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Get nth character of a string in Swift programming language
... and more efficient by sharing storage with the original string, so that's what the subscript functions should return.
Try it out here
extension StringProtocol {
subscript(offset: Int) -> Character { self[index(startIndex, offsetBy: offset)] }
subscript(range: Range<Int>) -> Su...
Trying to fix line-endings with git filter-branch, but having no luck
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Could you tell me what the purpose of the git reset is, please?
– crdx
Sep 13 '12 at 15:58
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Check if a value is an object in JavaScript
... best way is to run Object.prototype.toString.call(yourVar), being yourVar what you need to inspect. In case of arrays, Object.prototype.toString.call([1,2]) returns [object Array]
– Jose Rui Santos
Feb 25 '16 at 9:48
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How can I safely encode a string in Java to use as a filename?
... approach, meaning don't try and filter out bad characters. Instead define what is OK. You can either reject the filename or filter it. If you want to filter it:
String name = s.replaceAll("\\W+", "");
What this does is replaces any character that isn't a number, letter or underscore with nothing...
How should I use git diff for long lines?
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The display of the output of git diff is handled by whatever pager you are using.
Commonly, under Linux, less would be used.
You can tell git to use a different pager by setting the GIT_PAGER environment variable. If you don't mind about paging (for example, your terminal al...
Using LINQ to remove elements from a List
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What's the reason for using HashSet for another collection?
– 123 456 789 0
Aug 7 '12 at 1:51
55
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querySelector search immediate children
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What a surprise: only Edge doesn't support this : )
– Xenos
Oct 30 '19 at 18:15
add a comment
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git rebase, keeping track of 'local' and 'remote'
When doing a git rebase, I often have difficulty working out what is happening with the 'local' and 'remote' when resolving conflicts. I sometimes have the impression that they swap sides from one commit to the next.
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Calling virtual functions inside constructors
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In what way is calling a virtual function from a constructor "dangerous"? This is total nonsense.
– Lightness Races in Orbit
Sep 5 '16 at 20:49
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Best timestamp format for CSV/Excel?
...t are accurate at least to the second, and preferably to the millisecond. What's the best format for timestamps in a CSV file such that they can be parsed accurately and unambiguously by Excel with minimal user intervention?
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