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How to extend an existing JavaScript array with another array, without creating a new array
...ts of the second array as arguments to .push:
>>> a.push(...b)
If your browser does not support ECMAScript 6, you can use .apply instead:
>>> a.push.apply(a, b)
Or perhaps, if you think it's clearer:
>>> Array.prototype.push.apply(a,b)
Please note that all these s...
How to prevent a jQuery Ajax request from caching in Internet Explorer?
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I know this is an old answer, just wondering if this affects all ajax like calls (ajax, get and post) or only specific ajax calls?
– Lumpy
Jan 26 '13 at 19:21
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How can I use a search engine to search for special characters? [closed]
...$) is used to indicate prices. [ nikon 400 ] and [ nikon $400 ] will give different results.
The hyphen - is sometimes used as a signal that the two words around it are very strongly connected. (Unless there is no space after the - and a space before it, in which case it is a negative sign.)
The und...
How to apply !important using .css()?
...that @Nick Craver's method is easier/wiser.
The above, attr() approach modified slightly to preserve the original style string/properties, and modified as suggested by falko in a comment:
$('#elem').attr('style', function(i,s) { return (s || '') + 'width: 100px !important;' });
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Capture iframe load complete event
Is there a way to capture when the contents of an iframe have fully loaded from the parent page?
6 Answers
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Checking for an empty field with MySQL
...handle both, use:
email > ''
which can benefit from the range access if you have lots of empty email record (both types) in your table.
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Core Data: Quickest way to delete all instances of an entity
... without having to load them all in to memory. Here's how you'd use it:
Swift 5
let fetchRequest: NSFetchRequest<NSFetchRequestResult> = NSFetchRequest(entityName: "Car")
let deleteRequest = NSBatchDeleteRequest(fetchRequest: fetchRequest)
do {
try myPersistentStoreCoordinator.execute(d...
How to make HTML table cell editable?
...>I'm not editable</td></tr>
</table>
Just note that if you make the table editable, in Mozilla at least, you can delete rows, etc.
You'd also need to check whether your target audience's browsers supported this attribute.
As far as listening for the changes (so you can send ...
What happens to git commits created in a detached HEAD state?
...mmit should be in there. You can make it into a new branch. For example, if the SHA-1 is ba5a739, then you can make a new branch named "new-branch" at the old commit with:
git branch new-branch ba5a739
Note that "lost" commits will get deleted when the database is pruned.
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Echo a blank (empty) line to the console from a Windows batch file [duplicate]
...n find my original (simplistic and misguided) answer in the edit history.
If Microsoft had the intent of providing a means of outputting a blank line from cmd.exe, Microsoft surely would have documented such a simple operation. It is this omission that motivated me to ask this question.
So, becaus...