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How do function pointers in C work?
...have a pointer to the function, let's use it:
int sum = (*functionPtr)(2, 3); // sum == 5
Passing the pointer to another function is basically the same:
int add2to3(int (*functionPtr)(int, int)) {
return (*functionPtr)(2, 3);
}
We can use function pointers in return values as well (try to ...
How to get the list of files in a directory in a shell script?
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answered Mar 13 '10 at 6:08
Ignacio Vazquez-AbramsIgnacio Vazquez-Abrams
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Efficient method to generate UUID String in JAVA (UUID.randomUUID().toString() without the dashes)
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edited Aug 9 '17 at 13:18
Marek Jeszka
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answ...
Setting an environment variable before a command in Bash is not working for the second command in a
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324
FOO=bar bash -c 'somecommand someargs | somecommand2'
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Select row with most recent date per user
... USER | TIME | IO |
--------------------------------
| 2 | 9 | 1370931664 | out |
| 3 | 6 | 1370932128 | out |
| 5 | 12 | 1370933037 | in |
Solution which gonna work everytime:
SQLFIDDLEExample
SELECT t1.*
FROM lms_attendance t1
WHERE t1.id = (SELECT t2.id
FRO...
PHP: How to remove all non printable characters in a string?
I imagine I need to remove chars 0-31 and 127,
17 Answers
17
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Why does Clojure have “keywords” in addition to “symbols”?
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139
Here's the Clojure documentation for Keywords and Symbols.
Keywords are symbolic identifier...
Add Text on Image using PIL
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answered May 4 '13 at 17:49
lalitlalit
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Go Error Handling Techniques [closed]
... edited Nov 22 '15 at 15:51
030
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answered Jun 6 '13 at 13:31
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How does origin/HEAD get set?
...e update.)
Edit: The problem discussed below was corrected in Git 1.8.4.3; see this update.
There is a tiny caveat, though. HEAD is a symbolic ref, pointing to a branch instead of directly to a commit, but the git remote transfer protocols only report commits for refs. So Git knows the SHA1 of...