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Get current time in seconds since the Epoch on Linux, Bash
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the date manpge should be changed from %s seconds since 1970-01-01 00:00:00 UTC to %s seconds since the epoch, 1970-01-01 00:00:00 UTC because I missed it in there.
– devin
Nov 18 '11 at 19:17
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Dismissing a Presented View Controller
...ontroller
When a View Controller is presented modally, you can dismiss it (from the second view controller) by calling
// Swift
self.dismiss(animated: true, completion: nil)
// Objective-C
[self dismissViewControllerAnimated:YES completion:nil];
The documentation says,
The presenting view control...
Remove empty elements from an array in Javascript
How do I remove empty elements from an array in JavaScript?
44 Answers
44
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Returning JSON from PHP to JavaScript?
... This 'answer' is not complete and rather un-useful. See the answer from aesede for more complete information.
– Funk Doc
May 30 '19 at 16:22
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Should *.xccheckout files in Xcode5 be ignored under VCS?
...uch difference. But if you're using a workspace that has multiple projects from different repositories, the presence of an .xccheckout file in the workspace allows Xcode to know what all of the components that make up a workspace are and where to get them.
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Controlling the screenshot in the iOS 7 multitasking switcher
...redit card numbers. If your interface contains such information, remove it from your views when entering the background. Also, dismiss alerts, temporary interfaces, and system view controllers that obscure your app’s content. The snapshot represents your app’s interface and should be recognizabl...
What does “export” do in shell programming? [duplicate]
...and also lines just showing $ to show more clearly that there is no output from the grep command. Of course, feel free to rollback if you think this loses readability
– fedorqui 'SO stop harming'
Apr 26 '15 at 18:53
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How to trim a file extension from a String in JavaScript?
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if you want to remove an extension from a path including the directories, you can do var parsed = path.parse(filename) followed by path.join(parsed.dir, parsed.name).
– Jespertheend
Nov 22 '19 at 8:41
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Removing colors from output
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I couldn't get decent results from any of the other answers, but the following worked for me:
somescript | sed -r "s/[[:cntrl:]]\[[0-9]{1,3}m//g"
If I only removed the control char "^[", it left the rest of the color data, e.g., "33m". Including the c...
Iterate through pairs of items in a Python list [duplicate]
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From itertools receipes:
from itertools import tee
def pairwise(iterable):
"s -> (s0,s1), (s1,s2), (s2, s3), ..."
a, b = tee(iterable)
next(b, None)
return zip(a, b)
for v, w in pairwise(a):
...
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