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What is the difference between JVM, JDK, JRE & OpenJDK?
... compiler (javac.exe), Java application launcher (java.exe), Appletviewer, etc…
Compiler converts java code into byte code. Java application launcher opens a JRE, loads the class, and invokes its main method.
You need JDK, if at all you want to write your own programs, and to compile them. For r...
jumpserver-华为云免费堡垒机解决方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...-华为云免费堡垒机解决方案一、环境CentOS 6.x x86_64 minivi etc hostsvi etc sysconfig networkservice iptables stopchkconfig iptables off关闭SELinu...一、环境
CentOS 6.x x86_64 mini
vi /etc/hosts
vi /etc/sysconfig/network
service iptables stop
chkconfig iptab...
Real World Example of the Strategy Pattern
...e would look the same:
File file = getFile();
Cipher c = CipherFactory.getCipher( file.size() );
c.performAction();
// implementations:
interface Cipher {
public void performAction();
}
class InMemoryCipherStrategy implements Cipher {
public void performAction() {
...
MySQL: Enable LOAD DATA LOCAL INFILE
...
thx. btw, the my.cnf path is /etc/mysql/my.cnf in my machine (AWS EC2).
– SparkAndShine
Jun 16 '15 at 15:34
...
What are the most useful Intellij IDEA keyboard shortcuts? [closed]
...at calls this method, then the whole statement, then the containing block, etc.:
Ctrl+W
Basic Code Completion, to complete methods, keywords etc.:
Ctrl+Space
Go to Declaration. Use this to navigate to the declaration of a class, method or variable used somewhere in the code:
Ctrl+B
Introduce Vari...
Gradle finds wrong JAVA_HOME even though it's correctly set
...check if its just a symlink
ls -la /usr/bin/javac
/usr/bin/javac -> /etc/alternatives/javac # its a symlink so check again
ls -la /etc/alternatives/javac # now check if its just a symlink
/etc/alternatives/javac -> /usr/lib/jvm/java-8-openjdk-amd64/bin/javac
OK so finally found the b...
Is there an API to get bank transaction and bank balance? [closed]
...vide both authentication API for several banks and REST-based transaction fetching endpoints.
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MySQL Server has gone away when importing large sql file
...qld’s my.cnf configuration file is large enough. On Debian: sudo nano
/etc/mysql/my.cnf, set wait_timeout = 600 seconds (you can
tweak/decrease this value when error 2006 is gone), then sudo
/etc/init.d/mysql restart. I didn't check, but the default value for
wait_timeout might be around 2...
How do I change bash history completion to complete what's already on the line?
...
You may need to enabled bash completion.
Check
/etc/profile
/etc/bash.bashrc
~/.bashrc
to see if any of the above files source /etc/bash_completion. i.e.
. /etc/bash_completion
If /etc/bash___completion is not sourced by any of the above files you will need to add i...
What is LINQ and what does it do? [closed]
..., and available from any .NET language (VB.NET, C#, IronPython, COBOL .NET etc).
Ok, on to language features. I'm going to stick to C#, since that's what I know best. VB.NET also had several similar improvements (and a couple that C# didn't get - XML literals). This is a short and incomplete lis...