Documents 752 items

• 2026.06.27 ★ SPEC DRIVEN DEVELOPMENT

  • methodology test tdd sdd
• 2026.06.14 ★ PHILOSOPHY

  • artifact philosophy test tdd
• 2026.06.14 Knowly

  • products
• 2026.06.14 Products

  • products
• 2026.06.10 ★ DIGITAL KEY

  • sdv mobility digitalkey crypto
• 2026.05.31 ★ FUNDAMENTAL TESTING

  • test tdd bdd xp
• 2026.04.12 ★ SCALABLE STREAMING PLATFORM

  • architecture systemdesign go network
• 2026.03.23 GO FUNDAMENTALS

  • go goroutine concurrency channel csp gc hexagonal solid
• 2026.03.01 DPKI

  • blockchain security cryptography architecture
• 2026.02.28 GRPC FUNDAMENTALS

  • grpc http protobuf network rpc architecture streaming kotlin coroutines http2
• 2026.02.24 ★ Never Trust the Network Designing Ordered Systems

  TCP Byte-Stream Ordering

  • network architecture http tcp idempotency distributed
• 2026.02.22 Consistent Hashing

  • architecture hash
• 2026.02.20 Symmetric Encryption

  • crypto aes cbc hkdf hmac base64 mongodb csfle
• 2026.02.18 SUSPEND MECHANISM

  • architecture kotlin coroutine
• 2026.02.18 Gossip Protocol

  • architecture protocol distributed
• 2026.02.17 KAFKA FUNDAMENTALS

  • kafka architecture distributed
• 2026.02.15 Docker, Kubernetes

  • infra k8s docker helm
• 2026.02.14 EVENTUAL CONSISTENCY

  • msa architecture distributed cap
• 2026.02.13 MQTT

  Message Queuing Telemetry Transport

  • architecture mqtt messaging iot protocol
• 2026.02.08 ★ TESLA SIGNED COMMAND PROTOCOL

  • artifact sdv tesla crypto protocol security tradeoff
• 2026.02.02 DeFi

  • blockchain defi
• 2026.02.02 Decentralized Identifiers, Zero-Knowledge Proof

  • blockchain did zkp
• 2026.02.01 Demystifying Passkeys; CTAP MakeCredential and GetAssertion

  Passkey, FIDO, TrustZone, Trusted Execution Environment, Seed Vault

  • hardware arm mobile tee fido passkey solana
• 2026.01.31 RWA

  Real World Asset

  • blockchain rwa
• 2026.01.30 NFT

  • blockchain nft
• 2026.01.28 Web 3.0

  • blockchain
• 2026.01.24 Architecture Decision Record - API Gateway

  • architecture adr
• 2026.01.22 Hardware

  • hardware
• 2026.01.21 Proof-of-Stake, Staking

  • blockchain bitcoin
• 2026.01.20 BITCOIN NODE - Merkle Tree

  • blockchain bitcoin tdd
• 2026.01.19 Agile Testing Matrix; Test Quadrants, Test Pyramid

  Specification by Example

  • test agile tdd bdd ddd
• 2026.01.18 TDD After TDD; How Developers Think in the Age of AI

  • magazine software tdd ai tradeoff
• 2026.01.18 BITCOIN NODE - Transaction

  • blockchain bitcoin tdd
• 2026.01.18 Smart Contract

  • blockchain bitcoin protocol ethereum dapp
• 2026.01.18 Decentralization

  • blockchain bitcoin distributed decentralization
• 2026.01.18 Bitcoin Address

  • blockchain bitcoin
• 2026.01.17 The Mechanics of Blockchain

  • blockchain bitcoin
• 2026.01.16 Double Spending Problem

  51% Attack

  • blockchain bitcoin
• 2026.01.15 PoW

  Proof Of Work, Hash Puzzle

  • blockchain bitcoin
• 2026.01.14 cypherpunk

  • blockchain bitcoin
• 2026.01.13 Latency, Bandwidth

  • network
• 2026.01.12 BITCOIN NODE - Double Hash

  Bitcoin Address, Genesis Block

  • blockchain bitcoin tdd
• 2026.01.11 BITCOIN NODE - Encoding VarInt

  • blockchain bitcoin tdd
• 2026.01.10 BITCOIN NODE - Encoding Endian

  • blockchain bitcoin tdd
• 2026.01.09 BITCOIN NODE

  • blockchain bitcoin tdd broadcasting
• 2026.01.08 VarInt

  CompactSize

  • blockchain bitcoin distributed
• 2026.01.07 Byzantine Generals Problem

  Proof of Work, Distributed Consensus Problem

  • blockchain bitcoin distributed
• 2026.01.06 UTXO

  Unspent transaction output

  • blockchain bitcoin
• 2026.01.05 Bitcoin Wallet, Bitcoin Address

  • blockchain bitcoin
• 2026.01.05 Segwit Locking Script

  Bech32, Remove Transaction Malleability

  • blockchain bitcoin
• 2026.01.04 Genesis Block, Coinbase Transaction

  000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f

  • blockchain bitcoin
• 2026.01.04 Base58, Base58Check

  • blockchain bitcoin
• 2026.01.04 Checksum, Bitcoin Address

  • blockchain bitcoin
• 2026.01.03 Merkle Tree, Merkle Proof

  Block

  • blockchain bitcoin datastructures
• 2026.01.02 Bitcoin - Block, Transaction, Bytes

  • blockchain bitcoin network
• 2026.01.02 Satoshi

  Little Endian, Big Endian

  • blockchain bitcoin
• 2026.01.01 Book

  • book
• 2026.01.01 BLOCKCHAIN

  • blockchain bitcoin
• 2025.12.25 ★ TRADEOFF

  • artifact tradeoff software architecture
• 2025.12.18 The Lifecycle of a Network Packet in Linux

  eth0, veth

  • network docker linux
• 2025.12.15 WebRTC

  Web Real-Time Communication

  • network sdv sdp udp nat webrtc dtls
• 2025.12.14 ★ SOCKET, PROTOCOL

  • network protocol tcp sdv architecture websocket grpc
• 2025.12.08 VPN

  Virtual Private Network

  • network sdv vpn tunneling
• 2025.12.05 NAT

  Network Address Translation

  • network nat sdv
• 2025.09.07 ENGINEERING FIELD NOTES

  • magazine
• 2025.09.01 Data Modeling

  Analysis Workloads, Relationship Modeling, Schema Design Pattern

  • database mongodb designpattern
• 2025.08.31 A Deep Dive into Distributed Transactions; Patterns and Trade-offs in Practice

  Two Phase Commit, Try-Confirm/Cancel, Event Sourcing

  • architecture distributed eventsourcing msa cqrs systemdesign tradeoff
• 2025.08.30 SOFTWARE FUNDAMENTALS; CRITICAL THINKING & ABSTRACTION

  • architecture software abstraction tradeoff
• 2025.08.17 DIGITAL TWIN

  • sdv
• 2025.08.14 V2G

  • sdv
• 2025.08.12 NETWORK DESIGN PRINCIPLE

  Architecting Digital Highways for Data Packets

  • network architecture abstraction
• 2025.08.10 Chapter7 - Practical TDD Strategies in Legacy code

  • tdd test
• 2025.08.09 Chapter6 - Refactoring and Test Evolution

  • tdd test
• 2025.08.08 Chapter5 - Complex business logic TDD improved

  • tdd test tradeoff
• 2025.08.07 Chapter4 - Driving OOP, DDD, DESIGNPATTERN design with TDD

  • tdd test
• 2025.08.06 Chapter3 - Test Design Principle

  • tdd test
• 2025.08.05 Chapter2 - First TDD Experience Position Class Implementation

  • tdd test
• 2025.08.04 Chapter1 - What is Test-Driven Development

  • tdd test
• 2025.08.02 Forward Compatibility, Backward Compatibility

  • architecture
• 2025.08.01 ★ TDD KNIGHT

  • tdd
• 2025.07.12 What is the Software Defined Vehicle?

