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A quick overview of cardinality, percentiles, frequency, sampling, and membership sketches, with their use cases and trade-offs.

Learn HLL, KLL and Frequent Items sketches in Scala with Apache DataSketches, and inspect stored sketches with SketchProbe.

Secure local environments from AI coding agents by sandboxing. How to isolate Claude using nono, Nix, or Docker to block unsafe commands.

This blog is a part of the ***Data Plumber Series.***

This blog is a part of the ***Data Plumber Series******.***

This blog is a part of the Data Plumber Series.

CSV is one of the most common formats for exchanging and importing data between different systems.

Recently, at work, there was a requirement to list out the direct dependencies of the our SBT project, something like Bill Of Materials.

Discover how to easily create small Java projects without the need for Maven or other complex build systems.

Make your tests more readable and maintainable using Table Driven testing in Scalatest

How to leverage Scala-CLI, Scala Toolkit, and Scastie to kickstart your journey into the exciting Scala world.

Empowering Your Testing Strategy: A Close Look at ZIO Test Aspects for Effortless and Effective Handling of Cross-Cutting Concerns

How to tag tests, retry flaky tests, runners, compile check etc in ScalaTest framework

Overcome the complexities of SBT with this guide to advanced features for newbies. Streamline the build process and maximize SBT's capabilities.

Various ways to perform error handling in Cats Effect 3

This article introduces popular and useful tools for Scala application development, such as GitHub Actions, Scalafmt, Mergfy, Scala Steward, etc.

Compare instances of scala case classes and identify differences with ease.

ULID - Sortable Unique Identifier that is better than UUID in many cases. ULID vs UUID

Non flaky integration testing with testcontainers-scala

New changes introduced in Scala 3 for Tuples

Implementing compile time validation in Scala 3 using inline modifier

How does scala.util.Try differ from try-catch, and where scala Try don't work as expected!

Controlling evaluations in Cats using Eval

Learn how to create a customized retry policy with error handling using the Cats-Retry library. Discover the various methods like retryingOnSomeErrors and retryingOnFailures, that enable users to...

Different usages of self types in Scala

Let's see how this is not good in certain scenarios. Assume that we have a simple use-case of transfer of money between two bank accounts. The user input model looks like below and have some...

This is the 8th part of the Cats Effect 3 blog series. In this part, let's discuss about the other common operators/methods available in Cats Effect which were not discussed in the previous parts.

We can mainly use 2 different ways to create a Ref:

This is the sixth part of Cats Effect series. In the part 4 of this series, we looked at concurrent programming in Cats Effect 3 using Fibers. In this part, we'll look at cancellation of already...

For example, if we are opening a file to read and forgets to close it when done, this will lead to memory leaks and eventual crash of the application. So, it is very important that these resources...

Parallelism is a way by which multiple computations run at the exact same time. This generally utilises multiple processor cores to execute each computation. The methods parSequence, parTraverse...

In this part, let's look at different ways to combine and traverse multiple IOs.

Get a taste of Scala for the beginners

We can also use flatten to avoid nested IOs:

Scala Cats Effect tutorial

Native application using Scala Native

TASTy format captures more detailed informations regarding types and other advanced features in Scala 3. The Scala compiler converts the Scala files into TASTy format(.tasty). This .tasty file is...

closure in scala

Giter8 can be used in two different ways.

mongo.dbName = "mongoDB" mongo.username = "mongoUser"

We can create the required case classes to hold the configurations. Pureconfig can then load the config from the files to these config classes. Pureconfig can handle HOCON, JSON and Properties...

Programming languages utilize the concept of Tagged Type to enhance type safety and mitigate common errors. While not a standard library feature, Scalaz, Shapeless, and Scala-Common offer their...

Duck Typing or Structural Typing in Scala

Different ways to create scala app packaging using scala-cli, sbt-assmbly and sbt-native-packager

Learn how to use Json4s, a widely-used JSON parsing library in Scala that can work with various existing json libraries including Jackson and Play-Json. Discover how to optimize Json4s with...