Key takeaways Attention is the whole mechanism. To choose each word, the model weighs every earlier word and decides how much each one matters. The cost grows with the square of the length. Double the prompt and the work roughly quadruples, which is why long context is priced steeply and why a ...

Your regression suite takes three hours to run. It passes all the test cases, you sign off on the feature, and you happily leave the office. Then at 2 AM your phone buzzes, a Slack message from your manager: a bug shipped anyway and broke production. If that sounds familiar, the suite is not the ...

Covers what Claude Code is, how it works, and how to use it well. From the basics to multi-agent orchestration. Key Takeaways Claude Code is not an autocomplete. It's an agent; it reads your codebase, runs commands, and completes tasks end-to-end without you having to direct each step. The mental ...

The AI-native SDLC is a software delivery model where AI participates as a teammate at every stage of the lifecycle, requirements, design, implementation, review, testing, deployment, and production monitoring, not just inside the IDE. TL;DR The AI-native SDLC is a software delivery model where AI ...

Introduction We programmers often think that programming is a solitary job. But it is more of a social job. Developers are more productive when they are inspired and collaborate with their teams. This entails providing developers with tools and resources that will enable them to cooperate more ...

The feature under development is a complex video editing operation involving significant logical and computational challenges, as well as a high number of potential usage patterns. This complexity required careful consideration of numerous use cases and edge cases to ensure reliability and ...

The Global Streaming Dream vs. The Costly Reality In today’s hyper-connected world, streaming platforms dream of reaching global audiences. Viewers expect content in their language, and delivering that is no longer a luxury — it’s a necessity. But ask any video engineer about adding multiple ...

To start with unit testing for AWS Lambda integration testing with Python, Localstack, and Terraform we can just choose a testing framework and start writing our beautiful unit tests. For testing AWS services we also can use some mock tools like moto. But what about integration testing? A solution ...

Amazon DynamoDB is a highly efficient, scalable, and low-latency NoSQL database service, ideal for managing large data volumes and high traffic loads. Its robust architecture and single table design principle ensure exceptional performance and reliability which makes DynamoDB a top choice for ...

Introduction In the world of software development, the quality of your code plays a huge role in how successful your projects will be. Code quality isn’t just about making sure the code works—it’s about ensuring that it’s clean, readable, and easy to modify as your project grows. When code quality ...

Database, the center point of each application, plays a crucial role as data is always needed to execute a project and must be stored in some fashion. As applications grow in complexity and scale, the process of storing and managing data becomes more difficult. When it comes to storing and managing ...

Introduction: In the fast-paced world of software development, the ability to make strategic decisions is crucial. As a professional software craftsman, we’re faced with countless decisions every day with challenging requests, tight deadlines, and conflicting priorities. Two of the most powerful ...

In terms of version control, Git is the cornerstone of modern software development. It has become the most popular choice for developers globally because to its strength and versatility and there’s a hidden gem that can elevate your version control game to new heights: the interactive rebase. This ...

In the current dynamic world of software development, we learn to collaborate together. As technology is evolving, we are also inheriting new methods and types of cooperation with the team. Nowadays our softwares is evolving rapidly depending on the necessity and is getting more scalable. More ...

Amazon DynamoDB is a fully managed NoSQL database service known for its high performance and scalability. One of the critical components that ensure its efficiency is the partitioning mechanism. Understanding how partitioning in DynamoDB data is crucial for designing scalable and high-performing ...

Amazon DynamoDB is a widely used NoSQL database service that is fully managed. It’s known for being easy to scale, high performance, and low maintenance. This makes it a good option for developers who want to build large applications without dealing with complex database infrastructure. However, ...

In the fast-paced world of software development, continuous learning is key to success. The industry changes rapidly, with new tools, frameworks, and methods appearing all the time. To stay relevant in this ever-changing field, it’s not enough to just know programming languages; you need to commit ...

Elemental Mediaconnect -> Elemental Medialive -> Elemental Mediapackage We’ve all seen this workflow before. A tried and tested broadcasting workflow on the AWS cloud. And to be honest, the services work very well together. Recently on a project we’re working on needed something between the ...

We’ve all had those irritating moments when a video won’t buffer fast enough. In this situation, Switching platforms could be easier than enduring an average stream. Look, users can always switch platforms. Because they already have the freedom to choose a platform! However, for the video platform, ...

If you are reading this post, that means you already know about serverless, cloudfront and deploying front end using S3 static web hosting. In this article, I will be sharing a different approach to solve the 403 and 404 error, when a user tries to visit a page of your SPA using direct URL. The ...

