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UICollectionView spacing margins
...ake(top, left, bottom, right)];
Updated for Swift 5
func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, insetForSectionAt section: Int) -> UIEdgeInsets {
return UIEdgeInsets(top: 25, left: 15, bottom: 0, right: 5)
}
...
To Workflow or Not to Workflow?
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In order to do an insurance claim system of any complexity that involves roles and "sub-tasks" you really need an BPM solution, not just workflow. Workflow Foundation 4.0 is slick but it really doesn't not come close to the func...
How Do I Take a Screen Shot of a UIView?
...a category method on UIView to get the view as an UIImage:
- (UIImage *)pb_takeSnapshot {
UIGraphicsBeginImageContextWithOptions(self.bounds.size, NO, [UIScreen mainScreen].scale);
[self drawViewHierarchyInRect:self.bounds afterScreenUpdates:YES];
// old style [self.layer renderInCont...
What is the ultimate postal code and zip regex?
...ern and authenticating the postal code. Authenticating the codes is whole orders of magnitude more difficult since (at least in the U.S.) postal codes are added and dropped regularly. In an ideal world, you would perform a quick-check to validate the pattern before submitting to a service (e.g., U...
Making a Simple Ajax call to controller in asp.net mvc
...er, it's Url.Action(actionName, controllerName)
– xd6_
Apr 27 '17 at 22:20
1
Not a fan of this, i...
SET versus SELECT when assigning variables?
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+1 It is better to run once in order to understand, check, play, memorize that to just read but other answers are just text
– Gennady Vanin Геннадий Ванин
Oct 16 '10 at 7:36
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Avoiding if statement inside a for loop?
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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jquery disable form submit on enter
...it() method.
<form id="myform" method="post">
<input name="fav_color" type="text">
<input name="fav_color_2" type="text">
<button type="button" id="form-button-submit">DO IT!</button>
</form>
<script>
$('#form-button-submit').click(function(){
$(...
Using Java 8's Optional with Stream::flatMap
... going to be about same number of lines of code and have more or less same order and number of operations you need to perform:
Calling this.resolve,
filtering based on Optional.isPresent
returning the result and
some way of dealing with negative result (when nothing was found)
Just to prove th...
How does the Java 'for each' loop work?
...or the same thing. Therefore, when reading each element, one by one and in order, a foreach should always be chosen over an iterator, as it is more convenient and concise.
foreach
for(int i : intList) {
System.out.println("An element in the list: " + i);
}
Iterator
Iterator<Integer> in...