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What is the Oracle equivalent of SQL Server's IsNull() function?
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coalesce is supported in both Oracle and SQL Server and serves essentially the same function as...
GROUP_CONCAT ORDER BY
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317
You can use ORDER BY inside the GROUP_CONCAT function in this way:
SELECT li.client_id, grou...
Remove unused imports in Android Studio
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Simple, right click on your project in Android Studio, then click on the Optimize Imports that ...
Remove blank attributes from an Object in Javascript
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37 Answers
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Do AJAX requests retain PHP Session info?
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edited Nov 20 '12 at 3:50
answered Mar 24 '09 at 11:10
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Painless way to install a new version of R?
...or Thomas
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answered Oct 20 '10 at 11:16
Joris MeysJoris Meys
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Find the extension of a filename in Ruby
...gt; accepted_formats = [".txt", ".pdf"]
=> [".txt", ".pdf"]
irb(main):003:0> File.extname("example.pdf") # get the extension
=> ".pdf"
irb(main):004:0> accepted_formats.include? File.extname("example.pdf")
=> true
irb(main):005:0> accepted_formats.include? File.extname("example.txt...
How do you add CSS with Javascript?
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answered Apr 1 '09 at 23:57
bobincebobince
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SQL WHERE ID IN (id1, id2, …, idn)
...ormance like with IN. There's still the readability issue though...
Option 3 is simply horrible performance-wise. It sends a query every loop and hammers the database with small queries. It also prevents it from using any optimizations for "value is one of those in a given list"
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Default behavior of “git push” without a branch specified
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15 revs, 11 users 34%UncleZeiv
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