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In Objective-C why should I check if self = [super init] is not nil?
..., but this isn't INSIDE the respective class' init method. NSData inherits from NSObject. Does NSData check if [super init] returns nil? That's what I'm asking here. Sorry if I wasn't clear...
– Jasarien
Aug 17 '09 at 13:33
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Can't use Swift classes inside Objective-C
...ou created.
Make sure your Swift classes are tagged with @objc or inherit from a class that derives (directly or indirectly) from NSObject.
Xcode won't generate the file if you have any compiler errors in your project - make sure your project builds cleanly.
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PHP Fatal error: Using $this when not in object context
...lass member, while $foo is just a variable in the function scope (imported from global scope). Function names with the same name as a member are also not an issue.
– Gordon
Feb 28 '10 at 12:08
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How to pass the value of a variable to the stdin of a command?
...that the first line(s) will be the contents of $var but the rest will come from cat reading its standard input. If the command does not do anything too fancy (try to turn on command line editing, or run like vim does) then it will be fine. Otherwise, you need to get really fancy - I think expect o...
社交应用组件 · App Inventor 2 中文网
...er Key and Consumer Secret for Twitter authorization specific to your
app from http://twitter.com/oauth_clients/new
属性
ConsumerKey
The consumer key to be used when authorizing with Twitter via OAuth.
ConsumerSecret
The consumer secret to be used when authorizing with Twitter via OAut...
How to get a JavaScript object's class?
...out a prototype, via Object.create( null ), or the object was instantiated from an anonymously-defined (unnamed) function.
Also note that if you are minifying your code, it's not safe to compare against hard-coded type strings. For example instead of checking if obj.constructor.name == "MyType", in...
What happens to a github student account's repositories at the end of 2 years?
... expires. I'm assuming it's the same thing that happens when you downgrade from a micro to a free account.
4 Answers
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MVC pattern on Android
...e (I believe many Android devs see it that way) why not talk to your views from the Activity?
– user1545072
Oct 1 '13 at 7:19
8
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How can I push a specific commit to a remote, and not previous commits?
...opinion. The commit needs to the oldest of your commits, i.e. the furthest from your most recent commit. If it's not the oldest commit then all commits from your oldest, local, non-pushed SHA to the SHA specified will be pushed. To reorder the commits use:
git rebase -i HEAD~xxx
After reordering ...
Behaviour of increment and decrement operators in Python
...parser is a blessing, not a curse. It puts us in handcuffs that prevent us from going overboard and ending up with funky grammar rules like some other dynamic languages that will go unnamed, such as Perl." I don't see how to disambiguate + + and ++ without breaking LL(1).
– Mik...