Hi… We all know, Arrays are nothing but variables which can hold all your variable values with a single name. Let’s see some basic operations of Arrays in JavaScript. To Create a New Array. Use the following code. This code of line created a new Array object called myArray. Adding Elements to myArray or or… Read More »
We have come across this issue many times during programming to get a selected item in your combobox. ANDROID has built in functions to get the selected item from a spinner. Take a look at the snippet. Here my_spinner id the spinner variable and using getSelectedItem() which will return an object and by using toString()… Read More »
Hi… There may arise certain situations where you need to include more than one HTML document in the same browser. But how? It’s simple. It’s by using FRAMES of HTML. FRAMES can be included inside FRAMESET. Let’s see an example. This will create two column frames in the browser with www.coderzheaven in one frame with… Read More »
Progress bars are our basic needs when we want to show something for a long time or some progress takes a long time and we want to show it’s progress. Keeping that in mind ANDROID also has built in progress views. There are basically two types of progress views in ANDROID. ProgressDialog.STYLE_SPINNER and ProgressDialog.STYLE_HORIZONTAL Take… Read More »
Hi all……… We often need to toggle between fullscreen and normal screen in our application. The following code snippet helps you to toggle between these two screens in Adobe AIR or Flex. Here I am using StageDisplayState class to do both which has “stage.displayState = StageDisplayState.FULL_SCREEN” and ” stage.displayState = StageDisplayState.NORMAL” constants to do this.
For detecting shake in a cocos2D program copy these lines to your layer class bool shaked_once; //default false self.isAccelerometerEnabled = YES; [[UIAccelerometer sharedAccelerometer] setUpdateInterval:1/60]; shaked_once = false; Then copy this function to the same file…. and you are done…….. -(void) accelerometer:(UIAccelerometer *)accelerometer didAccelerate:(UIAcceleration *)acceleration { float THRESHOLD = 2; if (acceleration.x > THRESHOLD || acceleration.x… Read More »
With jQuery manipulation of HTML & CSS can be done very easily. Here we are going to show how to Hide a line of text using jQuery & Show it back also. Let’s code speak first…. <html> <head> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript"> $(document).ready(function(){ $("#hideButton").click(function(){ $("p").hide(); }); $("#showButton").click(function(){ $("p").show(); }); }); </script> </head> <body> <p>Hey!… Read More »
“fileExistsAtPath” is used to check whether a file exists or not at a specified path.
Methods and variables can be ‘override’ in subclasses. (Yes, it’s a good feature too!). But what if we don’t want to ‘override’ our Methods and Variables in Java? It’s simple… Declare them using the keyword ‘final’ as modifier. That’s it. eg: So the value of myVariable can never be changed any way. Also for Classes/Methods.… Read More »
This is a simple custom exception in java. That is, we can create an exception by extending the exception class. The “throw new MyExcep” will throw an exception and the error message we specified will be displayed import java.lang.Exception; @SuppressWarnings(“serial”) class MyExcep extends Exception { MyExcep(String Errormsg) { super(Errormsg); // call Exception class error message… Read More »
MediaPlayer class can be used to play Audio in ANDROID. See how to do this.
Most of the beginners in PHP while using sessions at the first time might have encountered a long error, starting with something like, Warning:session_start(): Cannot sent session cache limiter- headers already sent Fix : It’s too simple! Don’t ever leave atleast a single space before the PHP code (starting with
A beginner to Pointers in C often perplexed by different operators & and * Let’s see what it really is and how simple it is. & – This operator gives ‘the address of’ a variable * – This operator gives ‘the value at address’ of a variable (Note! Note! Note! Not the other way round!… Read More »
A beginner to Pointers in C often perplexed by different operators & and * Let’s see what it really is and how simple it is. & – This operator gives ‘the address of’ a variable * – This operator gives ‘the value at address’ of a variable (Note! Note! Note! Not the other way round!… Read More »
This code helps you to check whether the location service is available on your ANDROID Phone or not. Copy this code and paste to your file. Happy coding…..
Let’s now briefly discuss about four essential String function used in C. We are going to discuss about a) strlen() b) strcpy() c) strcat() d) strcmp() Codes speak louder than words! Let’s see what these functions do in a simple C Program. #include main() { char stringOne[15] = “CoderzHeaven”; char stringTwo[] =”Codes”; char stringThree[15]; int… Read More »
private function change():void { this.setStyle(“backgroundColor”,”#00FF00″); this.setStyle(“color”,”green”); }
Below code shows how to create a new popUp window in Adobe AIR or FLEX. To create a new window “right click on the src folder and create a new MXML Component named Here “MyLoginForm” It should be aTitleWindow for the example below. How ever You can create other components, but the code accordingly must… Read More »
The following simple code snippet explains how to get an eventListener for FullScreen Event in Adobe AIR or FLEX. The function “onScreenModeChange ” gets called when you maximizes your window. private function init():void { stage.addEventListener( FullScreenEvent.FULL_SCREEN, onEnteringFullScreenMode); } private function onEnteringFullScreenMode( e:FullScreenEvent ):void { if( e.fullScreen ) { // Do something on fullscreen…………… } else… Read More »
This example shows how a simple java abstract class works Here “Shape” is the abstract class abstract class Shape { abstract void initial(); // methods only defined….. abstract void display(); } class cube extends Shape { void initial() // Abstract Methods defined…. { System.out.println(“Hello !! “); } void display() { System.out.println(“How are you?”); } }… Read More »
This code helps you to customize the spinner in ANDROID. For that you have to create an XML file inside your layout folder as shown below and name it spinner.xml. You can give all properties that are available for TextView inside this which is going to be then applied for your spinner. Now I will… Read More »
This code helps yoy to set an item in your combobox(spinner) in ANDROID. Here my_spinner is the combobox which we call as spinner in ANDROID. Declare it in your XML file and link to it by using the following code…. my_spinner= (Spinner)findViewById(R.id.my_spinner); After that in your code set an item Listener for the spinner using… Read More »
Unlike wordpress blogger, blogspot don’t have direct method (I said direct not ‘NO’!) to add categories to your posts. Just adding ‘Labels’ while you post your posts won’t work always. But it’s simple to categorize posts in your blogspot. Follow the simple steps below. (Google is always simple & will be!) 1. From your ‘Dashboard’… Read More »
You may be perplexed at a common situation where your movie player don’t showing up the subtitles even after you have the subtitle file! But the fix to this problem is too simple. How to fix subtitles not showing up problem? Ans : Just Rename the subtitle file with the same name as that of… Read More »
You may be perplexed at a common situation where your movie player don’t showing up the subtitles even after you have the subtitle file! But the fix to this problem is too simple. How to fix subtitles not showing up problem? Ans : Just Rename the subtitle file with the same name as that of… Read More »