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Using LIMIT within GROUP BY to get N results per group?
...then you could use FIND_IN_SET, that returns the position of the first argument inside the second one, eg.
SELECT FIND_IN_SET('2006', '2006,2003,2008,2001,2007,2009,2002,2004,2005,2000');
1
SELECT FIND_IN_SET('2009', '2006,2003,2008,2001,2007,2009,2002,2004,2005,2000');
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Using a combination of ...
Java concurrency: Countdown latch vs Cyclic barrier
...(optional) Runnable task which is run once the common barrier condition is met.
It also allows you to get the number of clients waiting at the barrier and the number required to trigger the barrier. Once triggered the barrier is reset and can be used again.
For simple use cases - services sta...
what is the function of webpages:Enabled in MVC 3 web.config
I just started a new MVC 3 project. Can anyone tell me what
3 Answers
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Generate an integer that is not among four billion given ones
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Assuming that "integer" means 32 bits: 10 MB of space is more than enough for you to count how many numbers there are in the input file with any given 16-bit prefix, for all possible 16-bit prefixes in one pass through the input file. At least one o...
How to do Mercurial's 'hg remove' for all missing files?
...ove
Either of these will remove all locally missing files(They are the same command)
hg remove --after
hg remove -A
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Update Row if it Exists Else Insert Logic with Entity Framework
Does anyone have suggestions on the most efficient way to implement "update row if it exists else insert" logic using Entity Framework?
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How to manually create icns files using iconutil?
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The iconutil command-line tool converts iconset folders to deployment-ready, high-resolution icns files. (You can find complete documentation for this tool by entering man iconutil in Terminal.) Using this tool also compresses the resulting icns file, so there is no need for you to perform...
jQuery slideUp().remove() doesn't seem to show the slideUp animation before remove occurs
...peeds need to either be in milliseconds or they will default to 400. keyframesandcode.com/resources/javascript/deconstructed/jquery/…
– bendman
Jan 24 '14 at 12:17
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How many files can I put in a directory?
...ximum number of files: 232 - 1 (4,294,967,295)
Maximum file size
Implementation: 244 - 26 bytes (16 TiB - 64 KiB)
Theoretical: 264 - 26 bytes (16 EiB - 64 KiB)
Maximum volume size
Implementation: 232 - 1 clusters (256 TiB - 64 KiB)
Theoretical: 264 - 1 clusters (1 YiB...
How to TryParse for Enum value?
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As others have said, you have to implement your own TryParse. Simon Mourier is providing a full implementation which takes care of everything.
If you are using bitfield enums (i.e. flags), you also have to handle a string like "MyEnum.Val1|MyEnum.Val2" which is ...