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Ruby on Rails: how do I sort with two columns using ActiveRecord?
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edited Aug 27 '10 at 20:28
answered Aug 27 '10 at 20:22
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Get specific line from text file using just shell script
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208
sed:
sed '5!d' file
awk:
awk 'NR==5' file
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Declaring a default constraint when creating a table
I am creating a new table in Microsoft SQL server 2000 by writing the code instead of using the GUI, I am trying to learn how to do it "the manual way".
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puts vs logger in rails rake tasks
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edited Dec 2 '10 at 10:10
answered Dec 1 '10 at 10:46
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problem with and :after with CSS in WebKit
... style on a select box with the pseudo :after (to style my select box with 2 parts and without images). Here's the HTML:
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Can't find the 'libpq-fe.h header when trying to install pg gem
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How can I merge two hashes without overwritten duplicate keys in Ruby?
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235
If you have two hashes, options and defaults, and you want to merge defaults into options with...
How to prevent ReflectionTypeLoadException when calling Assembly.GetTypes()
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edited Oct 25 '11 at 14:36
Jesse C. Slicer
18.6k33 gold badges6363 silver badges7878 bronze badges
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How to customize an end time for a YouTube video?
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203
I just found out that the following works:
https://www.youtube.com/embed/[video_id]?start=...
How do I associate a Vagrant project directory with an existing VirtualBox VM?
... looks like this if a single VM exists:
{
"active":{
"default":"02f8b71c-75c6-4f33-a161-0f46a0665ab6"
}
}
default is the name of the default virtual machine (if you're not using multi-VM setups).
If your VM has somehow become disassociated, what you can do is do VBoxManage list vms ...