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How can I insert values into a table, using a subquery with more than one result?
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How to Copy Contents of One Canvas to Another Canvas Locally
...ement, HTMLVideoElement, or a HTMLCanvasElement. As mentioned by Dave in a comment below this answer, you cannot use a canvas drawing context as your source. If you have a canvas drawing context instead of the canvas element it was created from, there is a reference to the original canvas element on...
How can one pull the (private) data of one's own Android app?
...ill write an Android-specific archive:
adb backup -f myAndroidBackup.ab com.corp.appName
This archive can be converted to tar format using:
dd if=myAndroidBackup.ab bs=4K iflag=skip_bytes skip=24 | openssl zlib -d > myAndroidBackup.tar
Reference:
http://nelenkov.blogspot.ca/2012/06/unpac...
How can I tell Rails to use RSpec instead of test-unit when creating a new Rails app?
...re , -expectations , -mocks and -rails version 2.6.x). When I run the command rails new foo , it uses test-unit to generate the test stub files instead of rspec .
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WPF: ItemsControl with scrollbar (ScrollViewer)
...crollbar to an ItemsControl, and it works in Designer view, but not when I compile and execute the program (only the first few items show up, and no scrollbar to view more - even when VerticalScrollbarVisibility is set to "Visible" instead of "Auto").
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IntelliJ IDEA hint parameters of method
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Difference between rake db:migrate db:reset and db:schema:load
... db:migrate
For further information please have a look at https://github.com/rails/rails/blob/v3.2.12/activerecord/lib/active_record/railties/databases.rake (for Rails 3.2.x) and https://github.com/rails/rails/blob/v4.0.5/activerecord/lib/active_record/railties/databases.rake (for Rails 4.0.x)
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argparse module How to add option without any argument?
... edited May 23 '17 at 12:18
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answered Mar 11 '11 at 10:25
jfsjfs
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Rails where condition using NOT NIL
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