How to measure distance on google maps ?

Use the page here , you just click on points and the distance will appear either in miles or in kilometers. You can also mark multiple points and calculate a real length of a path.

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Escape HTML and XML in Java

HTML and XML escape format is widely used in web and XML transactions. There is a great utility for this purpose in Java world : Lang package in apache commons project Download commons-lang and put the commons-lang-xxx.jar file in your classpath or in your project. The StringEscapeUtils class is your key class here. Use static escapeXml() , escapeHtml() , unescapeXml() , unescapeHtml() methods. String escaped = StringEscapeUtils.escapeXml(" "); Great & Lifesaving , thanks apache again !
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Connect via SSH without a password from MacOS to Linux with an SSHKEY

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Sort a HashMap based on Keys or Values

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