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BAT file: Open new cmd window and execute a command in there

I'm trying to open a new command window in a BAT file: 8 Answers 8 ...
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Pandas groupby: How to get a union of strings

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Using “this” with class name

... am doing Android programming and was learning about Intents, when I saw a constructor that, to my C# trained mind, seemed funky. The call was: ...
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Is there any pythonic way to combine two dicts (adding values for keys that appear in both)?

For example I have two dicts: 17 Answers 17 ...
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Convert column classes in data.table

I have a problem using data.table: How do I convert column classes? Here is a simple example: With data.frame I don't have a problem converting it, with data.table I just don't know how: ...
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Batch file to delete files older than N days

I am looking for a way to delete all files older than 7 days in a batch file. I've searched around the web, and found some examples with hundreds of lines of code, and others that required installing extra command line utilities to accomplish the task. ...
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What does ** (double star/asterisk) and * (star/asterisk) do for parameters?

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Why doesn't C have unsigned floats?

... know, the question seems to be strange. Programmers sometimes think too much. Please read on... 12 Answers ...
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Trying to embed newline in a variable in bash [duplicate]

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Is Fortran easier to optimize than C for heavy calculations?

From time to time I read that Fortran is or can be faster then C for heavy calculations. Is that really true? I must admit that I hardly know Fortran, but the Fortran code I have seen so far did not show that the language has features that C doesn't have. ...