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Is there a way to add/remove several classes in one single instruction with classList?
... And if you want to apply an Array of several class-names, you have to call: DOMTokenList.prototype.add.apply(elem.classList, ['first', 'second', 'third']);
– Emanuel Kluge
Feb 15 '13 at 16:36
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Convert hex to binary
...gits and leading zeroes).
Short answer:
The new f-strings in Python 3.6 allow you to do this using very terse syntax:
>>> f'{0xABC123EFFF:0>42b}'
'001010101111000001001000111110111111111111'
or to break that up with the semantics:
>>> number, pad, rjust, size, kind = 0xAB...
How to suppress GCC warnings from library headers?
...ncludes (i.e. #include ) or includes from certain paths? I'd like to use -Wall and/or -Wextra as usual on project code without relevant info being obscured. I currently use grep on make output but I'd like something better.
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How to define a List bean in Spring?
... stages in my application. It's configured that the necessary class (here called Configurator ) is injected with the stages.
Now I need the List of Stages in another class, named LoginBean . The Configurator doesn't offer access to his List of Stages.
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How can I create an Asynchronous function in Javascript?
...
You cannot make a truly custom asynchronous function. You'll eventually have to leverage on a technology provided natively, such as:
setInterval
setTimeout
requestAnimationFrame
XMLHttpRequest
WebSocket
Worker
Some HTML5 APIs such as the File API, Web Database API
Technologies that support...
What does “error: option --single-version-externally-managed not recognized” indicate?
...suddenly started encounter the error error: option --single-version-externally-managed not recognized when pip install ing varions packages (including PyObjC and astropy ). I've never seen this error before, but it's now also showing up on travis-ci builds for which nothing has changed.
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Set opacity of background image without affecting child elements
...downvotes. If I could upvote this twice I would. A child element of a partially opaque parent element is going to be partially opaque, and should be. All "workarounds" are bugs that should eventually be fixed.
– RobW
Nov 28 '12 at 21:17
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Azure table storage returns 400 Bad Request
...ult value which is "DateTime.MinValue". Please note that the minimum value allowed for a Date/Time type attribute is Jan 1, 1601 (UTC) in Windows Azure[http://msdn.microsoft.com/en-us/library/windowsazure/dd179338.aspx]. Please see if that's not the case. If that's the case, then you could make them...
string.Join on a List or other type
... strings from a list of ints so that String.Join(String, String[]) can be called. Only thing I'd say is that it's unusual to see this method written as an extension on String as opposed to IEnumerable<String> - I tend to always call it at the end of a long chain of extension method calls.
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Make browser window blink in task Bar
...need to work around when doing title blinking if you want to fully support all major browsers).
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