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ExecutorService, how to wait for all tasks to finish

... The simplest approach is to use ExecutorService.invokeAll() which does what you want in a one-liner. In your parlance, you'll need to modify or wrap ComputeDTask to implement Callable<>, which can give you quite a bit more flexibil...
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How do I access call log for android?

...uration = managedCursor.getColumnIndex(CallLog.Calls.DURATION); sb.append("Call Details :"); while (managedCursor.moveToNext()) { String phNumber = managedCursor.getString(number); String callType = managedCursor.getString(type); String callDate = ...
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Creating a copy of a database in PostgreSQL [closed]

... Yes, the same caveats apply to this command, as to explicit CREATE DATABASE invocation. Like the comments for Bell's answer above say, the database should be idle. – zbyszek Apr 13 '12 at 15:50 ...
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What is the difference between an interface and a class, and why I should use an interface when I ca

... Hey that looks like a very good ingredient for me to understand, I really appreciate it, thanks a lot :) :) – Jasmine Jun 6 '12 at 13:46 ...
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PHPUnit: assert two arrays are equal, but order of elements not important

...or a simpler way for now. Untested code, please verify: Somewhere in your app: /** * Determine if two associative arrays are similar * * Both arrays must have the same indexes with identical values * without respect to key ordering * * @param array $a * @param array $b * @return bool *...
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How can I add or update a query string parameter?

...owever it doesnt handle usecase when hashtag is present in the url. Simple append of hash to the end of newRelativePathQuery does the trick: var newRelativePathQuery = window.location.pathname + '?' + searchParams.toString() + window.location.hash; – kudlohlavec ...
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What are the uses of the exec command in shell scripts? [closed]

...re are some scenarios I have used it; We want the user to run a specific application program without access to the shell. We could change the sign-in program in /etc/passwd, but maybe we want environment setting to be used from start-up files. So, in (say) .profile, the last statement says somet...
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In JavaScript can I make a “click” event fire programmatically for a file input element?

...'t. Which means if you want it to look like all the other buttons in your app, you can't. – Vincent Sep 18 '19 at 1:32  |  show 7 more commen...
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Java NIO FileChannel versus FileOutputstream performance / usefulness

...is buffer size is ripe for tuning. I've settled on 4KB for one part of my application, 256KB for another. I suspect your code is suffering with such a large buffer. Run some benchmarks with buffers of 1KB, 2KB, 4KB, 8KB, 16KB, 32KB and 64KB to prove it to yourself. Don't perform java benchmarks ...
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How to trigger a phone call when clicking a link in a web page on mobile phone

...r future reference: on OS X Yosemite and up, this will launch the Facetime app and, if the user has an iPhone, lets them actually call with their desktop/laptop. – Jeff Huijsmans Jun 10 '15 at 10:50 ...