What Does Squiggly Line Mean?

Let’s discuss that little squiggly line.  It’s the sign above the backquote (~), and it indicates approximation. Maybe you use it in your online work, or you’ve seen it in a newspaper (maybe when polling public opinion about something). Or maybe you’ve never encountered it. It’s called an “aspirational” or “tilde” notation, and in computer … Read more

How to Open VOC Files

What is a VOC File? VOC is an audio file format created by Creative Technology in the 1990s used by the Sound Blaster sound cards. You know that it’s a VOC file because it has the .voc file extension. VOC files can contain audio clips, sound effects, and music files that are compressed to reduce … Read more

How to Make Address Labels Using the Avery Templates

There are different approaches to making address labels. If the address labels are all to the same address, I recommend that you use the Avery template. Windows If you are using a Windows operating system, an Avery template is available for Microsoft Word. It is available from the Avery website. The Avery Template 5260 is … Read more

Google Wi-Fi Review

Google Wifi Review

Unlike the traditional method of having one router that supports Wifi for your entire home, Google Wi-Fi uses a mesh Wi-Fi system. The mesh network creates coverage that extends far behind what one router is capable of supporting. It can be used to support your office, living room, garage, basement, and other rooms. Multiple Google … Read more

How to Secure Your Passwords – The Ultimate Guide

How many passwords do you know? How many passwords do you remember in your head? What do you use to store them with? Where do you store them? How do you keep them secure? There are many things to consider when you are dealing with passwords. With online compromises on the rise, you should seriously … Read more

Best gear for online meetings while working from home

The world is a different place in a coronavirus (COVID-19) pandemic. Many businesses are allowing their employees to work from home. People working from home are adjusting to this new environment which is a new territory for everyone living in the 21st century. Sure there have been pandemics in the past where people were told … Read more

What is an inode?

If you come from the Windows world, you may not be familiar with the concept of inode. This is not something you are exposed to until you journey into the Unix world. Even if you use Unix, you may or may not encounter an inode. It depends on how much you care about the systems … Read more

How to backup your LastPass Password?

Although your passwords are backed up by LastPass, it’s always a good idea to have a backup copy, just in case. The problem with cloud solutions you may use is that they are dependent on the service provider backing up your data. What if something happens to your data? In the case of passwords, it’s … Read more

Automation with Bash Scripts

Are you able to automate with Bash scripts? Definitely! Is this something you want to do all the time? Of course not! It depends on the situation. What is it that you are automating? If you are a System Administrator, SRE or a frequent user of Linux, Bash scripts come in handy. There are things … Read more

Understanding Big O Notation

Looking from the outside, Big O is very scary. Why? O is not an abbreviation for a word, it’s a concept. It’s a concept used in mathematics. It’s a concept in computer science when we want to talk about algorithms. What is algorithms? Yeah, that is another scary concept on its own but we’re here … Read more

How do you iterate over a dictionary in Python?

Suppose you have a piggy bank containing a lot of coins and you want to count them. You store your coins in a dictionary. Once you finish adding them in the dictionary, you want to know how much you have of each denomination. How do you do it? To see this example in real life … Read more

How to check if a Python list is empty?

Suppose you are writing a Python program and you want to check if a list is empty. How would you do it? This should be something that is very straightforward right? Or is it? The example could be a list of fruits that you are keeping track of. The list can be something like the … Read more

How do check if a directory exists in a Bash shell script?

If you write scripts in a Bash shell, you will eventually come across a need to check the existence of a directory. You may want to know if the directory exists before you start writing a file to it. You may want to know if a directory exists before automating some process that reads from … Read more

What is the best laser printer for home use?

You may be asking yourself…why do I need a laser printer? It’s going to be very expensive. I usually buy an inkjet printer. I see laser printers at the office. They are big and bulky. I just need something to print occasionally. It’s not like I’m going to be printing everyday. Sure, they are all … Read more

How to Generate a Random Number in Bash

There are a number of reasons why you may want to generate a random number in a Bash shell. We are referring to a Bash shell rather than using a programming language such as C++, Java or Python. Maybe you want to pull a random line from a file. Maybe you want to generate a … Read more