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Show pending migrations in rails
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rake db:migrate:status (Rails 3 to 5) or rails db:migrate:status (Rails 5) will accomplish this. See this commit.
up means the migration has been run. down means the migration has not been run.
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How does cookie based authentication work?
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3 Answers
3
Active
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How to create a button programmatically?
... correctly place the button for each iPhone screen.
Updated code to Swift 3.1:
override func viewDidLoad() {
super.viewDidLoad()
let button = UIButton(frame: CGRect(x: 100, y: 100, width: 100, height: 50))
button.backgroundColor = .green
button.setTitle("Test Button", for: .normal)
butt...
How to count total lines changed by a specific author in a Git repository?
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320
The output of the following command should be reasonably easy to send to script to add up the ...
How to improve performance of ngRepeat over a huge dataset (angular.js)?
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edited Jul 6 '16 at 19:36
Troy Stopera
30433 silver badges1212 bronze badges
answered Jun 27 '13 at 1...
C++: What is the size of an object of an empty class?
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130
Quoting Bjarne Stroustrup's C++ Style and Technique FAQ, the reason the size is non-zero is "To...
Patterns for handling batch operations in REST web services?
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answered Oct 27 '09 at 13:44
AlexAlex
5,24711 gold badge3232 silver badges2323 bronze badges
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Why are C character literals ints instead of chars?
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36
discussion on same subject
"More specifically the integral promotions. In K&R C it was ...
What is the pythonic way to detect the last element in a 'for' loop?
...you can use it like this:
>>> for i, has_more in lookahead(range(3)):
... print(i, has_more)
0 True
1 True
2 False
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Cleanest way to write retry logic?
...tion action,
TimeSpan retryInterval,
int maxAttemptCount = 3)
{
Do<object>(() =>
{
action();
return null;
}, retryInterval, maxAttemptCount);
}
public static T Do<T>(
Func<T> action,
Tim...