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Is nested function a good approach when required by only one function? [closed]
...y the concept -- in actual use what do_it() does would presumably be a bit more complicated than what can be handled by some arithmetic in a single return statement.
– martineau
Sep 2 '14 at 13:07
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MySQL: Insert record if not exists in table
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Thanks that helped. My actual problem is far more complex and the column just cannot be unique and I cannot depend on the primary key. But this is exactly what I was looking for.
– Rupert
Jul 2 '10 at 10:41
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How can I check whether a radio button is selected with JavaScript?
....checked) {
//Female radio button is checked
}
The above could be made more efficient depending on the exact nature of your markup but that should be enough to get you started.
If you're just looking to see if any radio button is selected anywhere on the page, PrototypeJS makes it very easy.
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Isn't it silly that a tiny favicon requires yet another HTTP request? How can I put the favicon into
...ve not been able to handle favicons in .svg format.
That's not the case anymore.
See: https://caniuse.com/#feat=link-icon-svg
1) Choose SVG as the Favicon format
Right now, in June 2020, these browsers can handle SVG Favicons:
Chrome
Firefox
Edge
Opera
Chrome for Android
KaiOS Browser
Note that t...
Get the current first responder without using a private API
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531
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Double decimal formatting in Java
... Optionally u might want to add another separator for digits more than 3 before the comma then use the following NumberFormat formatter = new DecimalFormat("#,000.00"); System.out.println(formatter.format(4.0));
– Jose Mhlanga
Aug 27 at 7:01
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Check play state of AVPlayer
..., with -replaceCurrentItemWithPlayerItem:, and don't handle it properly. A more reliable way for me is to track AVPlayer's status using KVO. See my answer below for more details: stackoverflow.com/a/34321993/3160561
– maxkonovalov
Dec 16 '15 at 21:04
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Can I implement an autonomous `self` member type in C++?
...Foo) : public Bar, private Baz {}; would have been simpler and would allow more precise control over inheritance - any reasons against?
– Aconcagua
Jun 20 '18 at 9:02
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iOS Safari – How to disable overscroll but allow scrollable divs to scroll normally?
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How can I allow more than one ".scrollable" class? it works fine with one but I need to make scrollable another div as well. Thanks!
– MeV
Sep 2 '15 at 9:43
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Are Java static initializers thread safe?
... be loaded by multiple class-loaders so addController may still get called more than once (regardless of whether or not you synchronize the call)...
– Matthew Murdoch
May 18 '09 at 17:00
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