Merge and sum hash of hashes hash1 = { :employee1 => { :val1 => 20, :val2 => 10, :val3 => 50, :val4 => 30 }, :employee2 => { :val1 => 30, :val2 => 40, :val3 => 60, :val4 => 10 }, :employee3 => { :val1 => 70, :val2 => 60, :val3 => 10, :val4 => … Continue reading Random Ruby Bits
Author: Jonathan
Using the MySQL Command Line Interface
There are many graphical packages available to view MySQL data and perform database operations. You might not always have the ability to install a graphical package to work with the database so when you don't you can use the command line interface which is just as powerful and must faster! Command Line Interface You can … Continue reading Using the MySQL Command Line Interface
Installing MySQL on Ubuntu 16.04
Installing MySQL on Ubuntu is very straight forward using the command line package manager Apt. The following steps should be executed from the terminal. Installing MySQL First of all make sure the apt package manager is up to date by running the following command. sudo apt-get update This should just take a few moments and when … Continue reading Installing MySQL on Ubuntu 16.04
Useful Unix Commands for macOS or Linux
The following commands work on Unix based operating systems such as Linux and macOS and are executed in the terminal. Some of them will also work on the Windows command line but we're focusing on Unix based systems here. Command Description ls Lists the contents of the current directory ls -l Long list including additional … Continue reading Useful Unix Commands for macOS or Linux
Automate Starting Terminal Processes with a Script on macOS/OSX
In larger projects you may have 6 or seven processes running in different terminals. This can be such a pain to setup each time you boot up the system. I use a shell script containing AppleScript to open a new terminal window and then open a new tab and run a command in each. I … Continue reading Automate Starting Terminal Processes with a Script on macOS/OSX
Setup Rbenv, Ruby and Rails on Ubuntu 16.04
If you're still new to Ubuntu I've a post with some useful commands that'll help you navigate and use the terminal! Useful Unix Commands for macOS or Linux Update and install some dependencies apt-get is a package manager command line tool similar to Homebrew on macOS and is used to manage applications on Ubuntu. Lets update … Continue reading Setup Rbenv, Ruby and Rails on Ubuntu 16.04
Setting up a Virtual Machine using VirtualBox
Installing VirtualBox Its nice to have a safe environment to play around with something new, do some testing or work on a project keeping without causing conflicts with others. Using a Virtual Machine keeps everything separated from your host machine so it minimises any risk. A Virtual Machine is an emulation of a computer system, … Continue reading Setting up a Virtual Machine using VirtualBox
