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ActiveRecord: size vs count

In Rails, you can find the number of records using both Model.size and Model.count . If you're dealing with more complex queries is there any advantage to using one method over the other? How are they different? ...
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How do I limit the number of results returned from grep?

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Count, size, length…too many choices in Ruby?

I can't seem to find a definitive answer on this and I want to make sure I understand this to the "n'th level" :-) 6 Answe...
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Suppressing “is never used” and “is never assigned to” warnings in C#

I have a HTTPSystemDefinitions.cs file in C# project which basically describes the older windows ISAPI for consumption by managed code. ...
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Are static class instances unique to a request or a server in ASP.NET?

On an ASP.NET website, are static classes unique to each web request, or are they instantiated whenever needed and GCed whenever the GC decides to disposed of them? ...
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Setting Short Value Java

I am writing a little code in J2ME. I have a class with a method setTableId(Short tableId) . Now when I try to write setTableId(100) it gives compile time error. How can I set the short value without declaring another short variable? ...
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Unignore subdirectories of ignored directories in Git

Let's say I have ignored a directory, but I want to unignore specific subdirectories therein. So I have the setup: 5 Answer...
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Is is possible to check if an object is already attached to a data context in Entity Framework?

I am getting the following error when trying to attach an object that is already attached to a given context via context.AttachTo(...) : ...
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NHibernate ISession Flush: Where and when to use it, and why?

One of the things that get me thoroughly confused is the use of session.Flush ,in conjunction with session.Commit , and session.Close . ...
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How to provide different Android app icons for different gradle buildTypes?

...e file: debug and release . I'd like to be able to set a different app icon for the debug build type. Is there any way to this just through the build type, without getting into product flavors? build.gradle file is below. ...