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Measure execution time for a Java method [duplicate]

...tTime); In Java 8 (output format is ISO-8601): Instant start = Instant.now(); Thread.sleep(63553); Instant end = Instant.now(); System.out.println(Duration.between(start, end)); // prints PT1M3.553S Guava Stopwatch: Stopwatch stopwatch = Stopwatch.createStarted(); myCall(); stopwatch.stop(); ...
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How to print time in format: 2009‐08‐10 18:17:54.811

... It's an even better answer now, and props for looking up how to handle the millisecond part. I think your buffer is now a little longer than it needs to be, though. – Jack Kelly Sep 9 '10 at 3:56 ...
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What does threadsafe mean?

... int tmp = myInt; tmp = tmp + 1; myInt = tmp; return tmp; } Now thread A and thread B both would like to execute AddOne(). but A starts first and reads the value of myInt (0) into tmp. Now for some reason the scheduler decides to halt thread A and defer execution to thread B. Thread ...
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How do I get the current time only in JavaScript

... // => 30 d.getSeconds(); // => 51 or var d = new Date(); // for now d.getHours(); // => 9 d.getMinutes(); // => 30 d.getSeconds(); // => 51 share | improve this answer ...
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Why is January month 0 in Java Calendar?

...ng what's wrong with it would take a very long time (and I'm sure I don't know half of the problems). Admittedly working with dates and times is tricky, but aaargh anyway. Do yourself a favour and use Joda Time instead, or possibly JSR-310. EDIT: As for the reasons why - as noted in other answers,...
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How to get Ruby / Homebrew / RVM to work on Yosemite?

...gher - I followed the answer below install xcode command line tools and it now works: stackoverflow.com/a/24225960/1062936 – greg Feb 4 '15 at 23:59  |  ...
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What is causing this ActiveRecord::ReadOnlyRecord error?

... answered. I actually discovered I could remove a join from that query, so now the working query is 6 Answers ...
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Styling multi-line conditions in 'if' statements? [closed]

...anks, it's probably a good idea to update your examples too since they are now not recommended. I was trying to figure this out myself and was confused by the discrepancy between your answer and the style guide (hence my comment). I wasn't just trying to be pedantic. – joshca...
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Using Razor within JavaScript

...cript"> // Some JavaScript code here to display map, etc. // Now add markers @foreach (var item in Model) { <text> var markerlatLng = new google.maps.LatLng(@(Model.Latitude), @(Model.Longitude)); var title = '@(Model.Title)'; var d...
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Monad in plain English? (For the OOP programmer with no FP background)

... take a type, say int, and add a new capability to that type, namely, that now it can be null when it couldn't before. As a second example, consider IEnumerable<T>. It is an amplifier of types. It lets you take a type, say, string, and add a new capability to that type, namely, that you can n...