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How to check if any flags of a flag combination are set?
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edited Aug 27 '09 at 10:57
Svish
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ans...
Symfony 2: How do I check if a user is not logged in inside a template?
.../providers/…
– Ronan
Oct 1 '13 at 10:04
16
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How do I daemonize an arbitrary script in unix?
...Run command until we're killed.
while true; do
$COMMAND "$@"
sleep 10 # if command dies immediately, don't go into un-ctrl-c-able loop
done
The first argument is the name of the pid file to use. The second argument is the command. And all other arguments are the command's arguments.
If yo...
Shell equality operators (=, ==, -eq)
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And a mistaken string comparison can produce the complete wrong answer. '10' is lexicographically less than '2', so a string comparison returns true or 0. So many are bitten by this bug:
$ [[ 10 < 2 ]]; echo $?
0
vs the correct test for 10 being arithmetically less than 2:
$ [[ 10 -lt 2 ]];...
Using JQuery to check if no radio button in a group has been checked
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answered Jan 15 '10 at 14:36
Dominic RodgerDominic Rodger
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Throwing cats out of windows
...r k in 1..n.
It agrees with Google result from Gaurav Saxena's link for (100, 2).
int n = 100; // number of floors
int m = 20; // number of cats
int INFINITY = 1000000;
int[][] a = new int[n + 1][m + 1];
for (int i = 1; i <= n; ++i) {
// no cats - no game
a[i][0] = INFINITY;
}
for (i...
Algorithm to find top 10 search terms
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edited Jul 17 '10 at 11:53
answered Jul 15 '10 at 23:35
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How to insert newline in string literal?
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answered Nov 3 '10 at 9:44
Jon SkeetJon Skeet
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Should one use < or
... the loop.
– Jon Skeet
Apr 2 '09 at 10:22
5
Generic programming with STL iterators mandates use o...
Converting datetime.date to UTC timestamp in Python
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