If you have multiple files and you want to remove duplicate values from, while creating a single file. File1 (one.txt): File2 (two.txt): As you can see, the two files contain some duplicates. You can easily remove these using the following Read more…
So you need to delete an AWS Internet Gateway, sounds good. You navigate to the VPC (Virtual Private Cloud) dashboard and go to Internet Gateways. At this stage you select “Actions” and choose the “Detach VPC” option. In a perfect Read more…
Distributed Applications come in a wide range of sizes, usages and resource availabilities. What is a Distributed Application? A perfect example of a Distributed Application is a multiple node database application such as Cassandra, HBase or ADD. These applications make Read more…
Artificial Intelligence, or simply AI these days, is when computers are able to perform tasks that humans would otherwise do. While this is incredibly exciting for many, it can be absolutely terrifying for others. Specifically those in roles that AI Read more…
Many of us take a look at git fetch and git pull and believe them to do the exact same thing! This is just not true. So what exactly is the difference and when should you use one over the Read more…
1. Create a website / blog There are numerous ways to make money when you create a website or blog. It’s really cheap and easy to do these days as well, with so many available options, some are even free. Read more…
Cyber-attacks do not always originate from outside of the target organisation. Veritably around twenty-five percent of all data breaches occur from the inside, from employees or trusted individuals within the organisation (TechBeacon, 2018). Employees that have access to internal records, Read more…
Squid is a proxy software that allows a computer without internet access to proxy through another computer that does have internet access. Squid is very easy to get setup and the computer that needs internet just needs to specify environment Read more…
Gems are little packaged Ruby applications that allow you to extend the ecosystem and reuse countless online sources. If you don’t have Root on your Mac (work at a large company?) but you still want to use a Gem or Read more…
The story Steve has a website which sells carpets in London. Steve’s carpet business has been doing really well and Peter has recently noticed just how well. Peter decides to get into the same business and decides to build a Read more…