Tag：Serial number
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Information security operation – Copyright Protection
Description Alice and Bob are two programmers. They invented a word processing software paperwrite that is better than MS word. They can make the software into an installation CD and install it in Windows system. However, because they don’t know much about security technology, they are troubled by piracy and need your help. Design a […]
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Technology sharing | the meaning of pages flushed up to in show engine InnoDB status
Author: huchengqing Aikesheng DBA team member, good at fault analysis and performance optimization, personal blog:https://www.jianshu.com/u/a95…, welcome to discuss. Source of this article: original contribution *It is produced by aikesheng open source community. The original content cannot be used without authorization. Please contact the editor and indicate the source for reprint. There is a doubt that […]
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Linked list connection
Data structure linked list Novice learning, the code is still very rigid and inflexible. Looking forward to improvement. Environment: vc6 Language: C Running result: $is the end symbol and will not be read in$ qwe$ All elements are: qwe Total: 3 elements Find the content of the node, and the element sequence number is: 2 […]
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BiliBili animation download video batch rename (Python)
Bilib application Download blibli animation in Microsoft Store. Although the software UI is old, the key lies in stability and support for downloading Search the video you want after installation, and then cache the download Enter the download path after downloading Video file rename Open the program of automatic command or py script, and select […]
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Java automatically increases identity for an int (integer) field of enumeration type euum
The self increment of enumeration types in Java made by predecessors: Link:https://www.h5w3.com/177055.html 1 enum MSG_TYPE { 2 MSG_LOGIN(500), 3 MSG_LOGOUT, 4 MSG_REGISTER, 5 MSG_SEARCH, 6 MSG_ADD(600); 7 8 private int value; 9 10 private static int nextValue; 11 12 MSG_TYPE(){ 13 this(Counter.nextValue); 14 } 15 16 MSG_TYPE(int value){ 17 this.value = value; 18 Counter.nextValue = […]
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CSS:: marker makes text numbers more interesting
This article will introduce an interesting pseudo element in CSS::marker, using it, we can make our text serial number more interesting! What is:: marker CSS pseudo element::markerIs fromCSS Pseudo-Elements Level 3Start adding,CSS Pseudo-Elements Level 4A relatively new pseudo element, which has been supported by browsers since chrome 86+. With it, we can add a pseudo […]
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Plicp point cloud iterative nearest neighbor registration method
input parameter Polar coordinate set of point cloud a Point cloud a corresponds to the pose of lidar Polar coordinate set of Point Cloud B Point Cloud B corresponds to the pose of lidar Features Determine the starting position of point finding according to the radian relationship of two point clouds Set the stop conditions […]
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Elasticsearch advanced level (I) — version control
1、 Foreword Elasticsearch (hereinafter referred to as ES) supports high concurrency in data writing. High concurrency will bring common data consistency problems. A common solution is locking. Similarly, to ensure the data consistency of highly concurrent writes, ES adds a lock like implementation method — version control. Lock can be divided into optimistic lock and […]
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Teach you how to build a wheel with native JavaScript (II) – rotating chart (the content of the article has expired, so you can’t read it)
Note! The content of this article has expired. You can view the upgraded project directly. Related instructions:https://segmentfault.com/a/11… adoptPreviousThrough the study of this article, we have basically mastered the packaging and development process of a wheel. So this time, we will take you to develop a more difficult project – the rotation diagram, hoping to further […]
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Writing general information release program with JSP
Information release interface Provide an interactive interface for publishing information and call recordmessage JSP program. sayMessage.jsp < HTML > < head > < title > information release < / Title ><META content = “text/html; charset=GB2312” http-equiv = Content-Type> <LINK href =”css_01.css” rel = stylesheet> <META content = “MSHTML 5.00.3103.1000” name =GENERATOR> </HEAD> <BODY> <％ @ […]