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Why doesn't Java allow to throw a checked exception from static initialization block?
Why doesn't Java allow to throw a checked exception from a static initialization block? What was the reason behind this design decision?
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Is there a better way to run a command N times in bash?
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for run in {1..10}
do
command
done
Or as a one-liner for those that want to copy and paste easily:
for run in {1..10}; do command; done
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Detect enter press in JTextField
...added benefit is that you can share the listener with a button even if you don't want to make the button a default button.
JButton button = new JButton("Do Something");
button.addActionListener( action );
Note, this example uses an Action, which implements ActionListener because Action is a newer...
Split a string at uppercase letters
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It is possible to do te same without upercase ?
– Laurent Cesaro
Apr 20 '18 at 9:07
3
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UILongPressGestureRecognizer gets called twice when pressing down
I am detecting if the user has pressed down for 2 seconds:
7 Answers
7
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How do I tell Spring Boot which main class to use for the executable jar?
My project has more than one class with a main method. How do I tell the Spring Boot Maven plugin which of the classes it should use as the main class?
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How to work with Git branches and Rails migrations
...run rake db:migrate and commit both the migration and db/schema.rb
If you do this, in development, you'll be able to switch to another branch that has a different set of migrations and simply run rake db:schema:load.
Note that this will recreate the entire database, and existing data will be lost....
How do you serialize a model instance in Django?
There is a lot of documentation on how to serialize a Model QuerySet but how do you just serialize to JSON the fields of a Model Instance?
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how do I use UIScrollView in Interface Builder?
...the contentSize property of the UIScrollView. Strangely enough you can not do this from Interface Builder. You will have to do it from the view controller managing this scroll view.
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UITableview: How to Disable Selection for Some Rows but Not Others
...I to call didSelectRowAtIndexPath when touched by the user. To avoid this, do as suggested below and set.
cell.userInteractionEnabled = NO;
instead. Also note you may want to set cell.textLabel.enabled = NO; to gray out the item.
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