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What are best practices that you use when writing Objective-C and Cocoa? [closed]
...Outlets
Historically, memory management of outlets has been poor.
Current best practice is to declare outlets as properties:
@interface MyClass :NSObject {
NSTextField *textField;
}
@property (nonatomic, retain) IBOutlet NSTextField *textField;
@end
Using properties makes the memory manageme...
SparseArray vs HashMap
...Integer, T> so that you get a memory efficient Map implementation - the best of both worlds.
– Paul Boddington
Aug 29 '14 at 2:34
3
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How can I define an interface for an array of objects with Typescript?
...larations in the interface, eg. id?: number; label?: string; key?: any the best way to avoid a casting issue if you use less properties than what is defined in the interface? Ie. I may not specify key in the typed array setup.
– GONeale
Feb 1 '16 at 4:48
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How can I add new keys to a dictionary?
...se it, let's create an empty dict with the dict literal, {}:
my_dict = {}
Best Practice 1: Subscript notation
To update this dict with a single new key and value, you can use the subscript notation (see Mappings here) that provides for item assignment:
my_dict['new key'] = 'new value'
my_dict is n...
When to use an interface instead of an abstract class and vice versa?
...
This, to me, is the best answer here and it is a shame it was not voted higher. Yes, there are philosophical differences between the two concepts, but the root point is that abstract classes ensure that all descendants share functionality/state,...
How can I verify if one list is a subset of another?
...list? It does not - the static lookup table can be anything that performs best. The dynamic one is a dict from which we extract the keys to perform a static lookup on. Will this fact alter the solution?
– IUnknown
May 18 '13 at 1:41
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Why is it important to override GetHashCode when Equals method is overridden?
...ject which has a new ID and therefore a new hash code. This approach works best with GUIDs because you can provide a parameterless constructor which randomly generates an ID.
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Best way to convert an ArrayList to a string
...
This is not the best answer. Look below at Vitalii for Java or Geewax for Android
– Gibolt
Mar 10 '18 at 22:32
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Python creating a dictionary of lists
...ult wasn't the most brilliant bit of design, sorry -- it's hardly ever the best choice. I do think we (the Python committers) redeemed our collective reputation with collections.defaultdict, though;-).
– Alex Martelli
Jun 6 '09 at 23:46
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Use of Java's Collections.singletonList()?
... to an API that requires a collection of that value. Of course, this works best when the code processing the passed-in value does not need to add to the collection.
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