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Completion handler for UINavigationController “pushViewController:animated”?
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Based on par's answer (which was the only one that worked with iOS9), but simpler and with a missing else (which could have led to the completion never being called):
extension UINavigationController {
func pushViewContr...
How to reorder data.table columns (without copying)
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How to check if all list items have the same value and return it, or return an “otherValue” if they
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Or worse, if the query is a database query and calling "First" hits the database again every time.
– Eric Lippert
Dec 8 '10 at 18:14
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How to concatenate strings with padding in sqlite
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DbArithmeticExpression arguments must have a numeric common type
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Delete all local git branches
...git for-each-ref --format '%(refname:short)' refs/heads/)
do
git merge-base --is-ancestor ${branch} HEAD && git branch -d ${branch}
done
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advantage of tap method in ruby
...ted out what I'm about say here. There is difference in what gets returned based on the examples above. The 1st example which uses .tap will return the user after the last method is run. In the second example the result of user.blahblahyougetmypoint will be returned as it's the last thing being exec...
Regular expression to limit number of characters to 10
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Regular expression to get a string between two strings in Javascript
...it via regextester.com, you will get that hint. It seems that the site has based its rules from the older specification. Lookbehind is now supported. See stackoverflow.com/questions/30118815/… And the pattern works well with modern browsers without error. Try this checker instead regex101.com
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How to display an unordered list in two columns?
...ion outside but then in some browsers it would cause some display problems based on the browser's way of laying out your website.
To get it to display in the format:
A B
C D
E
etc. use the following:
ul li{
float: left;
width: 50%;//helps to determine number of columns, for instance 33....