Systems | Development | Analytics | API | Testing

“Object Reference Not Set to an instance of an object.” Cast the first stone for those who never struggled with this error message as a beginner C# / .NET programmer. This infamous and dreaded error message happens when you get a NullReferenceException. This exception throws when you attempt to access a member. For instance, a method or a property on a variable that currently holds a null reference. But what does null reference exactly mean? What exactly are references?

From tying your data to core business KPIs to validating the quality of your statistical analysis, here is how to create compelling reports.

Financial professionals encounter periods of high activity throughout the year. Whether you serve as a CFO, specialize in taxation, or contribute to the team responsible for closing financial records and generating year-end reports, any time can become crunch time. These intervals demand long hours at the office (or working evenings from your home office) as you diligently tackle the extensive list of tasks that require immediate attention.

ELK has become one of the most popular log analytics solutions for software-driven businesses, with thousands of organizations relying on ELK for log analysis and management in 2021. In this ultimate guide to using ELK for log management and analytics, we’re providing insights and information that will help you know what to expect when deploying, configuring, and operating an ELK stack for your organization. Keep reading to discover answers to the following.

From using purposeful design principles to adding white space, 57 data analysts share the elements of a great visual report.

Is Windows your favorite development environment? Do you want to run Apache Kafka® on Windows? Thanks to the Windows Subsystem for Linux 2 (WSL 2), now you can, and with fewer tears than in the past. Windows still isn’t the recommended platform for running Kafka with production workloads, but for trying out Kafka, it works just fine. Let’s take a look at how it’s done.

Product analytics traditionally hinged on examining user interactions to extract actionable insights. The integration of machine learning (ML) has elevated this process, enriching our understanding and our ability to predict future trends. Let's unfold how ML integrates into product analytics and the transformative advantages it introduces. ‍

I think most C# developers would agree that LINQ is an integral part of the experience of writing code with the language. LINQ provides a fluent, intuitive, and consistent way to query data sets. In this post, we’ll help in your LINQ-mastering quest by covering the LINQ join operator. We’ll start the post with a definition of LINQ itself, so we’re all on the same page. After that, you’ll see an explanation of join operations in LINQ.

Is Jest or Mocha better for unit testing? The short answer is "it depends." For the longer answer, keep reading.

Category Visionaries is a podcast where founders and CEOs share their stories from the front line of business. It specializes in discussions with leaders who are disrupting and reimagining the business model of their industry. Our CEO Matthew O’Riordan recently sat down with the podcast’s host, Brett Stapper, to discuss his journey since founding Ably, the reasons he did so, and the decisions he’s made along the way. Here’s the full discussion.