Kostas Kalafatis

Sitecore employee by day, gamer by night. Battling my impostor syndrome and coding useless stuff since 2008.

Athens, Greece Joined on Jan 25, 2018 kalafatiskwstas@gmail.com https://dfordebugging.wordpress.com/

Education

MSc in Applied Informatics

Work

Senior .NET Developer at Sitecore

55 posts published

140 comments written

23 tags followed

Pinned

Kostas Kalafatis

Sep 22 '22

Premises of Software Architecture

#architecture

5 min read

Kostas Kalafatis

Aug 30 '22

Builder Pattern in C#

#beginners #programming #tutorial #csharp

12 min read

Kostas Kalafatis

Aug 18 '22

Database Caching Strategies

#beginners #database #architecture

16 min read

Kostas Kalafatis

Jul 12 '19

Boring a server to death - The Slow Loris Attack

#security

5 min read

Kostas Kalafatis

Apr 8

Premature Optimization

#beginners

11 min read

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Kostas Kalafatis

Mar 29

A Deep Dive into Container Identification and Dependency Management

#docker #beginners

7 min read

Kostas Kalafatis

Mar 27

Understanding Process Isolation In Docker: An In-Depth Look at PID Namespaces

#docker #beginners

5 min read

Kostas Kalafatis

Oct 26 '23

Hacktoberfest 2023 Reflections

#hacktoberfest23 #hack23contributor

11 min read

Kostas Kalafatis

Oct 17 '23

My Second Year @ Hacktoberfest

#hacktoberfest #hacktoberfest23 #hack23contributor

2 min read

Kostas Kalafatis

Sep 16 '23

Workflow Triggering Events and Event Actions

#beginners #tutorial #devops #github

13 min read

Kostas Kalafatis

Sep 11 '23

Creating our first workflow

#beginners #tutorial #devops #github

9 min read

Kostas Kalafatis

Sep 9 '23

A Gentle Introduction to the YAML format

#beginners #tutorial #devops #github

10 min read

Kostas Kalafatis

May 24 '23

Database Sharding

#architecture #database

11 min read

Kostas Kalafatis

May 19 '23

The Monolithic Giant - Exploring the Foundations of Monolithic Architecture

#architecture #beginners

18 min read

Kostas Kalafatis

May 12 '23

CAP Theorem

#architecture #database

11 min read

Kostas Kalafatis

May 9 '23

Flyweight Pattern in C#

#beginners #tutorial #programming #csharp

10 min read

Kostas Kalafatis

May 5 '23

Chain of Responsibility Pattern in C#

#beginners #programming #tutorial #csharp

10 min read

Kostas Kalafatis

Apr 29 '23

Command Pattern in C#

#beginners #programming #tutorial #csharp

9 min read

Kostas Kalafatis

Apr 25 '23

Template Method in C#

#beginners #programming #tutorial #csharp

8 min read

Kostas Kalafatis

Apr 23 '23

Facade Pattern in C#

#beginners #programming #tutorial #csharp

10 min read

Kostas Kalafatis

Apr 19 '23

Proxy Pattern in C#

#beginners #tutorial #programming #csharp

13 min read

Kostas Kalafatis

Apr 13 '23

Prototype Pattern in C#

#beginners #tutorial #programming #csharp

7 min read

Kostas Kalafatis

Feb 17 '23

gRPC Demystified - Protobuf Encoding

#programming #tutorial #architecture

11 min read

Kostas Kalafatis

Feb 10 '23

gRPC Demystified - Protocol Buffers

#programming #tutorial #architecture

18 min read

Kostas Kalafatis

Feb 7 '23

gRPC Demystified - Introduction to gRPC

#programming #architecture

18 min read

Kostas Kalafatis

Feb 5 '23

Fallacies of Distributed Systems

#architecture

14 min read

Kostas Kalafatis

Feb 3 '23

Redis Crash Course - Redis Persistence Models

#programming #tutorial #redis

13 min read

Kostas Kalafatis

Feb 2 '23

Crash Course Redis - Redis Architectures

#tutorial #redis

18 min read

Kostas Kalafatis

Jan 31 '23

Crash Course Redis - Redis Data Types Explained

#beginners #tutorial #redis

20 min read

Kostas Kalafatis

Jan 30 '23

Crash Course Redis - What is Redis?

