Web Content Accessibility Guidelines (WCAG)
Although not always a top priority for developers / project managers it is good practice to create web applications, which are accessible for people with visual, auditory or physical limitations. This...
View ArticleAdventures with HTML5, Part 1
One of the hotter topics in Web-Development today is the rise of HTML 5. Like many others I’ve had only vague ideas, of what it is: Something with directly embedding videos with the tag without the...
View ArticleSimple time-formatting with PrettyTime
Did you ever tried to create human readable time output like “in 2 minutes” or “moments ago”? A nice library therefore is PrettyTime. The post Simple time-formatting with PrettyTime appeared first on...
View ArticlePerformance-Analyse mit Spring Insight
Performance-Probleme bei Webanwendungen lassen sich ohne Tool-Unterstützung in aller Regel nur schwer finden. Es stellt sich bei einer entsprechenden Analyse zunächst die Frage, ob die Probleme von der...
View Article“border-collapse:collapse;” vs. Google Chrome
table { border-collapse: collapse; } The “border-collapse” CSS property can be used to collapse the borders of tables/cells into a single border....
View ArticleWebsite Performance Measuring Tools
Here is a list of some freely available tools to measure a website performance on the client: Pagetest – IE Addon Speed Tracer – Chrome Extension YSlow – Firefox Addon Page Speed – Firefox Addon...
View ArticleAnwendungsfehler frühzeitig erkennen mit JSF Development Stages
Development Stages sind eines der mit JSF 2.0 eingeführten neuen Features. Das Konzept wurde von Ruby on Rails übernommen und ermöglicht es Anwendungsentwicklern der Laufzeitumgebung mitzuteilen an...
View ArticleJoshua Bloch is the new Dart core libraries architect
There are rumors, some answers and still a lot of open questions regarding GWT and Dart. Early in november Bruce Johnson announced a statement regarding both, their (maybe .. however) common future and...
View ArticleMock SMTP-Server für Unit-Tests
Die meisten Enterprise-Anwendungen müssen mittlerweile in der Lage sein, E-Mails an Benutzer zu versenden. So ist es beispielsweise beim sog. Double Opt-in-Verfahren notwendig, dass der Benutzer einen...
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Configure GWT deployment context within Eclipse IDE
Do you know this problem? When starting a GWT application within the dev-mode it will be deployed in the root context. But when building the project and deploying it, e.g., usually some context other...
View ArticleGWT 2.6 released with Java 7 support and improved debugging
After about 15 months, we finally get the new GWT 2.6 release. It can be downloaded from the GWT project page or code.google.com. Here are the propably most important changes in the new version: Java 7...
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Studie zur Auswahl von Java Web Frameworks – last call
OIO ruft auf zur Teilnahme an der OIO Kompass Studie Java Web Frameworks: “Wie und wozu haben Sie Ihr Java Web Framework ausgewählt? Zur Umfrage geht es hier. Ihre Vorteile bei einer Teilnahme Die...
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TCP and HTTP for web developers
When developing web applications, you can do some mistakes related to basic peculiarities of TCP and HTTP. The post explains some of the pain points and shows approaches to avoid such problems. TCP...
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SpringMVC vs. Vert.x
What is Vert.x? Vert.x is an event-driven, non-blocking reactive application framework running on the JVM. Vert.x is polyglot, which means that it supports many different programming languages....
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HTTP/2 – concepts and status quo for Java EE developers
The HTTP/2 specification was finished by the end of 2015 and is the first significant protocal update since HTTP1.1, which was released in 1997. HTTP/2’s main goals are shortened loading times and...
View ArticleKotlin für Java Web-Entwickler
Ende-zu-Ende Entwicklung ohne Technologiebruch, Übertragung von Objekten zwischen Backend und Browser-Anwendung, Ausgleich der Unterschiede zwischen Browsern, starke Typisierung, Nutzung des gleichen...
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