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How to copy an object in Objective-C
I need to deep copy a custom object that has objects of its own. I've been reading around and am a bit confused as to how to inherit NSCopying and how to use NSCopyObject.
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How to get RGB values from UIColor?
I'm creating a color object using the following code.
15 Answers
15
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Why is there an unexplainable gap between these inline-block div elements? [duplicate]
I have two inline-block div elements, that are the same, positioned next to eachother. However there seems to be a mysterious space of 4 pixels between the two divs despite the margin being set to 0. There are no parent divs effecting them - What is going on?
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ASP.Net: Literal vs Label
I just wanted to hear some authorities on when and where you should use a LITERAL control over a LABEL .
4 Answers
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Why do people use __(double underscore) so much in C++
I was having a look through some open source C++ code and notice a lot of double under scores where used in the code, mainly at the start of variable names.
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Why is parenthesis in print voluntary in Python 2.7?
In Python 2.7 both the following will do the same
4 Answers
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How to embed an autoplaying YouTube video in an iframe?
I am trying to embed the new iframe version of a YouTube video and get it to auto play.
14 Answers
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Do c++11 lambdas capture variables they don't use?
When I use [=] to indicate that I would like all local variables to be captured by value in a lambda, will that result in all local variables in the function being copied, or just all local variables that are used by the lambda ?
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HTML: How to limit file upload to be only images?
With HTML, how do I limit what kind of filetypes can be uploaded?
9 Answers
9
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What kind of leaks does automatic reference counting in Objective-C not prevent or minimize?
In the Mac and iOS platforms, memory leaks are often caused by unreleased pointers. Traditionally, it has always been of utmost importance to check your allocs, copies and retains to make sure each has a corresponding release message.
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