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How do I center floated elements?

...eeds to be centered. The problem is that the links need to be displayed as block, so they need to be floated. But then, text-align: center; doesn't work on them. I could achieve it by giving the wrapper div padding of left, but every page will have a different number of pages, so that wouldn't wor...
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Is there a shortcut to make a block comment in Xcode?

...st other IDEs, there are separate keyboard shortcuts for line comments and block comments ( /**/ ). However, I don't see that in Xcode - in fact, I don't even see a menu option to add a block comment. Is it simply not supported in Xcode? That would certainly seem to be a lame decision if so. ...
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How do getters and setters work?

I'm from the php world. Could you explain what getters and setters are and could give you some examples? 6 Answers ...
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Convert JavaScript String to be all lower case?

...triNg".toLowerCase() Here's the function that behaves exactly the same as PHP's one (for those who are porting PHP code into js) function strToLower (str) { return String(str).toLowerCase(); } share | ...
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Is element block level or inline level?

... It's true, they are both - or more precisely, they are "inline block" elements. This means that they flow inline like text, but also have a width and height like block elements. In CSS, you can set an element to display: inline-block to make it replicate the behaviour of images*. Image...
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MySQL Server has gone away when importing large sql file

I tried to import a large sql file through phpMyAdmin...But it kept showing error 19 Answers ...
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Can regular expressions be used to match nested patterns? [duplicate]

...ursive "regular expressions". E.g. see the chapter "Recursive patterns" in php.net/manual/en/regexp.reference.php – daremon Sep 25 '08 at 15:26 2 ...
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Precedence and bitmask operations

... Seems to me that PHP has strnage operator precedence overall. – Alvin Wong Feb 24 '14 at 10:11 ...
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Concurrent vs serial queues in GCD

... A simple example: you have a block that takes a minute to execute. You add it to a queue from the main thread. Let's look at the four cases. async - concurrent: the code runs on a background thread. Control returns immediately to the main thread (and U...
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Get first n characters of a string

How can I get the first n characters of a string in PHP? What's the fastest way to trim a string to a specific number of characters, and append '...' if needed? ...