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Swift - How to convert String to Double

...00,00 it would cut off the 2 decimals at the end. At least this is whats happening for Objective-C. -- As per Apple documentation:(They are not locale-aware) The following convenience methods all skip initial space characters (whitespaceSet) and ignore trailing characters. They are not l...
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Why would you ever implement finalize()?

... Only use if you need that "belt and suspenders" safety in a long-running app. I see that as of Java 9, Object.finalize() is deprecated! They point us to java.lang.ref.Cleaner and java.lang.ref.PhantomReference as alternatives. ...
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Debugging Scala code with simple-build-tool (sbt) and IntelliJ

... For ordinary debugging in IntelliJ, you can use an Application run/debug configuration in the usual way, regardless of whether you're using sbt to compile your code. To connect to your application running in Jetty, you'll need to create a Remote debug configuration. When yo...
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Check if Internet Connection Exists with Javascript? [duplicate]

...online = navigator.onLine; Read more about the W3C's spec on offline web apps, however be aware that this will work best in modern web browsers, doing so with older web browsers may not work as expected, or at all. Alternatively, an XHR request to your own server isn't that bad of a method for te...
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UILabel sizeToFit doesn't work with autolayout ios6

...fLines . However, no matter if I put that code in viewDidLoad: , viewDidAppear: , or viewDidLayoutSubviews I can't get it to work. Either I make the box too small for long text and it doesn't grow, or I make it too big and it doesn't shrink. ...
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How many threads can a Java VM support?

...and become unstable. My experience shows that Java (recent versions) can happily consume as many Threads as the computer itself can host without problems. Of course, you have to have enough RAM and you have to have started Java with enough memory to do everything that the Threads are doing and to ...
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Benefit of using Parcelable instead of serializing object

... requirements. So the team built the Parcelable solution. The Parcelable approach requires that you explicitly serialize the members of your class, but in the end, you get a much faster serialization of your objects. Also realize that Android provides two mechanisms that allow...
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What's the Point of Multiple Redis Databases?

...stance, and that's management. If you spin up a separate instance for each application, and let's say you've got 3 apps, that's 3 separate redis instances, each of which will likely need a slave for HA in production, so that's 6 total instances. From a management standpoint, this gets messy real qui...
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How do I view an older version of an SVN file?

... I believe the best way to view revisions is to use a program/app that makes it easy for you. I like to use trac : http://trac.edgewall.org/wiki/TracSubversion It provides a great svn browser and makes it really easy to go back through your revisions. It may be a little overkill to s...
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Why is Everyone Choosing JSON Over XML for jQuery? [closed]

...SON parser, whether it's for Javascript or Objective-C for a native iPhone app or C# or a Python client. The floats would get interpreted as floats, the strings as strings, and booleans as booleans. Using the 'simplejson' library in Python, a simplejson.loads(some_json_string) statement would give m...