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Understanding of instant messaging in IOS

Understanding of instant messaging in IOS

Socket: 1 Socket also called ' Socket ” 2 Two programs on the network exchange data through a two-way communication connection , One end of this con...

2021-06-10 21:11 bbsmax

Why sass instead of less?

This article mainly answers the following questions , For beginners of front-end developers . 1、 What is? Sass and Less? 2、 Why use CSS The preproce...

2021-06-10 21:16 bbsmax

The problem of Hadoop users' insufficient permission to write files

problem : Ordinary users echo write file , Insufficient prompt authority . Solution : sudo tee test.txt ' To insert content ' hadoop More related a...

2021-06-10 21:24 bbsmax

Java foundation 07 multithreading

When learning the operating system , We learn about processes and threads , So what are processes and threads ? process It is a program with certa...

2021-06-10 21:43 bbsmax

Common methods of java.util.arrays class

package Arrays class ; import java.util.Arrays; public class TestArrays { public static void main(String args) { int a={1,9,3,5,7,8,2,6,0,4}; System.o...

2021-06-10 21:45 bbsmax
Summary of the use of unity (C IOC framework)

Summary of the use of unity (C IOC framework)

there unity It means to complete dependency injection unity Not the game engine . The original project completion dependency injection is spring.net...

2021-06-10 21:47 bbsmax
Installing Metasploit on MacOS platform

Installing Metasploit on MacOS platform

1 stay Github Cloned Metasploit git clone https://github.com/rapid7/metasploit framework.git /usr/local/share/metasploit framework Metasploit The si...

2021-06-10 21:51 bbsmax
How to install and configure homebrew for Mac?

How to install and configure homebrew for Mac?

1、 On the Command line tools Enter the following statement in the : Copy the contents to the clipboard 1. ruby e '$(curl insecure fsSL https://r...

2021-06-10 21:56 bbsmax
Ajax Ajax instance 3 - dynamic tree list

Ajax Ajax instance 3 - dynamic tree list

Project structure : ! (//bbsmax.ikafan.com/static/L3Byb3h5L2h0dHBzL2ltYWdlczIwMTcuY25ibG9ncy5jb20vYmxvZy83NzE1ODMvMjAxNzA4Lzc3MTU4My0yMDE3MDgwNDEwMzE...

2021-06-10 22:02 bbsmax
How does Oracle realize the one-stop operation of creating database, backing up database and exporting and importing data

How does Oracle realize the one-stop operation of creating database, backing up database and exporting and importing data

Oracle Management of data objects and data in , No doubt it's all using PL/SQL Developer To manage , The tool also provides us with a lot of convenien...

2021-06-10 22:10 bbsmax

Error in installing software Yum in CentOS: no package XXX available

yum When installing the software , Report errors :No package XXX available. root@localhost ~ / yum y install redis Loaded plugins: fastestmirror No p...

2021-06-10 22:21 bbsmax

PHP + MySQL infinite classification method summary

Infinite classification is an old topic , Let's see PHP combination Mysql How to achieve . The first method This method is very common 、 It's a ve...

2021-06-10 22:27 bbsmax

Write IOC framework by yourself (2)

Everything is difficult at the beginning , The first chapter has already started , After that, things are relatively simple . Last time I defined wha...

2021-06-10 22:38 bbsmax
Java re (regular expression)

Java re (regular expression)

Regular expressions , Also known as regular expression . ( English :Regular Expression, In code it is often abbreviated as regex、regexp or RE), A ...

2021-06-10 22:53 bbsmax

Calling java with JNI C + +

c++ / include 'JniHelper.h' JniMethodInfo t; if (JniHelper::getStaticMethodInfo(t,'org/cocos2dx/lib/Cocos2dxActivity', 'openUrl', '(Ljava/lang/String...

2021-06-10 23:04 bbsmax

MySQL--query-cache

Knowledge preparation : 1、mysql Of query cache What is it? ? mysql We can complete the execution of select Sentence and this select The result set...

2021-06-10 23:06 bbsmax
Basic usage of JavaScript core.framework (1)

Basic usage of JavaScript core.framework (1)

from iOS7 Start Apple announced JavaScriptCore.framework It makes the JS And OC It's more convenient to interact with . Let's take a brief look a...

2021-06-10 23:08 bbsmax

JQuery Mobile Learning

jQuery Mobile Learning Series http://blog.csdn.net/bao990423420/article/details/13995021 (http://blog.csdn.net/bao990423420/article/details/13995021...

2021-06-10 23:08 bbsmax

How to initialize HashMap

Now there are two kinds of knowledge : 1) Map String, String hashMap = new HashMap String, String (){ { put('A', 'a'); put('B', 'b'); } }; 2) Use sta...

2021-06-10 23:10 bbsmax

Mybatis beginner's notes

MyBatis Environment building : 1. need mybatis 3.3.0.jar, Will be jar Package import web engineering libs In the folder ; 2. stay src So let's make a ...

2021-06-10 23:17 bbsmax

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