In this card we will learn to write code that scales with a large number of database records. We will...
Understand how asynchronous JavaScript works: Read Henning's presentation about asynchronous Javascript (there's also a German video presentation...
In a web application you often need to move data between the client (HTML, Javascript) and the server (Ruby, Rails...
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Quick reference for passing data from Rails to JavaScript via Unpoly compilers. Haml Attribute Syntax # Ising hash rockets and string...
Performing COUNT(*) on large tables is slow. Sometimes you don’t need the exact number once results exceed a certain...