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Update all objects in a collection using LINQ
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If collection was an ObservableCollection say, then changing items in place rather than creating a new list can be useful.
– Cameron MacFarland
Mar 5 '10 at 22:44
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typeof for RegExp
...nserted the line t.constructor = function() {};, which is perfectly legal, then t instanceof RegExp will still be true but t.constructor == RegExp will be false. Using instanceof is therefore preferable.
– Tim Down
Dec 3 '10 at 10:45
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form with no action and where enter does not reload page
... @Dutchie432 should make this into an answer instead of a comment. Then it would make its way to the top where it belongs. Alternatively, KPrime could adjust his answer, since omitting the action did not work for me...
– sage
Oct 28 '12 at 15:57
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While loop to test if a file exists in bash
...equal to zero, show an error and leave the loop.
if [ "$timeout" == 0 ]; then
echo "ERROR: Timeout while waiting for the file /tmp/list.txt."
exit 1
fi
sleep 1
# Decrease the timeout of one
((timeout--))
done
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Google MAP API Uncaught TypeError: Cannot read property 'offsetWidth' of null
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Exactly, first render the html div and then the JS else add an event listener.
– foxybagga
Mar 8 '13 at 11:41
add a comment
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How do I discard unstaged changes in Git?
...t this solution DISCARDS the unstaged changes; if you wish to retain them, then you should use @greg-hewgill 's answer of git stash save --keep-index.
– Rhubbarb
Jun 15 '15 at 15:12
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npm ERR cb() never called
...) to install the latest stable version of Node: sudo n stable
You should then get a progress display, after which you will be up to date.
When I ran npm install after doing this, everything worked fine, and I was able to run gulp to build the initial dist directory.
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UICollectionView current visible cell index
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Excellent, but if the cells have a space between them then visibleIndexPath sometimes will be nil, So if (visibleIndexPath) == nil { let cells = collectionView.visibleCells() let visibleIndexPath = collectionView.indexPathForCell(cells[0] as! UICollectionViewCell)! a...
How to sort in mongoose?
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Then you should use exec(function (posts) {… instead of all
– Buzut
Aug 27 '15 at 11:14
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How to run `rails generate scaffold` when the model already exists?
...ut model attributes. This is not broken, if you want a model generated too then you want generate scaffold if you have a model but you want a scaffold controller and new attributes added to a model you want scaffold_generator followed by migration with the fields you're altering
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