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How can I center a div within another div? [duplicate]

...ing: 10px; position: relative; } The CSS reference by MDN explains it all. Check out these links: auto - CSS reference | MDN margin - CSS reference | MDN What is the meaning of auto value in a CSS property - Stack Overflow In action at jsFiddle. ...
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Style disabled button with CSS

...he disabled buttons you can use the :disabled pseudo-element. It works for all the elements. For browsers/devices supporting CSS2 only, you can use the [disabled] selector. As with the image, don't put an image in the button. Use CSS background-image with background-position and background-repeat....
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How do you reverse a string in place in JavaScript?

... might want to consider this answer instead. [...s] is Unicode aware, a small edit gives:- function reverse(s){ return [...s].reverse().join(""); } share | improve this answer | ...
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Javascript How to define multiple variables on a single line?

...; var a = b = c = []; >>> c.push(1) [1] >>> a [1] They all refer to the same object in memory, they are not "unique" since anytime you make a reference to an object ( array, object literal, function ) it's passed by reference and not value. So if you change just one of those vari...
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How to 'insert if not exists' in MySQL?

... any AUTO_INCREMENT column with failed insert. Probably because it's not really failed, but UPDATE'd. – not2qubit Oct 29 '13 at 21:36  |  show...
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How to exclude specific folders or files from validation in Eclipse?

...lder Click Resource, ResourceFilters Click "Add" Set the following Exclude All, Files and Folders, All Children, add an asterisk (*) to the File and Folder Attributes input field (highlighted in the image below) Note: In Eclipse Indigo you have to Right click the folder and select properties and t...
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Where do you include the jQuery library from? Google JSAPI? CDN?

... across the world instead of my single server location: Closer servers usually means faster response times for the visitor. Second: Many people choose to have JQuery hosted on Google, so when a visitor comes to my site they may already have the JQuery script in their local cache. Pre-cached conte...
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WAMP/XAMPP is responding very slow over localhost

...t the problem is. WAMP was very slow, so I reformatted my computer and installed WAMP. Still, accessing localhost is very, very slow, and sometimes it doesn't even load at all. I even removed it and replaced it with XAMPP, but I still got the same result. What might possibly be the problem? Here's m...
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What is Dispatcher Servlet in Spring?

...s to take an incoming URI and find the right combination of handlers (generally methods on Controller classes) and views (generally JSPs) that combine to form the page or resource that's supposed to be found at that location. I might have a file /WEB-INF/jsp/pages/Home.jsp and a method on a class...
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How can I enable or disable the GPS programmatically on Android?

I know that the question about turning on/off GPS programatically on android has been discussed many times , and the answer is always the same: ...