Memory usage for 1 million loops drops from 18MB to under 1KB? An introduction to PHP generators (yield)

When handling large amounts of data in PHP, writing code that "puts everything into an array before looping with foreach" ...

Is Fewer Loop Processes Better in Excel VBA? How to Write Code with an Emphasis on Readability

Is Fewer Loop Processes Better in Excel VBA? How to Write Code with an Emphasis on ReadabilityWhen programming in Excel VBA, ...
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Python : Loops, arrays, functions and procedures using Trinket

Set of 14 lessons created to introduce why loops ( for and while) are used in programming by drawing a range of different shapes. Text handling including 1 D and 2D arrays. Procedures and functions ...