Tel Map

Current blog entries

2017-11-20 | JavaScript |

Aurelia – validation of dependent inputs

Form validation in Aurelia is actually pretty nice. You can configure the validation rules in a chainable api and add multiple rules to single fields. However there is a problem if you want to trigger the validation of an input when another… more

2017-11-18 | Linux |

Changing the Timezone in Debian 9 (Stretch)

Since the release of the newest Debian version 9 (Codename “Stretch”) in June 2017, most system administrators using this distribution will upgrade their systems eventually. One of the changes in the new version that first caught my eye, is that you can’t… more

2017-10-10 | ASP .NET |

ASP.NET Core 2.0 Disable Authentication in Development Environment

This article describes how to disable authentication for ASP.NET Core 2.0. ASP.NET Core JWT Authentication I have some Rest API which I want to protect via JwtBearer token in production e.g.

  However in order to test the API, for development I… more

2017-08-10 | Java |

JSF ViewState Hack Attempt: java.lang.StringIndexOutOfBoundsException: String index out of range: -1 – com.sun.faces.renderkit.ServerSideStateHelper.getState (ServerSideStateHelper.java:313)

Hack Attempt on JSF ViewState This article explains why the error java.lang.StringIndexOutOfBoundsException: String index out of range: -1 in the class ServerSideStateHelper in the method getState (313) might be someone trying to hack your application server. It is getting quite technical in here… but… more

2016-11-01 | Angular |

Angular2 Internationalization (i18n)

When you build frontend interfaces for the web, you often have to provide support for different languages, locales and timezones (generally called internationalization or short i18n in computer science). With Angular2 you can use the module “ng2-translate” to provide browser language detection… more

2016-08-01 | Java |

WildFly 10 with Apache and AJP

This article demonstrates how inbound request from a webserver (Apache) can be proxied to an application server (WildFly 10) using the Apache JServ Protocol (AJP). For more information on what AJP actually is, take a look at https://en.wikipedia.org/wiki/Apache_JServ_Protocol . WildFly 10 Configuration First you have to add… more

2016-07-21 | General |

illucIT Software on Maven Central

We have decided now to publish our free Software package on Maven Central under the namespace “com.illucit“. This way the packages can be used by everyone without having to declare a separate repository in Maven or SBT. This software packages also contain… more

2016-07-05 | Docker |

Running Docker Containers

In the article Introduction to Docker I talked about the general purpose of docker – providing a platform to run software in a controlled environment. In this article I will show how to create Docker containers from images, running Docker containers and… more

2016-06-28 | Angular |

Angular2 RC3 Router

Some days ago, the new Angular2 RC3 release candidate (and also some days earlies RC2) has been released. Again, some changes were made to the Angular2 structure that everyone needs to update in their Angular2 applications to become compatible to the new version…. more

2016-06-20 | Angular |

Angular2 with NPM and Webpack

This article demonstrates how to set up an Angular2 project with Webpack. The setup also supports Typescript, Less, CSS packages like Twitter Bootstrap and Fonts e.g. FontAwesome. It describes how to set up all the different plugins, loaders etc. I needed for… more

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