In C, a union is a data structure that allows different types of data to be stored in the same memory area. …

Unveiling the Inner Workings of a Phishing Attempt — Recently, I was targeted by a phishing email and decided to delve deeper into the scam to understand its mechanics better. Here’s what I discovered and what I have done to stop this scam. Scene 1: The Phishing Email In today’s digital age, online security has become a paramount concern. Cybercriminals are constantly finding new…

This is a list of resources I came across while learning to program in C. The list is constantly expanding, so bookmark this page for future reference. Books & tutorials “Learn C the Hard Way” — Zed A. Shaw https://learncodethehardway.org/c/ “If you are kind of person that learns by experimentation and figuring things out, and you appreciate the way he teaches the…

With the help of technology and science — Residents of my city (Iława, Poland) increasingly report that there is a growing problem of rubbish that ends up next to an overflowing bucket in the city or is thrown into the neighbourhood bins. During the tourist season, street bins overflow, despite daily emptying by municipal services. …

Interactive spreadsheets help free up your time — If you are like me and run your own practice (business, freelancing, publishing, whatever you want to call it), you probably use some form of a spreadsheet. …

Banners for All Your Markets — Depending on your industry, the language of communication with potential clients can be more or less important. Every content must be in the language with which your users feel most comfortable. Translating your banner advertisement into other languages can really impact the effectiveness of your marketing creatives. In my experience…

Create a Dashboard for Free with Google Sheets and C3.js — online visualization of spreadsheet data. — We often have some business data that we need to track. We collect, process and store it in spreadsheets to then create charts and diagrams. However, sometimes there is a need to go out to a non-technical audience. …

Google Sheets as database, Apps Script as backend — Sometimes we have some data stored in a spreadsheet that we would like to make available to other applications, such as dashboards that visualise it. Of course, the growing number of applications and functionalities most often leads to a transition to the use of a real database. But sometimes, we…

Email is an important channel for communicating with your audience. There are plenty of email marketing platforms on the market. Most platforms offer some free tier (usually 2000 recipients per month), but the majority adds their logos to every email you send. Costs with an increasing number of users can…