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How do I remove a key from a JavaScript object? [duplicate]

... The delete operator allows you to remove a property from an object. The following examples all do the same thing. // Example 1 var key = "Cow"; delete thisIsObject[key]; // Example 2 delete thisIsObject["Cow"]; // Example 3 delete thisIsO...
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The role of #ifdef and #ifndef

...o do something like that with the old #ifdef/#ifndef pair. #if defined(ORA_PROC) || defined(__GNUC) && __GNUC_VERSION > 300 share | improve this answer | follow ...
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Conditional import of modules in Python

...ad of relying on the user; here's pySerial doing it as an example. serial/__init__.py import sys if sys.platform == 'cli': from serial.serialcli import Serial else: import os # chose an implementation, depending on os if os.name == 'nt': # sys.platform == 'win32': from se...
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If Python is interpreted, what are .pyc files?

...'translated'. Python is then compiled to a bytecode. AFAIK, only Bash is really interpreted , all other popular "interpreted" languages are all compiled to a bytecode. – bfontaine Aug 6 '14 at 13:42 ...
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Passing current scope to an AngularJS Service

...In the service constructor you can assign the scope to something like this._scope and then reference the scope within the service! angular.module('blah').controller('BlahCtrl', function($scope, BlahService) { $scope.someVar = 4; $scope.blahService = new blahService($scope); }); angular....
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How to get an enum value from a string value in Java?

... @treesAreEverywhere More specifically, those methods are generated (or synthesized) by the compiler. The actual enum Blah {...} definition shouldn't try to declare its own values nor valuesOf. It's like how you can write "AnyTypeName.class" even though you...
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Best way to initialize (empty) array in PHP

...ferent ways, with the literal grammar not being dogged by the overhead of calling a function. PHP, on the other hand, has language constructs that may look like functions but aren't treated as such. Even with PHP 5.4, which supports [] as an alternative, there is no difference in overhead because...
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Android : difference between invisible and gone?

...! I have no answer for your question. If you think this was very clear for all users, then the accepted answer should be a comment and have a link of documentation site. Am I correct? – Pankaj Kumar Mar 12 '15 at 6:09 ...
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How do I insert NULL values using PDO?

...akes a variable, to reference, and doesn't pull in a value at the time of calling bindParam. I found this in a comment on the php docs: bindValue(':param', null, PDO::PARAM_INT); EDIT: P.S. You may be tempted to do this bindValue(':param', null, PDO::PARAM_NULL); but it did not work for everybody...
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MVC 3: How to render a view without its layout page when loaded via ajax?

... @Matt Greer, you call it nasty, I call it DRY, subjective stuff anyway :-) – Darin Dimitrov Mar 15 '11 at 21:44 ...