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 )

Java Swing Line Graph Primer Tutorial

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Sort of miss Java Applets, myself, as they were once “the thing” for some people writing code for the web. You got used to paint() and repaint() methods because you could imagine, word for word, codewise, what was happening. So … Continue reading →

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Xcode iOS Dynamic UIButton Primer Tutorial

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Today we come at an Xcode iOS Mobile App issue (ie. the “UIWebView ‘on its lonesome’ issue” … codename Uiol) from two sides: to show you how to add a dynamic UIButton at loading (if you want to know … … Continue reading →

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Xcode iOS Mobile Project Exporting Primer Tutorial

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The Xcode IDE, like many IDEs, holds that special fascination for the occasions when you, the user, (or youse, the users (chortle, chortle)) can go “File->New Project” as we showed, below, with the previous Xcode iOS Utility Application Primer Tutorial. … Continue reading →

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Java Swing ActionListener KeyListener Primer Tutorial

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Here is a tutorial that uses Swing functionality in Java to create a GUI (Graphical User Interface) desktop program on a Mac laptop (but same code may well work, compiled on a Windows laptop (the same way)) that tests your … Continue reading →

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Ajax Div Overlay Primer Tutorial

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Back to the recent overlay ideas (like PHP Iframe Overlay Primer Tutorial) we’ve been doing lately at this blog, we want to show you today, the melding of HTML/Javascript supervising Ajax PHP in a div HTML element. This is a … Continue reading →

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Ajax All Textboxes All Mandatory Form Primer Tutorial

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Was wondering, today, whether we’ve ever mentioned the very useful onblur event for the textbox input HTML tag, which fires after you leave a textbox, whether you have filled it in or not. It pans out we have, with the … Continue reading →

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HTML/Javascript Canvas Image Drag and Drop Tutorial

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The Canvas HTML element tag can be used as the container to draw graphics on the fly usually via the use of Javascript functions for rendering and event management. In today’s tutorial we show some image Drag and Drop functionality … Continue reading →

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HTML/Javascript Canvas Double Click Tutorial

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The Canvas HTML element tag can be used as the container to draw graphics on the fly usually via the use of Javascript functions for rendering and event management. In today’s tutorial we add to the functionality of the previous … Continue reading →

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