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Difference between EXISTS and IN in SQL?
...ve a static list to pass:
select * from [table]
where [field] in (1, 2, 3)
When you have a table in an in statement it makes more sense to use a join, but mostly it shouldn't matter. The query optimiser should return the same plan either way. In some implementations (mostly older, such as Micro...
fastest MD5 Implementation in JavaScript
...formant javascript.
http://www.webreference.com/programming/javascript/jkm3/
His MD5 implementation can be found here
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To Workflow or Not to Workflow?
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edited Dec 23 '14 at 9:39
niaher
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Redirect stderr and stdout in Bash
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31
This syntax is deprecated according to the Bash Hackers Wiki. Is it?
– Salman von Abbas
Jul 11 '12 a...
In Flux architecture, how do you manage Store lifecycle?
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Why is Maven downloading the maven-metadata.xml every time?
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answered May 7 '13 at 17:26
user944849user944849
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Is there a way to 'uniq' by column?
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335
sort -u -t, -k1,1 file
-u for unique
-t, so comma is the delimiter
-k1,1 for the key field ...
No tests found with test runner 'JUnit 4'
...olved it by renaming one of the test methods to start with "test..." (JUnit3 style) and then all tests are found. I renamed it back to what it was previously, and it still works.
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vertical-align with Bootstrap 3
I'm using Twitter Bootstrap 3, and I have problems when I want to align vertically two div , for example — JSFiddle link :
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Can I start the iPhone simulator without “Build and Run”?
...veloper Tool menu from either the dock icon or the Xcode menu:
Xcode 3.x
In Xcode 3.x, it lives here:
/Developer/Platforms/iPhoneSimulator.platform/Developer/Applications/iPhone Simulator.app
In some future version of Xcode, it will probably move again, it's a squirrelly little app.
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