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Round a double to 2 decimal places [duplicate]

If the value is 200.3456 , it should be formatted to 200.34 . If it is 200 , then it should be 200.00 . 13 Answers ...
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Getting a better understanding of callback functions in JavaScript

I understand passing in a function to another function as a callback and having it execute, but I'm not understanding the best implementation to do that. I'm looking for a very basic example, like this: ...
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CSS: background image on background color

I have panel which I colored blue if this panel is being selected (clicked on it). Additionally, I add a small sign ( .png image) to that panel, which indicates that the selected panel has been already selected before. ...
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snprintf and Visual Studio 2010

I'm unfortunate enough to be stuck using VS 2010 for a project, and noticed the following code still doesn't build using the non-standards compliant compiler: ...
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Find where python is installed (if it isn't default dir)

Python is on my machine, I just don't know where, if I type python in terminal it will open Python 2.6.4, this isn't in it's default directory, there surely is a way of finding it's install location from here? ...
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The specified type member 'Date' is not supported in LINQ to Entities Exception

I got a exception while implementing the following statements. 10 Answers 10 ...
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Print a file, skipping the first X lines, in Bash [duplicate]

I have a very long file which I want to print, skipping the first 1,000,000 lines, for example. 13 Answers ...
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How to test if string exists in file with Bash?

I have a file that contains directory names: 13 Answers 13 ...
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Creating C macro with ## and __LINE__ (token concatenation with positioning macro)

I want to create a C macro that creates a function with a name based on the line number. I thought I could do something like (the real function would have statements within the braces): ...
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Java - No enclosing instance of type Foo is accessible

I have the following code: 5 Answers 5 ...