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Code Golf: Lasers
The shortest code by character count to input a 2D representation of a board, and output 'true' or 'false' according to the input .
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How to split a large text file into smaller files with equal number of lines?
I've got a large (by number of lines) plain text file that I'd like to split into smaller files, also by number of lines. So if my file has around 2M lines, I'd like to split it up into 10 files that contain 200k lines, or 100 files that contain 20k lines (plus one file with the remainder; being ev...
Is there a range class in C++11 for use with range based for loops?
I found myself writing this just a bit ago:
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How can two strings be concatenated?
How can I concatenate (merge, combine) two values?
For example I have:
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Is there a better way to express nested namespaces in C++ within the header
I switched from C++ to Java and C# and think the usage of namespaces/packages is much better there (well structured). Then I came back to C++ and tried to use namespaces the same way but the required syntax is horrible within the header file.
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Regex: ?: notation (Question mark and colon notation) [duplicate]
I have the following Java regex, which I didn't write and I am trying to modify:
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What is a lambda expression in C++11?
What is a lambda expression in C++11? When would I use one? What class of problem do they solve that wasn't possible prior to their introduction?
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What is the difference between the add and offer methods in a Queue in Java?
Take the PriorityQueue for example http://java.sun.com/j2se/1.5.0/docs/api/java/util/PriorityQueue.html#offer(E)
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What does |= (single pipe equal) and &=(single ampersand equal) mean
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Finding ALL duplicate rows, including “elements with smaller subscripts”
R's duplicated returns a vector showing whether each element of a vector or data frame is a duplicate of an element with a smaller subscript. So if rows 3, 4, and 5 of a 5-row data frame are the same, duplicated will give me the vector
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