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What is the meaning of id?
...will not enforce restrictions. It can be useful if you're expecting to use more than one class of objects there; you can then use introspection to find out which class it is. id automatically assumes a pointer, as all objects in Objective-C are passed as pointers/references.
Some Additional Resourc...
ThreadStatic v.s. ThreadLocal: is generic better than attribute?
...ways. See stackoverflow.com/questions/561518/… and similar questions for more info.
– Jim Mischel
Jul 25 '15 at 18:02
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Change default primary key in Eloquent
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What if I have more than one fields as primary key?
– Bagusflyer
May 17 '14 at 4:49
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How to decide font color in white or black depending on background color?
...green and blue by the first digit only (less precise but is the digit with more weight) and instead of 186 used 9. works a little bit better for me, specially with greens.
– DJPB
Oct 15 '10 at 16:26
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Using a constant NSString as the key for NSUserDefaults
...h the same the same name in another file. see Constants in Objective-C for more information. To explain by example, this is what I currently use for keys that I only need to use in one .m file:
static NSString * const kSomeLabel = @"...";
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How can I list (ls) the 5 last modified files in a directory?
...ts the block size in the first line of output.
I think this is a slightly more elegant and possibly more useful approach.
Example output:
total 26960312
-rw-r--r--@ 1 user staff 1.2K 11 Jan 11:22 phone2.7.py
-rw-r--r--@ 1 user staff 2.7M 10 Jan 15:26 03-cookies-1.pdf
-rw-r--r--@ 1 user ...
How to perform a mysqldump without a password prompt?
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Why start a shell command with a backslash?
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