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PatternSyntaxException: Illegal Repetition when using regex in Java

... | edited Sep 24 '18 at 23:27 Swagga Ting 54222 silver badges1515 bronze badges answered Jan 5 '12 at 2...
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Hidden features of Scala

...al regex = "(\\d+)/(\\d+)/(\\d+)".r val regex(year, month, day) = "2010/1/13" The second line looks confusing if you're not used to using pattern matching and extractors. Whenever you define a val or var, what comes after the keyword is not simply an identifier but rather a pattern. That's why t...
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mongodb group values by multiple fields

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Prompt for user input in PowerShell

... 340 Read-Host is a simple option for getting string input from a user. $name = Read-Host 'What is...
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Why is 'this' a pointer and not a reference?

...| edited Mar 14 '09 at 16:36 answered Mar 14 '09 at 14:41 D...
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How to do a safe join pathname in ruby?

... 336 I recommend using File.join >> File.join("path", "to", "join") => "path/to/join" ...
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How do I make a simple makefile for gcc on Linux?

... Joey AdamsJoey Adams 35.7k1717 gold badges7979 silver badges108108 bronze badges ...
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CSS: how to add white space before element's content?

... | edited Mar 13 '16 at 9:52 answered May 14 '13 at 20:36 ...
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Simple logical operators in Bash

... 32 Great post, the brackets summary is just ideal. – KomodoDave May 10 '13 at 8:31 ...
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How do I reference a Django settings variable in my models.py?

... | edited Dec 3 '18 at 16:17 Arbazz Hussain 90244 silver badges2323 bronze badges answered O...