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Fastest way to list all primes below N
This is the best algorithm I could come up.
35 Answers
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Java: splitting a comma-separated string but ignoring commas in quotes
I have a string vaguely like this:
11 Answers
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Using Java to find substring of a bigger string using Regular Expression
If I have a string like this:
12 Answers
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Why would anyone use set instead of unordered_set?
C++0x is introducing unordered_set which is available in boost and many other places. What I understand is that unordered_set is hash table with O(1) lookup complexity. On the other hand, set is nothing but a tree with log(n) lookup complexity. Why on earth would anyone use set instead ...
How to create default value for function argument in Clojure
I come with this:
5 Answers
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Rolling or sliding window iterator?
I need a rolling window (aka sliding window) iterable over a sequence/iterator/generator. Default Python iteration can be considered a special case, where the window length is 1. I'm currently using the following code. Does anyone have a more Pythonic, less verbose, or more efficient method for d...
Is there a reason for C#'s reuse of the variable in a foreach?
When using lambda expressions or anonymous methods in C#, we have to be wary of the access to modified closure pitfall. For example:
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Determine if a String is an Integer in Java [duplicate]
I'm trying to determine if a particular item in an Array of strings is an integer or not.
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How to search for occurrences of more than one space between words in a line
How to search for occurrences of more than one space between words in a line
5 Answers
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How can I check if a single character appears in a string?
In Java is there a way to check the condition:
17 Answers
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