Consumer-Driven Contract Testing with Pact
Consumer-driven contract testing (or CDC for short) is a testing methodology that ensures that providers are compatible with the expectations that the consum...
Recent posts
Single Responsibility Principle - Explained with Examples
(This post was last updated on December 13, 2024.)
Creating a VPC with AWS CDK: A Guide for Former CloudFormation Users
The AWS CDK(Cloud Development Kit) is an open-source framework to provision and manage the cloud resources using familiar programming languages.
pthreads
pthreads stands for POSIX Threads which is the de facto standard threading related API that operating systems need to support for thread managements. Almost ...
Threads and Concurrency
A traditional process has a single execution context that can only execute at one CPU at a given point of time. If a process can have multiple execution cont...
Processes and Process Management
Definition A process is an instance of an executing program. It is also referred to as a “task” or “job”.
Operating System Overview
Definition An operating system, or OS, is just a software that abstracts and arbitrates the underlying hardware components in computer systems.
Redlock: Distributed Lock Manager with Redis
A couple years ago, I discovered an issue caused by a race condition that occured in the backend application I was maintaining. So I implemented a simple dis...
Liskov Substitution Principle and Circle-ellipse Problem
The circle-ellipse problem, or square–rectangle problem, illustrates a limitation of OOP (object-oriented programming). Specifically, it violates the Liskov ...
Python Descriptors
A descriptor in Python is a class attribute which defines any of the special methods: __get__(self, obj, owner=None) -> value __set__(self, obj, valu...