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Using Regular Expressions to Extract a Value in Java

... Full example: private static final Pattern p = Pattern.compile("^([a-zA-Z]+)([0-9]+)(.*)"); public static void main(String[] args) { // create matcher for pattern p and given string Matcher m = p.matcher("Testing123Testing");...
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How to make gradient background in android

I want to create gradient background where the gradient is in the top half and there's a solid color in the bottom half, like in this image below: ...
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How can I split and trim a string into parts all on one line?

I want to split this line: 8 Answers 8 ...
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C++ display stack trace on exception

I want to have a way to report the stack trace to the user if an exception is thrown. What is the best way to do this? Does it take huge amounts of extra code? ...
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How to remove leading and trailing white spaces from a given html string?

I've the following HTML string. What would be sample code in JavaScript to remove leading and trailing white spaces from this string? ...
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Click button copy to clipboard using jQuery

How do I copy the text inside a div to the clipboard? I have a div and need to add a link which will add the text to the clipboard. Is there a solution for this? ...
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Regular Expression For Duplicate Words

I'm a regular expression newbie, and I can't quite figure out how to write a single regular expression that would "match" any duplicate consecutive words such as: ...
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How to do a non-greedy match in grep?

I want to grep the shortest match and the pattern should be something like: 7 Answers ...
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Can I combine :nth-child() or :nth-of-type() with an arbitrary selector?

...h child that matches (or does not match) an arbitrary selector ? For example, I want to select every odd table row, but within a subset of the rows: ...
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Upgrade python packages from requirements.txt using pip command

How do I upgrade all my python packages from requirements.txt file using pip command? 13 Answers ...