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Real high-level usage of vim (visual mode, last line mode, edit mode) As a powerful, reliable and efficient text editor, vim is deeply loved by users who use Linux system. It is no exaggeration to say that they will not use vim text editor. Even if sed, awk and grep swordsmen use it again 6, they are helpless in the face of massive text conten ...

Recently, we need to process the crash stack information collected by google play console Everyone who has used it knows that the information it collects, and each stack type information is separated from different pages When you quickly open it manually, it will even give you an error. I guess it's anti reptile At first, I thought that the off ...

Python is a scripting language. Compared with C/C + +, it has some shortcomings in efficiency and performance. However, there are many times when the efficiency of Python is not as exaggerated as expected. Let's move on to the topic. 1. Code optimization principle This article will introduce a lot of techniques to speed up the running of ...

1. Introduction Compared with the old ew introduced in the previous article, frp is much better. Basically, a new version will be released every few days, and the latest version will be updated just a few days ago. In actual combat, frp is also widely used. frp project address: https://github.com/fatedier/frp As for download and installation ...

Perfect version of kettle to realize data incremental synchronization preface Some time ago, there was an operation of using kettle to realize data synchronization, including Installation and configuration of kettle, creation of job, creation of translate, etc. At that time, the time point of dead writing was used (that is, the data wil ...

The branch is the parallel universe in science fiction movies. When you are trying to learn Git in front of the computer, another you are trying to learn SVN in another parallel universe. If two parallel universes don't interfere with each other, it won't affect you now. However, at a certain point in time, two parallel universes merge. As a r ...

Original statement: This article is original by the author (Magic good), which can be used as learning reference reprint, but the source should be indicated. It is forbidden to use it in commercial and other ways without permission, otherwise you will bear the consequences! Preface overview With the increasing complexity of development scen ...

Compared to languages such as java, MATLAB can be too powerful in matrix calculation. If only Java could directly adjust MATLAB. Sure! By chance, I found this idea and tossed around for several days. (Some of the drawbacks are that it costs a lot of money to invoke and we don't know how to make a reasonable call yet,) MATLAB Compilation Scr ...

Create your own Python IDE development tool with Tkinter (2) to realize Python code execution and output information In the previous article, we introduced the implementation of the editor. This article describes how to implement Python code execution and output information. To execute Python code, we use the function exec(). Its usage is as fo ...

1. What is TD agent TD agent is a log collector, which provides rich plug-ins to adapt to different data sources, output destinations and so on In use, we can collect information from different sources to different places through simple configuration, and first send it to fluent D, and then fluent D forwards the information to different place ...