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Why does javascript map function return undefined?
...e result.
The map function is used to map one value to another, but it looks you actually want to filter the array, which a map function is not suitable for.
What you actually want is a filter function. It takes a function that returns true or false based on whether you want the item in the resul...
What's the difference between xsd:include and xsd:import?
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tony19
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answered Mar 1 '10 at 18:15
Sergiy BelozorovS...
How to change the indentation width in emacs javascript mode
I'd like to use 2 spaces for my indents instead of 4. I can change the default behavior of C mode using:
9 Answers
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How to delete a file after checking whether it exists
How can I delete a file in C# e.g. C:\test.txt , although apply the same kind of method like in batch files e.g.
10 Answer...
Android : difference between invisible and gone?
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INVISIBLE:
This view is invisible, but it still takes up space for layout purposes.
GONE:
This view is invisible, and it doesn't take any space for layout purposes.
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How long should SQL email fields be? [duplicate]
...y. However, I was wondering what the "standard" is? How long do you guys make it? (same question for Name field...)
8 Answe...
How do you calculate log base 2 in Java for integers?
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If you are thinking about using floating-point to help with integer arithmetics, you have to be careful.
I usually try to avoid FP calculations whenever possible.
Floating-point operations are not exact. You can never know for sure what w...
How to find all combinations of coins when given some dollar value
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I looked into this once a long time ago, and you can read my little write-up on it. Here’s the Mathematica source.
By using generating functions, you can get a closed-form constant-time solution to the problem. Graham, Knuth, a...
What's valid and what's not in a URI query?
I've been Googling this back and forth reading RFCs and SO questions trying to crack this, but I still don't got jack.
7 An...
How to set conditional breakpoints in Visual Studio?
Is there an easy way to set conditional breakpoints in Visual Studio?
13 Answers
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