differences between Python2 and 3: differences between Python2I. print Print is a statement in python2, and print exists as a function in python3. # python2>>> print ("hello")hello# python3 >>> print ("hello")hello   In this case, there seems

How to Use Python-iGraph to draw the friend relationship diagram of the post/microblog, and use python-igraph to draw Preface I have encountered some requirements in my recent work. I want to display the friend relationship of a specific user on the

Pickle module Data Object Persistence operation, pickle module object The Pickle module is used to store persistent (serialized) data.So I will first explain what is serialization and deserialization, what is object serialization, and object