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Using -performSelector: vs. just calling the method
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Basically performSelector allows you to dynamically determine which selector to call a selector on the given object. In other words the selector need not be determined before runtime.
Thus even though these are equivalent:
[anObject ...
Android: ListView elements with multiple clickable buttons
...In that case you could use something like setTag() to store the position information.
– greg7gkb
Jul 25 '12 at 20:53
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What's the difference between URI.escape and CGI.escape?
...hich also mentions WEBrick::HTTPUtils.escape and WEBrick::HTTPUtils.escape_form.
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Get query string parameters url values with jQuery / Javascript (querystring)
...ou like in a querystring as long as your code understands it. But, when a form is submitted, the form fields are submitted as name=value pairs, separated by &. If your code is using a custom querystring format, obviously, you'll need to write a custom querystring parser wherever the querystrin...
Double Negation in C++
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@lzprgmr: explicit cast causes a "performance warning" on MSVC. Using !! or !=0 solves the problem, and among the two I find the former cleaner (since it will work on a greater amount of types). Also I agree that there is no reason to use either in the code in q...
What's the name for hyphen-separated case?
...Wikipedia entry, so some people have described it as lisp-case. Some other forms I've seen include caterpillar-case, dash-case, and hyphen-case, but none of these is standard.
So the answer to your question is: No, there isn't a single widely-accepted name for this case convention analogous to snak...
Datatype for storing ip address in SQL Server
... is what it actually is (no, not even an INT32/INT(4), the numeric textual form that we all know and love (255.255.255.255) being just the display conversion of its binary content).
If you do it this way, you will want functions to convert to and from the textual-display format:
Here's how to conv...
Is there a (repeat-last-command) in Emacs?
...d again, you can
repeat the command over and over.
To see additional information about the repeat command, type C-h F repeat RET from within Emacs.
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What are the various “Build action” settings in Visual Studio project properties and what do they do
...the code-behind with the x:Class="Namespace.ClassName" and set the startup form/page with StartupUri="Window1.xaml"
SplashScreen (WPF only): An image that is marked as SplashScreen is shown automatically when an WPF application loads, and then fades
DesignData: Compiles XAML viewmodels so that userc...
Circular list iterator in Python
...ich BTW also works just fine on Python 2.x, and therefore is the canonical form that should be used). See Is generator.next() visible in python 3.0? for a more in-depth explanation. Updated my answer accordingly.
– Lukas Graf
Aug 21 '15 at 18:54
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