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What is the difference between self::$bar and static::$bar in PHP?

...which may not be what you intend: class Foo { protected static $bar = 1234; } class Bar extends Foo { protected static $bar = 4321; } When you call a method via static, you're invoking a feature called late static bindings (introduced in PHP 5.3). In the above scenario, using self will ...
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Is it worth using Python's re.compile?

... dF.dF. 64.2k2727 gold badges123123 silver badges134134 bronze badges 5 ...
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Can I convert a C# string value to an escaped string literal

... Does not work. If I have "abc\n123" (without quotes, 8 chars), I want "abc" + \n + "123" (7 chars). Instead it produces "abc" + "\\" + "\n123" (9 chars). Notice the slash was doubled and it still contains a string literal of "\n" as two characters, not t...
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Virtual Serial Port for Linux

...ut it describes the "old style" BSD pseudo-terminals. The "new style" UNIX 98 pseudo-terminals operate a bit differently—see pts man page for details. – Craig McQueen Aug 21 '12 at 3:16 ...
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Can I multiply strings in Java to repeat sequences? [duplicate]

... Two ways comes to mind: int i = 3; String someNum = "123"; // Way 1: char[] zeroes1 = new char[i]; Arrays.fill(zeroes1, '0'); String newNum1 = someNum + new String(zeroes1); System.out.println(newNum1); // 123000 // Way 2: String zeroes2 = String.format("%0" + i + "d", 0); St...
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How to send and retrieve parameters using $state.go toParams and $stateParams?

... So also you should pass toParams as array like this: params = { 'index': 123, 'anotherKey': 'This is a test' } paramsArr = (val for key, val of params) $state.go('view', paramsArr) And you can access them via $stateParams as array like this: app.controller('overviewController', function($scope,...
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How do I check to see if a value is an integer in MySQL?

...NED ) // will return 0 if not numeric string. for example SELECT CAST('a123' AS UNSIGNED) // returns 0 SELECT CAST('123' AS UNSIGNED) // returns 123 i.e. > 0 share | improve this answer ...
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Difference between final and effectively final

...ited Aug 3 '18 at 16:13 user10111237 answered Jan 5 '14 at 19:32 Suresh AttaSuresh Atta ...
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What is the maximum length of latitude and longitude? [closed]

... misleading. A completely different issue. – bugmenot123 May 2 '18 at 15:03 Do you know why the valid latitudes are fr...
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