ZKoss: tooltip for each item in the itemlist

vm.itemList is a list of strings and we need to show tooltip for each item in list. The first line defines listbox and sets paging mold...

wget from gradle script

Simple way to download file from gradle (via wget) task download(type: Exec) {      commandLine "wget", "http://somefi...

ZKoss: listbox tooltip

How to display tooltip for listbox in ZKoss? Tooltip is invisible for listbox or listitem in zkoss? <listbox mold="select"...

org.apache.hadoop.mapred.FileAlreadyExistsException: Output directory already exists

Sqoop job fails, complains that Output directory already exists: [cloudera@quickstart ~]$ sudo -u hdfs sqoop job --meta-connect jdbc:hsql...

IntelliJ Idea keyboard shortcuts in Eclipse

I've used InteliJ idea for development, but now I have to use Eclipse. It's quite pity, because I've forgot almost all ecli...

Hadoop Distributed File System (HDFS)

Hadoop Distributed File System (HDFS) is a Java-based file system that provides scalable and reliable data storage that is designed to span...

[BASH] Add folder to $PATH if not there already

if [[ ":$PATH:" != *":/some/folder:"* ]]; then PATH=${PATH}:/some/folder; fi