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Predicate in Java
I am going through the code which uses Predicate in Java. I have never used Predicate . Can someone guide me to any tutorial or conceptual explanation of Predicate and its implementation in Java?
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mongoDB/mongoose: unique if not null
I was wondering if there is way to force a unique collection entry but only if entry is not null .
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Sample schema:
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Which is best way to define constants in android, either static class, interface or xml resource?
I'm developing an android application which uses web service to get data from server, for that I'm having three different set of URLs to point development system, test server and live server. It's difficult to change URL whenever I want to give application for testing/live. so I planned to make it a...
What is a Manifest in Scala and when do you need it?
Since Scala 2.7.2 there is something called Manifest which is a workaround for Java's type erasure. But how does Manifest work exactly and why / when do you need to use it?
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Build the full path filename in Python
...ass a file path name to a module. How do I build the file path from a directory name, base filename, and a file format string?
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Which concurrent Queue implementation should I use in Java?
From the JavaDocs:
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How to create a density plot in matplotlib?
In R I can create the desired output by doing:
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What is the difference between Pan and Swipe in iOS?
Sounds simple .. Hold the Trackpad, move the finger, release .. But somehow swipe is not being triggered (pan is triggered instead)
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ASP.NET MVC A potentially dangerous Request.Form value was detected from the client when using a cus
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Adding up BigDecimals using Streams
I have a collection of BigDecimals (in this example, a LinkedList ) that I would like to add together. Is it possible to use streams for this?
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