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Q:

What Is the Google Android SDK? 

Answer:
Q:

What are three ways to reduce page load time?

Answer

There are many answers here: Reduce image sizes, remove unnecessary widgets, HTTP compression, put CSS at the top and script references at the bottom or in external files, reduce lookups, minimize redirects, caching, etc.

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Q:

What is the purpose of canvas in HTML?

Answer

Canvas is an element that is used for the graphics for the web page. It uses JavaScript to bring the graphics functionality live. It allows easy way to draw the graphics and use different types of tools to create drawing on the web page. Canvas is just a rectangular area that controls the pixel of every element that is used in the web page. Canvas uses methods like paths, circles, etc. The canvas element will be used as follows:


<canvas id="can" width="200" height="100"></canvas>


The canvas element includes id, width and height settings and with the javascript it gets used like:


<script type="text/javascript">


var c=document.getElementById("can");


var ctx=c.getContext("2d");


ctx.fillStyle="#FF0000";


ctx.fillRect(0,0,150,75);


</script>

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Q:

What are new Media Elements in HTML5?

Answer

Following are the New Media Elements are present in HTML5:


<audio> tag: for playing audio.


<video> tag: for playing video.


<source> tag: For media resources for media elements.


<embed> tag: For embedded content


<track> tag: For text tracks used in media players

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Q:

You want only a vertical scrollbar and no horizontal scrollbar on your page. How would you do it?

Answer

- This can be done by defining the frame with SCROLLING = auto and having content to just fit into this frame. 


- SCROLLING="yes" gets the scroll bar on both the sides, even when not needed. 


- SCROLLING="no" doesn’t get the scrollbars at all, even when they are needed.


 

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Q:

How would you automatically transfer your visitors to a new web page?

Answer

- You can do it with the help of meta tag mentioned below: 


<META HTTP-EQUIV="Refresh" CONTENT="2"; URL="http://www.yoursite.com"> 


- Place this tag between <HEAD></HEAD> . 


- It will load yousite.com in 2 seconds.

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