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Is 'switch' faster than 'if'?
...s and many cases against values in said enumeration. That said, I stand by what I said above in 2011 -- too often I see people thinking "if I make it a switch, it'll be the same time no matter how many cases I have" -- and that's completely false. Even with a jump table you get the indirect jump cos...
pyplot scatter plot marker size
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This can be a somewhat confusing way of defining the size but you are basically specifying the area of the marker. This means, to double the width (or height) of the marker you need to increase s by a factor of 4. [because A = WH => (2W)(2H...
Why is list initialization (using curly braces) better than the alternatives?
... that you should prefer {} by default will lead to people misunderstanding what's going on. This isn't your fault, though. I personally think it's an extremely poorly thought out feature.
– user1520427
Feb 2 '15 at 1:40
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Passing variable arguments to another function that accepts a variable argument list
...);
va_end(args);
}
static void exampleV(int b, va_list args)
{
...whatever you planned to have exampleB do...
...except it calls neither va_start nor va_end...
}
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The relationship could not be changed because one or more of the foreign-key properties is non-nulla
...nually. Entity Framework doesn't do that for you. It finally cannot decide what you want to do with the old child items - if you want to throw them away or if you want to keep and assign them to other parent entities. You must tell Entity Framework your decision. But one of these two decisions you H...
What is the HMVC pattern?
...(one of the Kohana developers) wrote a rather in-depth article about HMVC, what it is, and how it can be used.
Link is dead: New Link - https://web.archive.org/web/20160214073806/http://techportal.inviqa.com/2010/02/22/scaling-web-applications-with-hmvc/
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'and' (boolean) vs '&' (bitwise) - Why difference in behavior with lists vs numpy arrays?
What explains the difference in behavior of boolean and bitwise operations on lists vs NumPy arrays?
8 Answers
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“elseif” syntax in JavaScript
...sed to languages that have an elseif. I know it's identical, but I wonder what javascript's reason is for leaving it out. I am glad, however, that they didn't use elif, because that's just wrong :)
– Jay K
Aug 6 '12 at 22:39
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What is the equivalent of bigint in C#?
What am I supposed to use when handling a value in C#, which is bigint for an SQL Server database?
10 Answers
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What is the purpose of the word 'self'?
What is the purpose of the self word in Python? I understand it refers to the specific object created from that class, but I can't see why it explicitly needs to be added to every function as a parameter. To illustrate, in Ruby I can do this:
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