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Singular or plural controller and helper names in Rails

Is there any disadvantage to using singular names for controllers and helpers? Nothing seems to rely on this. It even seems helpers don't have to make the same choice about singular vs. plural as their corresponding controllers, at least according to my limited experimentation. Is that true? ...
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Does a foreign key automatically create an index?

...ly that there's a b*tree without creating it? – Stephanie Page Mar 30 '12 at 16:16 1 @Stephanie P...
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Formatting Decimal places in R

I have a number, for example 1.128347132904321674821 that I would like to show as only two decimal places when output to screen (or written to a file). How does one do that? ...
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Updating a local repository with changes from a GitHub repository

I've got a project checked locally from GitHub, and that remote repository has since had changes made to it. What's the correct command to update my local copy with the latest changes? ...
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Any decent text diff/merge engine for .NET? [closed]

Requirements: 4 Answers 4 ...
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Cross-Origin Request Headers(CORS) with PHP headers

I have a simple PHP script that I am attempting a cross-domain CORS request: 11 Answers ...
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When is an interface with a default method initialized?

While searching through the Java Language Specification to answer this question , I learned that 4 Answers ...
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Unzip files programmatically in .net

...ry at http://www.codeplex.com/DotNetZip class library and toolset for manipulating zip files. Use VB, C# or any .NET language to easily create, extract, or update zip files... DotNetZip works on PCs with the full .NET Framework, and also runs on mobile devices that use the .NET Compact Fram...
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How to configure PostgreSQL to accept all incoming connections

I've got a PostgreSQL data base that I'd like to configure to accept all incoming connections regardless of the source IP address. How can this be configured in the pg_hba.conf file? I'm using postgreSQL version 8.4. ...
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What does “export” do in shell programming? [duplicate]

...ly depends on the shell. For bash, it marks the variable as "exportable" meaning that it will show up in the environment for any child processes you run. Non-exported variables are only visible from the current process (the shell). From the bash man page: export [-fn] [name[=word]] ... export -p Th...