  • sdv
• 2025.07.08 Software Regression

  • test
• 2025.06.28 Some drawbacks of component teams, Alternative is Feature Team

  • agile
• 2025.06.25 Why Randomized Exponential Backoff Is Essential for Distributed Systems

  • algorithm jitter distributed
• 2025.06.22 window system

  • architecture eventdriven
• 2025.06.14 Vector Embedding

  • database vector
• 2025.06.12 How Spring Brings Object-Oriented Principles to Life

  • spring oop
• 2025.06.09 Exactly-once processing strategy in an Event-Driven Architectures

  Producer Delivery, Message Delivery Guarantees

  • kafka architecture eventdriven
• 2025.06.08 DIGITAL TREE

  • datastructures trie
• 2025.06.04 ★ SIGNED CERTIFICATES

  • security sdv network tesla crypto
• 2025.06.01 NATURE

  • magazine software tradeoff
• 2025.05.31 Coupon Issuance System

  • systemdesign stream
• 2025.05.27 STREAM

  • architecture stream tradeoff
• 2025.05.22 Postel's Law

  Robustness Principle

  • principle
• 2025.05.20 EVENT

  • architecture
• 2025.05.19 Command Query Responsibility Segregation

  • ddd cqrs
• 2025.05.18 DISCOVERY

  • architecture cloudnative
• 2025.05.10 High Performance; Binary Packet Protocol

  How HTTP/2's Binary Foundation Transformed Web Communication Efficiency

  • network http protocol binary
• 2025.05.02 Zero Trust Architecture

  • architecture sdv security
• 2025.04.14 CHAIN OF RESPONSIBILITY

  • designpattern
• 2025.04.13 OBSERVER

  • designpattern reactive
• 2025.04.12 Security

  • security
• 2025.04.12 Distributed Messaging Queue

  Event Streaming Platform

  • systemdesign architecture kafka pulsar
• 2025.04.10 Key Exchange

  • auth crypto
• 2025.04.07 FLYWEIGHT

  • designpattern
• 2025.04.05 The Core Of Cryptography

  • crypto
• 2025.04.04 Proximity-Based Authentication

  Device Pairing

  • sdv tesla crypto
• 2025.04.02 Digital Signature

  • auth
• 2025.03.31 COMPOSITE

  • designpattern
• 2025.03.22 SDV

  • sdv
• 2025.03.12 FACADE

  • designpattern
• 2025.02.15 BRIDGE

  • designpattern
• 2025.02.08 ADAPTER

  • designpattern
• 2025.02.07 DECORATOR

  • designpattern proxy
• 2025.02.05 PROXY

  • designpattern proxy
• 2025.02.03 PROTOTYPE

  • designpattern
• 2025.02.02 BUILDER

  • designpattern
• 2025.02.01 FACTORY

  • designpattern tradeoff
• 2025.01.31 Software Architecture Lifecycle Activities

  Requirements, Design, Documentation, Evaluation, Implementation

  • architecture
• 2025.01.30 The Importance of Software Architecture

  • systemdesign architecture
• 2025.01.29 Type Driven Architecture

  • architecture
• 2025.01.28 Decision Making Principles

  • architecture
• 2025.01.27 DECOUPLING

  • cleancode architecture test refactoring systemdesign
• 2025.01.25 Law of Demeter

  • oop designpattern
• 2025.01.22 Minimalist Concepts

  KISS, YAGNI

  • oop
• 2025.01.20 Functional Object

  • fp
• 2025.01.18 Writing Effective Comments for Readability and Maintainability

  • cleancode
• 2025.01.15 Optimistic Concurrency Control; Optimistic Locking

  Pessimistic Lock

  • redis lock concurrency
• 2025.01.02 Agile

  • agile
• 2025.01.01 ★ INTERFACE

  • designpattern principle
• 2024.12.31 Don’t Mock What You Don’t Own

  • test
• 2024.12.24 ★ Deep Dive Concurrency

  • redis concurrency synchronization lock reentrancy volatile
• 2024.12.23 Autowiring in Spring Integration Tests with Kotest

  • test kotlin kotest
• 2024.12.22 The Essence of Performance Testing

  • performance
• 2024.12.20 Design to Performance; Redis Single-Threaded Architectures

  • redis multiplexing eventloop
• 2024.12.18 Token Introspection

  OAuth 2.0 Resource Server Opaque Token

  • auth jwt
• 2024.12.17 Functional DistributedLock

  • redis lock distributed
• 2024.12.15 K6 Performance Testing

  • performance
• 2024.12.14 Little's Law

  • performance
• 2024.12.12 Data Driven Workflows

  Orchestrating Kafka Events into Modular Tasks

  • architecture massivetraffics driven data kafka
• 2024.12.11 Fire and Forget

  Redis Pub/Sub

  • designpattern redis
• 2024.12.10 Back-of-the-Envelope Estimation in System Design

  Understanding QPS, RPS, and Throughput for Effective System Design Interviews

  • systemdesign qps rps throughput
• 2024.12.08 AAA

  Arrange,Act,Assert

  • test
• 2024.11.30 Message Inversion

  • kafka
• 2024.11.29 Atomic instruction CAS to achieve synchronization

  Compare And Swap, ConcurrentHashMap

  • algorithm concurrency atomic operatingsystem java
• 2024.11.27 From Abstraction To Essence

  • magazine
• 2024.11.25 Interface; Data Transfer Object, Business Object

  • kotlin swift
• 2024.11.22 AI-Driven Modern Test Driven Development

  • tdd test ai
• 2024.11.20 POINTER

  • operatingsystem go memory
• 2024.11.18 vCard

  • architecture
• 2024.11.16 Design Driven Testing

  • test ddt tdd
• 2024.11.15 Test Harness

  • test
• 2024.11.13 Deeplink

  • mobile deeplink
• 2024.11.12 Force Push

  • git
• 2024.11.10 XYZ

  • business
• 2024.11.08 Cache Hierarchy; Why Cache Layers Exist Between CPU and Memory

  Multilevel Caches

  • operatingsystem cpu cache memory
• 2024.11.06 Data Beat Opinions

  • business google data
• 2024.11.05 Principal

  • spring security auth
• 2024.11.04 CALLBACK

  • architecture designpattern
• 2024.11.02 Canary

  • architecture
• 2024.11.01 Designing Context Structures for Suspend/Resume in Multitasking

  Concurrency in Modern Programming - From Processes to Coroutines

  • operatingsystem cpu coroutine virtualthread
• 2024.10.31 VirtualThread; Provide High-throughput not Low-Latency

  • java kotlin coroutine spring virtualthread
• 2024.10.30 DUPLEXING

  • architecture
• 2024.10.28 BROADEN YOUR HORIZONS

  • magazine life product
• 2024.10.27 rwlock

  • go rust lock concurrency mutex deadlock
• 2024.10.25 Throughput and Latency understood by Delivery Services

  • network
• 2024.10.22 Debounce with Options - Leading, Trailing

  • api debouncing
• 2024.10.05 FencedLock

  • redis lock distributed concurrency
• 2024.10.03 DataDrivenTest

  • test
• 2024.10.02 The History of Ventilation and Temperature Control

  • mobility
• 2024.10.01 WatchDog

  • designpattern
• 2024.09.26 Carrying Capacity

  • business
• 2024.09.25 Tests Enable of Fearless Refactoring

  • test tdd
• 2024.09.21 Test Attributes

  • test
• 2024.09.19 A Guide to IT Contracting - Checklists, Tools, and Techniques

  • etc contract
• 2024.09.17 ★ CLEANCODE

  • cleancode test architecture
• 2024.09.16 Mastering Developer's Guide to Seamless Social Logins

  Integrating Google, Apple, and Kakao with OpenIDConnect and OAuth

  • auth oidc
• 2024.09.15 THE LAWS OF IDENTITY

  • auth identity
• 2024.09.14 AWS Systems Manager

  • aws ssm
• 2024.09.13 Three Questions to Build a Data Analysis Hypothesis

  • driven methodology data
• 2024.09.12 PageCache Centric Designs

  Don't fear the Filesystem!

