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Count the items from a IEnumerable without iterating?

Let's say I want iterate on those and write something like processing #n of #m. 19 Answers ...
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switch / pattern matching idea

I've been looking at F# recently, and while I'm not likely to leap the fence any time soon, it definitely highlights some areas where C# (or library support) could make life easier. ...
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Git undo local branch delete

I just deleted the wrong branch with some experimental changes I need with git branch -D branchName . 8 Answers ...
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How do I get the path of a process in Unix / Linux

In Windows environment there is an API to obtain the path which is running a process. Is there something similar in Unix / Linux? ...
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How to see top processes sorted by actual memory usage?

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What is the right way to check for a null string in Objective-C?

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Server is already running in Rails

When I am starting rails server using rails s command it is showing A server is already running. Check C:/Sites/folder/Pids/Server.pids ...
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python pandas: Remove duplicates by columns A, keeping the row with the highest value in column B

I have a dataframe with repeat values in column A. I want to drop duplicates, keeping the row with the highest value in column B. ...
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Unable to resolve “unable to get local issuer certificate” using git on Windows with self-signed cer

I am using Git on Windows. I installed the msysGit package. My test repository has a self signed certificate at the server. I can access and use the repository using HTTP without problems. Moving to HTTPS gives the error: ...
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Installing SciPy with pip

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