Synchronizer for Java Multithread Programming
Synchronizer Solutions are provided for each specific synchronization problem Semaphore Semaphore controls access to shared resources through counters...
zookeeper Pseudo-Distributed Architecture
Get the zookeeper binary package, address[ https://www.apache.org/dyn/closer.cgi/zookeeper/](https://www.apache.org/dyn/closer.cgi/zookeeper/The curr...
Some Problems Needing Attention in Linux System Security
Write on the front: When you deploy a server, the first step should not be to deploy the application, security is the first task. If one day you log o...
Ubuntu Server 18.04 configuration rsync (system ctl)
[Server Configuration] System version # lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 18.04.2 LTS Release: ...
2. Introduction and Practice of React Native Flex Layout
I haven't written a blog for a long time. I have been recording some problems with my impression notes. In 2017, I want to write my blog again. ...
Configuration of Struts 2 Verification Framework and validation.xml Verification Rules
Reference resources: http://www.blogjava.net/focusJ/archive/2010/11/15/367272.html http://blog.csdn.net/hackcoder/article/details/18510337 Naming rul...
Detailed usage of Android XML shape Tags
Detailed usage of Android XML shape Tags _An android developer must know how to define a Drawable using xml, such as defining a rect or circle as the...
Linux-Day3-Installation Software
There are three ways to install software in Linux: 1.rpm # is equivalent to clicking on windows to install next step 2.yum # is equivalent to one-cli...
Backstage of Guge's Primary School (21) - DBUtils
Exploring the Difficulties of Android Soft Keyboard Deep Exploration of Android Asynchronous Essence Handler Detailing the indispensable cornerstones...
CentOS 7 Installation Discuz 3.3 (Pit Filling)
Official Installation Method Released First Official Installation Method The following is the normal installation method: 1. Install CentOS 7 Server ...
Use of HttpClient and Notices
First, introduce some good websites: Introduction to httpclient: http://www.ibm.com/developerworks/cn/opensource/os-httpclient/ HTTP client certificat...
Operations Note 28 (deploying ip, http, storage, etc. on the cluster)
Summary: We have already assumed cluster and deployed fence power management before, so we just need to put the service up and run away. We take http ...
Regular Introduction_awk
Mission 18 October 9.6/9.7 awk awk tools It has more functions than grep and sed tools and can be operated in segments. Basic use Segment operation # ...
Construction process of managed server of third weblogic master page
third Server Construction,with10.151.0.159Server example 1. First, create a new server name on admin master server 1.1 1.2 1.3.server_third_0_169 1.4...
Decompiled Android APK on MAC - apktool, dex2jar, jd-jui installation (with manual signature)
This paper introduces the process of decompiling APK with powerful APK-Multi-Tool on Windows platform
Oracle 11g r2 migrates from CentOS to Windows 10 using Data dump
****** Expdp Export, Impdp Import **** 1 Source system: Operating System: CentOS Oracle database version: Oracle 11g Enterprise Edition Release 11.2.0...
demo of a simple express+jade+mysql+bootstrap+nodejs
Nodejs With the rapid development of Nodejs, the hottest framework for Nodejs construction is not express. Github It can be proved by 32 K star. Let&#...
java.net.SocketException: Unexpected end of file from server exception resolution
The company needs a similar version of the web application. When the project is deployed, the project files are the same (but the configuration is di...
Ffmpeg combat course (9) under windows ffmpeg Command + nginx + rtmp to achieve push and pull.
Summary Nginx is a lightweight Web server/reverse proxy server and email (IMAP/POP3) proxy server. nginx-rmtp-module is a streaming media plug-in for...
File and directory permissions chmod, change owner and group chown, umask, hidden permissions lsattr/chattr
chmod command Look at the file information and use the ls-l command. After execution, the results are as follows: [root@test-01 ~]# ls -l Total dosage...