#beginners #tutorial #redis

8 min read

Kostas Kalafatis

Nov 7 '22

Strategy Pattern in C#

#beginners #tutorial #programming #csharp

9 min read

Kostas Kalafatis

Oct 7 '22

Memento Pattern in C#

#beginners #programming #tutorial #csharp

8 min read

Kostas Kalafatis

Oct 4 '22

Bridge Pattern in C#

#beginners #programming #tutorial #csharp

10 min read

Kostas Kalafatis

Sep 28 '22

Monolithic Architecture

#architecture

5 min read

Kostas Kalafatis

Sep 28 '22

Iterator Pattern in C#

#beginners #programming #tutorial #csharp

6 min read

Kostas Kalafatis

Sep 24 '22

Abstract Factory in C#

#beginners #programming #tutorial #csharp

8 min read

Kostas Kalafatis

Sep 22 '22

State Pattern in C#

#beginners #programming #tutorial #csharp

9 min read

Kostas Kalafatis

Sep 21 '22

Adapter Pattern in C#

#beginners #programming #tutorial #csharp

6 min read

Kostas Kalafatis

Sep 14 '22

Visitor Pattern in C#

#beginners #programming #tutorial #csharp

12 min read

Kostas Kalafatis

Sep 13 '22

Observer Pattern in C#

#beginners #programming #tutorial #csharp

7 min read

Kostas Kalafatis

Sep 11 '22

Mediator Pattern in C#

#beginners #programming #tutorial #csharp

9 min read

Kostas Kalafatis

Sep 7 '22

Factory Method Pattern in C#

#beginners #programming #tutorial #csharp

10 min read

Kostas Kalafatis

Sep 6 '22

Singleton Pattern in C#

#beginners #programming #tutorial #csharp

7 min read

Kostas Kalafatis

Sep 4 '22

Composite Pattern in C#

#beginners #programming #tutorial #csharp

8 min read

Kostas Kalafatis

Sep 1 '22

Decorator Pattern In C#

#beginners #programming #tutorial #csharp

8 min read

Kostas Kalafatis

Jul 8 '22

Commenting on Comments

#discuss #programming #beginners

7 min read

Kostas Kalafatis

Dec 20 '21

Advent Of Code 2021 Using C#: Day03 - Binary Diagnostic

#adventofcode #csharp

5 min read

Kostas Kalafatis

Dec 17 '21

Advent Of Code 2021 Using C#: Day 02 - Dive!

#adventofcode #csharp

3 min read

Kostas Kalafatis

Dec 17 '21

Advent Of Code 2021 Using C#: Day 01 - Sonar Sweep

#adventofcode #csharp

3 min read

Kostas Kalafatis

Jul 5 '20

Over The Wire - Bandit 0 through 10

#beginners #tutorials #shell #security

8 min read

Kostas Kalafatis

Jun 29 '20

Over The Wire - Useful Commands Primer Part 2

#beginners #tutorials #shell

3 min read

Kostas Kalafatis

Jun 27 '20

Over The Wire - Useful Commands Primer Part 1

#beginners #tutorials #shell

12 min read

Kostas Kalafatis

Oct 3 '19

Part 2: Classic Encryption Algorithms - Mono-alphabetic Substitution Ciphers

#computerscience #security #beginners

12 min read

Kostas Kalafatis

Sep 30 '19

Part 1: Introduction to Cryptography

#computerscience #security #beginners

6 min read

Kostas Kalafatis

Jul 9 '19

Algorithm Problem: First Duplicate in Array

#javascript #computerscience

3 min read

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Hacktoberfest 2022

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