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How to return multiple objects from a Java method?

I want to return two objects from a Java method and was wondering what could be a good way of doing so? 25 Answers ...
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Save classifier to disk in scikit-learn

...ier parameters is sparse (as in most text classification examples) you can convert the parameters from dense to sparse which will make a huge difference in terms of memory consumption, loading and dumping. Sparsify the model by: clf.sparsify() Which will automatically work for SGDClassifier but i...
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How can I custom-format the Autocomplete plug-in results?

... //grab user input from the search box var val = $('#s').val() //convert re = new RegExp(val, "ig") //match with the converted value matchNew = text1.match(re); //Find the reg expression, replace it with blue coloring/ text = text1.replace(matchNew, ("<span style='font-weight:bol...
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Why is the gets function so dangerous that it should not be used?

...hat.) It remained an official part of the language up to the 1999 ISO C standard, but it was officially removed by the 2011 standard. Most C implementations still support it, but at least gcc issues a warning for any code that uses it. ...
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How to map a composite key with JPA and Hibernate?

...y the specification also applies. So here they are: 2.1.4 Primary Keys and Entity Identity ... A composite primary key must correspond to either a single persistent field or property or to a set of such fields or properties as described below. A primary key class must be defi...
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How do I detect what .NET Framework versions and service packs are installed?

... { if (parentKey != null) { string installed = Convert.ToString(parentKey.GetValue("Install")); if (installed == "1") { string version = Convert.ToString(parentKey.GetValue("Version")); if (string.IsNullOrEmpty(versi...
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Reading string from input with space character? [duplicate]

I'm using Ubuntu and I'm also using Geany and CodeBlock as my IDE. What I'm trying to do is reading a string (like "Barack Obama" ) and put it in a variable: ...
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Ant: How to execute a command for each file in directory?

...is evil; write a custom ant task. ant-contrib is evil because it tries to convert ant from a declarative style to an imperative style. But xml makes a crap programming language. By contrast a custom ant task allows you to write in a real language (Java), with a real IDE, where you can write unit t...
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What exactly is a reentrant function?

...rant? No. For example, let's have a C++ function that takes both a lock, and a callback as a parameter: #include <mutex> typedef void (*callback)(); std::mutex m; void foo(callback f) { m.lock(); // use the resource protected by the mutex if (f) { f(); } // u...
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Is the ternary operator faster than an “if” condition in Java [duplicate]

... readable doesn't mean it matters, perse. – Jon Egeland Mar 16 '12 at 22:42 24 @Jon: Yes, it doe...