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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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Comparison of JSON Parser for Objective-C (JSON Framework, YAJL, TouchJSON, etc)

...w, there are three JSON Parsers for Objective-C, JSON Framework , YAJL , and Touch JSON . Then, These three would have their own characteristics. For example: YAJL can be used as a SAX style parser. JSON Framework has relatively long history and is widely used. Touch JSON parses NSData...
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check if directory exists and delete in one command unix

Is it possible to check if a directory exists and delete if it does,in Unix using a single command? I have situation where I use ANT 'sshexec' task where I can run only a single command in the remote machine. And I need to check if directory exists and delete it... ...
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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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Is there an “exists” function for jQuery?

... In JavaScript, everything is 'truthy' or 'falsy', and for numbers 0 means false, everything else true. So you could write: if ($(selector).length) You don't need that >0 part. share | ...
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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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Objective-C: Where to remove observer for NSNotification?

I have an objective C class. In it, I created a init method and set up a NSNotification in it 14 Answers ...
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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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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 ...