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How to generate a random number between a and b in Ruby?

...peError: can't convert Range into Integer. It's not even supported in Ruby 2.0 – fguillen Mar 9 '13 at 16:00 2 ...
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@UniqueConstraint annotation in Java

... I'm currently using play framework too with hibernate and JPA 2.0 annotation and this model works without problems @Entity @Table(uniqueConstraints={@UniqueConstraint(columnNames = {"id_1" , "id_2"})}) public class class_name { @Id @GeneratedValue public Long id; @NotNull pub...
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How do I tell Maven to use the latest version of a dependency?

...groupId> <artifactId>my-foo</artifactId> <version>2.0.0</version> <versioning> <release>1.1.1</release> <versions> <version>1.0</version> <version>1.0.1</version> <version>1.1</version...
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Bootstrap datepicker hide after selection

... If it's any help to anyone, the Version 2.0 of the bootstrap datepicker no longer works with the accepted answer. Here's how I got it working on mine: $('yourpickerid').datepicker({ format: 'dd/mm/yyyy', }).on('changeDate', function(e){ $(this).datepicker...
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How can I get the external SD card path for Android 4.0+?

...unt") .redirectErrorStream(true).start(); process.waitFor(); final InputStream is = process.getInputStream(); final byte[] buffer = new byte[1024]; while (is.read(buffer) != -1) { s = s + new String(buffer); } is.close(); ...
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Remove unused imports in Android Studio

... Well... I pressed this combination using the Android Studio version 2.0 and worked for me. The control + option + O key worked too (I noticed right now), so, forget my last comment and try this combination. – Filipe Brito Apr 20 '16 at 17:59 ...
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When to use thread pool in C#? [closed]

...onsiderations, I use thread pools for database access, physics/simulation, AI(games), and for scripted tasks ran on virtual machines that process lots of user defined tasks. Normally a pool consists of 2 threads per processor (so likely 4 nowadays), however you can set up the amount of threads you ...
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Android Google Maps v2 - set zoom level for myLocation

...ewLatLngZoom(new LatLng(location.getLatitude(), location.getLongitude()), 12.0f)); } } share | improve this answer | follow | ...
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“Instantiating” a List in Java? [duplicate]

...rrayList<T>(); This is in contrast with .NET, where, since version 2.0, List<T> is the default implementation of the IList<T> interface. share | improve this answer | ...
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How to decide font color in white or black depending on background color?

...present a value in hexadecimal (base-16) notation. I won't get into the details of the conversion here, they're easy to look up. Once you have the intensities for the individual colors, you can determine the overall intensity of the color and choose the corresponding text. if (red*0.299 + green*0....