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JavaScript: How to pass object by value?
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Not really.
Depending on what you actually need, one possibility may be to set o as the prototype of a new object.
var o = {};
(function(x){
var obj = Object.create( x );
obj.foo = 'foo';
obj.bar = 'bar';
})(o);
alert( o.foo ); // undefined
So any properties you add to ...
Cannot create an NSPersistentStoreCoordinator with a nil model
...and I'm getting the following error when running my code on my device, but it works fine on the simulator..
27 Answers
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Rails DB Migration - How To Drop a Table?
... table that I thought I was going to need, but now no longer plan on using it. How should I remove that table?
22 Answers
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PHP - Extracting a property from an array of objects
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edited Jul 20 '16 at 9:39
MikeSchinkel
4,49544 gold badges2929 silver badges4141 bronze badges
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Is there a better way to run a command N times in bash?
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edited Nov 7 '18 at 18:52
Joshua Pinter
34k1717 gold badges188188 silver badges208208 bronze badges
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Why should I not include cpp files and instead use a header?
...les and source files. As far as the language is concerned, any text file with legal code is the same as any other. However, although not illegal, including source files into your program will pretty much eliminate any advantages you would've got from separating your source files in the first place...
File being used by another process after using File.Create()
I'm trying to detect if a file exists at runtime, if not, create it. However I'm getting this error when I try to write to it:
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Differences between lodash and underscore [closed]
Why would someone prefer either the lodash.js or underscore.js utility library over the other?
12 Answers
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Why does C++ require a user-provided default constructor to default-construct a const object?
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This was considered a defect (against all versions of the standard) and it was resolved by Core Working Group (CWG) Defect 253. The new wording for the standard states in http://eel.is/c++draft/dcl.init#7
A class type T is const-default-constructible if
default-initialization of T would inv...
Jasmine JavaScript Testing - toBe vs toEqual
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For primitive types (e.g. numbers, booleans, strings, etc.), there is no difference between toBe and toEqual; either one will work for 5, true, or "the cake is a lie".
To understand the difference between toBe and toEqual, let's imag...