Suppose you run a website with a huge amount of user generated content (especially images). Ideally you would store the original images uploaded by your users. Nowadays pictures taken with modern smartphones often take up to 10 MiB. Delivering such big images in e.g. a list view is not an option. You will have to generate thumbnails for your images. This blog post gives an you an overview about some of the solutions you can use (server software, cloud solutions and also client software). [Read more...]

(This article has only been published in German.) Netcup hat gestern die 9. Generation ihrer Virtual Private Server (VPS) vorgestellt. Auf www.hostinggutscheine.de gibt es Gutscheine mit denen ihr euch die erste Monatsgebür sparen könnt. Beim kleinsten VPS (VPS 1000 G9 12M) sind das 6€, beim größten VPS (VPS 8000 G9) sind es 40€. [Read more...]

By default the Nexus 3 software repository does not remove any artifacts from it’s storage backend. You have two options to get rid of artifacts which are not needed any more. First you can configure “cleanup policies”. Another approach is that you might want to set up a task which executes a custom Groovy script which deals with the removal of old artifacts. [Read more...]

I just wrote a little tool which can be used to calculate checksums generated by Flyway for schema migration files. [Read more...]

I am currently working on a React web application which makes heavy use of the fetch API and promises. Yesterday I reasoned about if it might lead to problems if you do not cancel a promise which is not of any use any more. [Read more...]

Sometimes only certain IP addresses are allowed to access an HTTP API endpoint. While developing an application which has to use this API you might want to access the secured API from your developer workstation, though the IP of your workstation is not allowed to access the API (only a server under your control is). [Read more...]

For troubleshooting purposes it’s useful to embed a unique version info into each artifact you build. The following approach has proven to be very robust when developing e.g. Go programs. [Read more...]

I am currently developing an isomorphic web application. You can see it in action e.g. https://erleben.enns.at/. A few days ago it took me some time to figure out how to be able to use the fetch API both on the client and the server. [Read more...]

Auf www.hostinggutscheine.de findet Ihr ab sofort einen Generator für Netcup Gutscheine beziehungsweise Coupons. [Read more...]

For one of my current projects (snooop.net) we use Jest for unit and integration testing. This project is a TypeScript multi-module project using project references. [Read more...]