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Why shouldn't I use PyPy over CPython if PyPy is 6.3 times faster?
I've been hearing a lot about the PyPy project. They claim it is 6.3 times faster than the CPython interpreter on their site .
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What does string::npos mean in this code?
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It means not found.
It is usually defined like so:
static const size_t npos = -1;
It is better to compare to npos instead of -1 because the code is more legible.
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In Objective-C why should I check if self = [super init] is not nil?
I have a general question about writing init methods in Objective-C.
9 Answers
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What do ellipsis […] mean in a list?
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It means that you created an infinite list nested inside itself, which can not be printed. p contains p which contains p ... and so on. The [...] notation is a way to let you know this, and to inform that it can't be represe...
Image resizing client-side with JavaScript before upload to the server
I am looking for a way to resize an image client-side with JavaScript (really resize, not just change width and height).
I know it's possible to do it in Flash but I would like to avoid it if possible.
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Software Design vs. Software Architecture [closed]
...ld someone explain the difference between Software Design and Software Architecture?
41 Answers
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Is there a performance impact when calling ToList()?
...List()
Yes, IEnumerable<T>.ToList() does have a performance impact, it is an O(n) operation though it will likely only require attention in performance critical operations.
The ToList() operation will use the List(IEnumerable<T> collection) constructor. This constructor must make a cop...
Transactions in REST?
I'm wondering how you'd implement the following use-case in REST. Is it even possible to do without compromising the conceptual model?
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Difference between __str__ and __repr__?
...Alex summarized well but, surprisingly, was too succinct.
First, let me reiterate the main points in Alex’s post:
The default implementation is useless (it’s hard to think of one which wouldn’t be, but yeah)
__repr__ goal is to be unambiguous
__str__ goal is to be readable
Container’s __s...
How can I disable ReSharper in Visual Studio and enable it again?
I installed ReSharper , and it works in Visual Studio, but how can disable it?
13 Answers
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