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Declaration/definition of variables locations in ObjectiveC?
...d properties can be declared.
Before "modern" Objective-C (in "old" Obj-C 2.0) you didn't have a lot of choices. Instance variables used to be declared in the header between the curly brackets { }:
// MyClass.h
@interface MyClass : NSObject {
int myVar;
}
@end
You were able to access these v...
Get hostname of current request in node.js Express
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206
If you're talking about an HTTP request, you can find the request host in:
request.headers.ho...
Is Hash Rocket deprecated?
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132
The author of that blog post is being overly dramatic and foolish, the => is still quite nec...
Viewing all `git diffs` with vimdiff
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edited Aug 12 '15 at 22:22
Undo♦
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Remove characters from NSString?
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280
You could use:
NSString *stringWithoutSpaces = [myString
stringByReplacingOccurrencesOfSt...
Windows batch: call more than one command in a FOR loop?
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edited Jan 21 '14 at 10:08
Steven
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super() fails with error: TypeError “argument 1 must be type, not classobj” when parent does not inh
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342
Your problem is that class B is not declared as a "new-style" class. Change it like so:
class ...
Set multiple properties in a List ForEach()?
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269
All you need to do is introduce some brackets so that your anonymous method can support multip...
Difference between Big-O and Little-O Notation
...rue if you used little-o:
x² ∈ O(x²)
x² ∈ O(x² + x)
x² ∈ O(200 * x²)
The following are true for little-o:
x² ∈ o(x³)
x² ∈ o(x!)
ln(x) ∈ o(x)
Note that if f ∈ o(g), this implies f ∈ O(g). e.g. x² ∈ o(x³) so it is also true that x² ∈ O(x³), (again, think of ...