Programmer Think

Title Description An ASCII code file is known. The file name is dict.dic. The file only contains the characters in the ASCII code, which can correspond to the integer 0-127. We divide the characters in ASCII code into four categories. The first category is uppercase letter "A-Z", the second category is lowercase letter "A-Z&quot ...

Go replaces (overwrites) a line of the file 1. Foreword There is such a requirement. After finding a line of content with a keyword in the file, we replace the line with the new content we need, such as modifying the network configuration file, modifying the picture address, modifying all keywords in the code, etc., which is similar to ...

1. General Reprint: https://zhuanlan.zhihu.com/p/143957734 And modify The reason is that I encountered such a query when I inquired GET /xxx-000001/_search { "query": { "bool": { "filter": { "query_string": { "query": """srcAddress:192*""" } } } } } Can you find it? I remember that in the ...

In the previous article, we learned how to integrate SpringBootAdmin for monitoring and other operations by using Consul registration discovery in microservices. In this article, we learn how to integrate SpringBootAdmin in Zookeeper registry. Introduction to Zookeeper ZooKeeper is a software project of Apache Software Foundation. It provides ...

Install brew The following script is used for domestic brew installation: /bin/zsh -c "$(curl -fsSL https://gitee.com/cunkai/HomebrewCN/raw/master/Homebrew.sh)" Install hive brew install hive Hide execute sql statement hive can directly convert sql statements into mapreduce code (the link below is very good) https://geek-docs.com/hive/ ...

preface When talking about event distribution, many friends will think of the dispatchTouchEvent of view. In fact, Android has done a lot of work before that. For example, how to get input events across processes? Is there an InputStage responsibility chain before the dispatchTouchEvent responsibility chain? Transfer order between DecorView a ...

What is the fastest way for human beings to read information? Accessories > Video > Image > text What is your favorite content medium? Text > Image > Video > Accessories Is there a two pronged approach to the interaction between humans and computing? How should the progress of science and technology feed back human productio ...

1. Include header file #include <sys/types.h> #include <sys/socket.h> #include <sys/un.h> #include <arpa/inet.h> #include <unistd.h> #include <string.h> #include <time.h> #include <stdlib.h> #include <stdbool.h> 2. Set src and dest, and define a global socket at the same time. We take the ...

Ramble Yesterday, I happened to encounter a small problem with enumeration, and then found that I am not so familiar with it. Then in development, enumeration is used very much, so I have today's article. What is enumeration Enumeration in Java is a type, just as the name suggests: it is enumerated one by one. Therefore, it generally represe ...

####Basic use of uni app Course introduction: Basic part: Environment constructionPage appearance configurationData bindingThe life cycle of uni appUse of componentsStyle learning in uni appUsing Font Icon and opening scss in uni appConditional annotation cross end compatibilityEvents in uniNavigation jumpComponent creation and communication ...