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How do I negate a test with regular expressions in a bash script?
Using GNU bash (version 4.0.35(1)-release (x86_64-suse-linux-gnu), I would like to negate a test with Regular Expressions. For example, I would like to conditionally add a path to the PATH variable, if the path is not already there, as in:
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Why does substring slicing with index out of range work?
Why doesn't 'example'[999:9999] result in error? Since 'example'[9] does, what is the motivation behind it?
3 Answers
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How do I validate a date string format in python?
I have a python method which accepts a date input as a string .
5 Answers
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How do I strip non alphanumeric characters from a string and keep spaces?
I want to create a regex that removes all non-alphanumber characters but keeps spaces. This is to clean search input before it hits the db. Here's what I have so far:
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The located assembly's manifest definition does not match the assembly reference
I am trying to run some unit tests in a C# Windows Forms application (Visual Studio 2005), and I get the following error:
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How Pony (ORM) does its tricks?
Pony ORM does the nice trick of converting a generator expression into SQL. Example:
1 Answer
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Meaning of $? (dollar question mark) in shell scripts
What does
8 Answers
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Return positions of a regex match() in Javascript?
Is there a way to retrieve the (starting) character positions inside a string of the results of a regex match() in Javascript?
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UITableView load more when scrolling to bottom like Facebook application
I am developing an application that uses SQLite. I want to show a list of users (UITableView) using a paginating mechanism. Could any one please tell me how to load more data in my list when the user scrolls to the end of the list (like on home page on Facebook application)?
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