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Check if a value exists in pandas dataframe index

I am sure there is an obvious way to do this but cant think of anything slick right now. 6 Answers ...
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Build Error - missing required architecture i386 in file

I'm getting this error when building my iPhone application: 16 Answers 16 ...
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How to work around the lack of transactions in MongoDB?

I know there are similar questions here but they are either telling me to switch back to regular RDBMS systems if I need transactions or use atomic operations or two-phase commit . The second solution seems the best choice. The third I don't wish to follow because it seems that many things coul...
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minimum double value in C/C++

...ortable way to represent the smallest negative value (e.g. to use negative infinity) in a C(++) program? 10 Answers ...
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How to check if object property exists with a variable holding the property name?

I am checking for the existence of an object property with a variable holding the property name in question. 6 Answers ...
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Custom fonts in iOS 7

I'm developing a game and I would like to use a custom font in my app. I'm using SpriteKit for it, if that's important. I've tried using this https://github.com/deni2s/IBCustomFonts but I cannot get it to work with this font http://www.fontspace.com/freaky-fonts/emulogic ...
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abort, terminate or exit?

What's the difference between those three, and how shall I end program in case of exception which I can't handle properly? ...
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Why would one use the Publish/Subscribe pattern (in JS/jQuery)?

So, a colleague introduced me to the publish/subscribe pattern (in JS/jQuery), but I'm having a hard time getting to grips with why one would use this pattern over 'normal' JavaScript/jQuery. ...
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Simple way to transpose columns and rows in SQL?

How do I simply switch columns with rows in SQL? Is there any simple command to transpose? 9 Answers ...
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Why does auto a=1; compile in C?

...o is an old C keyword that means "local scope". auto a is the same as auto int a, and because local scope is the default for a variable declared inside a function, it's also the same as int a in this example. This keyword is actually a leftover from C's predecessor B, where there were no base types...