In December 1998, Sun released Java 1.2 and started using the name "Java 2", and we have rarely used the previous version of 1.2, so what is commonly referred to as Java is Java2.Java has three versions, namely J2SE, Java EE, and J2ME, which are described in detail below.J2SE (Java 2 Platform standard Edition) editionJ2SE is the standard version of Java, mainly for the development of clients (desktop applications), such as common text editor, download
Cool disks retain all versions that have been edited or overwritten within 30 days of each file, and can be restored to any version at any time.
1. Login Cool Disk website, select the file to recover, click the "View History Version" button.
2. The cool disk will list all versions within 30 days of the selected file.
3. Select the version you want to revert to, and click the "Revert to sele
Understanding the version number of a Linux distribution is a very important thing, most software requires a system version, and the release version number does not match the software. The software will not be installed or can not be used. Here's a collection of popular Linux distribution version number query methods. With this article, the boss is no longer worried about me wrong software.First, release version number query1.Debian version query:
The code is as follows:
# cat/etc/debian_version
Installing multiple Versions of PHPsudo ./install.sh mphpInstall ZendGuardLoader for PHP 7.1...unavailable now.Write ZendGuardLoader to php.ini...Creating new php-fpm configure file...Copy php-fpm init.d file...Add php-fpm7.1 service at system startup...insserv: script php-fpm7.1: service php-fpm already provided!+-------------------------------------------+| Manager for LNMP, Written by Licess |+-------------------------------------------+|
There are three major versions of WIN8 that we currently have: Windows RT, Windows 8, and Windows 8 Professional, as the Enterprise Edition is primarily enterprise-class, and is of little significance to our average consumer, so we don't think about it here.
Windows RT
First of all, Windows RT, which is a version of Win8, is a system for ARM architecture, that is, an operating system running on a mobile platform (mainly a tablet computer). It is cha
http://persevere.iteye.com/blog/1479524Update-alternatives is a tool dedicated to maintaining the system command link in the Ubuntu system, which makes it easy to set which command the system uses by default, which software version, for example, we have both open jdk and Sun JDK Two versions installed in the system. And we want the system to use the sun JDK by default, what should we do? Through the update-alternatives can be very convenient to achiev
Excerpt from: http://blog.csdn.net/zjg555543/article/details/8278266Linux and UNIX, each version of the operating system has its own software installation, the most convenient is to install software online, this article is to collect the various versions of the online installation of the command.1. Solaris 10:Pkgutil-i2. FreeBSD:Enter/usr/ports/devel/*/execute make,make install will automatically download the installation dependent files.* is the corr
The version of GCC used in Ubuntu is different from the release version, and when compiling the Android system different versions are recommended to compile with different gcc, so can you change the system's GCC to suit the needs of the Android build environment? The answer is yes.Let's see what the GCC and g++ are for our system.Gcc-vThe information you can get is as followsGCC version 4.4.6 (Ubuntu/linaro 4.4.6-11ubuntu2)What if we want to use gcc4.
In Eclipse, a Java project relies on a JDK that needs to be bound, but there are multiple places to bind, similar to the hierarchy.
1. Java compiler, Preferences, window, eclipse Equivalent to a top-level binding. Default
2. Right-click on each project, properties---project facets, types of bound projects;
3. Right-click on each project, properties, Java compiler, bind the project-level compiler type;
4. Right-click on each item project, build path, JRE runtime;
5. Or a MAVEN p
How many versions of Tomcat are there? This can be seen entirely from the Tomcat official website (and, of course, with the development of Tomcat, it will vary)* Zip----------does not need to be installed, after decompression directly into a directory small, any OS can be used, but does not contain some features on Windows, such as Service.bat for the installation of system services.* tar.gz-------and zip* 32-bit Windows Zip----A zip package specifica
Tag:iconsrcprinthttps error message display selenterjpg
Opening the software will see that there is a noticeable red hint error. The reason is that python3.3 is currently in use, and when print is executed, the printed text needs to be enclosed in parentheses ' () '.
Find this icon in the toolbar like a wrench and gear
Find the Project interpreter option on the left
Here you can see the Python version currently in use, select click the down arrow
The available Py
Near the Spring Festival, the project is over, are waiting to go home for the new year. The following is a small set to the study of data structure of the relevant knowledge, linked list is often used in a data structure, is the realization of their own display as follows, welcome the great god Enlighten.
First version, no last node, every time from the root node to start traversing
public class Linkedlist
second version, with last node
public class Linkedlist
Note: The a
Ant Warning: Sun.misc.BASE64Decoder is a proprietary API for sun and may be removed in future versions
Ant Warning: Sun.misc.BASE64Decoder is a proprietary API for sun and may be removed in future versions
Add Bootclasspath= "${java.home}/lib/rt.jar" at compile time.
From msdn:http://msdn.microsoft.com/vstudio/prodinfo/purchase/features.asp
A = Visual Studio. NET Enterprise Architect Edition
D = Visual Studio. NET Enterprise Developer Edition
P = Visual Studio. NET Professional Edition
3 different features of the version and how to choose 3 different versions from a development perspective
1. Build. net-based applications (same as 3 versions)
A D P a) XML Web services
A
Apache Tomcat Information Disclosure vulnerability exists in all versions
CVE (CAN) id:cve-2016-8745
Renew Date: 2017-1-5
Degree of importance: Important
Affected version:
Apache Tomcat 9.0.0.m1 to 9.0.0.m13
Apache Tomcat 8.5.0 to 8.5.8
Apache Tomcat 8.0.0.rc1 to 8.0.39 (new)
Apache Tomcat 7.0.0 to 7.0.73 (new)
Apache Tomcat 6.0.16 to 6.0.48 (new)
Describe:
Connector code refactoring introduces a regression in the error-handling code that sends files
Objective
PHP is to quickly build a Web page and quickly be widely accepted open source language, through the continuous development of a lot of PHP open source system, to meet the current majority of users of the site requirements. In the early 1995, PHP was born to now have more than one version, and each version belongs to a series, most of the source of the site can not be compatible with each other, so can quickly switch PHP version is very practical.
Note: All PHP
The SQL2005 is divided into five versions, as listed below:
1.Enterprise (Enterprise Edition),
2.Development (development version),
3.Workgroup, (Working Group edition)
4.Standard, (Standard Edition)
5.Express. (Estimate and call it a simple version)
Which version should we use in these editions? This is the most frequently asked question by many novice SQL2005.
I'll simply compare the three versions of
between the corresponding versions of them.
Spring Boot Version (x)
Spring Data elasticsearch Version (y)
elasticsearch Version (z)
X
Y
Z
X >= 1.4.x
2.0.0
2.0.0
The springboot version We use here is 1.5.9, and theelasticsearch version is 2.3.5.
Using springboot to consolidate elasticsearchis typically encapsulated using springdata , and then the DAO layer interface inher
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