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What should I use Android AccountManager for?

I've seen AccountManager in the Android SDK and that it is used for storing account information. Thus, I cannot find any general discussion of what it is intended for. Does anyone know of any helpful discussions of what the intention behind AccountManager is and what it buys you? Any opinions of wha...
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What is the difference between vmalloc and kmalloc?

I've googled around and found most people advocating the use of kmalloc , as you're guaranteed to get contiguous physical blocks of memory. However, it also seems as though kmalloc can fail if a contiguous physical block that you want can't be found. What are the advantages of having a contig...
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Java: Path vs File

...hat said, java.nio.file.Path is part of the more modern java.nio.file lib, and does everything java.io.File can, but generally in a better way, and more. For new projects, use Path. And if you ever need a File object for legacy, just call Path#toFile() Migrating from File to Path This Oracle pa...
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How do I install ASP.NET MVC 5 in Visual Studio 2012?

...ir MSDN blogs: MVC 5 for VS2012. From that blog: We have released ASP.NET and Web Tools 2013.1 for Visual Studio 2012. This release brings a ton of great improvements, and include some fantastic enhancements to ASP.NET MVC 5, Web API 2, Scaffolding and Entity Framework to users of Visual Studio 201...
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JavaScript variables declare outside or inside loop?

...rmance, in JavaScript or ActionScript. var is a directive for the parser, and not a command executed at run-time. If a particular identifier has been declared var once or more anywhere in a function body(*), then all use of that identifier in the block will be referring to the local variable. It ma...
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What is the difference between include and require in Ruby?

My question is similar to " What is the difference between include and extend in Ruby? ". 11 Answers ...
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“Comparison method violates its general contract!”

...de throw an exception, "Comparison method violates its general contract!", and how do I fix it? 11 Answers ...
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SQL Server: Get table primary key using sql query [duplicate]

...CONSTRAINT_SCHEMA + '.' + QUOTENAME(CONSTRAINT_NAME)), 'IsPrimaryKey') = 1 AND TABLE_NAME = 'TableName' AND TABLE_SCHEMA = 'Schema' share | improve this answer | follow ...
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chrome undo the action of “prevent this page from creating additional dialogs”

... I need to re-enable alerting for debugging. Of course I can close the tab and reload it but Is there a better way? 7 Answ...
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Random Gaussian Variables

Is there a class in the standard library of .NET that gives me the functionality to create random variables that follow Gaussian distribution? ...