Tuesday, August 26, 2025

Rob Gravelle

Rob Gravelle resides in Ottawa, Canada, and has been an IT guru for over 20 years. In that time, Rob has built systems for intelligence-related organizations such as Canada Border Services and various commercial businesses. In his spare time, Rob has become an accomplished music artist with several CDs and digital releases to his credit.
376 articles written

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Debug Javascript with Internet Explorer Developer Tools

Script Debugging Using the Internet Explorer Developer...

Working with Negative PlotKit Chart Y Axis Values

Create a Win/Loss Chart with PlotKit I recently...

The Best HTML5 Charting Libraries

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Create Negative, Blur, and Rotate Image Effects Using the HTML5 Canvas

2/18/13 The HTML Canvas element has given Web...

JSLint Errors and Options Described

In the A Quick Tour of Douglas...

Spy on JavaScript Methods Using the Jasmine Testing Framework

In the Testing JavaScript Using the Jasmine...

Providing GPS Coordinates Via the Eclipse Android Simulator

In most Android devices, your location-based or...

Back by Popular Demand: More on JavaScript Variable Naming Conventions

The Variable Naming Conventions in JavaScript article...

Accessing Private Functions in JavaScript: Nested Functions

In the Accessing Private Functions in JavaScript...

Some Useful JavaScript Object Creation Patterns

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Passing Objects to Functions By Value

As mentioned in my Passing JavaScript Function...

Passing JavaScript Function Arguments by Reference

11/27/2012 There are two ways that a function...

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