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

A recap of 2024

Fri, 07 Feb 2025 02:00:00 +0200

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

Disassociating corporate habits

Mon, 09 Dec 2024 01:33:06 +0200

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

latencytest.me

Wed, 04 Dec 2024 09:30:00 +0200

Latency Test is a free-to-use tool for testing the latency of web applications, websites, APIs, and more. It can visualize each step in an HTTP request to reveal bottlenecks in a request and response cycle. Latency Test is also an advanced uptime monitoring solution that provides in-depth insights into the availability of applications and provides plenty of integrations for alerting.

As seen on:

holidays.rest

Mon, 25 Nov 2024 09:30:00 +0200

holidays.rest is a full-fledged holiday API that provides accurate national, public, and bank holiday data from 195+ countries and 3600+ regions. Thanks to its ready-to-use OpenAPI specification files, insomnia and Postman collections, and detailed API documentation getting started with holidays.rest is extremely easy.

holidays.rest is built on modern technologies and designed to ensure low-latency, and high availability and can adopt changing traffic patterns of enterprise customers.

As seen on:

A recap of 2023

Sun, 08 Jan 2023 02:00:00 +0200

Highlights, lowlights and moments from 2023

Go runtimes in AWS Lambda

Sat, 19 Nov 2022 22:10:16 +0200

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

Securing webhooks

Sun, 18 Sep 2022 20:10:16 +0200

An overview and comparison of various webhook security methods

Deconstructing and understanding an SSL certificate

Tue, 25 Jan 2022 07:10:50 +0200

Deconstructing an SSL certificate and understanding components of it.

Storing passwords in a database: hashing, salts, and peppers

Mon, 24 Jan 2022 01:30:33 +0200

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

A primitive hashing function in Go

Sun, 23 Jan 2022 18:30:19 +0200

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

SSL/TLS handshake, hybrid encryption and public key infrastructure (PKI)

Sat, 22 Jan 2022 14:00:33 +0200

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

Symmetric and asymmetric encryption

Fri, 21 Jan 2022 14:00:33 +0200

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

Canary AWS Lambda deployments

Mon, 14 Jun 2021 22:50:45 +0200

Gradual/Canary deployments with AWS Lambda explained.

Book review: The Design of Web APIs

Sun, 02 May 2021 20:10:16 +0200

A book review of The Design of Web APIs.

Packing JS projects for AWS Lambda with Grunt

Sat, 02 May 2020 20:40:46 +0200

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

Rails and PostgreSQL: types

Fri, 09 Nov 2018 19:24:20 +0200

Using PostgreSQL types with Ruby on Rails.

Rails and PostgreSQL: constraints

Sat, 03 Nov 2018 15:24:20 +0200

Using PostgreSQL constraints with Ruby on Rails.

Tuning PostgreSQL configuration

Fri, 02 Nov 2018 11:16:48 +0200

Using pgtune for a fine-tuned PostgreSQL database.

Encrypting sensitive data with Rails

Mon, 01 Oct 2018 09:33:06 +0200

Encrypting sensitive data by only using native capabilities of Rails

Rails instantiated fixtures

Wed, 03 May 2017 18:52:34 +0200

Auto-instantiated fixtures in Ruby on Rails.

Import big MySQL databases faster

Wed, 05 Apr 2017 11:44:19 +0200

Configuring InnoDB for faster MySQL imports.

Running rake tasks in a loop

Mon, 03 Apr 2017 01:46:33 +0200

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

Using has_many :through for nested relations in Rails

Sat, 20 Aug 2016 21:19:04 +0200

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

Boolean type words in YAML

Tue, 07 Jun 2016 09:10:16 +0200

A brief summary of boolean type words in YAML.

Calculating similarity between two data with Ruby and Elasticsearch

Tue, 08 Dec 2015 19:04:50 +0200

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

Artwork

Mon, 01 Jan 0001 00:00:00 +0000

art