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Cell spacing in UICollectionView
...ction
{
return 20;
}
Swift version:
func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, minimumLineSpacingForSectionAt section: Int) -> CGFloat {
return 20
}
...
What does “coalgebra” mean in the context of programming?
... property and setPosition function:
class C
private
x, y : Int
_name : String
public
name : String
position : (Int, Int)
setPosition : (Int, Int) → C
We need two parts to represent this class. First, we need to represent the internal state of the object; in th...
ProcessStartInfo hanging on “WaitForExit”? Why?
...Set();
}
else
{
output.AppendLine(e.Data);
}
};
process.ErrorDataReceived += (sender, e) =>
{
if (e.Data == null)
{
errorWaitHandle.Set();
}
else...
MySQL “NOT IN” query
...on%';
+-------------------------+------------------------------+
| Variable_name | Value |
+-------------------------+------------------------------+
| innodb_version | 1.1.8 |
| protocol_version | 10 |...
How to convert Set to Array?
... values in an array and then converting back to an Array, try using this:
_.uniq([])
This relies on using underscore or lo-dash.
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CharSequence VS String in Java?
...ting its instances for equality with those of the other. It is therefore inappropriate to use arbitrary CharSequence instances as elements in a set or as keys in a map.
– Trevor Robinson
Feb 10 '12 at 23:39
...
Is it valid to have a html form inside another html form?
...ide could look something like this if you use php:
<?php
if(isset($_POST['save']))
echo "Stored!";
else if(isset($_POST['delete']))
echo "Deleted!";
else
echo "Action is missing!";
?>
...
When to throw an exception?
I have exceptions created for every condition that my application does not expect. UserNameNotValidException , PasswordNotCorrectException etc.
...
What's the correct way to communicate between controllers in AngularJS?
...gistered
Since there is no scope above $rootScope, there is no bubbling happening. It is totally safe to use $rootScope.$emit()/ $rootScope.$on() as an EventBus.
However, there is one gotcha when using it from within Controllers. If you directly bind to $rootScope.$on() from within a controller, ...
Centering a view in its superview using Visual Format Language
... views: ["view":self, "subview":_spinnerView])
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