Blog of Serhat M. Dündar | Ruby, Rails, Golang, PostgreSQL, AWS, Security

Highlights, lowlights, achievements, new focuses, and moments from 2024

A reflection of making your brain forget habits that have been deeply wired in your neurons and reinforced thousands of times

Latency Test is a free-to-use tool for testing the latency of web applications, websites, APIs, and more.

holidays.rest is a full-fledged holiday API that provides accurate national, public, and bank holiday data from 195+ countries and 3600+ regions.

Highlights, lowlights and moments from 2023

A brief comparison of Go runtimes in AWS Lambda: go1.x VS. provided.al2

An overview and comparison of various webhook security methods

Deconstructing an SSL certificate and understanding components of it.

Storing passwords securely in a database with hashing, salts, and peppers.

A primitive hashing function written in Go to demonstrate concepts such as an XOR machine.

Hybrid encryption, SSL/TLS handshake and Public Key Infrastructure (PKI) explained.

A detailed scenario-based comparison of symmetric and asymmetric encryption methods.

Gradual/Canary deployments with AWS Lambda explained.

A book review of The Design of Web APIs.

A sample Grunt configuration to pack JS projects for AWS Lambda.

Using PostgreSQL types with Ruby on Rails.

Using PostgreSQL constraints with Ruby on Rails.

Using pgtune for a fine-tuned PostgreSQL database.

Encrypting sensitive data by only using native capabilities of Rails

Auto-instantiated fixtures in Ruby on Rails.

Configuring InnoDB for faster MySQL imports.

Re-enabling rake tasks to make them run in a loop.

Using 'has_many :through' for more effective nested many-to-many relations in Rails.

A brief summary of boolean type words in YAML.

Using Elasticsearch features for detecting similarity between a set of data with Ruby.