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Simultaneously merge multiple data.frames in a list
... and columns, but they all share the key variables (which I've called "var1" and "var2" in the code below). If the data.frames were identical in terms of columns, I could merely rbind , for which plyr's rbind.fill would do the job, but that's not the case with these data.
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What's the difference between an exclusive lock and a shared lock?
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edited Aug 7 '12 at 0:27
answered Aug 7 '12 at 0:19
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REST response code for invalid data
... either change the Reason Phrase or include a body to explain the error.
412 - Precondition failed is used for conditional requests when using last-modified date and ETags.
403 - Forbidden is used when the server wishes to prevent access to a resource.
The only other choice that is possible is 42...
How do I convert a Vector of bytes (u8) to a string
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100
To convert a slice of bytes to a string slice (assuming a UTF-8 encoding):
use std::str;
//
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What is routes.IgnoreRoute(“{resource}.axd/{*pathInfo}”)
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81
.axd files don't exist physically. ASP.NET uses URLs with .axd extensions (ScriptResource.axd an...
How to secure RESTful web services?
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edited Jan 27 '11 at 17:04
Lawrence Dol
57.6k2525 gold badges129129 silver badges179179 bronze badges
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Foreign keys in mongo?
...like Mongoid or MongoMapper.
http://mongoid.org/docs/relations/referenced/1-n.html
In a NoSQL database like MongoDB there are not 'tables' but collections. Documents are grouped inside Collections. You can have any kind of document – with any kind of data – in a single collection. Basically, i...
How to get StackPanel's children to fill maximum space downward?
... VerticalAlignment="Stretch"
Height="Auto"
Margin="10">
<GroupBox
DockPanel.Dock="Right"
Header="Help"
Width="100"
Background="Beige"
VerticalAlignment="Stretch"
VerticalContentAlignment="Stretch"
Hei...
MySQL Results as comma separated list
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edited Dec 19 '17 at 19:31
answered Mar 19 '09 at 13:37
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sqlalchemy: how to join several tables by one query?
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Ryabchenko Alexander
3,22711 gold badge1919 silver badges4545 bronze badges
answered May 18 '11 at 13:04
Abdul KaderAbdul Kader...