Kostas Kalafatis

PowerFactors dev by day, gamer by night. Battling impostor syndrome and writing clean energy code (and useless side projects) fueled by pure insanity 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 Power Factors

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

Nov 25

Using Semaphores for Producer-Consumer Problems

#csharp #tutorial #programming

20 min read

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Kostas Kalafatis

Aug 26

Configuration of Services

#beginners #devops #docker #tutorial

11 min read

Kostas Kalafatis

Aug 19

Using Docker Compose to Build Environments

#beginners #devops #docker #tutorial

13 min read

Kostas Kalafatis

Aug 12

Multi-Stage Dockerfiles

#beginners #docker #devops #tutorial

17 min read

Kostas Kalafatis

Aug 5

Storing and Publishing your Docker Images

#beginners #docker #devops #tutorial

9 min read

Kostas Kalafatis

Jul 29

Docker Image Naming and Tagging

#beginners #docker #devops #tutorial

11 min read

Kostas Kalafatis

Jul 24

Dockerfile Best Practices Explained - Interlude Post 2

#beginners #devops #docker #tutorial

7 min read

Kostas Kalafatis

Jul 22

Creating Base Docker Images

#beginners #docker #devops #tutorial

5 min read

Kostas Kalafatis

Jul 19

Understanding CMD, ENTRYPOINT and RUN in Docker - An Interlude Post

#beginners #devops #docker #tutorial

12 min read

Kostas Kalafatis

Jul 17

Natural Numbers

#mathematics

6 min read

Kostas Kalafatis

Jul 15

Managing Docker Images

#beginners #docker #devops #tutorial

16 min read

Kostas Kalafatis

Jul 12

The Mathematics of Algorithms

#algorithms #beginners

10 min read

Kostas Kalafatis

Jul 8

Advanced Dockerfile Directives

#beginners #docker #devops #tutorial

470

24 min read

Kostas Kalafatis

Jul 8

Building Docker Images

#beginners #docker #devops #tutorial

4 min read

Kostas Kalafatis

Jun 24

Attaching To Containers Using the Attach Command

#beginners #docker #devops #tutorial

4 min read

Kostas Kalafatis

Jun 24

Getting Started with Dockerfiles

#beginners #docker #devops #tutorial

9 min read

Kostas Kalafatis

Jun 20

XOR in 256 characters or less

#devchallenge #cschallenge #computerscience #beginners

1 min read

Kostas Kalafatis

Jun 17

Schönhage–Strassen algorithm in 256 chars or less (hopefully)

#devchallenge #cschallenge #computerscience #beginners

1 min read

Kostas Kalafatis

Jun 17

Shamir Secret Sharing in 256 characters or less

#devchallenge #cschallenge #computerscience #beginners

1 min read

Kostas Kalafatis

Jun 17

Assymetric Encryption in 256 characters or less

#devchallenge #cschallenge #computerscience #beginners

1 min read

Kostas Kalafatis

Jun 17

Basic Container Lifecycle Management

#beginners #docker #devops #tutorial

9 min read

Kostas Kalafatis

Jun 6

Running our First Docker Image

#beginners #docker #devops #tutorial

10 min read

Kostas Kalafatis

May 1

Exploring the Landscape of Database Paradigms - A Comprehensive Guide - Key-Value Databases

#database #architecture

10 min read

Kostas Kalafatis

Apr 8

Premature Optimization

#beginners

11 min read

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