Research on MySQL coding

preface It was in 2002, and MySQL 4.1 began to support UTF-8 coding RFC 2279 It is stipulated that the code uses 1 ~ 6 bytes to store a single character, and MySQL developers checked it in September of the same year Source code The UTF-8 encoding is changed from the maximum 6 bytes to 3 bytes, so there is the current UTF8MB3. As we all know, U ...

Posted on Tue, 07 Dec 2021 02:36:02 -0500 by misterguru

2021.12.5 simple minesweeping game implemented in c language

catalogue Overall idea: (test. C) (game. H) (game. C)  ) Step 1:   (game start interface) Step 2:   Initialize and print mine disk Step 3: lay lightning Step 4: mine detection   game .h   Document code summary: test .c   Document code summary: game .c   Document code summary: Try: For beginners, i ...

Posted on Tue, 07 Dec 2021 01:34:08 -0500 by akluch

Django entry practice to achieve a simple library management system

Web development, that is, writing websites, is a major application direction of Django. Django is one of the most popular python web frameworks. Many students want to know about this learning case. Today we will share one with you: using Django to realize the library management system There is no need to write sql and the front end. Using th ...

Posted on Tue, 07 Dec 2021 00:46:19 -0500 by herod1

The most complete network: Jetpack AAC (-) analysis

Original link: https://juejin.cn/post/689387...Android 35 contentJetpack5 contentsLifecycle 1 contentAndroid architecture component 5 contents1, Introduction to Android Jetpack1.1 what is jetpackThe official definition is as follows:Jetpack is a suite composed of multiple libraries, which can help developers follow best practices, reduce templa ...

Posted on Tue, 07 Dec 2021 00:06:25 -0500 by chrischen

Avatar animation - wechat applet + flame back end calls AnimeGanV2

I wrote an article before< Surpassing the previous work and realizing the transfer of animation style -- AnimeGANv2 >, it is mentioned that AnimeGANv2 is used to realize character animation and generate a unique and precious avatar. However, the operation is a little troublesome, so I hope to make a small program to generate my own animat ...

Posted on Mon, 06 Dec 2021 19:52:26 -0500 by jkohns

Java image to character output example demo

Java image to character output example demo The previous blog posts introduced the use of jdk to do some interesting conversion of pictures. Next, we will introduce an interesting way to output a two-dimensional character array directly according to the pictures to realize the scene of painting with characters You may have seen some inter ...

Posted on Mon, 06 Dec 2021 18:22:43 -0500 by pinxue

Java Concurrent learning: source code analysis of non blocking concurrent queue based on CAS

Today, let's talk about concurrent linkedqueue The ConcurrentLinkedQueue we are going to learn today does not implement the BlockingQueue interface. It is a thread safe and unbounded non blocking queue that completely uses CAS operations. Structural composition public class ConcurrentLinkedQueue<E> extends AbstractQueue<E> ...

Posted on Mon, 06 Dec 2021 16:48:18 -0500 by Stelios

N suggestions for improving Java programs

The day brings several suggestions related to String operation, such as fine products and fine products. Recommendation 54: use String, StringBuffer and StringBuilder correctly The CharSequence interface of Java has three implementation classes related to Strings: String, StringBuffer and StringBuilder. String is an immutable variable, that i ...

Posted on Mon, 06 Dec 2021 15:28:38 -0500 by dswain

makeFile learning diary II (C + +) variables, automatic derivation, style and clearing in makeFile

edit : main.o kbd.o command.o dislplay,o \ insert.o search.o files.o utils.o cc -o edit main.o kbd.o command.o dislplay,o \ insert.o search.o files.o utils.o main.o : main.c defs.h cc -c main.c kbd.o : kbd.c defs.h command.h cc -c kbd.c command.o :command.c defs.h command.h cc -c insert.c display.o :display.c defs.h buffer.h cc -c display ...

Posted on Mon, 06 Dec 2021 15:12:21 -0500 by breath18

N suggestions for improving Java programs

Recommendation 22: handle currency with integer type I thought about this a long time ago. At that time, I saw that the currencies returned by many e-commerce interfaces were in the unit of "points". So I thought that taking "Yuan" as the unit was more reasonable and more in line with people's thinking logic? Let's look at ...

Posted on Mon, 06 Dec 2021 15:11:09 -0500 by killsite