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AsyncTask Android example

... } private final class LongOperation extends AsyncTask<Void, Void, String> { @Override protected String doInBackground(Void... params) { for (int i = 0; i < 5; i++) { try { Thread.sleep(1000); } catch (Int...
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How to get random value out of an array?

... That's a lot of extra computational "work" just to get a single random element, though. The other answers that use mt_rand() are probably better suited to the task. – rinogo
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How can I make robocopy silent in the command line except for progress?

... Appears if you use /mir or /purge the extra files are still logged. Can't find a way to turn that off. – bbodenmiller Apr 14 '14 at 18:08 1 ...
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How to check the extension of a filename in a bash script?

... If you want to specify an inequality, remember to include extra brackets: if [[ ${file: -4} != ".txt" ]] – Ram Rajamony Jul 20 '13 at 23:38 ...
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Spring mvc @PathVariable

...questMapping(value = " /order/{orderId}", method=RequestMethod.GET) public String getOrder(@PathVariable String orderId){ //fetch order } if you use url www.mydomain.com/order/123, then orderId variable will be populated by value 123 by spring Also note that PathVariable differs from requestParam...
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Example images for code and mark-up Q&As [closed]

...1.1C. The orbits of the 'inner' planets (from Mercury to Jupiter, with an extra orbit shown in the thick of the asteroid belt). Better on a dark BG. Details: 450x450 & 150x150 px animated GIFs with transparency. Pictures Sunrise & moonset over the CBD of Sydney, AustraliaSunset ...
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Fatal error: Maximum execution time of 30 seconds exceeded

..., to keep this limit as low as possible while allowing a certain amount of extra buffer. Out of security reasons I would not want to turn it off completely. It should be set reasonable. I actually set it to twice the amount of time my longest running script takes for completion under a medium server...
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How to use a variable inside a regular expression?

... From python 3.6 on you can also use Literal String Interpolation, "f-strings". In your particular case the solution would be: if re.search(rf"\b(?=\w){TEXTO}\b(?!\w)", subject, re.IGNORECASE): ...do something EDIT: Since there have been some questions in the co...
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How to have multiple CSS transitions on an element?

...e way it was explained there are two negative effects. 1, The browser adds extra resources due to the use of 'all'. The browser will listen closely to that element waiting for any changes which are less performant and can create page jank. 2, Can create unexpected effects if a developer later puts i...
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What could cause java.lang.reflect.InvocationTargetException?

... You've added an extra level of abstraction by calling the method with reflection. The reflection layer wraps any exception in an InvocationTargetException, which lets you tell the difference between an exception actually caused by a failure ...