  • kafka linux
• 2024.09.11 Achieving Robust Control with the Desired/Actual State Pattern

  Spec and Status Patterns

  • designpattern kubernetes mobility sdv tesla cloud
• 2024.09.10 ABSTRACTION

  • architecture cs abstraction
• 2024.09.08 ReplayAttacks

  • auth
• 2024.09.07 LINUX

  • linux
• 2024.09.04 Automotive Architectures

  Domain, Zonal and the Rise of Central

  • architecture mobility
• 2024.09.03 Quality of Service

  • kubernetes qos
• 2024.09.02 How to Implementation High Order Functions?

  • kotlin
• 2024.09.01 CONNECTED SERVICE

  • mobility architecture realworld
• 2024.08.31 Critical Thinking in the DNA of Software Engineers

  • magazine software
• 2024.08.30 Tx

  • database jpa tradeoff
• 2024.08.29 Provisioning

  • architecture
• 2024.08.28 Cross-Origin Resource Sharing

  • api cors
• 2024.08.27 Backend For Frontend

  • architecture designpattern
• 2024.08.26 Developer Experience

  • experience dx
• 2024.08.25 Trustworthy Conversations in the Digital Worlds

  Certificate Authority, Public Key Infrastructure, Asymmetric Cryptography

  • auth ca mobility crypto pki
• 2024.08.24 Functional testing of a user story, scenario

  Acceptance testing is user's perspective test

  • tdd test
• 2024.08.23 Discover Spring REST Docs API Enum Designs

  • kotlin spring
• 2024.08.22 Lambda with Receiver

  Higher-order functions and Lambdas

  • kotlin lambda fp
• 2024.08.21 LOG MASTERING

  • logging msa distributed
• 2024.08.17 Strategies for Handling Network Blips; Ensuring Resilience in Distributed Systems

  Fault Tolerance; Retry Mechanism, Circuit Breaker, Timeout, Fallback, Graceful Degradation

  • network distributed
• 2024.08.15 Characterization Test

  Golden Master Testing(also known as Snapshot Test, Approval Test) is Testing Techniques Used When Refactoring LegacyCode

  • test refactoring spring
• 2024.08.14 Defactoring

  Reducing Cognitive Load by Removing Unnecessary Abstraction

  • refactoring
• 2024.08.13 Password Encryption

  How to avoid Rainbow table attacks in Password encryption

  • crypto owasp security argon
• 2024.08.12 Data-driven, Data-informed or Data-inspired

  • driven methodology data
• 2024.08.09 DEPENDENCY

  • architecture spring
• 2024.08.07 Experience of Software Architectures

  Correlation between DomainPurity and Productivity, Protocol, Mixed Architectures

  • architecture software swift
• 2024.08.05 Integration Testing

  • test
• 2024.08.04 ★ Functional Architectures

  The Essence Of Diverse Architectures, Type Driven Development, Output Based Testing

  • architecture fp test
• 2024.08.03 ★ DomainModel

  • architecture ddd designpattern oop
• 2024.08.01 BLE Technology Driving Connected Car Innovation

  The Future of Efficient Vehicle Connectivity

  • mobility bluetooth
• 2024.07.31 Chatting System Design

  • systemdesign
• 2024.07.29 Effective UnitTest

  • test
• 2024.07.28 Load Balancer

  • infra
• 2024.07.27 Managed Service

  • architecture
• 2024.07.26 Intuitive Naming

  • test
• 2024.07.25 Fixtures

  Sharing Test Fixtures/Dependency

  • test
• 2024.07.24 AWS

  • aws
• 2024.07.21 Error .. is not in std golang

  $GOPATH/go.mod exists but should not

  • go error
• 2024.07.20 DNS

  Domain Name System

  • network dns
• 2024.07.19 Test Patterns For Standard Fixtures Reuse

  Object Mother, Test Data Builder, Fixture Monkey, EasyRandom

  • test spring fixturemonkey designpattern
• 2024.07.18 Callback Based Async Architecture

  • architecture mobility
• 2024.07.16 Detroit Versus Mockist

  • test
• 2024.07.13 Determining When to Apply Test-Driven Development

  Benefits, Drawbacks of TDD

  • tdd test
• 2024.07.12 Testability

  • test
• 2024.07.11 Design by Contracts

  • test contract kotlin spring
• 2024.07.09 CodeCoverage

  • test coverage jacoco
• 2024.07.08 Content Delivery Network

  • architecture aws cdn
• 2024.07.07 TestDoubles

  When to fake; when to mock

  • test
• 2024.07.06 No Silver Bullet in Software Test

  • test
• 2024.07.05 PropertyBasedTest

  ExampleBasedTest

  • test
• 2024.07.02 SpecificationBasedTest

  • test
• 2024.06.30 Functions

  Currying, Partial Application

  • ddd fp
• 2024.06.29 Exchange

  Delegation Semantics

  • auth exchange
• 2024.06.28 RateLimit - 429 Too Many Requests

  • api ratelimit
• 2024.06.25 Drawbacks of Distributed Lock

  • redis lock distributed
• 2024.06.23 Test Pyramid

  The "Test Pyramid" is a metaphor that tells us to group software tests into buckets of different granularity

  • tdd test
• 2024.06.22 Client Credentials Grant

  • auth
• 2024.06.21 Delegates

  • kotlin designpattern
• 2024.06.20 HealthCheck

  • spring healthcheck kubernetes
• 2024.06.15 Combined Charging System

  • mobility ccs
• 2024.06.13 Divide Potential Errors

  • fp kotlin java api
• 2024.06.12 Point of Interest

  • mobility poi
• 2024.06.08 Persistence

  Data Persistence is a means for an application to persist and retrieve information from a non-volatile storage system

  • designpattern java jpa
• 2024.06.07 Don't use natural keys

  • database
• 2024.06.05 Japanese

  • language
• 2024.06.03 Keycloak

  • auth keycloak
• 2024.06.02 Minimizing mental complexity

  • kotlin
• 2024.05.28 The Log

  What every software engineer should know about real-time data's unifying abstraction

  • logging consensus distributed
• 2024.05.27 System Design

  • systemdesign
• 2024.05.20 Device Authorization Grant

  • auth
• 2024.05.18 Digital Twin

  • mobility
• 2024.05.15 HMAC

  Hash Message Authentication Code

  • auth hash crypto
• 2024.05.02 Domain Modeling

  Tackle Software Complexity with Domain-Driven Design and F#

  • ddd designpattern fp
• 2024.04.25 Robotaxi

  Autonomous mobility on demand

  • mobility robotaxi
• 2024.04.18 QR Code

  How to implement QR Code Login Authentication Across Devices

  • architecture qrcode deeplink
• 2024.04.10 Redis Queue

  • redis
• 2024.04.09 Enhanced IP Addressing System

  Classless based IP Addressing System with Subnetting

  • network subnet
• 2024.04.08 Abstraction of the Linux message traffic path

  • linux network socket
• 2024.04.07 Open Container Initiative

  Container Runtime Interface

  • kubernetes docker
• 2024.04.06 Key Aspects of scalable architectures

  Decentralization and Independence

  • architecture cloudnative
• 2024.04.05 Deadlock

  • operatingsystem
• 2024.04.03 Container Hierarchy

  • kubernetes docker
• 2024.04.02 Benefits of test code

  • test
• 2024.04.01 Atlassian JIRA APIs

  • etc atlassian jira
• 2024.03.31 Abstracted Native by Wrapping

  Synchronized with Monitors described to OS level

  • java reactive jni oop operatingsystem
• 2024.03.30 Secure Shell

  Tunneling Protocol

  • linux network security ssh crypto tunneling
• 2024.03.29 SUT, DOC

  System Under Test and Depended On Component

  • test
• 2024.03.28 Polymorphism

  • oop
• 2024.03.27 User feedback is important than premature optimization

  • experience performance
• 2024.03.26 Feign Client Exception Handling with ErrorDecoder

