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How to generate random number with the specific length in python

Let say I need a 3 digit number, so it would be something like: 8 Answers 8 ...
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How do I specify new lines on Python, when writing on files?

In comparison to Java (in a string), you would do something like "First Line\r\nSecond Line" . 13 Answers ...
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What is the exact meaning of IFS=$'\n'?

If the following example, which sets the IFS environment variable to a line feed character... 6 Answers ...
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What is the easiest way in C# to trim a newline off of a string?

I want to make sure that _content does not end with a NewLine character: 10 Answers 10...
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i18n Pluralization

I want to be able to translate pluralized strings in i18n in rails. A string can be : 7 Answers ...
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How to take the first N items from a generator or list in Python? [duplicate]

With linq I would 8 Answers 8 ...
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Select N random elements from a List in C#

I need a quick algorithm to select 5 random elements from a generic list. For example, I'd like to get 5 random elements from a List<string> . ...
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What is the difference between \r and \n?

How are \r and \n different? I think it has something to do with Unix vs. Windows vs. Mac, but I'm not sure exactly how they're different, and which to search for/match in regexes. ...
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Difference between “\n” and Environment.NewLine

What is the difference between two, if any (with respect to .Net)? 7 Answers 7 ...
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Replace \n with actual new line in Sublime Text

How can I replace \n in Sublime Text with real in-editor displayed new line so: 12 Answers ...