Programmer Group

Case 1: data sorting in string Requirement: there is a string: "91 27 46 38 50". Please write a program to realize it. The final output result is: "27 38 46 50 91" Idea: 1. Define a string         2. Store the numeric data in the string into an array of int type           &nb ...

18. Reflection Reflection mechanism Reflection mechanism allows the program to obtain the internal information of any class (such as member variables, constructors, member methods, etc.) with the help of Reflection API during execution, and can operate the properties and methods of objects. After loading the Class, a Class object is generate ...

Django - implement paging View core code # Get all articles post = Post.objects.all() # Gets the value of p, which defaults to 1 p = request.GET.get('p', 1) # The first parameter is a required parameter, which represents the data to be paged. The parameter value can be list, tuple or ORM query data object. # The second parameter is a required ...

preface         There is a very important content in Java, the idea of java reflection. Learning java reflection well is very important for our subsequent development and understanding other people's code. Therefore, it is most important to lay a good foundation for reflection. catalogue 1, What is the reflection mechan ...

Detailed explanation of multithreading (Java.Thread) Thread introduction Multitasking multithreading Common method calls and multithreading Process: it is an execution process of program execution. It is a dynamic concept and the unit of system resource allocation Thread thread: usually, a process can contain several threads, and each pro ...

Luogu topic: P1093 [NOIP2007 popularization group] scholarship Title Description A primary school has recently received a sponsorship and plans to give part of it to the top five students with excellent academic achievements. At the end of the term, each student has three grades: Chinese, mathematics and English. First, sort according to the ...

2021SC@SDUSC This article analyzes the direct package and sitemap package of module page web. Note: because the code is short and concise, the analysis of the code is placed in the remarks of the code segment. 1.directive package architecture This folder contains three classes and a static inner class. PageCommentPageDirective.java prov ...

catalogue preface Three gobang rules code implementation Code analysis   preface Daga, today is the whole point of Sanzi chess. This Gobang does not add AI algorithm. Computer chess is purely random chess (big guys bypass), so the real way to play is to find a way to let the computer win! (bushi, the code of this little game is written ...

## Introduction to C + + novice -- 4 C + + storage class C + + storage class: defines the range and life cycle of variables / functions in C + + programs include: autoregisterstaticexternmutablethread_local Didn't look at it in detail C + + operator Arithmetic operator +，-，*，/，%，++，– Relational operator ==，!=，>，<，> ...

1. The structures in golang can be compared directly. The bottom layer calls the memequal function to compare the memory. Memequal is implemented by assembly.   2. Only values are passed in golang. For example, when a slice is used as a formal parameter of a function, it is also a value transfer. The underlying data structure of the slice is: ...