  • spring
• 2024.03.25 Data Structure Visualizations

  • datastructures
• 2024.03.24 API Designs

  • architecture api
• 2024.03.23 Data Anonymization

  • database kotlin
• 2024.03.22 Spring Cache Abstraction

  • spring
• 2024.03.21 Analyzing Inversion of Control

  Dependency Injection

  • spring
• 2024.03.20 Site Reliability Engineering

  SLO, SLO

  • devops observability sre sli slo performance
• 2024.03.19 Security Attacks

  • network security owasp
• 2024.03.18 Helm

  Helm is a tool for managing Kubernetes packages called charts

  • kubernetes helm
• 2024.03.15 SchedulerLock

  • spring shedlock
• 2024.03.12 Consumer Options Optimization Strategy

  • kafka eventdriven zeropayload
• 2024.03.10 Fetch Execute Cycle

  • operatingsystem cpu
• 2024.03.08 Encapsulation

  • oop
• 2024.03.05 Vehicle Controls

  • realworld mobility tesla kotlin
• 2024.03.01 Semantic Versioning

  • git
• 2024.02.28 Architecting Flexible Control Systems

  Designing kotlinx serializable hierarchy

  • realworld kotlin architecture
• 2024.02.23 Unified Modeling Language

  • uml
• 2024.02.22 Namespace

  • kubernetes
• 2024.02.20 Prometheus Architecture

  • architecture
• 2024.02.18 Istio Traffic management

  Gateway, VirtualService, DestinationRule

  • kubernetes
• 2024.02.17 Service Mesh Architecture

  SideCar Pattern

  • kubernetes architecture
• 2024.02.15 VIN

  Vehicle Identification Number

  • mobility
• 2024.02.12 Forward to EventLoop

  Direct Memory Access, Java NIO, Streams, Buffers

  • reactive linux operatingsystem designpattern multiplexing eventloop
• 2024.02.09 Performance

  • performance
• 2024.02.08 TEST

  • test
• 2024.02.08 CAN

  Controller Area Network

  • mobility can
• 2024.02.05 Background, Foreground State in App

  • mobile
• 2024.02.02 Envoy Proxy

  • infra kubernetes
• 2024.02.01 Countermeasures For External Interlocking Failures

  외부 연동 장애 대응책 고민

  • experience database
• 2024.01.30 Object Calisthenics

  • oop
• 2024.01.30 Unix philosophy

  Minimalist, Modular software development

  • linux unix
• 2024.01.29 Elegant Object

  • oop
• 2024.01.28 Meaning of Real Object Oriented

  • oop
• 2024.01.25 Merge commit with semi-linear history

  • git
• 2024.01.21 Spring Cloud OpenFeign

  • spring netflix
• 2024.01.18 Experience

  • experience
• 2024.01.16 Kafka Headers

  KIP-82 - Add Record Headers

  • kafka
• 2024.01.15 Type Assignment for Readability and Safe

  • kotlin
• 2024.01.14 Readability

  Reducing CognitiveLoad

  • cleancode kotlin
• 2024.01.12 Handling Nulls Safely

  • kotlin
• 2024.01.11 Why use mock any ?

  • test
• 2024.01.09 De-Identification

  • theory
• 2024.01.08 Designing robust APIs with Idempotency

  • architecture idempotency
• 2024.01.05 Use exceptions to restriction your code

  require, check, assert

  • kotlin
• 2024.01.04 ★ Immediate Feedback for Interface Design Decisions

  TDD doesn’t create Design. You do.

  • tdd test
• 2024.01.03 How to name test

  • test
• 2024.01.02 The Fundamental Test-Driven Development Cycle

  • tdd test
• 2024.01.01 Observability

  • observability
• 2024.01.01 Mutability Restriction

  Difficulties in managing states

  • kotlin
• 2023.12.31 ★ TDD

  Test Driven Development

  • tdd
• 2023.12.25 Business

  • business
• 2023.12.11 V2X

  • mobility
• 2023.12.08 Deadcode

  • cleancode go
• 2023.12.05 Delta, Snapshot

  Using JSON Patch in Spring REST APIs

  • git delta snapshot
• 2023.12.03 Reduce Complexity and Cognitive Load

  How to keep clean code

  • cleancode
• 2023.12.02 Domain-Oriented Observability

  • architecture logging observability
• 2023.12.01 Payments

  • architecture payment
• 2023.11.30 Serializability

  Serializable Transaction

  • database distributed concurrency
• 2023.11.28 Retry Mechanism

  • architecture network
• 2023.11.27 Datamart

  • database datamart
• 2023.11.25 Port Forwarding

  Network address translation

  • network linux
• 2023.11.24 Volatile Solves Memory Visibility and Atomic Solves Concurrency

  • java concurrency
• 2023.11.23 Garbage Collector Algorithms

  Serial, Throughput, CMS, G1GC, ZGC

  • gc java kotlin tradeoff
• 2023.11.21 Generation Based Design of Garbage Collection

  Weak Generational Hypothesis

  • gc java kotlin
• 2023.11.18 Publish/Subscribe Architecture

  Message-Oriented Middleware System and Message Broker

  • architecture eventdriven designpattern qos
• 2023.11.15 Polymorphism Functions

  • go
• 2023.11.14 Telnet

  • network linux
• 2023.11.12 System Call

  • operatingsystem
• 2023.11.10 Memory Analyzer

  GC Monitoring, Thread/Heap Dump and Resolution Memory Leak

  • troubleshooting gc java memoryleak threaddump heapdump
• 2023.11.08 MapReduce

  • architecture fp database mongodb designpattern
• 2023.11.05 Tail Latency Amplification

  Latency Time, Response Time and Service Level Objective(SLO)

  • network monitoring
• 2023.11.02 Event Driven System

  • architecture eventdriven dod
• 2023.10.26 JDBC Batch Updates

  • kotlin java
• 2023.10.24 Universally Unique Identifier

  • architecture cloudnative database uuid jpa
• 2023.10.22 Vendoring

  • go
• 2023.10.21 Profiling Benchmarks

  • go
• 2023.10.20 Panic

  • go
• 2023.10.19 Fuzz

  • go
• 2023.10.18 Empty Interface and Generics

  • go
• 2023.10.16 Mutex

  • go mutex
• 2023.10.15 Explained Concurrency

  Do not communicate by sharing memory; instead, share memory by communicating

  • go concurrency lock coroutine goroutine
• 2023.10.11 Unix Signal Handling

  • go
• 2023.10.10 Half Close

  • network tcp
• 2023.10.09 Dissection Status Management

  StatusDirector

  • magazine
• 2023.10.08 Protobuffer

  • grpc spec
• 2023.10.07 Pointers and Dereferencing

  • go
• 2023.10.05 Architecture Decision Records

  • architecture adr
• 2023.10.04 Docker Log Rotation

  Logging Driver Mechanism

  • logging docker
• 2023.10.03 Defensive Copy

  Deep Copy

  • fp kotlin deepcopy
• 2023.10.02 Principle Of Immutability is Copy on Write

  Immutable Data Structure, It's Fast Enough

  • fp datastructures shallowcopy
• 2023.10.01 Difference Between Method And Function

