Java : singleton with example — by khairil on

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A singleton is a class that can be instantiated once, and only once. The restriction on the singleton is that there can be only one instance...

Java enum switch/if-else statement example — by khairil on

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1.using switch example public class JavaEnumSwitchCaseExample { enum Margin { TOP, RIGHT, BOTTOM, LEFT } public static...

java : Enum - examples — by khairil on

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public enum Status { Open("O"), Closed("C"), Reopened("R") final String code; Status(String code) { ...

JAVA: tips for single thread AND multi thread — by khairil on

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1. Use Vector if there are multiple threads and ArrayList if there is only a single thread. 2. Use Hashtable if there are multiple threads a...

CSS: how do I vertically-center something? — by khairil on

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css: #myoutercontainer { position:relative } #myinnercontainer { position:absolute; top:50%; height:10em; margin-top:-5em } html: ...

CSS : create scrollbar when reach max height - IE and FF — by khairil on

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.overflowdiv-dr { height: expression( this.scrollHeight > 449 ? "450px" : "auto" ); /* sets max-height for IE */ ...