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Regex to validate date format dd/mm/yyyy
...2-9]\d)?\d{2})$
I tested it a bit in the link Arun provided in his answer and also here and it seems to work.
Edit February 14th 2019: I've removed a comma that was in the regex which allowed dates like 29-0,-11
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How do I delete specific lines in Notepad++?
I'm cleaning up some code files (C#) and want to remove the regions. And I would like to delete all the lines that have the string '#region'. That's just an example, and I can think of several more uses, but is that even possible?
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List all tables in postgresql information_schema
...asterisk).(asterisk) thing, sorry. I just ran the select query in postgres and it listed information about all the tables in it. Try running the select statement (on your blank db) and see what it returns.
– RodeoClown
Feb 16 '10 at 22:15
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What is NODE_ENV and how to use it in Express?
...ode application is run, it can check the value of the environment variable and do different things based on the value. NODE_ENV specifically is used (by convention) to state whether a particular environment is a production or a development environment. A common use-case is running additional debuggi...
Rails CSRF Protection + Angular.js: protect_from_forgery makes me to log out on POST
..._forgery option is mentioned in application_controller, then I can log in and perform any GET requests, but on very first POST request Rails resets the session, which logs me out.
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Which is faster/best? SELECT * or SELECT column1, colum2, column3, etc
...eard that SELECT * is generally bad practice to use when writing SQL commands because it is more efficient to SELECT columns you specifically need.
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CSS3's border-radius property and border-collapse:collapse don't mix. How can I use border-radius to
...: collapse breaking everything.
A workaround is to add border-spacing: 0 and leave the default border-collapse: separate on the table.
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Why doesn't logcat show anything in my Android?
Why doesn't logcat show anything in my Android (while developing apps with Eclipse)?
27 Answers
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Good examples of Not a Functor/Functor/Applicative/Monad?
...ariant functor out of it, but not a (covariant) functor. Try writing fmap and you'll fail. Note that the contravariant functor version is reversed:
fmap :: Functor f => (a -> b) -> f a -> f b
contramap :: Contravariant f => (a -> b) -> f b -> f a
A type constr...
How do you dynamically add elements to a ListView on Android?
...anyone explain or suggest a tutorial to dynamically create a ListView in android?
7 Answers
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