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Can a div have multiple classes (Twitter Bootstrap) [duplicate]
...>Success <span class="caret"></span></button>
demo: http://jsfiddle.net/wNfcg/
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What platforms have something other than 8-bit char?
...f you want an exact 8 bit type, use int8_t. Your code will noisily fail to compile on implementations which don't provide one, instead of silently using a size you didn't expect. At the very least, if I hit a case where I had a good reason to assume it, then I'd assert it.
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Incrementing in C++ - When to use x++ or ++x?
...nd I've learned about the incrementation a while ago.
I know that you can use "++x" to make the incrementation before and "x++" to do it after.
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How to change a Git remote on Heroku
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View Remote URLs
> git remote -v
heroku https://git.heroku.com/###########.git (fetch) < your Heroku Remote URL
heroku https://git.heroku.com/############.git (push)
origin https://github.com/#######/#####.git (fetch) < if you use GitHub then this i...
Standard way to embed version into python package?
...ecifically? (Which "invents" your own double-underscore-word.) [When James commented, underscores did nothing in comments, now they indicate emphasis, so James really wrote __version_info__ too. ---ed.]
– Roger Pate
Dec 30 '09 at 1:32
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How do you get centered content using Twitter Bootstrap?
...efine one of the two classes, row or span12 with a text-align: center. See http://jsfiddle.net/xKSUH/ or http://jsfiddle.net/xKSUH/1/
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What's the difference between a POST and a PUT HTTP REQUEST?
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HTTP PUT:
PUT puts a file or resource at a specific URI, and exactly at that URI. If there's already a file or resource at that URI, PUT replaces that file or resource. If there is no file or resource there, PUT creates one...
React.js - input losing focus when rerendering
...s a guess.
When you create a EditorContainer, specify a unique key for the component:
<EditorContainer key="editor1"/>
When a re-rendering occurs, if the same key is seen, this will tell React don't clobber and regenerate the view, instead reuse. Then the focused item should retain focus.
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How should I validate an e-mail address?
...PI 8 (android 2.2) there is a pattern: android.util.Patterns.EMAIL_ADDRESS
http://developer.android.com/reference/android/util/Patterns.html
So you can use it to validate yourEmailString:
private boolean isValidEmail(String email) {
Pattern pattern = Patterns.EMAIL_ADDRESS;
return pattern....
Python class inherits object
... for a class declaration to inherit from object?
In Python 3, apart from compatibility between Python 2 and 3, no reason. In Python 2, many reasons.
Python 2.x story:
In Python 2.x (from 2.2 onwards) there's two styles of classes depending on the presence or absence of object as a base-class:...