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How to get the last element of a slice?
...Yes, you can't get the last element of a slice if there's no such element, ie. if there are no elements at all.
– Toni Cárdenas
Aug 16 '19 at 11:20
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MySQL IF NOT NULL, then display 1, else display 0
...wered Feb 22 '12 at 1:17
Eugen RieckEugen Rieck
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What is a coroutine?
...peratively passed between two different routines without returning.
The 'yield' statement in Python is a good example. It creates a coroutine. When the 'yield ' is encountered the current state of the function is saved and control is returned to the calling function. The calling function can then t...
How do I put a clear button inside my HTML text input box like the iPhone does?
... </span>
</body>
</html>
You only ends up with uglier HTML (and non-crossbrowser compatible JS ;) ).
Note that when the UI look'n'feel isn't your biggest concern, but the functionality is, then just use <input type="search"> instead of <input type="text">. It'll...
Node.js quick file server (static files over HTTP)
...e same thing but with the added bonus of live-updating when files are modified.
– Nick F
Oct 14 '16 at 23:31
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How can I disable the UITableView selection?
When you tap a row in a UITableView , the row is highlighted and selected. Is it possible to disable this so tapping a row does nothing?
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Hiding textarea resize handle in Safari
... the height is increased whenever there is enough text. This works fine on IE, Firefox, and Safari.
3 Answers
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How can I delete a query string parameter in JavaScript?
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Note that URLSearchParams is not supported by IE, Edge 16 and iOS 10.2 Safari. (ref: caniuse.com/#feat=urlsearchparams)
– khiav reoy
Apr 2 '18 at 17:09
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Rails 4 image-path, image-url and asset-url no longer work in SCSS files
... you should be able to call the image directly with no prefix in the path. ie. image_url('logo.png')
Depending on where you use the asset will depend on the method. If you are using it as a background-image: property, then your line of code should be background-image: image-url('logo.png'). This wor...
Warning: Null value is eliminated by an aggregate or other SET operation in Aqua Data Studio
...orrect results, as you would then be counting the total number of results (ie parents) that exist.
Using COUNT([uid]) IS a valid way of counting, and the warning is nothing more than a warning. However if you are concerned, and you want to get a true count of uids in this case then you could use:
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