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How to parse JSON in Scala using standard Scala classes?

...rvice.common.kit.{IsvCode} import scala.util.Try /** * */ case class Order(log: String) { implicit lazy val formats = org.json4s.DefaultFormats lazy val json: json4s.JValue = parse(log) lazy val create_time: String = (json \ "create_time").extractOrElse("1970-01-01 00:00:00") lazy v...
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What is unit testing? [closed]

...r intern thinks it'll look tidier if those parameters were in alphabetical order - and then the unit test you wrote way back fails, and someone throws things at the intern until he changes the parameter order back. That's the "why" of unit tests. :-) ...
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Run javascript function when user finishes typing instead of on key up?

...ple times (keyup pressed twice before keydown is triggered for fast typers etc.) then it doesn't clear properly. The solution below solves this problem and will call X seconds after finished as the OP requested. It also no longer requires the redundant keydown function. I have also added a check so...
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Why is the String class declared final in Java?

...our whole environment (sandbox) through reflection and secretKey.intern().getClass().getClassLoader(). Or the JVM could block this hole by making sure that only concrete String objects (and no subclasses) were added to the pool. If equals was implemented such that SafeString != String then SafeStr...
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(Built-in) way in JavaScript to check if a string is a valid number

... numbers that may not be considered valid (overflow the type, too precise, etc). Also, regex is both slower and more complicated than just using the built-in mechanisms – Joel Coehoorn Dec 30 '14 at 18:18 ...
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What is the difference among col-lg-*, col-md-* and col-sm-* in Bootstrap?

...ix has been removed, so smallest columns are simply col-1, col-2.. col-12, etc.. col-* - 0 (xs) col-sm-* - 576px col-md-* - 768px col-lg-* - 992px col-xl-* - 1200px Bootstrap 4 Grid Demo Additionally, Bootstrap 4 includes new auto-layout columns. These also have responsive breakpoints (col, col-sm, ...
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How do I find all files containing specific text on Linux?

...ot directory. You can also use regular expressions, specify the filetype, etc. UPDATE I just discovered The Silver Searcher, which is like ack but 3-5x faster than it and even ignores patterns from a .gitignore file. sh...
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Is it possible to do start iterating from an element other than the first using foreach?

...d above), you're still technically iterating over the elements in the same order. Not sure what you are trying to achieve, but your class could have multiple IEnumerable properties, each of which enumerates the elements in a specific order. ...
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Hexadecimal To Decimal in Shell Script

...he lowercase letters, the uppercase letters, ‘@’, and ‘_’, in that order. If base is less than or equal to 36, lowercase and uppercase letters may be used interchangeably to represent numbers between 10 and 35." – Tomás Fox Jul 4 '14 at 20:34 ...
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What is the point of noreturn?

... to the caller -- for example because you call exit(), abort(), assert(0), etc. – RavuAlHemio Nov 11 '14 at 19:56 7 ...