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Efficient way to remove ALL whitespace from String?

... .ToArray()); } I tested it in a simple unit test: [Test] [TestCase("123 123 1adc \n 222", "1231231adc222")] public void RemoveWhiteSpace1(string input, string expected) { string s = null; for (int i = 0; i < 1000000; i++) { s = input.RemoveWhitespace(); } Assert...
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Python's “in” set operator

...s, you need to use set operations like issubset(): >>> k {'ip': '123.123.123.123', 'pw': 'test1234', 'port': 1234, 'debug': True} >>> set('ip,port,pw'.split(',')).issubset(set(k.keys())) True >>> set('ip,port,pw'.split(',')) in set(k.keys()) False ...
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TypeError: got multiple values for argument

...ut it took me ages to realise that. I had self.myFunction(self, a, b, c='123') but it should have been self.myFunction(a, b, c='123') share | improve this answer | fol...
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Validate that a string is a positive integer

...ue); }, false ); test("1", true); test("1.23", false); test("1234567890123", true); test("1234567890123.1", false); test("0123", false); // false because we don't handle leading 0s test(" 123 ", false); // false because we don't handle whitespace <label> String: <inp...
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Hidden Features of VB.NET?

...5b" Like "a[L-P]#[!c-e]" ' The following statement returns True (does "BAT123khg" begin with a' ' "B", followed by any single character, followed by a "T", and end' ' with zero or more characters of any type?)' testCheck = "BAT123khg" Like "B?T*" ' The following statement returns False (does...
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pandas: filter rows of DataFrame with operator chaining

... 398 I'm not entirely sure what you want, and your last line of code does not help either, but anywa...
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what is faster: in_array or isset? [closed]

...e, you can check out the compiled version of your script: echo isset($arr[123]) compiled vars: !0 = $arr line # * op fetch ext return operands ----------------------------------------------------------------------------- 1 0 > ZEND_ISSET_ISEMPTY_...
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python capitalize first letter only

... you can use '2'.isdigit() to check for each character. >>> s = '123sa' >>> for i, c in enumerate(s): ... if not c.isdigit(): ... break ... >>> s[:i] + s[i:].capitalize() '123Sa' sha...
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How to detect if CMD is running as Administrator/has elevated privileges?

...findstr /c:"Enabled group" && echo "I have a admin!" - work on 95, 98, 2000, xp, vista, 7, 8! (From comment "I like Rushyo's sugesstion of using AT ...") – barwnikk Sep 2 '13 at 14:10 ...
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How to list all the files in a commit?

... to be programmatic): $ git diff-tree --no-commit-id --name-only -r bd61ad98 index.html javascript/application.js javascript/ie6.js Another Way (less preferred for scripts, because it's a porcelain command; meant to be user-facing) $ git show --pretty="" --name-only bd61ad98 index.html javas...