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Why does `a == b or c or d` always evaluate to True?
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What's the difference between identifying and non-identifying relationships?
...ifying relationship exists when the value in the child table can be null.
http://www.sqlteam.com/article/database-design-and-modeling-fundamentals
Here's a simple example of an identifying relationship:
Parent
------
ID (PK)
Name
Child
-----
ID (PK)
ParentID (PK, FK to Parent.ID) -- notice PK
Na...
Grep only the first match and stop
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What does curly brackets in the `var { … } = …` statements do?
...
There is documentation for the let statement on MDN: https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Statements/let
let is similar to var in that it limits the scope of the declared variable. It allows you to declare a variable inside a if(){} block (or some othe...
Dispelling the UIImage imageNamed: FUD
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PHP foreach change original array values
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What does jQuery.fn mean?
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SQL Server SELECT into existing table
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How to perform OR condition in django queryset?
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Why do we need the “event” keyword while defining events?
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