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Java “user.dir” property - what exactly does it mean?

I want to use user.dir dir as a base dir for my unit tests (that creates a lot of files). Is it correct that this property points to the current working directory (e.g. set by the 'cd' command)? ...
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Regex to match a digit two or four times

It's a simple question about regular expressions, but I'm not finding the answer. 2 Answers ...
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Git search for string in a single file's history

So if I have a file called foo.rb and it is giving me an error for a missing method called bar , so I want to search the history of foo.rb for the string bar to see if it was ever defined in the past. ...
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“Ago” date/time functions in Ruby/Rails

I was wondering if there's a way in Rails to calculate time stamp like - half a minute ago, 2 minute ago, 1 day ago etc. Something like twitter real time date stamp. ...
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Difference between jQTouch and jQuery mobile

What is the difference between jQTouch & jQuery Mobile Framework ? 4 Answers 4 ...
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difference between each.with_index and each_with_index in Ruby?

I'm really confused about the difference between each.with_index and each_with_index . They have different types but seem to be identical in practice. ...
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What does “%” (percent) do in PowerShell?

It seems that the % operation starts script blocks after the pipeline, although about_Script_Blocks indicates the % isn't necessary. ...
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Why is there an injected class name?

Recently, I saw a strange C++ feature: injected class name . 1 Answer 1 ...
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Looking for files NOT owned by someone

I'm looking to recursively look through directories to find files NOT owned by a particular user and I am not sure how to write this. ...
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How do you loop through currently loaded assemblies?

I've got a "diagnostics" page in my ASP.NET application which does things like verify the database connection(s), display the current appSettings and ConnectionStrings, etc. A section of this page displays the Assembly versions of important types used throughout, but I could not figure out how to e...