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Swift native base class or NSObject
I tested out some isa swizzling with Swift, and found that it only works when NSObject is a super-class (directly or further up), or by using the '@objc' decoration. Otherwise it will follow a static- and vtable-dispatch style, like C++.
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C++ Singleton design pattern
...lization/implementation of the Singleton design pattern for C++. It has looked like this (I have adopted it from the real life example):
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“’” showing on page instead of “ ' ”
... answered Mar 19 '10 at 13:06
kennytmkennytm
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How can I use NSError in my iPhone App?
I am working on catching errors in my app, and I am looking into using NSError . I am slightly confused about how to use it, and how to populate it.
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Is there a better alternative than this to 'switch on type'?
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Switching on types is definitely lacking in C# (UPDATE: in C#7 / VS 2017 switching on types is supported - see Zachary Yates's answer below). In order to do this without a large if/else if/else statement, you'll need to work with a different structure. I wrote ...
Are static fields open for garbage collection?
... responsible for loading this class) is itself collected for garbage.
Check out the JLS Section 12.7 Unloading of Classes and Interfaces
A class or interface may be unloaded
if and only if its defining class
loader may be reclaimed by the garbage
collector [...] Classes and interfaces
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How can I count text lines inside an DOM element? Can I?
...there's a way to count lines inside a div for example. Say we have a div like so:
16 Answers
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Create a shortcut on Desktop
I want to create a shortcut pointing to some EXE file, on the desktop, using .NET Framework 3.5 and relying on an official Windows API. How can I do that?
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How do I interactively unstage a particular hunk in git?
In git, if I have a couple of hunks from the same file staged in my index, how can I interactively unstage one of them?
3 A...
Which UUID version to use?
...n 1 or version 4.
Version 1: This generates a unique ID based on a network card MAC address and a timer. These IDs are easy to predict (given one, I might be able to guess another one) and can be traced back to your network card. It's not recommended to create these.
Version 4: These are generated...