devops
I set up a Jenkins server on a brand new Centos 7 VPS. In the following the instructions for doing this in case you are looking at doing the same: Setting up Jenkins Server * Install OpenJDK Java sudo yum install java-1.8.0-openjdk * Add Jenkins Repo and install Jenkins sudo
git
WordPress is a powerful platform to just get a simple website up and running. Unfortunately, some things which are considered best practice in software development projects are a bit difficult to realize with WordPress. One of these things is versioning. Thankfully, there is a powerful plug in which enables versioning
aws
Problem You would like to resize a volume attached to an EC2 instance. Solution Do the following: * Create a snapshot of your volume (instructions) * Stop your instance * Go to EBS / Volumes and select Actions / Modify Volume * Enter the new size for your volume (note you can only ever make the
open-source
One of the most convinient ways to upload files from the Web Browser to the server is by using file inputs in HTML forms. Many web servers come with preconfigured modules for parsing this data on the server-side. However, sometimes, your HTTP server of choice might not offer such a
eclipse
A good Java application should print only the absolute necessary to standard out. Not to do so can mean a serious hit in performance and can make it difficult to debug issues. Unfortunately either we ourselves or our colleagues put System.out.println() statements in the code and then forget
gwt
Today I deep-dived a bit into how GWT creates and reads Serialization Policy files. These are the .gwt.rpc files which are generated beside the JavaScript files for GWT modules. Chiefly, I learned two things: * The .gwt.rpc files are only used by the server. The client never reads them.
javascript
The JVM is by design an insecure environment and it is generally difficult to run untrusted code in a sandboxed environment. However, it seems that is relatively easy to sandbox JavaScript code running in Oracle Nashorn. The instructions are here. Strangely, this was not easy to find through a Google
programming
It seems to me like every time I have to do something that has to do with SSL certificates – be they self-signed or signed by a certificate authority – things do not go smoothly. I only do this from time to time, so I am by no means an expert; but
programming
Overall The book Getting Started with Meteor.js JavaScript Framework by Isaac Strack provides a valuable resource to complement the online documentation for the Meteor.js framework. It features plenty of examples and integrates these into one comprehensive scenario; the implementation of a simple lending library. I would have loved
eclipse
If there are multiple dependent projects in an eclipse workspace, it can be tedious to run the unit test of all these projects manually. Often, a failed unit test caused by a change in a different project than where the unit test is located is only discovered with a significant