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What's the purpose of using braces (i.e. {}) for a single-line if or loop?

...think of is nested if's: if (cond1) if (cond2) doSomething(); Now, assume you now want to doSomethingElse() when cond1 is not met (new feature). So: if (cond1) if (cond2) doSomething(); else doSomethingElse(); which is obviously wrong, since the else associates with the ...
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How to make lists contain only distinct element in Python? [duplicate]

... i am wrong or with python3k the values will be preserved, cause set now are sorted? – Ant Dec 16 '10 at 10:32 2 ...
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Use of .apply() with 'new' operator. Is this possible?

...or even // return new (Cls.bind.apply(Cls, arguments)); // if you know that Cls.bind has not been overwritten } It can be used as follows: var s = newCall(Something, a, b, c); or even directly: var s = new (Function.prototype.bind.call(Something, null, a, b, c)); var s = new (Function.pro...
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Is unsigned integer subtraction defined behavior?

... Thank you! I now see the interpretation I was missing. I think they could have chosen a clearer wording though. – user14554 Aug 28 '11 at 14:25 ...
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What techniques can be used to define a class in JavaScript, and what are their trade-offs?

...refer to use OOP in large scale projects like the one I'm working on right now. I need to create several classes in JavaScript but, if I'm not mistaken, there are at least a couple of ways to go about doing that. What would be the syntax and why would it be done in that way? ...
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Is there a reason that we cannot iterate on “reverse Range” in ruby?

... trying to add years to a form, I used: = f.select :model_year, (Time.zone.now.year + 1).downto(Time.zone.now.year - 100).to_a – Eric Norcross May 2 '18 at 0:14 add a comment ...
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What differences, if any, between C++03 and C++11 can be detected at run-time?

...) { return false; } bool isCpp0x() { return isCpp0xImpl(""); } I don't know how likely you are to have this working on a real implementation though. One that exploits auto struct x { x(int z = 0):z(z) { } int z; } y(1); bool isCpp0x() { auto x(y); return (y.z == 1); } The following is bas...
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Will Dart support the use of existing JavaScript libraries?

... The answer is now Yes! Dart now ships a JS-interop library to use existing JavaScript code with your Dart app. Learn more here: https://www.dartlang.org/articles/js-dart-interop/ ...
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How to navigate through textfields (Next / Done Buttons)

... it. Benefits: Closer to OSX textfield implementation where a textfield knows where the focus should go next Does not rely on setting or using tags -- which are, IMO fragile for this use case Can be extended to work with both UITextField and UITextView controls -- or any keyboard entry UI control ...
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Can someone give an example of cosine similarity, in a very simple, graphical way?

...e than Linda loves me Jane likes me more than Julie loves me We want to know how similar these texts are, purely in terms of word counts (and ignoring word order). We begin by making a list of the words from both texts: me Julie loves Linda than more likes Jane Now we count the number of times ...