Category: Career

Types of web services Big web services – SOAP based web services, xml only Restful supports xml and json Different types of web service generation axis2 uses wsdl2java to generate code cxf supports jax-ws and jax-rs ( restful web service), it...

ClassLoader cl = ClassLoader.getSystemClassLoader(); URL urls = ((URLClassLoader)cl).getURLs(); for(URL url: urls){ System.out.println(url.getFile()); }...

– open file vertically vim -O file1 file2 – horizontally vim -o file1 file2 – open one file in vim, then split for the second file horizontally :new file2 or :sp file2 – vertifically :vsp file2 – horizontally ctrl + wv...

####inistall yum install httpd ####control /etc/init.d/httpd start/stop/restart/status ####config vi /etc/httpd/conf/httpd.conf...

Problem: Folder archive and replicated to target server are out of sequence Solution 1: Update the timestamp of collections record, this will trigger a new round of archiving. Solution 2: 1. Go to content server -> Admin Applet -> Archiver; 2....

__str.matches(“\\\d+”);__ d+ –> one or more digits It allows starting with 0, eg. 0000124 __str.matches(“^[1-9]\\\d+”);__ It doesn’t allow starting with 0...

zip -r output.zip input -x “\*\*/.svn\*\*” zip -r output.zip input -x “\*.git\*”...

TBC...

JPA is a specification defined for java by sun. It does not provide any implementation. It was originally developed by EJB 3.0 software expert group, but it is not limited to EJB software components. Hibernate has an implementation of JPA....

  netstat and ps netstat -tulpn | grep 3306 Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name tcp 0 0 127.0.0.1:3306 0.0.0.0:* LISTEN 1138/mysqld ls -l /proc/3306/exe find out process details ps aux|grep 3306...