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Find rows with multiple duplicate fields with Active Record, Rails & Postgres
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227
Tested & Working Version
User.select(:first,:email).group(:first,:email).having("count(*)...
What is the “FS”/“GS” register intended for?
...alue into that virtual data segment" with dirty page flushing.
Our current 2010 operating systems are a giant step backwards, which is why they are called "Eunuchs". You can only address your process space's single segment, giving a so-called "flat (IMHO dull) address space". The segment registers...
How can I validate a string to only allow alphanumeric characters in it?
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Akshay Khot
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answered Jun 25 '09 at 23:47
cletuscletus
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Get model's fields in Django
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edited Aug 21 '14 at 18:28
user
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How to add multiple columns to a table in Postgres?
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2 Answers
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Active
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adb shell command to make Android package uninstall dialog appear
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answered Oct 18 '12 at 8:17
pcanspcans
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Is it possible to execute code once before all tests run?
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answered Mar 4 '10 at 20:47
Mark SeemannMark Seemann
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Passing data to a bootstrap modal
...okDialog">test</a>
<p>&nbsp;</p>
<p>Link 2</p>
<a data-toggle="modal" data-id="ISBN-001122" title="Add this item" class="open-AddBookDialog btn btn-primary" href="#addBookDialog">test</a>
<div class="modal hide" id="addBookDialog">
<div ...
Microsecond timing in JavaScript
...eturns the number of microseconds in the fractional (e.g. a value of 1000.123 is 1 second and 123 microseconds).
now() is monotonically increasing. This is important as Date.getTime() can possibly jump forward or even backward on subsequent calls. Notably, if the OS's system time is updated (e.g. ...