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How can we match a^n b^n with Java regex?
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+100
The answer is, needless to say, YES! You can most certainly write a Java regex pattern to match anbn. It uses a positive lookahead fo...
How do I join two paths in C#?
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answered Jun 7 '09 at 11:04
Jose BasilioJose Basilio
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Update one MySQL table with values from another
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210
UPDATE tobeupdated
INNER JOIN original ON (tobeupdated.value = original.value)
SET tobeupdated.i...
Git: Set up a fetch-only remote?
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edited Apr 22 '15 at 20:31
gunr2171
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answer...
MySQL DISTINCT on a GROUP_CONCAT()
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edited Jun 21 '10 at 9:47
Daniel Vassallo
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ZSH iterm2 increase number of lines history
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answered Feb 19 '15 at 14:07
TravisTravis
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Array extension to remove object by value
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edited Oct 12 '16 at 16:20
swiftcode
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answered J...
MySQLDump one INSERT statement for each data row
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answered Sep 15 '12 at 17:01
driisdriis
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What exactly is Arel in Rails 3.0?
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What exactly is Arel in Rails 3.0?
It's an object model for an algebra of relational query operators.
I understand that it is a replacement for ActiveRecord
No, it isn't. It's a replacement for hand-crafting SQL queries in strings. It is a common query l...
select into in mysql
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Use the CREATE TABLE SELECT syntax.
http://dev.mysql.com/doc/refman/5.0/en/create-table-select.html
CREATE TABLE new_tbl SELECT * FROM orig_tbl;
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