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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...
Generate a random alphanumeric string in Cocoa
...[randomString appendFormat: @"%C", [letters characterAtIndex: arc4random_uniform([letters length])]];
}
return randomString;
}
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How can I change the EditText text without triggering the Text Watcher?
... onTextChanged(CharSequence s, int start, int before, int count) {
if (myEditText.hasFocus()) {
// is only executed if the EditText was directly changed by the user
}
}
//...
});
Long answer
As an addition to the short answer:
In case myEditText already has th...
How to set a default value for an existing column
...
+1 for specifying a constraint name, so SQL Server doesn't create a random one.
– HardCode
Jul 22 '11 at 15:25
38
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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'
...
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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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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How to fix Python indentation
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If you're using Vim, see :h retab.
*:ret* *:retab*
:[range]ret[ab][!] [new_tabstop]
Replace all sequences of white-space containing a
...
How to play a notification sound on websites?
When a certain event occurs, I want my website to play a short notification sound to the user.
10 Answers
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Best way to change the background color for an NSView
...Fill];
NSRectFill(dirtyRect);
[super drawRect:dirtyRect];
}
In Swift:
class MyView: NSView {
override func draw(_ dirtyRect: NSRect) {
super.draw(dirtyRect)
// #1d161d
NSColor(red: 0x1d/255, green: 0x16/255, blue: 0x1d/255, alpha: 1).setFill()
dirtyRe...