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How do I sort an NSMutableArray with custom objects in it?
...ptors:@[sortDescriptor]];
You can easily sort by multiple keys by adding more than one to the array. Using custom comparator-methods is possible as well. Have a look at the documentation.
Blocks (shiny!)
There's also the possibility of sorting with a block since Mac OS X 10.6 and iOS 4:
NSArray...
What are the differences between LinearLayout, RelativeLayout, and AbsoluteLayout?
...ayout means you have to give exact position where the view should be.
For more information, please check this address https://developer.android.com/guide/topics/ui/declaring-layout#CommonLayouts
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When should I use a struct instead of a class?
...copy than 16-byte structs, there are many cases where large structs may be more efficient than large class objects, and where the relative advantage of structs grows with the size of the struct.
– supercat
Jan 2 '13 at 16:12
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Can grep show only words that match search pattern?
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Why not use HTTPS for everything?
...ire site instead of just for purchases/logins? I would think it would make more sense just to encrypt the entire site, and protect the user entirely. It would prevent problems such as deciding what has to be secured because everything would be, and it's not really an inconvenience to the user.
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Spinlock versus Semaphore
...e acquired by burning a few cycles spinning, this may overall very well be more efficient. Also, for realtime applications it may not be acceptable to block and wait for the scheduler to come back to them at some far away time in the future.
A semaphore, by contrast, either does not spin at all, or...
What is the difference between an int and an Integer in Java and C#?
I was reading More Joel on Software when I came across Joel Spolsky saying something about a particular type of programmer knowing the difference between an int and an Integer in Java/C# (Object-Oriented Programming Languages).
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What are the big improvements between guava and apache equivalent libraries?
...ot have the needed functionality. Let me attempt to explain why.
Guava is more "modern"
Apache Commons is a really mature library, but it's also almost 10 years old, and targets Java 1.4. Guava was open sourced in 2007, targets Java 5, and thus Guava greatly benefits from the Java 5 features: gene...
Get OS-level system information
...ently available for current and future objects, measured in bytes." Sounds more like memory remaining and not in use.
– Dirk
Jun 30 '12 at 0:46
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Automatically enter SSH password with script
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I've added an answer with a more secure usage of sshpass.
– Ian
Nov 20 '17 at 17:08
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