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Regex to replace everything except numbers and a decimal point
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Use this:
document.getElementById(target).value = newVal.replace(/[^0-9.]/g, "");
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Creating temporary files in bash
...voke mktemp something like
mydir=$(mktemp -d "${TMPDIR:-/tmp/}$(basename $0).XXXXXXXXXXXX")
which creates a temporary directory I can work in, and in which I can safely name the actual files something readable and useful.
mktemp is not standard, but it does exist on many platforms. The "X"s will...
How do I add 1 day to an NSDate?
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720
Swift 5.0 :
var dayComponent = DateComponents()
dayComponent.day = 1 // For removing...
Check if a string matches a regex in Bash script
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330
You can use the test construct, [[ ]], along with the regular expression match operator, =~, to ...
jQuery equivalent of getting the context of a Canvas
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Try:
$("#canvas")[0].getContext('2d');
jQuery exposes the actual DOM element in numeric indexes, where you can perform normal JavaScript/DOM functions.
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How can I negate the return-value of a process?
...m negate -process that negates the value a process returns. It should map 0 to some value != 0 and any value != 0 to 0, i.e. the following command should return "yes, nonexistingpath doesn't exist":
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What exactly does an #if 0 … #endif block do?
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edited May 17 '10 at 21:31
answered May 17 '10 at 21:24
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PHP Function Comments
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answered Aug 21 '09 at 4:10
Josh LeitzelJosh Leitzel
13.6k1010 gold badges5555 silver badges7676 bronze badges
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How to change UIPickerView height
...time, e.g:
smallerPicker = [[UIPickerView alloc] initWithFrame:CGRectMake(0.0, 0.0, 320.0, 120.0)];
You will discover that at various heights and widths, there are visual glitches. Obviously, these glitches would either need to be worked around somehow, or choose another size that doesn't exhibit ...
How do I get user IP address in django?
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450
def get_client_ip(request):
x_forwarded_for = request.META.get('HTTP_X_FORWARDED_FOR')
i...