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What's the fastest way to merge/join data.frames in R?

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HtmlString vs. MvcHtmlString

...cHtmlString was a compatibility shim added to MVC 2 to support both .NET 3.5 and .NET 4. Now that MVC 3 is .NET 4 only, it's a fairly trivial subclass of HtmlString presumably for MVC 2->3 for source compatibility. If you're ever going to drop back to MVC 2 it might make sense to use IHtmlString...
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Matplotlib: “Unknown projection '3d'” error

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How to express infinity in Ruby?

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CSS - Overflow: Scroll; - Always show vertical scroll bar?

...scrollbar-thumb { border-radius: 4px; background-color: rgba(0, 0, 0, .5); box-shadow: 0 0 1px rgba(255, 255, 255, .5); } /* always show scrollbars */ ::-webkit-scrollbar { -webkit-appearance: none; width: 7px; } ::-webkit-scrollbar-thumb { border-radius: 4px; backgrou...
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C# 5 async CTP: why is internal “state” set to 0 in generated code before EndAwait call?

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Add subdomain to localhost URL

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Get first day of week in PHP?

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Passing arguments forward to another javascript function

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For loop example in MySQL

... 145 drop table if exists foo; create table foo ( id int unsigned not null auto_increment primary key...