Tag：python
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Time：2020-1-19
In the process of programming, we often encounter a small problem – Microsoft Windows uses backslash characters between folder names, while almost all other computers (operating systems) use forward slashes: Windows filenames: C:\some_folder\some_file.txt Most other operating systems: /some_folder/some_file.txt This is due to a small accident in the history of computers in the early 1980s. […]
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Time：2020-1-18
This is one of the articles in the flash source code analysis series. The list of all articles in this series: Flash source code analysis: Introduction Flash source code analysis: application startup process Flash source code parsing: Routing Flash source code parsing: Context Flash source code parsing: request Context (application context and request context) Context […]
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Time：2020-1-18
Time flies fast. It’s two weeks since the last article in this series, “commercial 4G agent building guide [preparation],” was released. Last week, due to all kinds of trivia, I had no time to write articles since Tuesday, so I googled. In the preparation part, we have learned about the hardware and software needed to […]
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Time：2020-1-18
I started my first blog for beginners, recording every bit of learning, as a memo, and I hope to share with you. I hope you can correct the mistakes. I refer to the introduction of multithreading in python (http://www.cnblogs.com/fnng/p…), which is very introductory and detailed. This paper introduces the basic usage of threading. The simplest […]
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Time：2020-1-17
supervisor 1、 Install supervisor installation Note: all of the following operations are performed in centos7 1. Install centos7 extended software warehouse sudo yum install -y epel-release 2. Install Supervisor yum install -y supervisor 3. View the installation path rpm -ql supervisor 4. Modify and define INI file step1: Find the file of the supervisor’s configuration. […]
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Time：2020-1-17
Chapter 4: Python environment configuration Using environment tools Python environment tools Python 2.7.5 ා python2 version, built in the system PIP 9.0.1 (python2 version), python toolset, compilation and installation Virtualenv 15.1.0 – python2 version virtual environment dependency, PIP installation Virtualenvwrapper 4.8.2 – used with virtualenvwrapper, PIP installation Setuptools 38.5.1 – Python toolset, compile and install […]
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Time：2020-1-17
This is one of the articles in the flash source code analysis series. The list of all articles in this series: Flash source code analysis: Introduction Flash source code analysis: application startup process Flash source code parsing: Routing Flash source code parsing: Context Flash source code parsing: request Flash source code analysis: response brief introduction […]
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Time：2020-1-15
This is one of the articles in the flash source code analysis series. The list of all articles in this series: Flash source code analysis: Introduction Flash source code analysis: application startup process Flash source code parsing: Routing Flash source code parsing: Context Flash source code parsing: request Flash source code analysis: response Introduction to […]
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Time：2020-1-15
It will take about seven minutes to read this article. 1. What is legb in Python Legb refers to the variable scope problem in Python, where 50: The local local variable, which only exists in the function, is stored in the stack, and its life cycle will be released at the end of the function. […]
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Time：2020-1-15
During the use of pycharm, the coding format of each new file and some personal information about the code writer can be filled in quickly as follows: 1. Open pycharm, select file settings (Ctrl + Alt + s), and then select editor — color & Style — file and templates — Python script You can […]
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Time：2020-1-14
httpThe protocol is that every time the client sends arequest, the server returns aresponse, the server cannot send data to the client actively. We are going to make a web chat room. When one person sends a message, how can others see it? One way to do this is to keep running on the webjsSendrequestTo […]
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Time：2020-1-13
This project is from the 6th issue of “building + data analysis and mining practice” of the experimental building. “Building + data analysis and mining practice” is a course content customized for the junior engineer of data analysis or data mining in the experimental building. It includes 35 experiments, 20 challenges, 5 comprehensive projects and […]
