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How to log a method's execution time exactly in milliseconds?

...Since(methodStart) print("Execution time: \(executionTime)") Easy to use and has sub-millisecond precision. share | improve this answer | follow | ...
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How to solve Operator '!=' cannot be applied to operands of type 'T' and 'T' [duplicate]

... I can't believe my answer survived a year and a half with no one pointing out the huge typo... – user541686 Oct 21 '13 at 21:11 ...
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How can I define colors as variables in CSS?

...te long. I know that the client could ask for changes to the color scheme, and was wondering: is it possible to assign colors to variables, so that I can just change a variable to have the new color applied to all elements that use it? ...
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Safe (bounds-checked) array lookup in Swift, through optional bindings?

If I have an array in Swift, and try to access an index that is out of bounds, there is an unsurprising runtime error: 19 A...
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Can someone explain Microsoft Unity?

...tern (we use it here), but I just can't really grasp this Unity thing yet, and I think it's the next step in our application design. ...
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Is there an AddRange equivalent for a HashSet in C#

...dicate the distinct way the HashSet works. You cannot safely Add a set of random elements to it like in Collections, some elements may naturally evaporate. I think that UnionWith takes its name after "merging with another HashSet", however, there's an overload for IEnumerable<T> too. ...
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How do I clone a GitHub wiki?

...thub.com:myusername/foobar.git would be the path to clone your repository and git clone git@github.com:myusername/foobar.wiki.git would be the path to clone its wiki. Note: You must have at least one page to be able to clone the wiki repo. (via @tobiasz-cudnik) ...
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private[this] vs private

...t very rich Java background I learnt to close everything (make it private) and open (provide accessors) if necessary. Scala introduces even more strict access modifier. Should I always use it by default? Or should I use it only in some specific cases where I need to explicitly restrict changing fiel...
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Which types can be used for Java annotation members?

...ted to create my first annotation interface following this documentation and I got this compiler error 4 Answers ...
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What is a unix command for deleting the first N characters of a line?

...ave any idea of why the pipe doesn't work? when i run essentially that command, 'cut' doesn't print the results to stdout ... if i just run 'tail -f logfile | cut -c 5-' i can see the results ... the problem must be with grep i'm using cygwin FYI thanks – les2 ...