Programmer Think

catalogue 1, Linux Application Foundation 1. Relationship between application program and system command  2. Common package encapsulation types 2, RPM package management tool 1.Red-  Hat Package Manager 2.RPM software package 3.rpm command function 4. Query RPM package information 5. Install, upgrade and uninstall RPM software pac ...

summary This paper mainly introduces the common Linux kernel parameters and the treatment of related problems. View and modify Linux instance kernel parameters Starting from the actual needs, try to have the support of relevant data, and it is not recommended to adjust the kernel parameters at will.To understand the specific functions of ...

If you are Xiaobai, this set of information can help you become a big bull. If you have rich development experience, this set of information can help you break through the bottleneck 2022web full set of video tutorial front-end architecture H5 vue node applet Video + data + code + interview questions. catalogue 1, Meet Promise (1) Relevant ...

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1. PCB on Linux 2. Process State Transition 1.Tristate 2.Pentastate 3.ps command. //Static View Process ps aux(View all current processes) | ajx 4.top command //View process dynamically 5.kill command //Kill Process kill -9/SIGKILL pid Force Kill Process killall -name Process name Kill by process name 6. Process re ...

introduction As Android developers, I believe we must be very familiar with the Message mechanism, and we must be in charge of using Handler to process messages. If you are allowed to use the simplest way to realize interprocess communication, a considerable number of beginners may think of using AIDL to realize it themselves. It is true t ...

Catch all Redis Lua script concurrent atomic combination operations 1. Preface Redis is a high-performance KV in memory database. In addition to its basic role as a caching middleware, it also has many uses, such as what Pangge shared before Redis GEO geographic location information calculation . Redis provides a wealth of commands for us to ...

Using RUST to write the actual combat of streaming media server -- rtmp chunk stepping on the pit record In recent months, I've broken my guard and focused on a new open source project, a streaming media service written in trust xiu. I stepped on a lot of holes in the process of implementation. Today, let's talk about the chunk in rtmp. RTMP p ...

PS: This article is a reprint of the article. It will be more readable to read the original text. There is a link to the original text at the end of the articlecatalogue1. Node search of binary tree 1,1 Preorder traversal search 1,2 Middle order traversal search 1,3 Post order traversal search 1. Node search of binary tree1. 1 preorder tr ...

T1: sequence query This question can be queried up to 10000 times. If recursion is used only, there will be multiple repeated calculations. Therefore, an array can be used to store the results calculated in the recursion process. When querying f(i), if f(i) has been calculated before, it can be output directly; If it has not been calculated, ...