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Get line number while using grep
...f 1 | tail -1 (you can save this to a variable and use it to e.g tail file from it)
– Nux
May 7 '14 at 14:08
And to re...
Installation error: INSTALL_PARSE_FAILED_MANIFEST_MALFORMED?
...tion Requested for id = 6, data=file:///data/local/tmp/foo.apk flags=112 fromVerificationActivity=false
W/PackageParser(32707): /data/local/tmp/foo.apk (at Binary XML file line #214): <provider> does not include authorities attribute
D/Finsky (32707): [716] PackageVerificationService.getPac...
Build.scala, % and %% symbols meaning
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From the official documentation:
http://www.playframework.com/documentation/2.1.1/SBTDependencies
Getting the right Scala version with %%
If you use groupID %% artifactID % revision instead of groupID % artifactID %...
Remove first 4 characters of a string with PHP
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You could use the substr function to return a substring starting from the 5th character:
$str = "The quick brown fox jumps over the lazy dog."
$str2 = substr($str, 4); // "quick brown fox jumps over the lazy dog."
...
Compare JavaScript Array of Objects to Get Min / Max
...that could cause issues, like non-objects, or if that property was missing from some of the objects. Ultimately it's getting a little heavy-handed for most cases I think.
– Tristan Reid
Oct 3 '19 at 13:53
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What do @, - and + do as prefixes to recipe lines in Make?
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@ prevents the command line from echoing out to the console. You can do it globally with -s or --keep-silent
- tells make to keep going, even if the command fails for some reason. You can do it globally via the -i flag (or --ignore-errors).
+ I was no...
Blocks on Swift (animateWithDuration:animations:completion:)
...it is hiding slowly and when it is completely transparent; removes it self from parent view
ok variable will always returns true with animation termination.
alpha = 1
UIView.animate(withDuration: 0.5, animations: {
self.alpha = 0
}) { (ok) in
print("Ended \(ok)")
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How to check if a number is a power of 2
... 0);
}
Explanation
First and foremost the bitwise binary & operator from MSDN definition:
Binary & operators are predefined for the integral types and bool. For
integral types, & computes the logical bitwise AND of its operands.
For bool operands, & computes the logical AN...
Are there any worse sorting algorithms than Bogosort (a.k.a Monkey Sort)? [closed]
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From David Morgan-Mar's Esoteric Algorithms page: Intelligent Design Sort
Introduction
Intelligent design sort is a sorting algorithm based on the theory of
intelligent design.
Algorithm Description
The p...
Fastest way to check if a value exists in a list
...ay to do it.
You can also consider using a set, but constructing that set from your list may take more time than faster membership testing will save. The only way to be certain is to benchmark well. (this also depends on what operations you require)
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