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How to make type=“number” to positive numbers only
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@Bh00shan — If you type something that is invalid, it will get picked up when the form's submit button is clicked and the user will be prompted to fix it.
– Quentin
Jul 16 at 10:46
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Select every Nth element in CSS
...elements within the same parent element are of the same element type, div. If you have any other elements of different types such as h1 or p, you will need to use :nth-of-type() instead of :nth-child() to ensure you only count div elements:
<body>
<h1></h1>
<div>1</di...
How to not wrap contents of a div?
I've got a fixed-width div with two buttons in it. If the labels of the buttons are too long, they wrap – one button stays on the first line, and the next button follows underneath it instead of adjacent to it.
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Can I try/catch a warning?
...rrline, $errcontext) {
// error was suppressed with the @-operator
if (0 === error_reporting()) {
return false;
}
throw new ErrorException($errstr, 0, $errno, $errfile, $errline);
});
try {
dns_get_record();
} catch (ErrorException $e) {
// ...
}
The important thi...
Get all keys of an NSDictionary as an NSArray
Is it possible to get all the keys from a specific NSDictionary as a seperate NSArray ?
3 Answers
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How do I paste multi-line bash codes into terminal and run it all at once?
... and I think this is the easiest approach, and more flexible/forgiving...
If you'd like to paste multiple lines from a website/text editor/etc., into bash, regardless of whether it's commands per line or a function or entire script... simply start with a ( and end with a ) and Enter, like in the fo...
How do I get the day of week given a date?
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If you'd like Sunday to be day 0: int(datetime.datetime.today().strftime('%w'))
– mrooney
Dec 13 '16 at 8:22
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Determine the path of the executing BASH script [duplicate]
..._PATH="`( cd \"$MY_PATH\" && pwd )`" # absolutized and normalized
if [ -z "$MY_PATH" ] ; then
# error; for some reason, the path is not accessible
# to the script (e.g. permissions re-evaled after suid)
exit 1 # fail
fi
echo "$MY_PATH"
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PHP substring extraction. Get the string before the first '/' or the whole string
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oh. okay. would have been nice if it was possible.
– anon355079
Dec 20 '09 at 14:22
36
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What are the differences and similarities between ffmpeg, libav, and avconv?
...the FFmpeg libraries, is unrelated to the Libav project.
How to tell the difference
If you are using avconv then you are using Libav. If you are using ffmpeg you could be using FFmpeg or Libav. Refer to the first line in the console output to tell the difference: the copyright notice will either m...