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How can I use an array of function pointers?
...ract; /* address of subtract() */
p[2] = mul; /* address of mul() */
p[3] = div; /* address of div() */
[...]
To call one of those function pointers:
result = (*p[op]) (i, j); // op being the index of one of the four functions
...
git push fails: RPC failed; result=22, HTTP code = 411
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guettli
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answered Sep 29 '12 at 10:11
Maksym PolshchaM...
Case objects vs Enumerations in Scala
...R =>
case UnknownCurrency(code) =>
}
As @chaotic3quilibrium pointed out (with some corrections to ease reading):
Regarding "UnknownCurrency(code)" pattern, there are other ways to handle not finding a currency code string than "breaking" the closed set nature of the Curre...
Oracle SQL Developer multiple table views
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3 Answers
3
Active
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How can I break an outer loop with PHP?
...nswered May 4 '11 at 8:14
lucian303lucian303
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Python naming conventions for modules
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edited Dec 3 '15 at 17:00
Amir
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answered Apr 2 '09 a...
Drawing Isometric game worlds
...the following int array as the map:
tileMap = new int[][] {
{0, 1, 2, 3},
{3, 2, 1, 0},
{0, 0, 1, 1},
{2, 2, 3, 3}
};
The tile images are:
tileImage[0] -> A box with a box inside.
tileImage[1] -> A black box.
tileImage[2] -> A white box.
tileImage[3] -> A box with a ...
PostgreSQL function for last inserted ID
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( tl;dr : goto option 3: INSERT with RETURNING )
Recall that in postgresql there is no "id" concept for tables, just sequences (which are typically but not necessarily used as default values for surrogate primary keys, with the SERIAL pseudo-type...
Turning multi-line string into single comma-separated
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93
You can use awk and sed:
awk -vORS=, '{ print $2 }' file.txt | sed 's/,$/\n/'
Or if you want ...