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Sleep until a specific time/date
... syntax:
current_epoch=$(date +%s.%N)
target_epoch=$(date -d "20:25:00.12345" +%s.%N)
sleep_seconds=$(echo "$target_epoch - $current_epoch"|bc)
sleep $sleep_seconds
Note that macOS / OS X does not support precision below seconds, you would need to use coreutils from brew instead → see these ...
How to merge multiple lists into one list in python? [duplicate]
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answered Jul 20 '12 at 6:49
BrenBarnBrenBarn
197k2727 gold badges348348 silver badges337337 bronze badges
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Get top n records for each group of grouped results
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edited Apr 27 '17 at 14:44
answered Aug 24 '12 at 17:25
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How to convert a char array to a string?
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4 Answers
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Real life example, when to use OUTER / CROSS APPLY in SQL
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4 Answers
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What is the strict aliasing rule?
...community wiki
35 revs, 20 users 74%Doug T.
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What is your favorite C programming trick? [closed]
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/* do whatever with x */
}
}
func((type[]){val1,val2,val3,val4,0});
Static linked lists
int main() {
struct llist { int a; struct llist* next;};
#define cons(x,y) (struct llist[]){{x,y}}
struct llist *list=cons(1, cons(2, cons(3, cons(4, NULL))));
struct llist *p = l...
Why is the Fibonacci series used in agile planning poker? [closed]
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answered Jul 22 '14 at 10:36
isak gilbertisak gilbert
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Convert file: Uri to File in Android
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What is the difference between the two? What does toString do?
– Merlyn Morgan-Graham
Dec 4 '11 at 0...
Convert pem key to ssh-rsa format
...) or -e (export) conversion options. The supported key formats are: “RFC4716” (RFC 4716/SSH2 public or private key), “PKCS8” (PEM PKCS8 public key) or “PEM” (PEM public key). The default conversion format is “RFC4716”.
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