AWS Elemental MediaConvert is a media transcoding service of AWS. For supporting vast VOD service, MediaConvert is very useful and reliable. Terraform is an Infrastructure as Code (IaC) tool which supports multiple Cloud platforms like AWS, Azure, and GCP. Unfortunately due to a lot of ...

Using this guide master the combination of Flask with SQLAlchemy and Marshmallow to build and manage scalable web applications with ease. In the article we will build a simple REST API using Flask SQLAlchemy and Marshmallow. We will be building a note taking application where these two API ...

We dive into multiple tasks every day and come across hundreds of difficulties. Which is pretty natural for a software engineer’s life. Things get challenging, but we excitedly accept that challenge to overcome each and every task in our daily lives. Because our clients rely on us to solve ...

Elasticsearch allows us to add fast full-text searching and autocomplete features to our projects very easily. We can create an “index” in Elasticsearch and store the items we want to search as JSON documents into the index, to be able to run queries depending on different fields of the documents. ...

Recently I have written a Python script for my Manager. The purpose the script was to read some JSON data, apply some business rules on them, generate a CSV(Comma Separated Value) file and upload it in a Google Spread Sheet. The sheet helped my manager to get insight of the JSON data so that he can ...

Flask is a lightweight WSGI web application framework based on Python. It is designed in such a way that it will only supply the core components of a web application and it lets the developer choose rest of the things. It leaves all the design and architecture level decisions to the developer. As a ...

Terraform Terraform is an open-source infrastructure as a code software tool. It allows building, changing, and versioning the infrastructure. Terraform uses a declarative approach to define the infrastructure. Users will define the end infrastructure that they want and terraform will do the rest ...

SQLAlchemy is a very powerful and easy to use ORM written in Python. It really helps to develop applications faster. This blog post is about how we can use Unit of Work pattern when using SQLAlchemy ORM (an ORM written in Python for Relational Databases). This blog post assumes that you are already ...

Imagine a multinational company planning a grand product launch for their latest gadget. They want to broadcast the event live to their global audience, ensuring that customers, media, and stakeholders can tune in from anywhere in the world. The event includes presentations, product demos, and ...

FFmpeg – Basic Filter Graphs is considered the Swiss Army knife of video transcoding/streaming. Let’s start with some very basic examples today of what we can do with FFmpeg. Format conversion ffmpeg -y -i input.mkv output.mp4 Copy In this simplest example, FFmpeg produces MP4 output from MKV ...

Introduction When working with an AWS Lambda project, it’s common to change your code locally, and then upload it on AWS daily or at least a weekly basis. It’s very much true for projects that are medium or large and where new features and bugfixes are constantly being added. A CI/CD pipeline can ...

AWS Lambda is a well known and great cloud Function as a Service (FaaS). And Google’s GoLang is a statically typed, compiled programming language. It is widely popular for it is being super fast and it’s built-in concurrency. In this blog post, we will discuss how we can use GoLang in the AWS ...

Python 3.9 is released on 5th October 2020 and is now available. It comes with some of the great features and lots of improvements. In this article, we will explore some of its cool features. To know more about what is coming with Python 3.9 visit this page. And if you wish to see the full ...

A comprehensive system to optimize and expedite the audio-to-text conversion process is the Unified Cloud Transcription Framework. It guarantees accurate, effective, and dependable transcription workflows for a range of applications by combining multiple transcription services and tools into a ...

Prerequisites In order to run the following commands, you need to have a Ubuntu (or any other Debian-based) work environment up and running! STEPS Upgrade pip and virtaulenv Run the following commands:sudo -H pip3 install --upgrade pip sudo -H pip3 install virtualenv Then we need to create a ...

CLI applications are ubiquitous and we are using them every day whether it be Git, Curl, or Pip. In this blog, I will show you how to build a Site Connectivity Checker using Python and Typer. Typer is a fantastic library for quickly building CLI apps using Python’s standard type hints. It’s written ...

Imagine you have an existing react project that contains a lot of external modules and also your own custom module. When you start your dev server, you run npm start or yarn start and then what do you do? You wait for the dev server to start. This waiting time depends on how big your project is and ...

Deploying Single Page Application (SPA) in Amazon Web Services (AWS) world is not that straight forward like the way SPA sounds. At Craftsmen we have been deploying SPAs in AWS cloud environment pretty frequently for our customers and thought that it’s worth sharing our practices with the world! ...

Whether you’re working on a personal project or building an enterprise-grade application, being able to quickly set up a REST API can save valuable time and resources. In this blog post, we’ll explore how you can build REST API in 5 Minutes with FastAPI, and we’ll delve into why it’s a game-changer ...

