Tag Archives: Javascript

[Off-topic] Creating a QR code client-side

When we’re developing a website it’s sometimes useful to provide a mechanism to make easier for users to come back to the site later on. Traditionally this was very easy to implement for classic web browsers.  However the amount of mobile devices that nowadays are surfing the Internet is huge and this is nothing but the begining. [...]

Runniac is almost ready to go!

In recent posts I wrote about a project I’m working on which consists on a search engine to find running events. I would say that it’s now in some kind of preproduction stage. For that reason I have been really busy these days trying to fix bugs and issues and trying to polish the whole [...]

Drawing markers with AngularJS and openlayers

As you probably read some days ago I’m developing a website with some mapping features in it. To do so I’m using a great AngularJS directive created by tombatossals and accesible on this link: https://github.com/tombatossals/angular-openlayers-directive I need now to show a map with some markers representing running races. This is pretty simple using the directive. [...]

Exporting a map with AngularJS and openlayers

In the previous post  I talked about how to create a map with AngularJS and openlayers. You see the directive created by  tombatossals and accesible on this link: https://github.com/tombatossals/angular-openlayers-directive This directive provides a handful of very useful features. However in this post we will see how to download a layer rendered on the map. Which [...]

[Off topic] Nuevo curso de certificado de profesionalidad – Desarrollo con tecnologías web

A partir del próximo mes de Abril en horario de tardes estaré impartiendo varios módulos del Certificado de Profesionalidad de Nivel 3 de Desarrollo de Aplicaciones con Tecnologías Web (IFC0210) El curso ofrece una visión completa de las destrezas necesarias para desarrollarse en el campo profesional de la programación haciendo especial hincapié en tecnologías del [...]

Using Web Workers to consume Lastfm API

Web workers are a technology which allows us to delegate tasks in background using client-side programming. Until now with pure Javascript it was not possible to start or run multiple tasks at the same time. Web workers provide an easy way to split tasks in different contexts. How this works is rather simple. From your [...]

An overview to Knockout

When developing an application, traditionally we were used to mix HTML code with Javascript (jQuery) to render the data coming from an Ajax call. However the result of doing this is a bunch of code which is not very readable and maintainable. To try to overcome this situation several frameworks have come up. They’re the [...]

Free Javascript editors

Of course that there’re hundreds of tools for developing and testing Javascript code, but when I was checking  the overall contents for the subject Web Development I currently teach, I came across some references to some helpful tools for that purpose. I especially like the last one: JDBS. Although I have to say I’m doing [...]