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Should I be using object literals or constructor functions?

...on () { return this.x + this.y + this.z; } }; var ObjCon = function(_x, _y, _z) { var x = _x; // private var y = _y; // private this.z = _z; // public this.add = function () { return x + y + this.z; // note x, y doesn't need this. }; }; // use the objects: objLit.x = 3; objLit...
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Python function attributes - uses and abuses [closed]

..., arg2): ... then I can define def webmethod(func): func.is_webmethod = True return func Then, when a webservice call arrives, I look up the method, check whether the underlying function has the is_webmethod attribute (the actual value is irrelevant), and refuse the service if ...
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Unit testing that events are raised in C# (in order)

...n, you can easily extend your existing test: [TestMethod] public void Test_ThatMyEventIsRaised() { List<string> receivedEvents = new List<string>(); MyClass myClass = new MyClass(); myClass.PropertyChanged += delegate(object sender, PropertyChangedEventArgs e) { ...
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What's a good way to extend Error in JavaScript?

...){ Object.setPrototypeOf(CustomError, Error); } else { CustomError.__proto__ = Error; } Alternative: use Classtrophobic framework Explanation: Why extending the Error class using ES6 and Babel is a problem? Because an instance of CustomError is not anymore recognized as such. class Cus...
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Xcode build failure “Undefined symbols for architecture x86_64”

...ometimes the error "build failure “Undefined symbols for architecture x86_64”" may be caused by this. Because, some libs (not Apple's) were compiled for x32 originally and doesn't support x64. So what you need, is to change the "Architectures" for your project target like this NB. If you're us...
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Symfony 2 EntityManager injection in service

...service and I need to inject doctrine EntityManager, but I don't see that __construct() is called on my service, and injection doesn't work. ...
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Is there a foreach loop in Go?

... https://golang.org/ref/spec#For_range A "for" statement with a "range" clause iterates through all entries of an array, slice, string or map, or values received on a channel. For each entry it assigns iteration values to corresponding iteration v...
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Using the Underscore module with Node.js

...ms that the first time I use a function from Underscore, it overwrites the _ object with the result of my function call. Anyone know what's going on? For example, here is a session from the node.js REPL: ...
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Warning “Do not Access Superglobal $_POST Array Directly” on Netbeans 7.4 for PHP

I've got this message warning on Netbeans 7.4 for PHP while I'm using $_POST , $_GET , $_SERVER , .... 5 Answers ...
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Python argparse mutual exclusive group

... add_mutually_exclusive_group doesn't make an entire group mutually exclusive. It makes options within the group mutually exclusive. What you're looking for is subcommands. Instead of prog [ -a xxxx | [-b yyy -c zzz]], you'd hav...