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How to hide the keyboard when I press return key in a UITextField?
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class MyViewController: UIViewController, UITextFieldDelegate {
....
}
Now add a delegate to a TextField in which you want to dismiss the keyboard when return is tapped either in viewDidLoad method like below or where you are initializing it.
For eg.
override func viewDidLoad() {
super.vie...
Rails create or update magic?
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Oh... I see what you meant now - that both forms, find_or_initialize_by and find_or_create_by accept a block. I thought you meant that whether the record exists or not, a block will be passed down with the record object as an argument, in order to do t...
Git - What is the difference between push.default “matching” and “simple”
I have been using git for a while now, but I have never had to set up a new remote repo myself and I have been curious on doing so. I have been reading tutorials and I am confused on how to get "git push" to work.
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How do I squash two non-consecutive commits?
...he rebase will be aborted.
#
# Note that empty commits are commented out
Now you change the file that it looks like this:
pick aaaaaaa Commit A
squash ddddddd Commit D
pick bbbbbbb Commit B
pick ccccccc Commit C
And git will now meld the changes of A and D together into one commit, and put B an...
Why is typeof null “object”?
...ll check anyway. It doesn't make intuitive sense so why would they use it? Now the change can't be added because of bad coding.
– Emobe
Sep 20 '19 at 14:48
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Check if a temporary table exists and delete if it exists before creating a temporary table
...olumn later, it will give an error saying "invalid column". Please let me know what I am doing wrong.
15 Answers
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Color Tint UIButton Image
...bute inspector of the image set the value render as to "Template Image"
Now whenever you setbutton.tintColor = UIColor.red you button will be shown in red.
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How to handle many-to-many relationships in a RESTful API?
...registered in league yet
POST /players
# from payload you get back the id, now place it officially to team 1
PUT /teams/1/players/44
As you see I don't use POST for placing players to teams but PUT, which handles your n:n relationship of players and teams better.
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Method call if not null in C#
...void SafeInvoke(this Action action) {
if(action != null) action();
}
now this is valid:
Action act = null;
act.SafeInvoke(); // does nothing
act = delegate {Console.WriteLine("hi");}
act.SafeInvoke(); // writes "hi"
In the case of events, this has the advantage of also removing the race-con...
Mercurial Eclipse Plugin
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Prorper link is now vectrace.com/projects/mercurialeclipse but its only a redirect to the new proper project place bitbucket.org/mercurialeclipse/main
– zingo
Mar 13 '13 at 12:28
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