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Blog Tech

Migrate ElastiCache to Redis Cloud (Enterprise) [Without Downtime]

I have done this many times. Now it’s your turn. This article is a step-by-step guide showing you exactly how to migrate an ElastiCache Redis instance to Redis Cloud Enterprise (without downtime). Often I see developers & tech leads struggling with the migration out of ElastiCache. (And it’s not easy because there is a lot […]

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Blog Marketing

Travel For Free: This is How You Pay $0 for Your Next Holiday Accommodation

I paid $0 for my last holiday accommodation. (In words — ZERO dollars.) And the holiday before… Even the one before that… And so on over the last 2 and a half years… I literally have no accommodation costs — FREE stay. (And it’s not a budget travel such as CouchSurfing or any other apartment-sharing […]

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Blog Tech

How To Quickly Resolve HotKeys and BigKeys Issues in Redis (Cloud, On-prem, OSS)

Redis is an excellent database for apps that require a sub-millisecond response. Even though the database is very performant, there are a few gotchas… As your dataset grows, you can face issues that take much time to resolve (especially if you don’t know where to look). One such example is the HotKeys and BigKeys issues. […]

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Blog Marketing

Create a blog with Bluehost in under 15 minutes (steps)

–> This post is a part of my Ultimate Guide that teaches you how to make money by blogging. Click here to read the full post, or click here to subscribe and have the guide delivered via email. The web hosting I personally use is Bluehost. Over the years, I created hundreds of WordPress websites […]

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Blog Marketing

How To Start A WordPress Blog That Makes Money Even When You Sleep [2024]

You will love this. Since 2009, I have been making money online. Here is my step-by-step guide to a money-making blog. In 6 simple steps, you can have a “goldmine” that works for you day & night (24/7). This is a tested method that has proven its value hundreds of times… Find out the best […]

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Blog Tech

Java NullPointerException (NPE)? Quick FIX [Do this first!]

Here is the deal. This is the last time you will see the NullPointerException error. I promise… Sounds good? Let me tell you a secret that most other engineers have no clue about — a superpower to combat this error (and other errors as well). You are a programmer and always after exact, to-the-point (no […]

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Blog Tech

How to resolve IndexError: list index out of range in Python [once and for all!]

There is an easy fix, and it is no joke. If you have ever encountered the IndexError message, you know the frustration of not knowing what code line is to BLAME. Especially if the code is a bit longer and contains loops… Right down the rabbit hole (…and Your lunch break is already over)… Sounds […]

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Blog Tech

Database connection management: How to make your app 2 times faster?

One in three applications/websites is suffering from poor database connection management. The result is frequent downtime and a slow application. This combined can cost millions of dollars in lost revenue per year. I have worked as an engineer for at least 15 different web applications of large enterprises. While being a technical consultant at my […]

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Blog Personal Stories Tech

Programmer salary abroad: Should you relocate in 2024 to earn more?

More than 180 million people live and work abroad globally. This is more than half of the population of the United States in 2024. For some immigrants, the relocation paid off and proved a great idea, while others felt like a fish out of water. Here you will learn all the important points of work-related […]

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Blog Tech

DNS in computer networks for mortals [Explained]

DNS in computer networks sections It is no secret that DNS is one of the most complex topics in engineering. As in all blog posts I wrote, let’s understand the purpose behind DNS in computer networks. DNS stands for Domain Name System. In everyday language, you will hear people referring to domain names. DNS is […]