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Detect enter press in JTextField
Is it possible to detect when someone presses Enter while typing in a JTextField in java? Without having to create a button and set it as the default.
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How to find the kth largest element in an unsorted array of length n in O(n)?
I believe there's a way to find the kth largest element in an unsorted array of length n in O(n). Or perhaps it's "expected" O(n) or something. How can we do this?
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How can I create a copy of an Oracle table without copying the data?
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How to make Regular expression into non-greedy?
...regex into my work and result is : invalid quantifier +\]) [Break on this error] var filterdata = takedata.match(/(\[[^\]]++\])/);\n (firebugs + Firefox) something wrong ?
– Rueta
May 13 '10 at 4:08
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Outputting data from unit test in python
...ata from a failed test, so I can examine it to help deduce what caused the error? I am aware of the ability to create a customized message, which can carry some information, but sometimes you might deal with more complex data, that can't easily be represented as a string.
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How to get current memory usage in android?
I have used /proc/meminfo and parsed command response.however it result shows that :
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Difference between two dates in MySQL
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SELECT TIMESTAMPDIFF(HOUR,NOW(),'2013-05-15 10:23:23')
calculates difference in hour.(for days--> you have to define day replacing hour
SELECT DATEDIFF('2012-2-2','2012-2-1')
SELECT TO_DAYS ('2012-2-2')-TO_DAYS('2012-2-1')
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How to convert a char array back to a string?
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How does the algorithm to color the song list in iTunes 11 work? [closed]
...ematica given the album cover as input:
How I did it
Through trial and error, I came up with an algorithm that works on ~80% of the albums with which I've tested it.
Color Differences
The bulk of the algorithm deals with finding the dominant color of an image. A prerequisite to finding domina...
淘宝网采用什么技术架构来实现网站高负载的 - 更多技术 - 清泛网 - 专注C/C...
...session管理来完成，说具体点就是多个无状态的应用节点连接一个session 服 务器，session服 务器将session保 存到缓存中，session服 务器后端再配有底层持久性数据源，比如数据库，文件系统等等。
二、有效使用缓存(Tair)
做互联网...