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Return array in a function
I have an array int arr[5] that is passed to a function fillarr(int arr[]) :
19 Answers
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How do I get the first n characters of a string without checking the size or going out of bounds?
...n characters of a string in Java without doing a size check first (inline is acceptable) or risking an IndexOutOfBoundsException ?
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How does “cat
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This is called heredoc format to provide a string into stdin. See https://en.wikipedia.org/wiki/Here_document#Unix_shells for more details.
From man bash:
Here Documents
This type of redirection instructs the shell ...
Truncating floats in Python
... i, p, d = s.partition('.')
return '.'.join([i, (d+'0'*n)[:n]])
This is valid in Python 2.7 and 3.1+. For older versions, it's not possible to get the same "intelligent rounding" effect (at least, not without a lot of complicated code), but rounding to 12 decimal places before truncation wi...
Most efficient way to cast List to List
I have a List<SubClass> that I want to treat as a List<BaseClass> . It seems like it shouldn't be a problem since casting a SubClass to a BaseClass is a snap, but my compiler complains that the cast is impossible.
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How does one get started with procedural generation?
...bably start with a little theory and simple examples such as the midpoint displacement algorithm. You should also learn a little about Perlin Noise if you are interested in generating graphics. I used this to get me started with my final year project on procedural generation.
Fractals are closely r...
How do I force Postgres to use a particular index?
How do I force Postgres to use an index when it would otherwise insist on doing a sequential scan?
6 Answers
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Difference between 'new operator' and 'operator new'?
What is difference between "new operator" and "operator new"?
8 Answers
8
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Better way of incrementing build number?
...part of my Xcode build process to increment the build number within the plist file, however it's making Xcode 4.2.1 crash frequently (with an error about the target not belonging to a project; I'm guessing the changing of the plist file is confusing Xcode in some way).
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CGridCellNumeric - A numeric cell class for the MFC Grid - C/C++ - 清...
...ave had a need for a decent grid control that has the ability to edit and display numbers, among other things. The best one that I could come up with within my price range (free) was Chris Maunder's MFC Grid 2.25 [^]. But unfortunately, for me it needed some modifications to get it to work the way ...