Insights and perspectives to keep you updated.

Options in Rust

To be or not to be, that’s an Option! Many programming languages have the feature where they intend to depict a Null. Null as a value conveys that either it is currently invalid or currently unavailable. Such a state is important in a programming language. It’s a perfectly valid use case to convey the validity of a value. But still, the inventor of Null, Sir Continue Reading

Rust – References

In my previous blog, we discussed how Rust performs memory management. Interesting as it is, the concept of ownership does come up with a few obstacles when it comes to programming. For instance, if we use a variable as a parameter to another function, Rust doesn’t allow us to access the same variable in that scope anymore. For more details as to why that happens, Continue Reading

Understanding laws of scalability and the effects on a distributed system

A reactive system primarily focuses on responsiveness, elasticity, message-driven, and resiliency as its core features. Elasticity is one of the main components in the reactive manifesto. An elastic system has the ability to scale up or scale down when there is an increase/decrease in demand while remaining responsive. Scenarios where a system needs to improve the throughput or needs to handle more concurrent users, we Continue Reading

API Testing with Katalon Studio

Katalon Studio is a free and robust automation solution for API, Web, and mobile testing. It integrates all necessary components with built-in keywords and project templates into a complete automation framework. Katalon Studio is easy to use for beginners but also offers advanced capabilities for experienced users. In this blog, we’ll be discussing API testing with Katalon studio.

OpsInit: Adding a Github webhook in Jenkins Pipeline

Have you ever tried adding GitHub webhook in Jenkins?? In this blog, I will be demonstrating the easiest way to add a webhook in our pipeline. First, let’s see what is a webhook?? The concept of a WebHook is simple. A WebHook is an HTTP callback: an HTTP POST that occurs when something happens. GitHub webhooks in Jenkins is used to trigger our build whenever Continue Reading

Performance: C++ vs Rust

Reasons and facts behind Rust being more faster and safer than C++

OpsInit: Service Discovery In DCOS

DC/OS provides a number of tools out-of-the-box, ranging from basic network connectivity between containers to more advanced features, such as load balancing and service discovery. In this blog, we’ll check the mechanisms through which DC/OS provides networking in version 1.12. What is Service Discovery? Service discovery is how your applications and services find each other. Given the name of a service, service discovery tells you Continue Reading

OpsInit: Basic Understanding of DevOps – Part 1

In this blog, we will take a leap into the world of DevOps and learn some basic terms used in it. Let’s understand with the example.

OpsInit: Packer On AWS

What is Packer? Packer is an open source tool for creating identical machine images for multiple platforms from a single source configuration. Packer is lightweight, runs on every major operating system, and is highly performant, creating machine images for multiple platforms in parallel. Packer does not replace configuration management like chef or Puppet. In fact, when building images, Packer is able to use tools like Continue Reading

OpsInit: Configuring Crontab With Ansible

Introduction to crontab: The crontab is a list of commands that you want to run on a regular schedule. Crontab stands for “cron table”, because it uses the job scheduler cron to execute tasks; cron itself is named after “chronos, ” the Greek word for time.cron is the system process which will automatically perform tasks for you according to a set schedule. The schedule is Continue Reading

Is Apache Flink the future of Real-time Streaming?

In our last blog, we had a discussion about the latest version of Spark i.e 2.4 and the new features that it has come up with. While trying to come up with various approaches to improve our performance, we got the chance to explore one of the major contenders in the race, Apache Flink. Apache Flink is an open source platform which is a streaming Continue Reading

OpsInit: Introduction to Systemd

Introduction Let’s talk about init processes, What are they and how they work? Init stands for initialization which implies that it is the first process that runs when we start our system. This process is the father to all the processes. There are some disadvantages due to which it has been replaced by Systemd. These disadvantages are as follows: Starts tasks serially. It waits for one Continue Reading

Walkthrough Mocking in a NodeJS Application

Hi folks, in this blog we would be looking how to use the power of javascript moreover the javascript way of mocking for testcases, recently got chance to work on a project on NodeJS me being a JavaScript lover was very exciting for it, it was fun learning it and working on that but when it came for me to write test cases, so as Continue Reading

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