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Running shell command and capturing the output
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The answer to this question depends on the version of Python you're using. The simplest approa...
PCH File in Xcode 6
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answered Jul 27 '14 at 5:05
marciokokomarciokoko
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If string is empty then return some default value
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ActiveSupport adds a presence method to all objects that returns its receiver if present? (the...
Error: CUICatalog: Invalid asset name supplied: (null), or invalid scale factor : 2.000000
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12 Answers
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Get the current user, within an ApiController action, without passing the userID as a parameter
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In WebApi 2 you can use RequestContext.Principal from within a method on ApiController
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SQL Server CTE and recursion example
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210
I haven't tested your code, just tried to help you understand how it operates in comment;
WIT...
How to join (merge) data frames (inner, outer, left, right)
... the merge function and its optional parameters:
Inner join: merge(df1, df2) will work for these examples because R automatically joins the frames by common variable names, but you would most likely want to specify merge(df1, df2, by = "CustomerId") to make sure that you were matching on only the f...
Build.scala, % and %% symbols meaning
I'm new to Play! Framework 2.1 (java version) and have no experience with scala. I don't understand what are and what does % and %% mean in Build.scala. I googled about them but couldn't find their meaning.
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Separate REST JSON API server and client? [closed]
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At Boundless, we've gone deep with option #2 and rolled it out to thousands of students. Our server is a JSON REST API (Scala + MongoDB), and all of our client code is served straight out of CloudFront (ie: www.boundless.com is just an alias for CloudFront).
Pros:
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