Category Archives: Event-Driven Programming

Event-driven programming (EDP) or event-based programming is a programming paradigm in which the flow of the program is determined by events ( Wikipedia )

Flowchart and Venn Diagram Mobile Tutorial

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It was mainly mobile device usage of the web application of the recent Flowchart and Venn Diagram Loose Text Tutorial that led us to another phase of “revisiting” this web application. We found with … the menu buttons were sometimes … Continue reading →

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Webcam Canvas Transform Tutorial

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The HTML(5) canvas elements that underpin the webcam ideas of Webcam Mobile Deprecation Revisit Tutorial‘s web application got us to thinking about … getImageData … and … putImageData … respectively the “readers” and “writers” of pixel data out of and … Continue reading →

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Flowchart and Venn Diagram Loose Text Tutorial

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In constructing yesterday’s Ajax Auto-completion Refinement Tutorial‘s flowchart tutorial picture via Flowchart and Venn Diagram Glow Tutorial‘s Flowchart and Venn Diagram web application, we found it had shortfalls performing the “Yes” and “No” (what we call loose) text annotations that … Continue reading →

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Ajax Auto-completion Refinement Tutorial

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In this revisit of the web application of Ajax Auto-completion Geo to Map Bug Tutorial the decisions made when we presented Ajax Auto-completion Internationalization Capitals Tutorial, as shown below, “came back to biteannoy us”. How, pray tell? Well, you will … Continue reading →

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Ajax Auto-completion Geo to Map Bug Tutorial

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On revisiting the web application of Ajax Auto-completion Internationalization Stay Tutorial we noticed that … when Ajax Auto-completing a “Country” name … along the way you reach a … Google Charts Geo Chart offering a “Map” link to … Google … Continue reading →

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Javascript Convex Polygon Analyze Arguments Tutorial

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The recent Javascript Convex Polygon Analyze Tutorial lacked some straightforward means by which the user could control (via ? and & address bar URL argument manipulations) … newly instigated “glow” CSS as per … var dglowc=”; if (document.URL.indexOf(‘glow=’) != -1) … Continue reading →

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Javascript Convex Polygon Analyze Tutorial

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We progress on our latest web application from the progress up to Javascript Rotated Rectangle Analyze Tutorial by allowing for … unrotated triangle unrotated convex 5 sided polygon unrotated convex 6 sided polygon unrotated convex 7 sided polygon unrotated convex … Continue reading →

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Javascript Rotated Rectangle Analyze Tutorial

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The Javascript logic of the recent Javascript Rectangle Analyze Follow Up Tutorial needed no trigonometrical mathematics, but the simple progression from … HTML div rectangle data … to … randomly rotated HTML div rectangle data … via CSS style=”transform:rotate(30deg);transform-origin:left top;” … Continue reading →

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