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How do I capture the output into a variable from an external process in PowerShell?

I'd like to run an external process and capture it's command output to a variable in PowerShell. I'm currently using this: ...
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What is the “assert” function?

I've been studying OpenCV tutorials and came across the assert function; what does it do? 9 Answers ...
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How to iterate over rows in a DataFrame in Pandas

I have a DataFrame from Pandas: 22 Answers 22 ...
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When do you use Git rebase instead of Git merge?

... Short Version Merge takes all the changes in one branch and merges them into another branch in one commit. Rebase says I want the point at which I branched to move to a new starting point So when do you use either one? Merge Let's say you have created a branch for the purpose of...
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Stock ticker symbol lookup API [closed]

...hat just offers a simple symbol lookup service? i.e., input a company name and it will tell you the ticker symbol? I've tried just screen-scraping Google Finance, but after a little while it rate limits you and you have to enter a CAPTCHA. I'm trying to batch-lookup about 2000 ticker symbols. Any id...
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Entity Framework vs LINQ to SQL

...LINQ to SQL only supports 1 to 1 mapping of database tables, views, sprocs and functions available in Microsoft SQL Server. It's a great API to use for quick data access construction to relatively well designed SQL Server databases. LINQ2SQL was first released with C# 3.0 and .Net Framework 3.5. ...
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Copy file or directories recursively in Python

Python seems to have functions for copying files (e.g. shutil.copy ) and functions for copying directories (e.g. shutil.copytree ) but I haven't found any function that handles both. Sure, it's trivial to check whether you want to copy a file or a directory, but it seems like a strange omission. ...
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Better way to shuffle two numpy arrays in unison

...o sequences of the same length results in the same number of calls to the random number generator, and these are the only "random" elements in the shuffle algorithm. By resetting the state, you ensure that the calls to the random number generator will give the same results in the second call to shu...
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Use JNI instead of JNA to call native code?

...m java to c. In this case jni will win in performance because you can keep and modify this buffer in c, without copying. These are the problems I've encountered. Maybe there's more. But in general performance is not that different between jna and jni, so wherever you can use JNA, use it. EDIT Th...
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Is asynchronous jdbc call possible?

... I don't understand how any of the proposed approaches that wrap JDBC calls in Actors, executors or anything else can help here - can someone clarify. Surely the basic problem is that the JDBC operations block on socket IO. When it does thi...