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Sunday, 21 December 2014

Java tokens, variables, constants

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Java tokens are the atomic elements of Java. Java program are a collection of Java tokens separated by white spaces and comments. Java i...

Java source file structure

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All java source files must end with the extension ".java". A source file may contain at the most one top level public class. If ...

Features of Java

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Simple and Familiar Java does not support operator overloading. Java does not support multiple inheritence Java does not use pointe...

Set Jdk path

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If you install the JDK in folder c:\jdk\bin Type the command below: SET PATH=%PATH%;C:\JDK\BIN;
Saturday, 20 December 2014

Running a Java Application

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When a program is compiled (C or C++ program ), it is directly translated into machine code that is specific to a platform/processor. But r...

Java: Type of applications

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Standalone applications Applets Web Applications Distributed Applications 1. Standalone applications: A standalone application is a ...

Introduction to Java

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Java is an object-oriented programming language developed by Sun Microsystems Inc in 1991. Java has become the widely used programming lan...
Sunday, 16 November 2014

Web SQL DB create, read, update and delete operations example

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Here is the simplified example for web sql db create, read, update and delete operations: <!DOCTYPE HTML> <html> <head...
Friday, 14 November 2014

Order by filter in js controller

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Below code will sort the list listLeaves in the descending order of date field . $scope.listLeaves = $filter('orderBy')($scope.li...
Friday, 10 October 2014

Simple Coding Rules

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1. Code should be proper indented. 2. Meaning full name of variables and constants. 3. Meaning full name of methods and classes. 4. No d...
Friday, 1 August 2014

AngularJs: order by filter

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Use order by like this: <tr ng-repeat="emp in empList | orderBy:joiningDate"> </tr> Above code will show you emp...
Thursday, 31 July 2014

How to show alternate image if source image is not found?

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A example is here

Phonegap/Cordova: Download file

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To download file in cordova you have to add following plugins: 1. File 2. File System 3. File Transfer And example is here: var app ...
Monday, 28 July 2014

Angularjs filtered array length

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In this example, I am applying a filter on list and after that I am getting the length. <tr ng-show="showda te && (yourli...
Tuesday, 22 July 2014

Is it valid to replace http:// with // in a script src=“http://…”?

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Yes, It is valid and good. We don't have to think about protocol It can be http or https. It is very helpful when we use CDN or any...

Load javascript file dynamically using jquery with callback

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Que: How to load javascript file dynamically using jquery? Ans:  jQuery.getScript("/xyz/abc /your .js", function(){ init...

Solved: Android uninstall APK file from command line

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Que: How to uninstall APK file from command line? Ans: ./adb uninstall com.example.hello "com.example.hello" this is the pack...

Select2 get value and label of selected option

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Que: How to get the value and label of option from select2 using jQuery? Ans: var theID = jQuery("#tags").select2('data...

Solved:: Phonegap access origin problem with angularjs

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I am giving simple steps to solve Phonegap access origin problem with angularjs You have to create a filter at your java server side to a...