Operator '= =' and object's equals() method
The operator "= =" compares whether the two operands are equal. The two operands can be either basic type or reference type. For example
> int a1=1,a2=3;
> boolean b1=a1==a2;//The operand of "= =" is of basic ...
Posted on Sun, 19 Jan 2020 08:57:01 -0500 by megavolt
Based on the Server side of BIO implementation, how many threads will there be when 100 connections are established? How many threads will there be based on NIO?
The so-called BIO is the most traditional socket link, for example:
int port = 4343; //Port number
// Socket server (simple sending information)
Thread sThread = new Thread ...
Posted on Sun, 19 Jan 2020 08:32:15 -0500 by gabo0303
A preliminary model of user management module of archives management system is realized. Functions include: login interface of password mechanism; query and modification of ordinary users' own information; addition, deletion and modification of other users' information by administr ...
Posted on Sun, 19 Jan 2020 06:15:33 -0500 by darkninja_com
The authorization protocol of OAuth 2.0 allows third-party applications to access restricted HTTP resources. As usual, when you use Github and Google account to log in to other systems, you use the OAuth 2.0 authorization framework. The following figure is the authorization page diagram of using Github account to log in to Coding system:
Posted on Sun, 19 Jan 2020 01:58:18 -0500 by tanita
This example is an annotation based aspect programming practice. This aspect function is mainly used to count the execution time of the annotated method
1. First configure maven dependency:
Posted on Sat, 18 Jan 2020 09:12:04 -0500 by anatak
In the distributed scheduling, in order to ensure the high availability and disaster recovery requirements of the service, it is usually said that the service is evenly distributed in multiple areas, racks and nodes, so as to avoid the service unavailability caused by a single point of failure. The algorithm, SelectorSpread, is naturally implem ...
Posted on Sat, 18 Jan 2020 02:05:50 -0500 by d~l
OS Interface: https://dreamerjonson.com/2020/01/04/6-s081-1/
The main difference between system programming and application programming is that application programming is designed to produce software that directly serves users.
System programming mainly serves other applica ...
Posted on Fri, 17 Jan 2020 11:21:02 -0500 by alimadzi
Local path (for Copy code): H disk / Baidu online disk: / program backup / QT/QT_EasyClient.zip
In fact, the [QTcpsocket](https://doc.qt.io/archives/qt-5.6/qtcpsocket.html) in the Qt network module has been well encapsulated, avoiding the tedious process of programming ...
Posted on Fri, 17 Jan 2020 09:49:33 -0500 by Joe
The following is a Li's understanding of socket programming, hoping to help you; if there are errors, please point out generously;
1: Socket programming preparation
2: Introduction of socket api
3: The introduction and implementation of client / server of udp protocol
4: The introduction and impl ...
Posted on Fri, 17 Jan 2020 09:21:16 -0500 by thirdeye
This article records a problem that may cause data errors in CopyOnWriteArrayList,
This problem was originally a conjecture when reading a book, but after verification, it was found that the problem existed.
Originally, I thought that there would be no such problem since the jdk was on, but there was no such probl ...
Posted on Fri, 17 Jan 2020 06:48:45 -0500 by kateevanne