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How to randomly pick an element from an array
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Since you have java 8, another solution is to use Stream API.
new Random().ints(1, 500).limit(500).forEach(p -> System.out.println(list[p]));
Where 1 is the lowest int generated (inclusive) and 500 is the highest (exclusive). limit means that your stream will have a length of...
Is there a list of Pytz Timezones?
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@YongweiWu it is a wrong API usage. You shouldn't pass a pytz timezone with a non-fixed utc offset as a tzinfo argument directly. Use .localize() method as the pytz docs suggest.
– jfs
May 9 '18 at 11:20
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CSS :not(:last-child):after selector
...to accomplish this cross-browser. jQuery implements :not() in its selector API.
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to drawRect or not to drawRect (when should one use drawRect/Core Graphics vs subviews/images and wh
...s being used all the time, you're probably going slow. It's a rich drawing API, which requires its work be done on the CPU, as opposed to a lot of UIKit work that is offloaded to the GPU. If you had to animate a ball moving across the screen, it would be a terrible idea to call setNeedsDisplay on a ...
How to detect when a UIScrollView has finished scrolling
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Though it's the official API. It actually doesn't always work as we expect. @Ashley Smart gave a more practical solution.
– Di Wu
Jun 14 '11 at 8:45
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Read environment variables in Node.js
...e process.env object:
for example
var mode = process.env.NODE_ENV;
var apiKey = process.env.apiKey; // '42348901293989849243'
Here is the answer that will explain setting environment variables in node.js
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Internet Explorer 11 detection
...nd only implemented in IE 11.
https://developer.mozilla.org/en-US/docs/Web/API/Window/crypto
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How to convert an NSString into an NSNumber
...mmatically, you're consuming it as part of the response from some external API, etc.) local-sensitive is not appropriate and could even give incorrect results.
– aroth
Mar 9 '16 at 4:43
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How to put attributes via XElement
...ad to pass in multiple XAttribute objects (docs.microsoft.com/de-de/dotnet/api/…)
– Jehof
Apr 17 '19 at 18:55
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Android: remove notification from notification bar
...cel method is the ID of the notification that should be canceled.
See the API: http://developer.android.com/reference/android/app/NotificationManager.html#cancel(int)
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