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IN vs OR in the SQL WHERE Clause

...rding to the manual for MySQL if the values are constant IN sorts the list and then uses a binary search. I would imagine that OR evaluates them one by one in no particular order. So IN is faster in some circumstances. The best way to know is to profile both on your database with your specific dat...
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cout is not a member of std

I'm practicing using mulitple files and header files etc. So I have this project which takes two numbers and then adds them. Pretty simple. ...
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Using fonts with Rails asset pipeline

... If your Rails version is between > 3.1.0 and < 4, place your fonts in any of the these folders: app/assets/fonts lib/assets/fonts vendor/assets/fonts For Rails versions > 4, you must place your fonts in the app/assets/fonts folder. Note: To place fonts...
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String to Dictionary in Python

So I've spent way to much time on this, and it seems to me like it should be a simple fix. I'm trying to use Facebook's Authentication to register users on my site, and I'm trying to do it server side. I've gotten to the point where I get my access token, and when I go to: ...
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Center content of UIScrollView when smaller

I have a UIImageView inside a UIScrollView which I use for zooming and scrolling. If the image / content of the scroll view is bigger than the scroll view, everything works fine. However, when the image becomes smaller than the scroll view, it sticks to the top left corner of the scroll view. I ...
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Different ways of clearing lists

... Why the first one will only affect a? I thought a and b reference to the same object... Just wanna know why. Thanks. – Alston Nov 22 '14 at 9:48 ...
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Detect element content changes with jQuery

change() function works and detects changes on form elements, but is there a way of detecting when a DOM element's content was changed? ...
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What does Google Closure Library offer over jQuery? [closed]

...try to add my piece of information. More than another JS lib As I understand it, Google Closure is not only another JS library, but it is also a set of tools that will allow you to optimize your JS code. Working with jQuery gives you good tools and a lightweight library, but it does not minify you...
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Multiple dex files define Landroid/support/v4/accessibilityservice/AccessibilityServiceInfoCompat

If I run gradle assembleDebug from the command line, I am suddenly getting this error: 26 Answers ...
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Tab space instead of multiple non-breaking spaces (“nbsp”)?

... @AlexV - If you uses em as the dimension, as I did, it should expand with the text size. Even if you don't, it will depend on the nature of the zoom mechanism used. – Alohci Jun 16 '11 at 15:39 ...