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The best way to remove duplicate values from NSMutableArray in Objective-C?
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Your NSSet approach is the best if you're not worried about the order of the objects, but then again, if you're not worried about the order, then why aren't you storing them in an NSSet to begin with?
I wrote the answer below in 2009; in 2011, Apple added NSOrderedSet to iOS 5 and Mac OS...
What is the “volatile” keyword used for?
...ut read-acquire, and store-release semantics, which are required on weakly ordered memory architectures. It is about speculative execution.
– doug65536
Oct 7 '16 at 2:28
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Deleting a resource using http DELETE
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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how to File.listFiles in alphabetical order?
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The listFiles method, with or without a filter does not guarantee any order.
It does, however, return an array, which you can sort with Arrays.sort().
File[] files = XMLDirectory.listFiles(filter_xml_files);
Arrays.sort(files);
for(File _xml_file : files) {
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}
This works because File...
Android EditText delete(backspace) key event
...ction class. This method is called when key events occur in an IME. But in order to override this, we need to implement a custom EditText which overrides the onCreateInputConnection method, wrapping the default InputConnection object in a proxy class! :|
Sounds complicated, but here's the simplest ...
Why do some websites add “Slugs” to the end of URLs? [closed]
...low URLs are bad in the sense that they introduce an additional segment in order to feature the slug, which is a violation of the idea that each segment should represent descending a resource hierarchy.
nginx - nginx: [emerg] bind() to [::]:80 failed (98: Address already in use)
...Thanks for digging into this and providing an explanation to why deleting /etc/nginx/sites-available/default helps with the above error.
– Oliver
Mar 18 '13 at 11:31
1
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How does libuv compare to Boost/ASIO?
...o allows for applications to provide custom memory allocation functions in order to implement a memory allocation strategy for handlers.
Maturity
Boost.Asio
Asio's development dates back to at least OCT-2004, and it was accepted into Boost 1.35 on 22-MAR-2006 after undergoing a 20-day peer revi...
How do I remove leading whitespace in Python?
....lstrip()
'hello world!'
Edit
As balpha pointed out in the comments, in order to remove only spaces from the beginning of the string, lstrip(' ') should be used:
>>> ' hello world with 2 spaces and a tab!'.lstrip(' ')
'\thello world with 2 spaces and a tab!'
Related question:
Trim...
How do you list the primary key of a SQL Server table?
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FYI- this does not necessarily list the columns in order. See this answer to similar question if you need the columns in their particular order: stackoverflow.com/a/3942921/18511
– Kip
Feb 4 '13 at 3:17
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