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How to implement a many-to-many relationship in PostgreSQL?
...al primary key columns
Auto increment table column
https://www.2ndquadrant.com/en/blog/postgresql-10-identity-columns/
I highly recommend that, because the name of a product is hardly unique (not a good "natural key"). Also, enforcing uniqueness and referencing the column in foreign keys is typical...
Deserialize JSON to ArrayList using Jackson
...e deserialization. MyPojo has only int and String instance variables combined with proper getters and setters. MyPojoDeMixIn looks something like this:
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What's the difference between dist-packages and site-packages?
...derivatives, like Ubuntu. Modules are installed to dist-packages when they come from the Debian package manager into this location:
/usr/lib/python2.7/dist-packages
Since easy_install and pip are installed from the package manager, they also use dist-packages, but they put packages here:
/usr/lo...
Simple (I think) Horizontal Line in WPF?
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What is the best way to exit a function (which has no return value) in python before the function en
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What is the Comonad typeclass in Haskell?
What is the Comonad typeclass in Haskell? As in Comonad from Control.Comonad in the comonad package (explanations of any other packages that provide a Comonad typeclass are also welcome). I've vaguely heard about Comonad, but all I really know about it is that is provides extract :: w a -> a ,...
Using PassportJS, how does one pass additional form fields to the local authentication strategy?
...d, done) {
// now you can check req.body.foo
}
));
When, set req becomes the first argument to the verify callback, and you can inspect it as you wish.
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what is the most efficient way of counting occurrences in pandas?
...uld be much slower than max. Both take some time to avoid missing values. (Compare with size.)
In any case, value_counts has been specifically optimized to handle object type, like your words, so I doubt you'll do much better than that.
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RegEx: Smallest possible match or nongreedy match
...hortest possible match" regarding RegEx standards. See the answer below my comment: With abcabk and a.+?k, RegEx will match the entire string.
– finefoot
Feb 9 '17 at 10:49
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