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“static const” vs “#define” vs “enum”
...ar 5
enum { var = 5 };
Ignoring issues about the choice of name, then:
If you need to pass a pointer around, you must use (1).
Since (2) is apparently an option, you don't need to pass pointers around.
Both (1) and (3) have a symbol in the debugger's symbol table - that makes debugging easier. ...
How to remove illegal characters from path and filenames?
...blic string ReplaceInvalidChars(string filename)
{
return string.Join("_", filename.Split(Path.GetInvalidFileNameChars()));
}
This answer was on another thread by Ceres, I really like it neat and simple.
share
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How to get RGB values from UIColor?
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If someone finding problem on how to get values from colors, you can write something like, CGFloat red = colors[0];
– Hemang
Jul 2 '14 at 9:49
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Understanding slice notation
...lue represents the first value that is not in the selected slice. So, the difference between stop and start is the number of elements selected (if step is 1, the default).
The other feature is that start or stop may be a negative number, which means it counts from the end of the array instead of th...
How to inspect the return value of a function in GDB?
...
May b a stupid question What if function does not have return value?
– Roon13
Oct 15 '18 at 23:29
add a comment
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How do I replace a git submodule with another repo?
...it rm --cached path_to_submodule (no trailing slash)
Commit and delete the now untracked submodule files
Now, add the new submodule with the --name flag. This will give git an alternate name to reference in .git/config for the submodule, to deconflict with the submodule that was there historicall...
Extract file name from path, no matter what the os/path format
....path.split or os.path.basename as others suggest won't work in all cases: if you're running the script on Linux and attempt to process a classic windows-style path, it will fail.
Windows paths can use either backslash or forward slash as path separator. Therefore, the ntpath module (which is equiv...
MongoDB atomic “findOrCreate”: findOne, insert if nonexistent, but do not update
...the title says, I want to perform a find (one) for a document, by _id, and if doesn't exist, have it created, then whether it was found or was created, have it returned in the callback.
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Is it possible in SASS to inherit from a class in another file?
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To my knowledge, you have to use @import of the file containing the classes you want to use into your SASS file in order to utilize them in that file. However, I am not a SASS/SCSS expert, so someone may know of another way to remot...
How to solve PHP error 'Notice: Array to string conversion in…'
... through it and echo each element, or you can use print_r.
Alternatively, if you don't know if it's an array or a string or whatever, you can use var_dump($var) which will tell you what type it is and what it's content is. Use that for debugging purposes only.
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