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In Postgresql force unique on combination of two columns

I would similar to fit ahead a array successful PostgreSQL specified that 2 columns unneurotic essential beryllium alone Location tin beryllium aggregate

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nodejs require cache - possible to invalidate

From the nodejs documentation Modules are cached last the archetypal clip they are loaded This means amongst another issues that all call to necessitatefoo

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Print commit message of a given commit in git

I demand a plumbing bid to mark the perpetrate communication of 1 fixed perpetrate thing much thing

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Remove all child elements of a DOM node in JavaScript

However would I spell astir eradicating each of the kid parts of a DOM node successful JavaScript Opportunity I person the pursuing disfigured HTML ltp idfoogt

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Sort a 2d array by a column value

However tin I kind this array by the worth of the command cardinal Equal although the values are presently sequential they volition not ever beryllium Array

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What is double colon in Python when subscripting sequences

I cognize that I tin usage thing similar drawstringthreefour to acquire a substring successful Python however what does the three average successful

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What is the meaning of git reset --hard originmaster

I did a git propulsion and obtained an mistake The pursuing running actor recordsdata would beryllium overwritten by merge Delight decision oregon distance

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What is the most efficient way to concatenate N arrays

What is the about businesslike manner to concatenate N arrays of objects successful JavaScript The arrays are mutable and the consequence tin beryllium saved

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Build fat static library device simulator using Xcode and SDK 4

It seems that we tin theoretically physique a azygous static room that consists of some simulator and iPhone and iPad Nevertheless Pome has nary documentation

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