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How to calculate time elapsed in bash script?
...onds elapsed."
– chus
May 19 '15 at 10:13
6
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MySQL IF NOT NULL, then display 1, else display 0
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ypercubeᵀᴹypercubeᵀᴹ
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Python division
I was trying to normalize a set of numbers from -100 to 0 to a range of 10-100 and was having problems only to notice that even with no variables at all, this does not evaluate the way I would expect it to:
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Check if a value is within a range of numbers
... max) {
return ((x-min)*(x-max) <= 0);
}
console.log(inRange(5, 1, 10)); // true
console.log(inRange(-5, 1, 10)); // false
console.log(inRange(20, 1, 10)); // false
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improv...
Sleep until a specific time/date
... the following:
current_epoch=$(date +%s)
target_epoch=$(date -d '01/01/2010 12:00' +%s)
sleep_seconds=$(( $target_epoch - $current_epoch ))
sleep $sleep_seconds
To add precision down to nanoseconds (effectively more around milliseconds) use e.g. this syntax:
current_epoch=$(date +%s.%N)
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Determine if string is in list in JavaScript
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answered Mar 12 '10 at 1:56
SLaksSLaks
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jQuery: checking if the value of a field is null (empty)
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answered Nov 22 '10 at 10:47
GuffaGuffa
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Detect if a jQuery UI dialog box is open
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answered Jul 22 '10 at 21:51
Byron WhitlockByron Whitlock
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How to generate random number with the specific length in python
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To get a random 3-digit number:
from random import randint
randint(100, 999) # randint is inclusive at both ends
(assuming you really meant three digits, rather than "up to three digits".)
To use an arbitrary number of digits:
from random import randint
def random_with_N_digits(n):
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iOS: Use a boolean in NSUserDefaults
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answered Oct 1 '10 at 16:34
Henrik P. HesselHenrik P. Hessel
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