Free VPN Using Microsoft Azure cloud services There are many commercial VPN providers out there. But when it comes to privacy you are allowed to be extra suspicious. That is why creating your own VPN server on your own virtual-machine maybe the way to go. Another reason why you may…

a more up-to-date guide on installing the famous SDN controller Why Floodlight?! There are many SDN controllers out there, but some of the reasons why you will want to use Floodlight is that it is open-source and it also has nice startup tutorials. Why not follow the official guide?! I tried following it and I found that it…

Clean up nested if-statements with ease. Cyclomatic complexity is defined as the number of linearly independent paths through the code, so you are increasing the complexity of your code every time you add an if-statement! In this post, I show you a simple example of improving code by abstracting nested…

learn Java with the University of Helsinki Are you Trying to Learn Programming? Are you a complete beginner? or maybe you are not a beginner but you are trying to learn Java, this course is for you. The University of Helsinki has published an interactive online course that teach Object-Oriented-Programming using Java, I personally took this…

Avoid repeating your code Have you ever needed to compare the performance of two methods? the easiest way is to log the execution time of each method, you probably end up with something like this: but if you wanted to compare more than two methods the process gets ugly…

Using a simple Python script. Social media giants such as Reddit and Twitter have been using NSFW content to promote their platforms, this turned these platforms into porn sites, which is sad since they have so much better content which is now being overshadowed by stupid porn, I didn’t ask…

I recently bought a laptop from Acer, specifically the Nitro 5 model, I like the machine but one thing I didn’t like was the keyboard, unlike most backlit keyboards, this one does not light up when you use the mouse or touchpad, which makes for a bad user experience. In…

an open-source alternative to SIFT I wanted an app that takes two images and detects the position of the first image in the second, I also didn’t want to use Artificial intelligence. What I need to do can be summed up in three steps: 1. find good keypoints (or features) on…

Using Ping with a P2P network. — In the last example we created a simple LAN network, now we will create something a little more convoluted. The Topology: I will build my application on NS3 tutorial number three, but instead of using Echo I will use Ping, We will make two networks and connect them together using a P2P…