  Receiver

  • go oop
• 2023.10.01 Hard to untangle the tangled thread

  • magazine fp
• 2023.09.30 Timeline Cutting

  • fp
• 2023.09.29 Stratified Design

  • architecture fp
• 2023.09.28 Components of Code in Functional Programming

  Action, Calculate, Data

  • fp
• 2023.09.27 Side Effect

  Procedure

  • fp
• 2023.09.26 Deferred Execution

  Lambdas, Reactive, Coroutines and Functional Interfaces

  • reactive lambda coroutine
• 2023.09.25 Testing in a Reactive World

  • reactive
• 2023.09.24 Debugging in a Reactive World

  • reactive
• 2023.09.23 Sometimes communication is more important than development

  • magazine
• 2023.09.22 Google Firebase Network Latency Increased Error

  • troubleshooting
• 2023.09.21 Functional Programming

  • fp
• 2023.09.20 Context

  • reactive
• 2023.09.19 Scheduler

  • reactive
• 2023.09.18 Preventing log loss with non-blocking mode

  • logging aws architecture
• 2023.09.17 Sinks

  • reactive
• 2023.09.16 Netty ByteBuf

  • reactive netty
• 2023.09.15 Meaningful Code Comments

  • magazine cleancode
• 2023.09.14 CoroutineDispatcher

  • kotlin coroutine
• 2023.09.13 Exception Handling in Kotlin Coroutine

  • kotlin coroutine
• 2023.09.12 Meaning of Data Oriented

  • dod architecture fp
• 2023.09.11 Coroutine Cancel

  • kotlin coroutine
• 2023.09.10 Aggregate Massive Data With Bloom Filters

  Bloom filters used in variety cases. AdPlacement, Fraud Detection in Finance

  • algorithm datastructures
• 2023.09.08 RELIABILITY

  • architecture cloudnative infra
• 2023.09.07 AWS Well-Architected Framework

  • architecture cloudnative infra
• 2023.09.05 Job, Async, Deferred

  • kotlin coroutine
• 2023.09.04 Process, Thread, Coroutine

  • kotlin coroutine
• 2023.09.03 Don't Overspecialize Be Flexible

  • magazine
• 2023.09.02 How to disable Spring Security Auto Configuration in Spring Webflux

  • spring reactive
• 2023.08.28 API

  • api
• 2023.08.27 Debugging to analyze suspend mechanisms

  • kotlin coroutine
• 2023.08.27 Mobile

  • mobile
• 2023.08.25 Netty Memory Leak

  Native Memory Leak

  • reactive netty memoryleak
• 2023.08.23 Prevent Duplicate Storing in Redis

  • redis
• 2023.08.22 MetadataLock

  • database lock
• 2023.08.21 RealWorld

  • realworld
• 2023.08.20 ★ DDD

  • ddd
• 2023.08.20 Effective Final with Lambda Capturing

  • java kotlin
• 2023.08.19 Caching

  • caching
• 2023.08.19 Autonomous Driving Level

  • mobility
• 2023.08.18 Go

  • go
• 2023.08.18 Demand, Source

  • reactive
• 2023.08.17 Anonymous Class with Super Token Types

  • java kotlin jackson
• 2023.08.16 Deserialize Generic

  • java kotlin jackson
• 2023.08.15 Server-Side Request Forgery

  • network
• 2023.08.14 Over The Air

  • mobility
• 2023.08.13 Mobility Language Dictionary

  • mobility term
• 2023.08.11 Write Ahead Logging

  • logging jpa
• 2023.08.11 Devops

  • devops
• 2023.08.09 Reactive Streams Pub/Sub Model

  • reactive kafka
• 2023.08.08 Lazy Write

  • spring jpa
• 2023.08.07 Security Properties Of Hash Functions

  • crypto hash
• 2023.08.05 Deterministic

  • crypto hash
• 2023.08.04 DogFooding

  • glossary
• 2023.08.02 Authorization Code Flow with Proof Key for Code Exchange

  OpenIdConnect, Authorization Code Grant with PKCE

  • auth oidc
• 2023.08.01 Signal

  • reactive
• 2023.07.28 Asymmetric Cryptography

  • crypto
• 2023.07.27 Kerckhoffs Principle

  암호체계의 안전성은 키의 비밀성에만 의존해야 한다

  • crypto
• 2023.07.26 Internationalization with Language Translation Tables

  • database internationalization
• 2023.07.25 If you know this, you can solve concurrency

  • msa concurrency lock
• 2023.07.23 FFSC

  • magazine architecture
• 2023.07.21 Reactive Relational Database Connectivity

  • database r2dbc reactive
• 2023.07.19 Functor and Monad in Functional Programming

  • kotlin functor monad fp reactive
• 2023.07.15 Idempotency with Redis

  • network idempotency
• 2023.07.07 How Discord Stores Trillions of Messages

  Discord 팀이 조 단위 메세지를 DB에 저장하는 방법

  • architecture snowflake database cassandra msa
• 2023.07.05 Distributed Key-Value Store in Cassandra

  • database cassandra msa distributed
• 2023.07.04 Cache Consistency

  • msa caching lock distributed
• 2023.07.03 Unit of Measures

  GB, GiB - The binary method

  • etc
• 2023.07.01 Multithreading

  • java linux operatingsystem
• 2023.06.30 Traffic Shadowing

  • msa
• 2023.06.28 Cherrypick

  • git
• 2023.06.25 Netty PrematureCloseException

  • troubleshooting webflux network
• 2023.06.23 Reason of kernel memory increasing

  • linux java
• 2023.06.22 Docker, Kubernetes with Linux Kernel OOM Killer

  • linux oom kubernetes java troubleshooting
• 2023.06.21 Linux Memory Allocation and Overcommit Concepts

  • linux oom kubernetes
• 2023.06.19 VEHICLE SIGNAL SPECIFICATION

  • mobility spec
• 2023.06.16 cgroup

  • linux
• 2023.06.15 Dockerizing a whole physical Linux server

  • docker
• 2023.06.14 Coroutines with WebFlux

  • kotlin webflux coroutine
• 2023.06.12 Mockk, SpringMockk, Mokito-Kotlin

  • kotlin spring
• 2023.06.11 Linux/Unix

  • linux
• 2023.06.10 KEDA

  Kubernetes Event-driven Autoscaling

  • kubernetes infra
• 2023.06.08 Reactor Timeout Fallback

  • reactive
• 2023.06.05 JVM Optimization with warm up

  • java jvm
• 2023.06.03 Event and Separation of De-concerns

  • msa reactive
• 2023.05.29 Service Connectivity

  • architecture cloudnative msa
• 2023.05.27 Language

  • language
• 2023.05.25 Structured Concurrency

  • kotlin java architecture coroutine
• 2023.05.24 Event-driven Architecture, State machines

  • architecture reactive kotlin
• 2023.05.23 Mechanism of Context, Distributed Tracing with MDC

  Mechanism that transport contextual metadata in Project Reactor

  • reactive netty webflux logging
• 2023.05.21 Improve statement caching efficiency

  • spring jpa
• 2023.05.21 CRDTs

  Conflict-Free Replicated Data Types

  • architecture crdts msa
• 2023.05.20 NATS

  • architecture cloudnative
• 2023.05.19 Advanced Message Queuing Protocol

  • architecture cloudnative
• 2023.05.17 Logging in WebFlux with Kotlin

  • logging webflux kotlin
• 2023.05.15 ForkJoinFramework

  • java parallel
• 2023.05.13 Datadog Log Collection with Kubernetes

  • logging observability
• 2023.05.12 Schema Registry

  • architecture cloudnative designpattern
• 2023.05.11 Synchronous Messaging Pattern

  • architecture cloudnative designpattern
• 2023.05.10 Networking Infrastructure Abstraction with Overlay Network

  • docker infra
• 2023.05.08 Cloud Native

  • architecture cloudnative
• 2023.05.07 Null Safety with JSR-305

  • kotlin spring
• 2023.05.05 Entity Logging

  • logging
• 2023.05.04 Improve Gradle Build Performance

  • gradle
• 2023.05.01 Dependency for Reactive, Kotlin, WebFlux 3.x with LINE

  Hibernate Reactive, Vert.x and Kotlin JDSL

  • reactive jpa hibernate netty
• 2023.04.29 ExecutorService

  • reactive java netty
• 2023.04.26 Hot Diggety Dog!

