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Format Float to n decimal places

I need to format a float to "n"decimal places. 11 Answers 11 ...
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Is there an “exists” function for jQuery?

How can I check the existence of an element in jQuery? 43 Answers 43 ...
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How many bytes in a JavaScript string?

I have a javascript string which is about 500K when being sent from the server in UTF-8. How can I tell its size in JavaScript? ...
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INSTALL_FAILED_UPDATE_INCOMPATIBLE when I try to install compiled .apk on device

...e compiled Trebuchet launcher from CyanogenMod 9, and trying to install it with adb: 29 Answers ...
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How do I round a decimal value to 2 decimal places (for output on a page)

When displaying the value of a decimal currently with .ToString() , it's accurate to like 15 decimal places, and since I'm using it to represent dollars and cents, I only want the output to be 2 decimal places. ...
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How to stop line breaking in vim

...layed over more than one terminal line; I don’t like that vim inserts newlines into my actual text. Which part of .vimrc I should change? ...
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How to print a percentage value in python?

... format supports a percentage floating point precision type: >>> print "{0:.0%}".format(1./3) 33% If you don't want integer division, you can import Python3's division from __future__: >>> from __future__...
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What characters are allowed in DOM IDs? [duplicate]

Underscores seem fine. What about dashes? Other special characters? 5 Answers 5 ...
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How do I force “git pull” to overwrite local files?

How do I force an overwrite of local files on a git pull ? 45 Answers 45 ...
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How to avoid overflow in expr. A * B - C * D

... signed long long int A, B, C, D; Each number can be really big (not overflowing its type). While A*B could cause overflow, at same time expression A*B - C*D can be really small. How can I compute it correctly? ...