JSHint ‘x’ is an implied global variable
I’ve started using JSHint to check my javascript. One error I encountered was: Errors: 85,5:'grammar' is not defined. Warning: 85,1: 'grammar' is an implied global variable. This is saying that I’m...
View ArticleDraw UML Sequence Diagrams with Javascript
I’m happy to announce one of my projects, js-sequence-diagrams. This uses Javascript to draw UML sequence diagrams in SVG format. Here is an example: You can alter the diagram in real time, and I even...
View ArticleSMS Character Count
It is commonly known that Twitter allows 140 character messages, and some will tell you that a single SMS message is limited to 160 characters. However, it’s not as simple as that. In the US a single...
View ArticleHTML5 Canvas: Lunch Wheel
In the on going battle to make my lunch time more optimised I decided to learn some Javascript, and how to use the HTML5 Canvas element. Turns out it’s not that hard, and I have now created The Lunch...
View ArticleGoogle Chrome Javascript console.log bug?
I recently stumbled across this issue while debugging some Javascript. Take the following example code: var array = [1,2,3,4,5,6,7,8,9,10]; var i = 0; while(array.length > 0) { console.log(i++,...
View ArticleMy experiences with developing multi-threaded nodejs addon
I’ve been modifying an existing nodejs extension, that wraps libcwiid (a C library written to interface with a Wiimote). This extension uses polling to check if the state of the Wiimote has changed...
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