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Get the client IP address using PHP [duplicate]
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edited Feb 17 '16 at 7:46
Cheok Yan Cheng
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Find rows with multiple duplicate fields with Active Record, Rails & Postgres
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User.select(:first,:email).group(:first,:email).having("count(*) > 1")
Also, this is a little unrelated but handy. If you want to see how times each combination was found, put .size at the end:
User.select(:first,:email).group(:first,:email).having("count(*) > 1").size
and you'll get...
How to replace text between quotes in vi
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183
Use ci", which means: change what inside the double quotes.
You can also manipulate other t...
How to make Regular expression into non-greedy?
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edited Dec 4 '13 at 18:38
answered May 13 '10 at 3:50
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Download Github pull request as unified diff
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512
To view a commit as a diff/patch file, just add .diff or .patch to the end of the URL, for exam...
Python xml ElementTree from a string source?
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91
If you're using xml.etree.ElementTree.parse to parse from a file, then you can use xml.etree.Ele...
What is the difference between Reader and InputStream?
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135
An InputStream is the raw method of getting information from a resource. It grabs the data by...
os.path.dirname(__file__) returns empty
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edited Oct 16 '11 at 22:42
answered Oct 16 '11 at 9:06
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Regular expression: find spaces (tabs/space) but not newlines
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192
Use character classes: [ \t]
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