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Rails: How to change the text on the submit button in a Rails Form
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If you want to keep the button style, you can do: f.button :submit, "My Submit Text"
– jonathanrz
Oct 17 '13 at 18:17
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Total size of the contents of all the files in a directory [closed]
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If you want the 'apparent size' (that is the number of bytes in each file), not size taken up by files on the disk, use the -b or --bytes option (if you got a Linux system with GNU coreutils):
% du -sbh <directory>
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Difference between System.DateTime.Now and System.DateTime.Today
Can anyone explain the difference between System.DateTime.Now and System.DateTime.Today in C#.NET? Pros and cons of each if possible.
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How do I tell Gradle to use specific JDK version?
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If you are executing using gradle wrapper you can also do it like ./gradlew -Dorg.gradle.java.home=/path_to_jdk_directory. Good if you don't want to touch gradle.properties.
– david.schreiber
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How to run `rails generate scaffold` when the model already exists?
...cessary controller and migration files by using the rails generate option. If you run rails generate -h you can see all of the options available to you.
Rails:
controller
generator
helper
integration_test
mailer
migration
model
observer
performance_test
plugin
resource
scaff...
How to rename a table in SQL Server?
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One more thing: if any of the table names has a . in them, use [] around the table name. (I know, I know, but dots can happen...) E.g. sp_rename '[Stupid.name]', 'NewName' or with schema sp_rename '[dbo.Stupid.name]', 'NewName'
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List all tables in postgresql information_schema
... Thanks, I just tried: /dt (asterisk).(asterisk) is that any different?
– littleK
Feb 16 '10 at 22:10
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List of lists into numpy array
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If your list of lists contains lists with varying number of elements then the answer of Ignacio Vazquez-Abrams will not work. Instead there are at least 3 options:
1) Make an array of arrays:
x=[[1,2],[1,2,3],[1]]
y=numpy.a...
How to do 3 table JOIN in UPDATE query?
...T_TIMESTAMP, I just added manually the update and it fixed it, just saying if it happens to anyone else
– eric.itzhak
Jun 6 '16 at 13:35
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Generate a random alphanumeric string in Cocoa
...[randomString appendFormat: @"%C", [letters characterAtIndex: arc4random_uniform([letters length])]];
}
return randomString;
}
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