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Is the “struct hack” technically undefined behavior?

... It's not clear if it's legal or portable, but it is rather popular. and: ... an official interpretation has deemed that it is not strictly conforming with the C Standard, although it does seem to work under all known implementations. (Compilers which check array bounds carefully might iss...
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LINQ: Distinct values

...g to be distinct by more than one field? If so, just use an anonymous type and the Distinct operator and it should be okay: var query = doc.Elements("whatever") .Select(element => new { id = (int) element.Attribute("id"), c...
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best way to get the key of a key/value javascript object

...ll(o,p)) ret.push(p); return ret; } Of course if you want both, key and value, then for...in is the only reasonable solution. share | improve this answer | follow ...
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How do I access properties of a javascript object if I don't know the names?

...ke this: for (var key in data) { console.log(key); } This logs "Name" and "Value". If you have a more complex object type (not just a plain hash-like object, as in the original question), you'll want to only loop through keys that belong to the object itself, as opposed to keys on the object's...
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Returning an array using C

I am relatively new to C and I need some help with methods dealing with arrays. Coming from Java programming, I am used to being able to say int [] method() in order to return an array. However, I have found out that with C you have to use pointers for arrays when you return them. Being a new progr...
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Unmangling the result of std::type_info::name

... information about the calling function. This should be relatively easy, standard C++ has a type_info class. This contains the name of the typeid'd class/function/etc. but it's mangled. It's not very useful. I.e. typeid(std::vector<int>).name() returns St6vectorIiSaIiEE . ...
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Split a collection into `n` parts with LINQ?

... A pure linq and the simplest solution is as shown below. static class LinqExtensions { public static IEnumerable<IEnumerable<T>> Split<T>(this IEnumerable<T> list, int parts) { int i = 0; ...
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Case-Insensitive List Search

...in the list. Therefore, I need to do a case-insensitive search of the list and make it efficient. I can't use Contains because that doesn't take into account the casing. I also don't want to use ToUpper/ToLower for performance reasons. I came across this method, which works: ...
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Ternary Operator Similar To ?:

... answered Feb 9 '11 at 19:06 LandeiLandei 51.5k1212 gold badges8686 silver badges183183 bronze badges ...
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(13: Permission denied) while connecting to upstream:[nginx]

I am working with configuring Django project with Nginx and Gunicorn. 8 Answers 8 ...