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Creating a directory in CMake
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254
When do you want to create the directory?
At build system generation
To create a directory whe...
How to validate IP address in Python? [duplicate]
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Hmm, seems to accept things like "4" and "192.168" and silently pads the rest with zeros. Technically valid, I'm sure, but not quite what I expected.
– krupan
Nov 25 '08 at 23:58
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grep without showing path/file:line
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edited May 3 '18 at 6:04
Dominic Rodger
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How long is the SHA256 hash?
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346
A sha256 is 256 bits long -- as its name indicates.
Since sha256 returns a hexadecimal represe...
Eclipse ctrl+right does nothing
... in the editor specifically (https://bugs.eclipse.org/bugs/show_bug.cgi?id=426557). Sometimes you can find that when you restart can't move with control+arrow in the editor but you can in other views like console window.
You can disable welcome screen ( in most eclipse based IDEs it's a checkbox in...
Clear Text Selection with JavaScript
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answered Jul 3 '10 at 0:46
Gert GrenanderGert Grenander
15.7k66 gold badges3535 silver badges4343 bronze badges
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What's the difference between --general-numeric-sort and --numeric-sort options in gnu sort
...ort compares the numbers as floats, this allows scientific notation eg 1.234E10 but is slower and subject to rounding error (1.2345678 could come after 1.2345679), numeric sort is just a regular alphabetic sort that knows 10 comes after 9.
See http://www.gnu.org/software/coreutils/manual/html_...
Copy all files with a certain extension from all subdirectories
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edited Jun 4 '15 at 8:23
answered Mar 25 '13 at 14:10
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Why does “_” (underscore) match “-” (hyphen)?
...rary number of characters (including zero characters).
(From section 3.3.4.7. Pattern Matching in the MySQL documentation.)
If you want to use the underscore in like as a literal, you have to escape it:
select * from a where name like '%taz\_manual%.pdf%';
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