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Safe (bounds-checked) array lookup in Swift, through optional bindings?
...x) > 0 ? self[safeIndex] : nil
}
}
¹: not true, but it gives the idea
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Get current date in milliseconds
Can any one give me an idea how to get the current date in milliseconds?
12 Answers
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Why doesn't os.path.join() work in this case?
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The idea of os.path.join() is to make your program cross-platform (linux/windows/etc).
Even one slash ruins it.
So it only makes sense when being used with some kind of a reference point like
os.environ['HOME'] or os.path.dirna...
Remove the last line from a file in Bash
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@Alex: updated for GNU sed; no idea about the various BSD/UNIX/MacOS sed versions...
– thkala
Jan 23 '17 at 21:44
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Setting background-image using jQuery CSS property
...e-banner .bg').css('background-image', 'url(' + bg_img + ')'); }); Any idea why?
– Gaston Coroleu
Oct 1 '18 at 14:05
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how do I check in bash whether a file was created more than x time ago?
.... Especially since a simple chmod, applied on the file, will nullify that idea. But I can live with you doing that ;-)
– Alfe
Oct 6 '14 at 10:08
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Archiving project in Xcode incorrectly creates multi-application bundle
...Absolute path to products directory.
and that was it!
hint: to get an idea of the offending files that's causing your archive to create an archive file rather than an ipa do this:
Select the archive and click the Distribute button.
Select the 'Save Built Products' option.
Hit Next and Save....
jQuery validation: change default error message
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Yeah this actually looks like a better idea than changing the defaults, although that's what the OP originally asked for
– Roger
Jun 4 '12 at 19:42
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What is an .inc and why use it?
...d at a new job and saw these littered throughout the application. I had no idea it was purely a convention. Thanks!
– Chev
Jun 25 '14 at 19:54
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When to use Cast() and Oftype() in Linq
...Exception if the cast fails. A less efficient yet useful variation on this idea is OfType():
public IEnumerable<T> OfType<T>(this IEnumerable source)
{
foreach(object o in source)
if(o is T)
yield return (T) o;
}
The returned enumeration will only include elements that can...