  • kata
• 2023.04.24 Crypto

  • crypto
• 2023.04.23 Exception Hierarchy

  • spring java architecture
• 2023.04.22 Bulkhead

  How LINE OpenChatServer handles extreme traffic spikes

  • architecture msa
• 2023.04.21 Masking

  • logging
• 2023.04.20 Logging

  • logging
• 2023.04.19 Towards a Higher than the Developer

  • magazine
• 2023.04.18 DEFLATE

  • algorithm
• 2023.04.17 Huffman Coding Algorithms

  • algorithm
• 2023.04.16 Run-Length Encoding

  • algorithm
• 2023.04.15 Jakarta and RFC7807 with Spring Boot 3.0+

  • spring
• 2023.04.14 Projection for Avoid LazyInitializationException

  • spring jpa
• 2023.04.13 Open Session In View Pattern

  • spring jpa designpattern
• 2023.04.12 Decision Algorithm and Parametric Search

  • algorithm
• 2023.04.11 Binary Search

  • algorithm
• 2023.04.10 The Future of Developers

  • magazine
• 2023.04.08 Time Complexity

  • algorithm
• 2023.03.28 Kata

  • kata
• 2023.03.21 CAP Theory of Design Principles for Distributed Systems

  • architecture msa distributed tradeoff
• 2023.03.19 N+1 Query Problem with JPA

  • spring jpa
• 2023.03.18 Blocking NonBlocking Synchronous Asynchronous

  I/O Models

  • reactive linux
• 2023.03.17 Distributed Lock

  • redis lock distributed
• 2023.03.17 Aspect Oriented Programming

  • spring proxy
• 2023.03.16 Code Generator Library, CGLIB

  • java proxy spring
• 2023.03.16 DynamicProxy

  • java proxy spring
• 2023.03.14 Thoughts of Objects to Reduce Dependencies Between Packages

  패키지간 의존성을 줄이기 위한 객체에 대한 고찰 및 생산성과 안정성에 대한 트레이드오프

  • magazine tradeoff
• 2023.03.13 Hash

  • algorithm hash crypto datastructures
• 2023.03.12 Partitioning

  Vertical Partitioning and Sharding

  • database
• 2023.03.12 Distributed UniquenessKey

  • architecture msa snowflake
• 2023.03.11 Replication

  • database
• 2023.03.10 Idempotency Key that resolve consistency issues with retries

  재시도에 따른 정합성 문제를 멱등키로 해결하기

  • troubleshooting idempotency
• 2023.03.09 Avoid blocking all threads in a network latency

  네트워크 지연 환경에서 모든 스레드 블락킹 피하기

  • troubleshooting
• 2023.03.08 Branch By Abstraction

  • architecture designpattern
• 2023.03.07 Demilitarized Zone

  DMZ

  • network
• 2023.03.06 Lambda Architecture to handle massive quantities

  Batch RealTime Architecture

  • architecture
• 2023.03.05 Components of Software Architectures

  Expectations for Architects

  • architecture
• 2023.03.04 Layered Architecture with Sinkhole

  • architecture
• 2023.03.03 Normalization

  • database
• 2023.03.02 Caching Strategy and Eviction Policies

  • architecture caching
• 2023.03.01 Circuit Breaker with Fallback Improving Resiliency

  • architecture msa designpattern
• 2023.02.28 Query Offloading

  • database
• 2023.02.28 Storage Estimation with Quantitative Analysis

  정량적 분석을 통한 스토리지 측정

  • architecture
• 2023.02.27 Clean Architecture

  • architecture
• 2023.02.26 Ahead of Time Engine Optimizations

  Spring Native with GraalVM

  • java jvm spring
• 2023.02.24 Distributed Caching in Microservices

  • msa caching distributed
• 2023.02.23 Hexagonal Architecture

  Ports and Adapter Architecture

  • architecture
• 2023.02.22 Difference Stack and Heap

  • datastructures stack
• 2023.02.21 ParameterizedTypeReference

  • spring
• 2023.02.20 Token Bucket to Control Communication Volume

  • algorithm
• 2023.02.19 Offload Processing

  • reactive
• 2023.02.18 Replenishing Optimization

  • reactive algorithm
• 2023.02.17 Performance Impacts in Reactive Programming

  • reactive
• 2023.02.16 Deepdive in ProjectReactor

  • reactive
• 2023.02.15 Hot, Cold Sequence

  • reactive
• 2023.02.14 Reactive Streams Specification

  • reactive spec
• 2023.02.12 Marble Diagram

  • reactive
• 2023.02.10 GC

  Garbage Collection

  • gc java kotlin
• 2023.02.09 Algorithm

  • algorithm
• 2023.02.08 MySQL RDS vs MySQL Aurora

  • infra
• 2023.02.07 Debounce; Throttle

  • api debouncing throttling ratelimit
• 2023.02.05 Message Delivery in Event Driven Architecture

  Transactional Outbox, Polling Publisher, Message Broker

  • msa
• 2023.02.03 Service Discovery

  • msa architecture
• 2023.02.02 Reduce Dependency

  • ddd architecture
• 2023.02.01 Character of Architectures

  • ddd architecture
• 2023.01.31 Service Oriented Architecture

  SOA

  • msa
• 2023.01.30 Antifragile

  • msa
• 2023.01.29 Observable

  • reactive
• 2023.01.28 Gateway in Microservices

  • msa
• 2023.01.25 Saga

  • msa
• 2023.01.21 Filter

  • spring
• 2023.01.18 Distributed Tracing

  • msa logging distributed observability
• 2023.01.16 Actions to Calculations

  동작에서 계산으로

  • kotlin fp test
• 2023.01.15 Essence of Domain Driven Design

  Domain Driven Design is Philosophy, Approach and Art

  • ddd
• 2023.01.14 Widget

  • flutter
• 2023.01.13 Claim Domain

  • ddd
• 2023.01.13 Defensive/Offensive Programming

  • cleancode
• 2023.01.12 Generative Pre-trained Transformer

  ChatGPT

  • gpt
• 2023.01.10 Cloud DesignPatterns

  • designpattern cloudnative
• 2023.01.09 Flutter

  • flutter
• 2023.01.08 Intention Revealing Interface

  의도를 드러내는 인터페이스

  • ddd refactoring
• 2023.01.07 Aliasing Bug by Reference Of Collections And Objects

