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Regex group capture in R with multiple capture-groups
In R, is it possible to extract group capture from a regular expression match? As far as I can tell, none of grep , grepl , regexpr , gregexpr , sub , or gsub return the group captures.
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How to verify if a file exists in a batch file?
I have to create a .BAT file that does this:
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What is the correct format to use for Date/Time in an XML file
What format do I use for Date/Time when writing to an XML file using .NET? Do I simply use DateTime.ToString() , or do I have to use a specific format?
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Function to Calculate Median in SQL Server
According to MSDN , Median is not available as an aggregate function in Transact-SQL. However, I would like to find out whether it is possible to create this functionality (using the Create Aggregate function, user defined function, or some other method).
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Use Mockito to mock some methods but not others
Is there any way, using Mockito, to mock some methods in a class, but not others?
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Pass data to layout that are common to all pages
I have a website which have a layout page. However this layout page have data which all pages model must provide such page title, page name and the location where we actually are for an HTML helper I did which perform some action. Also each page have their own view models properties.
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Store a closure as a variable in Swift
In Objective-C, you can define a block's input and output, store one of those blocks that's passed in to a method, then use that block later:
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Docker - a way to give access to a host USB or serial device?
Last time I checked, Docker didn't have any means to give container access to host serial or USB port . Is there a trick which allows doing that?
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How to execute Python scripts in Windows?
I have a simple script blah.py (using Python 2):
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