Insights

The most urgent actions were required in the “Funds” section, where users began to keep significant transaction history logs, multiple different assets, and various currencies. The “Funds” section gives the possibility of making withdrawals, deposits, and transactions between investors. In short, this is one of the most often used sections of the entire application. What did we want to improve & what were the effects?

Read the guide on how to manage complex IT premises and still be open for innovation, use of new technologies, and don’t suffer from the maintenance burden.

Have you ever wondered how it happens that search results are delivered to a user so quickly? Even when there is a big dataset behind the search engine API, searched items are usually delivered in milliseconds. How so?

Do you sometimes wonder: where did I put it? Or when trying to remember something, do you have this thought: where did I see this? This is our life in the 21st century. Everything we know comes from the internet: what is the weather like – check online, what was the result of yesterday’s football game – check online, where to buy pink trousers – buy online. The internet is an information highway with almost no limits. How does this relate to your business?

Is it possible to programmatically generate PDF file using web technologies? You are right, it is. What’s more – it’s probably much easier than you thought.

We have killed our PostgreSQL on AWS by accident! Learn what we have learned from case study in a post by our CTO, Krzysztof Szromek.

How do you like maintaining lots of bash scripts defined in `crontab`. If you worked in a team responsible for a data flow you know what I mean. If it starts with one script it is OK. But if your crontab grows and grows it is no more fun. Or maybe you are running your BI processes which are doing well in your current warehouse but you encounter problems with the optimization and there are not enough resources to scale your workers up?

Every now and then you will need to keep a track of user activities in the system. This can be approached in several possible ways – one possible solution is to store them as an activity log in the database. This alone can create some challenges and may require you to use less common SQL statements in the Ruby on Rails apps like LEFT JOIN, hence I’ve decided to shed some light on it.

Databricks is a unified data analytics platform for massive-scale data engineering and collaborative data science. It is a powerful tool to serve so many purposes. How difficult it is to use? Fairly easy! How to upload data into it?

CQRS is not as popular as it seems, especially in real-world applications. Learn how to maintain an application with frequently changing business using a pattern that is easy to understand and implement.

Protecting against malicious file uploads is a must these days as most applications store and process data files in one way or another. Building a self-driven, automated and accurate pipeline for eliminating those threats is not a simple task

After our visit to AWS Summit London, we knew that embracing DevOps culture is important for becoming a first-class citizen of the cloud. To learn more about it, we went to DevOpsDays Warsaw.

Is my website secure? You bet it is! I’m using HTTPS… Hang on, there’s more?

This post is to help Ruby users understand ideas behind React and Redux.

Every month we try to spend some time after work on talking, integrating and sharing our knowledge and experiences in coding (and more as you will read later).

There’s a handful number of front-end frameworks on the market to choose from. So which one should you give a go?

We get asked regularly what services we prefer to use for certain tasks or problems, so we’ve created this list of products that helps us at Exlabs deliver better products.

Interesting and useful answers to the question will help you make informed decisions, not just push a certain view.