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@UniqueConstraint annotation in Java
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To ensure a field value is unique you can write
@Column(unique=true)
String username;
The @U...
removeEventListener on anonymous functions in JavaScript
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answered Feb 9 '11 at 21:41
Adam HeathAdam Heath
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How do I Convert DateTime.now to UTC in Ruby?
...clude everything you need:
irb(main):016:0> Time.now
=> Thu Apr 16 12:40:44 +0100 2009
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Do python projects need a MANIFEST.in, and what should be in it?
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How to export query result to csv in Oracle SQL Developer?
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Version I am using
Update 5th May 2012
Jeff Smith has blogged showing, what I believe is the superior method to get CSV output from SQL Developer. Jeff's method is shown as Method 1 below:
Method 1
Add the comment /*csv*/ to your SQL query and run the quer...
How to convert / cast long to String?
...seLong(String).
– Daniel Hepper
Oct 26 '11 at 5:33
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What's the differente between this way, or j...
Using TortoiseSVN via the command line
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How to obtain the number of CPUs/cores in Linux from the command line?
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Reading a simple text file
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Sebastian Hojas
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answered Apr 24 '11 at 15:19
shihpengshihpeng
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How to do 3 table JOIN in UPDATE query?
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824
the answer is yes you can
try it like that
UPDATE TABLE_A a
JOIN TABLE_B b ON a.join_col...