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What is database pooling?

... | \------/ (4) | ^ | | (5) | +-------+ (6) +-----------+ #===> | Close | ======> | RealClose | +-------+ +-----------+ In it's simplest form, it's just a similar API call (1)...
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Escaping keyword-like column names in Postgres

...h_no_name 399k6969 gold badges612612 silver badges695695 bronze badges answered Oct 4 '11 at 17:00 NPENPE 416k8181 gold badges8588...
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How to get position of a certain element in strings vector, to use it as an index in ints vector?

... 159 To get a position of an element in a vector knowing an iterator pointing to the element, simply...
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How do I sort an array of hashes by a value in the hash?

... Nowaker 10.7k44 gold badges4545 silver badges5959 bronze badges answered Jun 30 '10 at 23:29 Stéphan KochenStéphan Kochen ...
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Line continuation for list comprehensions or generator expressions in python

... answered Apr 27 '11 at 18:56 Fred FooFred Foo 317k6464 gold badges663663 silver badges785785 bronze badges ...
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What is the best way to do a substring in a batch file?

...however: Substrings are done using the :~start,length notation: %var:~10,5% will extract 5 characters from position 10 in the environment variable %var%. NOTE: The index of the strings is zero based, so the first character is at position 0, the second at 1, etc. To get substrings of argument v...
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Read-only and non-computed variable properties in Swift

... 357 Simply prefix the property declaration with private(set), like so: public private(set) var hou...
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What is the meaning of the prefix N in T-SQL statements and when should I use it?

... 425 It's declaring the string as nvarchar data type, rather than varchar You may have seen Trans...
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How to redirect a url in NGINX

... Dmitry VerhoturovDmitry Verhoturov 5,24822 gold badges2424 silver badges3333 bronze badges ...
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jQuery: Difference between position() and offset()

... Bob Stein 11k88 gold badges6565 silver badges8585 bronze badges answered Jul 8 '10 at 9:04 David HedlundDavid Hedlund ...