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In Objective-C why should I check if self = [super init] is not nil?
...ormat.sjt"];
[NSImage imageNamed:@"AnImageThatIsntInTheImageCache"];
... and so on. (Note: NSData might throw an exception if the file doesn't exist). There are quite a few areas where returning nil is the expected behaviour when a problem occurs, and because of this it's standard practice to chec...
Is there a way to define a min and max value for EditText in Android?
I want to define a min and max value for an EditText .
24 Answers
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What is a “callback” in C and how are they implemented?
From the reading that I have done, Core Audio relies heavily on callbacks (and C++, but that's another story).
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How do BitTorrent magnet links work?
... I used a magnet link . Curious about how it works, I looked up the specs and didn't find any answers. The wiki says xt means "exact topic" and is followed by the format ( btih in this case) with a SHA1 hash. I saw base32 mentioned, knowing it's 5 bits per character and 32 characters, I found it...
Global variables in AngularJS
...ogs in. This variable is used to control things such as the navigation bar and restricts access to parts of the site depending on the type of user, so its important that it holds its value. The problem with it is that the controller that initialises it, gets called again by angular some how and then...
How do I address unchecked cast warnings?
...d have the generic parameters <String, String>. You must know beforehand what the parameters should be (or you'll find out when you get a ClassCastException). This is why the code generates a warning, because the compiler can't possibly know whether is safe.
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How to style icon color, size, and shadow of Font Awesome Icons
How could I style the color, size and shadow of icons from Font Awesome's Icons ?
23 Answers
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Difference between an application server and a servlet container?
I am trying to understand the difference between a full fledged application server (e.g. Weblogic, JBoss etc.) and a servlet container (Tomcat, Jetty etc.).
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Is 23,148,855,308,184,500 a magic number, or sheer chance?
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Add the cents to the number and you get 2314885530818450000, which in hexadecimal is 2020 2020 2020 1250.
Do you see the pattern? The first six bytes have been overwritten by spaces (hex 20, dec 32).
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How do you fix a bad merge, and replay your good commits onto a fixed merge?
... the one described in the question. This recipe is for fixing a bad merge, and replaying your good commits onto a fixed merge.
Although filter-branch will do what you want, it is quite a complex command and I would probably choose to do this with git rebase. It's probably a personal preference. fil...