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Why are all fields in an interface implicitly static and final?

...e-time constants, or even immutable. You can define e.g. interface I { String TOKEN = SomeOtherClass.heavyComputation(); JButton BAD_IDEA = new JButton("hello"); } (Beware that doing this inside an annotation definition can confuse javac, relating to the fact that the above actually compile...
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How to combine class and ID in CSS selector?

...* Won't work in IE6, but valid */ div.firstClass.secondClass /* ditto */ and, per your example: div#content.sectionA Edit, 4 years later: Since this is super old and people keep finding it: don't use the tagNames in your selectors. #content.myClass is faster than div#content.myClass because the...
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How do you handle multiple submit buttons in ASP.NET MVC Framework?

...c class MultipleButtonAttribute : ActionNameSelectorAttribute { public string Name { get; set; } public string Argument { get; set; } public override bool IsValidName(ControllerContext controllerContext, string actionName, MethodInfo methodInfo) { var isValidName = false; ...
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Regular expression to extract text between square brackets

Simple regex question. I have a string on the following format: 14 Answers 14 ...
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Pseudo-terminal will not be allocated because stdin is not a terminal

...hat the remote command is comprised of a syntactically correct, multi-line string. There are a variety of syntaxes that can be used. For example, since commands can be piped into bash and sh, and probably other shells too, the simplest solution is to just combine ssh shell invocation with heredocs...
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How do I output coloured text to a Linux terminal?

... I use it defining "manipulators", such as const std::string red("\033[0;31m"); or const std::string reset("\033[0m");. Then, I can write simply cout << red << "red text" << reset << endl;. – Daniel Langr Feb 1 '16 a...
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How to declare global variables in Android?

...ple, with caveats to follow: class MyApp extends Application { private String myState; public String getState(){ return myState; } public void setState(String s){ myState = s; } } class Blah extends Activity { @Override public void onCreate(Bundle b){ ... MyApp app...
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How to prevent gcc optimizing some statements in C?

...ch function that is defined after this point is as if attribute((optimize("STRING"))) was specified for that function.". – Ciro Santilli 郝海东冠状病六四事件法轮功 Jun 26 '19 at 15:21 ...
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Regular vs Context Free Grammars

...re's an analogous pumping lemma for context-free languages that breaks the strings in the language into five parts, uvxyz, and where all instances of the language are in uvixyiz, for i ≥ 0. Now, you have two "nonterminals" that can be replicated, or pumped, as long as you have the same number. ...
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How to implement one-to-one, one-to-many and many-to-many relationships while designing tables?

Can anyone explain how to implement one-to-one, one-to-many and many-to-many relationships while designing tables with some examples? ...