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What are the applications of binary trees?
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To squabble about the performance of binary-trees is meaningless - they are not a data structure, but a family of data structures, all with different performance characteristics. While it is true that unbalanced binary trees perform much worse than s...
Static hosting on Amazon S3 - DNS Configuration
I'm working on a little webapp (all client-side) I want to host it on Amazon S3. I've found several guides on this and have managed to create myself a bucket (with the same name as my domain), set it as a website and upload some content.
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What is the “volatile” keyword used for?
I read some articles about the volatile keyword but I could not figure out its correct usage. Could you please tell me what it should be used for in C# and in Java?
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Why does the arrow (->) operator in C exist?
The dot ( . ) operator is used to access a member of a struct, while the arrow operator ( -> ) in C is used to access a member of a struct which is referenced by the pointer in question.
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Fast and Lean PDF Viewer for iPhone / iPad / iOS - tips and hints?
...yer when zooming is 1. Those tiles will be released automatically when memory warnings are issued.
Whenever the user start zooming, I acquire the CGPDFPage and render it using the appropriate CTM. The code in - (void)drawLayer: (CALayer*)layer inContext: (CGContextRef) context is like :
CGAffin...
How to create a HTTP server in Android? [closed]
I would like to create a simple HTTP server in Android for serving some content to a client.
6 Answers
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How do I calculate square root in Python?
... question" - love it! - think I might challenge myself to use this phrase more often!
– Thomas Kimber
Apr 27 '16 at 7:50
7
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UIRefreshControl without UITableViewController
...eshControl instance as a subview to my UITableView. And it magically just works!
UIRefreshControl *refreshControl = [[UIRefreshControl alloc] init];
[refreshControl addTarget:self action:@selector(handleRefresh:) forControlEvents:UIControlEventValueChanged];
[self.myTableView addSubview:refreshCont...
Pad a string with leading zeros so it's 3 characters long in SQL Server 2008
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If the field is already a string, this will work
SELECT RIGHT('000'+ISNULL(field,''),3)
If you want nulls to show as '000'
It might be an integer -- then you would want
SELECT RIGHT('000'+CAST(field AS VARCHAR(3)),3)
As required by the question this answer ...
Download a file by jQuery.Ajax
I have a Struts2 action in the server side for file downloading.
24 Answers
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