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Andrew Fletcher
In Vim, following is an outline of the vi(m) functions you can utilise whilst in command mode - yes they are case sensitive action outcome a change to insert mode (after cursor) A change to insert mode (at end of line) dd delete one line G go to end of the file 1G go to top of the file i change to insert mode (before cursor) J merge next line with this one p paste deleted or yanked text after cursor P paste deleted or yanked text before cursor r replace one...
Andrew Fletcher
A summary of Node package commands Short cut commands npm install...
Andrew Fletcher
Updating NPM packages using npm update and I'm seeing the following response npm...
Andrew Fletcher
Currently I'm working through an app that has been abandoned by the developers....
Andrew Fletcher
If you are using theme_get_settings, such as: $value =...
Andrew Fletcher
I’m recently doing an IoT project. I wanted to investigate the network layer, and to do so I use Wireshark to capture the network traffic between my iOS apps and IoT hardware. Let’s see how to start packet sniffing using Wireshark!   Install Wireshark Wireshark is free and open-source. You can download Wireshark from its official website https://www.wireshark.org/. Once installed, open Wireshark and run the following command to check the existing interfaces: ifconfig...
Andrew Fletcher
Regular expressions (regex) are extremely useful in extracting information from...
Andrew Fletcher
Whilst updating nodejs and npm on a Centos 6 or 7 server running Apache, I...
Andrew Fletcher
The purple warning notification of annoyance recently came my way!  I...
Andrew Fletcher
Recently I had an error with a domain smtp server not recognising port 587....