Paweł Bulwan

I’ll start with a disclaimer that the companies I’ve been working with lately are doing a fantastic job in solving real-world problems. My reflections here are not meant to undermine the value of projects I was part of. Instead, I wanted to explore the feeling that to do something really meaningful, perhaps I would need … Read more

Cosmos DB can be configured with a Geo-Redundancy feature enabled. In such situation, it is supposed to replicate data to multiple regions. We should also be able to read from all of those regions. In the Azure Portal, this feature comes with a nice visualization in a form of a map: Looking at the above … Read more

What is Query Acceleration Query acceleration is a feature in Azure Blob Storage that can be handy if you use Data Lake (or general Blob Storage) to keep your data. The feature allows server-side filtering of data, assuming it’s in one of the supported formats, like JSON or CSV. It can result in limiting the … Read more

A few weeks ago, we started using SonarCloud in some of our .NET projects. We wanted to evaluate if this continuous code quality tool is something that would help us in our daily work, or rather annoy developers with loads of minor issues and false alarms. We already have ReSharper licenses, so using another tool … Read more

New releases of .NET often come with features that I really like to use in my daily developer work. Therefore, I like to keep projects I work on at the most recent stable version of .NET. Soon we’ll officially have stable versions .NET 6, released along with C# 10 and Visual Studio 2022. I like … Read more

Our function should have been triggered by timer, but wasn’t… We recently encountered a problem in Azure Function App service. We have created a Function that should be triggered on schedule, once every day. It’s a typical case for use of a [TimerTrigger]. For example, [TimerTrigger(“0 0 8 * * *”)] should start the function … Read more

In large Data Lake Stores, operations on ACL entries are slow I recently wanted to simplify permissions in a Data Lake Storage file system. For folders and files in Data Lake Storage, we define permissions using Access Control Lists. Microsoft generally recommends that we should assign permissions to security groups, and not for individual users … Read more

TL/DR: If this is possible, it’s hard. I was unable to achieve the goal in reasonable time. When we work with Azure Data Lake Storage Gen2 (ADLS), it feels pretty much like working with any other kind of file system, it’s just online. We have directories and files. We can organize them into a hierarchy … Read more

Update: the code example in this article uses an API that is now deprecated. It will only be useful if you are stuck using old NuGet library to query Application Insights. For new code, you should use https://www.nuget.org/packages/Azure.Monitor.Query/ instead. This article does not provide code example on how to use that newer API. Application Insights … Read more

NordVPN blocks access to PiHole device when connected I consider the following privacy tools useful, but for a long time, I didn’t see a way to make them work together at the same time: PiHole is a DNS-based ad-blocking and malware-blocking software with a friendly web UI.Typically, it’s installed on a Raspberry Pi device, and … Read more