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
amazon-route-53
Problem You have create a CloudFront distribution with a custom domain name (such as yourdomain.com). Now if you try to link this distribution to your domain using Route 53, you get the following error message: `No AWS resource exists with the Alias Target that you specified.` Solution Try the
aws
Problem You are trying to create a CloudFront distribution using Amazon's API. You get the error: "One or more of your origins do not exist" Solution In my case, I provided a different value for these two properties: DistributionConfig.DefaultCacheBehavior.TargetOriginId and DistributionConfig.Origins.Items[0]
virtualbox
Problem You would like to share a folder between a VirtualBox Linux Guest and a Windows Host. Solution * Start your VM * Switch to Windowed Mode * Select Devices / Shared Folders / Shared Folder Settings ... * Create a New Folder on your Linux Guest. e.g.: * /home/[Your User]/WinDocuments * Add a new Shared
In order to test how an ObjectHub Micro App can be packaged as a PhoneGap application, I used PhoneGap Build to package up a simple application. Unfortunately, the application that I developed started off with a big, ugly black screen instead of a splash screen. It took me quite some
firebase
Firebase is build on the assumption that it will only be initialized once. This can be a problem in Node.JS applications sometimes, especially if they are run as part of an Amazon Lambda function. This can lead to errors as the following: Firebase App named '[DEFAULT]' already
It's always a good idea to test the speed of your Internet connection after getting a new router of Internet provider. However, my Internet connection sometimes becomes mysteriously slow. In that case, it is great to verify that is a problem with the Internet connection or maybe with
aws
A quick Google search reveals that there are quite a few different approaches for automatically creating snapshots for EC2 images (such as here, here and here). All of these are rather difficult to do. Thankfully, after some more searching around I found a great way to schedule regular snapshots using
mysql
Today I discovered that one of my servers mysteriously ran out of disk space. I ran the following Linux command to find all the biggest files and folders on the server: sudo du -a / | sort -n -r | head -n 100 ... and found that it was the binary logs used for
maven
Maven creates and checks MD5 checksums at various times. For instance, when downloading an artifact from a repository, Maven checks whether the checksum of the downloaded files (e.g. POM, JAR) is correct. I am uploading Maven artifacts manually to a very simple, file-based repository. This requires me to calculate
aws
Today I came across the following exception while working with the AWS SDK for Amazon Lambda: com.amazonaws.AmazonServiceException: Cross-account pass role is not allowed. (Service: AWSLambda; Status Code: 403; Error Code: AccessDeniedException; Request ID: xxx) At first I was a bit puzzled where this exception might come from; but
aws
According to a recent article on the New Stack Blog, the Amazon Serverless Team (responsible for instance for Amazon Lambda) is about to release a new open source product called 'Floruish'. Currently, there are very few details available on this product. These are some points I could find:
