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What is the difference between ArrayList.clear() and ArrayList.removeAll()?
...h faster since it doesn't have to deal with all those extra method calls.
And as Atrey points out, c.contains(..) increases the time complexity of removeAll to O(n2) as opposed to clear's O(n).
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Remove or uninstall library previously added : cocoapods
...our podfile (delete the lines with the pods you don't want to use anymore) and run:
$ pod install
Done.
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Does “git fetch --tags” include “git fetch”?
A nice and simple question - is the function of "git fetch" a strict sub-set of git fetch --tags ?
6 Answers
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Null or default comparison of generic argument in C#
...is respects IEquatable<T> (without boxing) as well as object.Equals, and handles all the Nullable<T> "lifted" nuances. Hence:
if(EqualityComparer<T>.Default.Equals(obj, default(T))) {
return obj;
}
This will match:
null for classes
null (empty) for Nullable<T>
zero/f...
How do I create a custom Error in JavaScript?
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Update your code to assign your prototype to the Error.prototype and the instanceof and your asserts work.
function NotImplementedError(message) {
this.name = "NotImplementedError";
this.message = (message || "");
}
NotImplementedError.prototype = Error.prototype;
However, I wou...
How can I do test setup using the testing package in Go
...outlined here in the Main section:
TestMain runs in the main goroutine and can do whatever setup and
teardown is necessary around a call to m.Run. It should then call
os.Exit with the result of m.Run
It took me some time to figure out that this means that if a test contains a function func...
Procedure expects parameter which was not supplied
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I would check my application code and see what value you are setting @template to. I suspect it is null and therein lies the problem.
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Read entire file in Scala?
What's a simple and canonical way to read an entire file into memory in Scala? (Ideally, with control over character encoding.)
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How to install XNA game studio on Visual Studio 2012?
...ws 8.1/VS2012 to play nicely with XNA. What can I say, it works. Well done and thanks.
– Gareth
Jan 23 '14 at 20:19
Th...
Stashing only un-staged changes in Git
...stash push. It differs from "stash push" in that it cannot take pathspecs, and any non-option arguments form the message."
– jocull
Aug 27 '19 at 20:14
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