Python

Python's decorator is similar to java/c# 's annotation in its use, which is to decorate something for this method by adding a @xxx annotation to the method name. However, Java/c# 's annotation is also very daunting, too TMD complex, you want to play

2015 's stock market is now the hot topic, colleague's friend has made a simple bomb stock to spit the Trough single page PV can reach the 30w+, corresponds to this blog one year PV quantity. So stand on the technical point of view, here also write

Reverse () method Reverses the ordering of elements in a list, such as the following >>> x = [1,5,2,3,4]>>> X.reverse ()>>> x[4, 3, 2, 5, 1]Reverse list Reverse Sort: stores the order of elements in the original list from left to right without

The server_name in flask mainly do two things: Assists flask to generate an absolute URL outside of an active request (request) (such as embedding a site URL in a message) For child domain name support Many people mistakenly think

Brief introduction The Python sequence (sequence) usually refers to an iterative container in which any type of element can be stored. Lists and tuples are the most commonly used sequences of data types, there are six of Python's built-in sequences,

Calculations related to dictionary values Problem You want to calculate the value of a dictionary, for example, to find the item with the largest (smallest) corresponding value in the dictionary. Solution One: Suppose you want to find the item

First look at the Zeplin color value display sample Original processing mode Because I would python (only the terminal input Python and then use it as a calculator, or hex() convert decimal to hexadecimal in a function), I would certainly use

This is done last year, a web vulnerability scanning gadget, mainly for simple SQL injection vulnerabilities, SQL blind and XSS vulnerabilities, the code is seen GitHub foreign great God (heard to be one of the writers of SMAP) two small tools

First step, open the file, there are two functions to choose from: Open () and file () ①. f = open (' file.txt ', ' W ')...File.close () ②. f = file (' File.json ', ' R ')... File.close () #记得打开文件时最后不要忘记关闭! Open () and file () are Python

As a concept, regular expressions are not unique to Python. However, regular expressions in Python have some minor differences in actual use. This article is part of a series of articles about Python regular expressions. In the first article in

>>> "Hello". Encode ("hex")' 68656c6c6f ' The corresponding can also >>> ' 68656c6c6f ' decode ("hex")' Hello ' I checked the manuals, and these codec are available. Codec Aliases Operand type Purpose

Easticsearch data migration to Influxdb pythonRequirements: Easticsearch part of the data is migrated to Influxdb.See from Mysql,influxdb migration to Easticsearch, not seen from easticsearch migration to Influxdb, the migrated data is some

Recently learned the next fabric, python similar features of the tool many, the reason for the choice of fabric, the first is that it is not much syntax, easy to get started, the second is its syntax logic, scripting more in line with the Python

Base64 is a method that uses 64 characters to represent arbitrary binary data.exe jpg When we open these files with Notepad, pdf we all see a lot of garbled characters, because the binaries contain many character that can't be displayed and printed,

The CHR () function returns a corresponding character by using an integer (that is, 0~255) within range (256) as a parameter.UNICHR () is just like it, except that the Unicode character is returned, and the parameter range of the UNICHR () added

Vamei source: Http://www.cnblogs.com/vamei Welcome reprint, Please also keep this statement. Thank you!Python is my favorite language, concise, beautiful, easy to Use. Two days ago, I was passionate about advertising the benefits of Python to my

Solution to Python web crawler garbled problem, python Crawler There are many different types of problems with crawler garbled code, including not only Chinese garbled characters, encoding conversion, but also garbled processing such as Japanese,

Python enables applications to add the open mode function in the context menu, and python context menu Recently, a small tool developed by the project team wants to add an open method in the right-click menu. The youdao cloud note is used as an

Deployment summary of nginx + python + fastcgi in linux (django version)Note: Although this article has successfully set up an instance for django to run fastcgi, many problems have been found during actual operation, such as program execution