  가변 컬렉션과 읽기 전용 컬렉션

  • refactoring java kotlin
• 2023.01.06 Inlining Local Variable

  지역 변수 인라이닝 기준

  • refactoring
• 2023.01.05 Acknowledgement

  • kafka
• 2023.01.04 Salted Challenge Response Authentication Mechanism

  Credentials Authentication Mechanism

  • auth kafka
• 2023.01.03 rebase

  Git rebase

  • git
• 2023.01.02 Module

  모듈, 패키지

  • ddd
• 2023.01.01 Parallel Change

  확장과 축소 리팩터링

  • refactoring kotlin
• 2022.12.30 Value semantics

  값 의미론과 값 객체

  • kotlin java ddd
• 2022.12.27 Prerequisites for Refactoring

  • refactoring
• 2022.12.23 Stream Processing

  Message Broker and Event Sourcing

  • msa ddd
• 2022.12.21 TroubleShooting

  • troubleshooting
• 2022.12.21 Architecture

  • architecture
• 2022.12.21 eXtended Architecture

  Distributed Transaction and Consensus Algorithm

  • msa architecture dod distributed database
• 2022.12.19 Generics

  • kotlin java
• 2022.12.16 Continuation Passing Style

  • kotlin coroutine fsm
• 2022.12.14 Callback and Reactive Streams

  • designpattern kotlin
• 2022.12.12 OpenAPI Specification implementation by Swagger and RestDocs

  • spring swagger restdocs
• 2022.12.11 Guava Preconditions

  • kotlin java
• 2022.12.08 Response and Exception Handling

  ControllerAdvice, ExceptionHandler and ResponseBodyAdvice

  • spring
• 2022.12.07 Remove high coupling between Contexts through Event

  이벤트와 컨텍스트간의 강결합

  • ddd msa
• 2022.12.05 Anticorruption Layer

  • ddd
• 2022.12.04 BoundedContext

  • ddd
• 2022.12.02 Cascade

  Referential Integrity and Cascade

  • database jpa
• 2022.12.01 Knowledge

  Knowledge 를 반복하여 사용하지 말라

  • cleancode kotlin
• 2022.11.29 Intercepting Filter Pattern

  Core J2EE Patterns - Intercepting Filter

  • designpattern
• 2022.11.27 Mapstruct

  • java kotlin mapstruct
• 2022.11.25 Mapped Diagnostic Context

  • logging spring java
• 2022.11.22 GMT, UTC and Date API

  Date, Calendar, LocalDateTime, ZoneDateTime

  • java kotlin spring
• 2022.11.20 Jackson

  • spring java kotlin
• 2022.11.19 Mobile Web, WebApp, NativeApp, HybridApp

  • glossary
• 2022.11.18 Nested Class

  Nested Class and Inner Class

  • kotlin java
• 2022.11.15 Sealed

  Sealed Class and Sealed Interface

  • kotlin
• 2022.11.12 BigDecimal

  • java
• 2022.11.06 Difference Between save and saveAndFlush

  • spring jpa
• 2022.11.05 Entity Versioning

  Optimistic Lock with version columns

  • spring jpa
• 2022.11.02 Message and Internationalization

  • spring internationalization
• 2022.10.30 OpenAPI Specification

  • spring swagger restdocs
• 2022.10.28 Automotive Sensor and Telsa Vision

  • mobility
• 2022.10.25 RelaxedMockk

  • kotlin mockk test
• 2022.10.23 Validation

  • spring
• 2022.10.22 TransactionManager

  스프링 트랜잭션 매니저

  • spring database
• 2022.10.21 Architecture, Stability, and Productivity

  • artifact
• 2022.10.20 Netty

  • spring netty reactive
• 2022.10.19 Jdk Vendors

  • java
• 2022.10.18 Equality

  코틀린과 자바의 식별성과 동등성

  • kotlin java
• 2022.10.17 TrunkBasedDevelopment

  • git devops tbd
• 2022.10.16 Overengineering

  Overengineering and Yagni

  • theory
• 2022.10.15 First Class Collection

  • java kotlin fp oop
• 2022.10.14 EnableTransactionManagement

  EnableTransactionManagement Annotation

  • spring
• 2022.10.14 Exploring Java Hidden Costs

  • java
• 2022.10.13 LazyConnectionDataSourceProxy

  • spring database
• 2022.10.12 OAuth

  Open Authorization

  • auth
• 2022.10.11 Configuration Jar/BootJar in Spring Multi-module

  스프링 멀티모듈 구성 시 Jar, BootJar 옵션 설정하기

  • spring
• 2022.10.10 Kernels

  At the heart of the operating system

  • operatingsystem
• 2022.10.09 Component Scanning

  • spring
• 2022.10.08 Data Cleansing

  Foreign Key 와 Data Cleansing

  • database
• 2022.10.07 JavaBeans and Property

  JavaBeans 와 Kotlin, Java 에서의 Property

  • spring java kotlin oop
• 2022.10.07 Chain to Publisher and Subscriber

  • reactive
• 2022.10.06 Actor Model and Akka

  Akka Streams 에서의 Actor Model

  • reactive
• 2022.10.05 Reactor Pattern

  • reactive
• 2022.10.04 Duality in Reactive

  • reactive
• 2022.10.04 Iterable

  Iterable 과 for-each

  • java reactive
• 2022.10.03 Deserialize Data Class

  코틀린 Data Class 역직렬화 하기

  • kotlin
• 2022.10.02 ★ SOLID

  • oop
• 2022.10.01 Configuring a Load Test Environment with k6 + grafana + influxdb