In the world of software engineering, design patterns serve as fundamental solutions to recurring problems in software design. These patterns are not tied to any specific programming language but offer universally accepted strategies for creating efficient, maintainable, and scalable code. One such ...

Working with the distributed team has now become a normal working process for many reasons. People are adapting it day by day and the corona pandemic act as a booster for this adaptation. The transformation was not easy for everyone. Many people lose their job only because they failed to adapt to ...

Demystifying Gilded Rose is a very popular refactoring exercise that is intended for practicing your test case writing and refactoring skills. It represents the dreaded situation we have to face as software engineers when we have to work on a legacy codebase and add a new feature to it. Soon after ...

We’ve all been there. Learning to use terraform, writing beautiful code to manage our cloud infrastructure; it’s all sunshine and rainbows. Until you realize you work with video and need to use Medialive resources. Now sure, you can create these resources from the aws console like a nomad and pass ...

In today’s rapidly evolving digital landscape, the importance of establishing a robust online presence cannot be overstated. Whether you’re an aspiring entrepreneur launching a startup, a seasoned business owner expanding your market reach, or an individual seeking to share your passions with the ...

Introduction Tailwind is a sizable collection of tiny CSS utility classes for rapidly and reliably creating attractive websites. Frameworks like Antd, Bootstrap and Material Design have high-level components like buttons, cards, grids, menus and forms to create different components, Tailwind ...

In this blog, we’re going to discuss how global variables inside AWS Lambda work and how you can use them in your serverless applications to increase performance and cache values. Let’s first start with the definition of cache. According to AWS official documentation, “In computing, a cache is a ...

Rendering premium technology solutions to the leading companies worldwide endows ‘Craftsmen’ as one of the top software solutions providers in Bangladesh at GoodFirms. About Craftsmen: Headquartered in Dhaka, Bangladesh, Craftsmen Ltd. comprises globally- experienced software engineers’ who have ...

Introduction Gzip (typically files with .gz extension) is a file format that contains compressed data blocks. It is used in web protocol such as http to compress data being communicated which saves bandwidth, for example, compressing the message body (webpage) of an http response. The interesting ...

Introduction The Serverless Framework is a free and open-source web framework written using Node.js [Wiki] that helps you develop and deploy AWS infrastructure resources. It’s best known for its development for AWS Lambda functions along with other AWS infrastructure resources it requires. One of ...

Introduction When we first start working with a third-party API, the version we started with may become obsolete after a few years since the legacy API may no longer be supported by the original creators or contains security problems when we need to migrate to newer versions. There could be a ...

Are you ready to learn how to become a superhero in the world of GraphQL? By giving clients superpowers, GraphQL opens up a world of possibilities, but as Uncle Ben famously said, “with great power comes great responsibility.” In the next few sections, we’ll dive into some strategies that will help ...

Do you feel like a fearless adventurer, braving the treacherous digital landscape in search of the ultimate API Gateway REST API security? Well, you’re not alone! In today’s world, protecting your APIs from unwanted access is crucial, and limiting access to specific IP addresses is a popular and ...

Ready to blast your API to the next dimension? Sick of slow response times and grumpy users? It’s time to explore the electrifying universe of AWS API Gateway caching! In this post, we’ll take you on a thrilling journey to optimize your API performance with AWS Gateway caching. We’ve got all the ...

You might have heard from your senior developers the following: Use threads for I/O stuff, it will be faster Some seasoned dev that you love And yes they are absolutely right and you might have heard the following as well! Nodejs is a single threaded, non blocking event driven, I/O optimised ...

Have you ever been curious about the inner workings of video streaming and how you can leverage AWS media services to create one. A stream of your own? Lets create a video stream from a local machine to understand the process and how to use AWS Media Services for video streaming. This article will ...

Where I work; we are obsessed with python, we use it everyday and to us python is an art. Python does not force rules unto you. But there’s always a better way of doing it; to us, a pythonic way. This article will try to show off some cool tricks and good practices in python that you can use to ...

In one of my previous articles, I have discussed why Vite is faster and how you can start a new project with Vite. Today I will be focusing on how you can migrate your existing react project created with create-react-app. If you already have an existing react project, then it is a bit complicated ...

Usage of Terraform to deploy resources in cloud is very common now a days. And normally we use CI-CD pipeline to automate this deployment process based on our requirements. In our team we use Jenkins and Terraform. Let’s walk you through a Terraform issue. One of my fellow colleagues faced an issue ...