  k6 + grafana + influxdb 를 사용하여 부하 테스트 환경 구성하기

  • infra
• 2022.09.30 Test methods for improved availability and performance

  Load Test, Stress Test, Smoke Test

  • infra performance
• 2022.09.29 Kafka - Pretending to know a little

  Kafka 조금 아는 척 하기

  • kafka
• 2022.09.28 Query Optimizing

  쿼리 최적화, 실행 계획과 인덱스

  • database
• 2022.09.27 Dockerizing

  • docker devops infra
• 2022.09.26 Inline functions

  코틀린 인라인 함수

  • kotlin
• 2022.09.25 Lambda

  코틀린 람다

  • kotlin
• 2022.09.24 First Citizen

  Higher-Order Functions

  • kotlin java fp
• 2022.09.22 Kubernetes Architectures

  쿠버네티스 구성요소와 아키텍처

  • kubernetes devops infra
• 2022.09.21 Docker Container

  도커 컨테이너 이해하기

  • docker devops infra
• 2022.09.21 Theory

  • theory
• 2022.09.21 Refactoring

  • refactoring
• 2022.09.21 Mobility

  • mobility
• 2022.09.20 KSP

  Kotlin Symbol Processing and Compiler Plugins

  • kotlin ksp sam
• 2022.09.20 Companion Object

  동반 객체

  • kotlin
• 2022.09.19 Utility Class in Kotlin

  코틀린에서의 유틸 클래스

  • kotlin
• 2022.09.18 Spring Security

  • spring security
• 2022.09.15 Mockk

  Mockk 를 활용한 테스트

  • kotlin mockk test
• 2022.09.12 Deployment Strategy

  Rolling Update, Blue-Green, Canary

  • infra devops
• 2022.09.10 Standard Gradle

  All about gradle

  • buildtool gradle kotlin
• 2022.09.08 javaagent

  • java
• 2022.09.05 Build Tool

  • buildtool
• 2022.09.05 CI/CD

  Continuous Integration, Delivery, Deployment

  • infra devops cicd
• 2022.09.01 Backpressure

  • reactive
• 2022.09.01 Operating System

  • operatingsystem
• 2022.08.28 Data Oriented Design

  • dod
• 2022.08.26 gRPC

  • grpc
• 2022.08.25 Kubernetes

  • kubernetes
• 2022.08.21 Declarative Transaction

  • spring database jpa proxy
• 2022.08.21 Kafka

  • kafka
• 2022.08.20 Reactive

  • reactive
• 2022.08.20 Magazine

  • magazine
• 2022.08.20 Docker

  • docker
• 2022.08.19 Similar Terminology Theorem

  • glossary
• 2022.08.18 Spring Framework Batch

  • spring batch
• 2022.08.07 Concurrency Resolution

  • spring concurrency redis lock troubleshooting
• 2022.08.06 Factory

  DDD 에서의 Factory

  • ddd
• 2022.08.05 HTTP API Response Specification

  HTTP API 응답 체계

  • http
• 2022.08.04 Graceful shutdown

  • spring
• 2022.08.03 STRATEGY

  • designpattern
• 2022.08.02 Template Method

  템플릿 메서드 패턴

  • designpattern
• 2022.08.01 Surrogate Key

  대체키의 필요성과 정렬된 UUID

  • database
• 2022.07.20 Domain Service

  • ddd
• 2022.07.19 Regular Expression

  • etc
• 2022.07.18 Development Design Documents

  개발 디자인 문서 작성법

  • methodology
• 2022.07.18 Glossary

  • glossary
• 2022.07.17 Git command Cheat Sheets

  깃 명령어 모음집

  • git
• 2022.07.16 HTTP Headers

  HTTP Header 의 종류

  • http
• 2022.07.15 Public IP, Private IP, Elastic IP

  공인 IP, 사설 IP, 탄력적 IP

  • infra
• 2022.07.14 Access to EC2

  EC2 에 접속하기 with Bastion Server

  • infra
• 2022.07.13 Incident, Defect tracking

  장애 대응

  • infra
• 2022.07.12 Security Group

  Inbound, Outbound 규칙

  • infra
• 2022.07.11 How to Implementation Clean Architecture ?

  Clean Architecture 에 따른 각 Layer 의 구현 방식

  • ddd architecture
• 2022.07.10 What is a good implementation?

  좋은 구현이란

  • cleancode
• 2022.07.09 Memory Leak

  • java memoryleak
• 2022.07.08 TCP Performance

  • network tcp
• 2022.07.06 AWS Elastic Beanstalk

  • infra
• 2022.07.05 Git Internal

  .git 내부 구조 파헤치기

  • git
• 2022.07.04 Git basic

  깃 기초

  • git
• 2022.07.03 JDBC

  Connection Pool, HikariCP, TCP 3-way Handshake

  • spring
• 2022.07.02 TCP Health Check

  네트워크 상태 확인하기

  • network
• 2022.07.01 USE methodology

  • methodology
• 2022.06.29 Availability and Performance

  가용성과 성능

  • infra
• 2022.06.28 Serverless

  Amazon API Gateway, AWS Lambda

  • infra
• 2022.06.27 Load Test

  부하 테스트

  • infra
• 2022.06.26 Web Performance Budget

  웹 성능 예산

  • infra
• 2022.06.25 Web Page Test

  • infra
• 2022.06.24 Performance and Revenue

  고객 창출과 고객 만족

  • infra
• 2022.06.23 Internet Gateway vs NAT Gateway

  • infra
• 2022.06.22 bashrc, profile, hosts

  • infra
• 2022.06.21 Git

  • git
• 2022.06.21 Real-time Web Communication

  Polling, Long-Polling, WebSockets, Server-Sent Events

  • network
• 2022.06.20 Reverse Proxy

  • infra proxy
• 2022.06.18 Coroutines

  • kotlin coroutine
• 2022.06.17 Kotlin Simple Syntax

  코틀린이 간결한 구문을 지원하는 방법

  • kotlin
• 2022.06.16 Bastion Server

  • infra
• 2022.06.14 How to prevent SQL Injection In Spring Framework

  Spring, JPA 에서 SQL Injection 을 방어하는 방법

  • spring
• 2022.06.11 Docker Container

  • infra
• 2022.06.10 HTTP status codes used by world-famous APIs

  • http
• 2022.06.09 VPC and Subnet

  • infra
• 2022.06.08 Collision Domain

  • infra
• 2022.06.07 Network Segmentation

  망 분리

  • infra
• 2022.06.06 Cloud

  • infra
• 2022.06.05 The Road to the New Kotlin Compiler K2

  • kotlin
• 2022.06.04 Source Code and Machine Code

  • kotlin
• 2022.06.03 Reactive Manifesto

  리액티브 선언문

  • msa reactive
• 2022.06.02 Fault Tolerance

  • msa distributed resilience4j
• 2022.06.01 JWT

  • auth jwt
• 2022.05.29 Polyglot Persistence

  • msa
• 2022.05.28 Infrastructure as Code

  • msa
• 2022.05.28 Business Agility

  비지니스 민첩성

  • msa
• 2022.05.27 Express

  • nodejs
• 2022.05.23 Considerations for Queries and Indexing

  쿼리와 인덱스 작성시 고려해야할 점

  • database
• 2022.05.22 Spring Data Repository

  • spring
• 2022.05.22 Recursion and Memoization

  스택과 재귀, 자바와 코틀린에서의 꼬리 재귀

  • datastructures stack
• 2022.05.21 Progression and Range

  • kotlin
• 2022.05.21 Open range and Close Range

  열린 범위와 닫힌 범위

  • kotlin
• 2022.05.20 Cookie, Session, Storage

  • http
• 2022.05.20 Event Loop and Call Stack in JS

  • javascript
• 2022.05.19 Execution of Java Program

  자바 프로그램이 실행되는 과정

  • java
• 2022.05.18 Environment Settings

  • etc
• 2022.05.17 Async Annotation

  • spring
• 2022.05.16 Character Encoding

  • etc
• 2022.05.09 Singleton

  코틀린에서의 싱글톤과 자바의 싱글톤

  • designpattern
• 2022.05.02 HikariCP

  • database
• 2022.05.01 Aggregate

  • ddd
• 2022.04.29 ★ Fundamental Object-Oriented Programming

  • oop
• 2022.04.27 Infra

  • http
• 2022.04.24 Network Layered Architectures

  • network tcp
• 2022.04.22 Index

  • database
• 2022.04.21 Auth

  AuthN, AuthR

  • auth
• 2022.04.21 Javascript

  • javascript
• 2022.04.20 Slf4j, Logback

  • logging spring java
• 2022.04.20 HTTP

  • http
• 2022.04.19 Microservice Architecture

  • msa
• 2022.04.19 ETC

  • etc
• 2022.04.18 Software Development Methodology

  • methodology test
• 2022.04.18 Java

  • java
• 2022.04.18 Kotlin Philosophy

  코틀린의 철학

  • kotlin
• 2022.04.17 NodeJS

  • nodejs
• 2022.04.17 Clean Code Guide

  클린 코드 작성 가이드

  • cleancode
• 2022.04.17 Dependency Injection

  • spring
• 2022.04.17 PSA

  Portable Service Abstraction

  • spring test
• 2022.04.17 Deep Dive Spring Converter, Formatter

  • spring
• 2022.04.17 Concurrency

  Concurrency Issue

  • spring concurrency
• 2022.04.16 DDD Meaning

  DDD 관련 인용문

  • ddd
• 2022.04.16 POJO

  Spring Philosophy

  • spring java kotlin oop
• 2022.04.16 Extreme Programming

  • methodology xp
• 2022.04.16 Sequence vs Iterable

  코틀린의 Sequence 와 Iterable 비교

  • kotlin
• 2022.04.15 DESIGNPATTERN

  • designpattern
• 2022.04.13 Network

  네트워크

  • spring
• 2022.04.12 Object Oriented Programming

  • oop
• 2022.04.12 Code Quality

  • cleancode
• 2022.04.12 DataStructures

  • datastructures
• 2022.04.12 Database

  데이터베이스

  • database
• 2022.04.12 Kotlin

  코틀린

  • kotlin
• 2022.04.12 Spring Framework

  스프링 프레임워크

  • spring
• 2022.04.12 Methodology

  소프트웨어 개발 방법론

  • spring
• 2022.01.18 Redis

  • redis
• 2022.01.11 GPT

  ChatGPT

  • gpt
• 2022.01.01 Artifact

  • artifact
• 2019.11.04 MathJax로 LaTeX 사용하기

  • latex