Канал: Christopher Okhravi

When Microsoft Violated Liskov Substitution Principle in .NET

When Microsoft Violated Liskov Substitution Principle in .NET

Liskov Substitution Principle

Liskov Substitution Principle

8 Wastes of Lean (for Software Developers)

8 Wastes of Lean (for Software Developers)

Only Use Inheritance If You Want Both of These

Only Use Inheritance If You Want Both of These

7 Tips to Grow as a Developer

7 Tips to Grow as a Developer

Depend on Abstractions not Concretions (Framework)

Depend on Abstractions not Concretions (Framework)

3 Reasons WHY Waterfall Doesn't Work

3 Reasons WHY Waterfall Doesn't Work

They Knew Waterfall Didn't Work

They Knew Waterfall Didn't Work

Always Use Interfaces #shorts

Always Use Interfaces #shorts

Always Use Interfaces

Always Use Interfaces

3 Ideas on Refactoring

3 Ideas on Refactoring

Variance and Fruits

Variance and Fruits

Covariance and Contravariance

Covariance and Contravariance

Should I use polymorphism? #shorts

Should I use polymorphism? #shorts

Three strikes, then refactor #shorts

Three strikes, then refactor #shorts

3 Ideas on Refactoring by Martin Fowler

3 Ideas on Refactoring by Martin Fowler

The Square-Rectangle Problem

The Square-Rectangle Problem

The Only Time You Should Use Polymorphism

The Only Time You Should Use Polymorphism

Object Oriented Programming – Lecture 2 – Paradigms, Types, Compilation, Purity, Programs

Object Oriented Programming – Lecture 2 – Paradigms, Types, Compilation, Purity, Programs

Object Oriented Programming – Lecture 1 – Overview of contents

Object Oriented Programming – Lecture 1 – Overview of contents

My Vim Setup #2 (Mappings / Custom shortcuts)

My Vim Setup #2 (Mappings / Custom shortcuts)

My Vim Setup #1 (Job Control)

My Vim Setup #1 (Job Control)

Reactive Programming from Scratch (JavaScript) - Ep3

Reactive Programming from Scratch (JavaScript) - Ep3

Reactive Programming from Scratch (JavaScript) - Ep2

Reactive Programming from Scratch (JavaScript) - Ep2

Reactive Programming from Scratch (JavaScript) - Ep1

Reactive Programming from Scratch (JavaScript) - Ep1

(Ep2) Mandala Maker in JavaScript (functional style)

(Ep2) Mandala Maker in JavaScript (functional style)

(Ep1) Mandala Maker in JavaScript (functional style)

(Ep1) Mandala Maker in JavaScript (functional style)

Ramda JS Tutorial – Part 40 (filter)

Ramda JS Tutorial – Part 40 (filter)

Todo App in Vue.js – The Hard Way (Ep18)

Todo App in Vue.js – The Hard Way (Ep18)

Todo App in Vue.js – The Hard Way (Ep17)

Todo App in Vue.js – The Hard Way (Ep17)

Vue.js – The Hard Way (Ep16)

Vue.js – The Hard Way (Ep16)

Vue.js – The Hard Way (Ep15)

Vue.js – The Hard Way (Ep15)

Vue.js – The Hard Way (Ep14)

Vue.js – The Hard Way (Ep14)

Vue.js – The Hard Way (Ep13)

Vue.js – The Hard Way (Ep13)

Ramda JS Tutorial – Part 39 (T, F)

Ramda JS Tutorial – Part 39 (T, F)

Vue.js – The Hard Way (Ep12)

Vue.js – The Hard Way (Ep12)

Vue.js – The Hard Way (Ep11)

Vue.js – The Hard Way (Ep11)

Ramda JS Tutorial – Part 39 (evolve)

Ramda JS Tutorial – Part 39 (evolve)

How To Read Function Type Signatures

How To Read Function Type Signatures

Vue.js – The Hard Way (Ep10)

Vue.js – The Hard Way (Ep10)

Ramda JS Tutorial – Part 38 (equality)

Ramda JS Tutorial – Part 38 (equality)

Ramda JS Tutorial – Part 37 (endsWith + startsWith)

Ramda JS Tutorial – Part 37 (endsWith + startsWith)

Vue.js – The Hard Way (Ep9)

Vue.js – The Hard Way (Ep9)

Vue.js – The Hard Way (Ep8)

Vue.js – The Hard Way (Ep8)

Kilimanjaro Packing List

Kilimanjaro Packing List

Ramda JS Tutorial – Part 36 (empty + Monoid + Semigroup)

Ramda JS Tutorial – Part 36 (empty + Monoid + Semigroup)

Observer Pattern (in C#.NET) Screencast – OO Design Patterns Screencasts (Ep5)

Observer Pattern (in C#.NET) Screencast – OO Design Patterns Screencasts (Ep5)

Vue.js – The Hard Way (Ep7)

Vue.js – The Hard Way (Ep7)

Vue.js – The Hard Way (Ep6)

Vue.js – The Hard Way (Ep6)

Ramda JS Tutorial – Part 35 (either, or, both, and) (2/2)

Ramda JS Tutorial – Part 35 (either, or, both, and) (2/2)

Learn Programming – Questions & Answers #12

Learn Programming – Questions & Answers #12

Ramda JS Tutorial – Part 34 (either, or, both, and) (1/2)

Ramda JS Tutorial – Part 34 (either, or, both, and) (1/2)

Vue.js – The Hard Way (Ep5)

Vue.js – The Hard Way (Ep5)

Functional Programming, How to Start? – Questions & Answers #11

Functional Programming, How to Start? – Questions & Answers #11

What should I study at University? – Questions & Answers #10

What should I study at University? – Questions & Answers #10

Vue.js – The Hard Way (Ep4)

Vue.js – The Hard Way (Ep4)

Ramda JS Tutorial – Part 33 (dropRepeats, dropRepeatsWith)

Ramda JS Tutorial – Part 33 (dropRepeats, dropRepeatsWith)

Vue.js – The Hard Way (Ep3)

Vue.js – The Hard Way (Ep3)

Practice vs Theory? Books vs Tutorials? Become a Web Dev. Questions & Answers #9

Practice vs Theory? Books vs Tutorials? Become a Web Dev. Questions & Answers #9

Vue.js – The Hard Way (Ep2)

Vue.js – The Hard Way (Ep2)

Observer Pattern (in C#.NET) Screencast – OO Design Patterns Screencasts (ep 4)

Observer Pattern (in C#.NET) Screencast – OO Design Patterns Screencasts (ep 4)

Ramda JS Tutorial – Part 32 (drop, take)

Ramda JS Tutorial – Part 32 (drop, take)

Vue.js – The Hard Way (Ep1)

Vue.js – The Hard Way (Ep1)

Ramda JS Tutorial – Part 31 (divide, multiply)

Ramda JS Tutorial – Part 31 (divide, multiply)

Ramda JS Tutorial – Part 30 (difference, intersection, union, symmetric difference)

Ramda JS Tutorial – Part 30 (difference, intersection, union, symmetric difference)

Ramda JS Tutorial – Part 29 (defaultTo)

Ramda JS Tutorial – Part 29 (defaultTo)

Observer Pattern Screencast – OO Design Patterns Screencasts (ep 3)

Observer Pattern Screencast – OO Design Patterns Screencasts (ep 3)

Collaborate with Interfaces and Contracts? Questions & Answers #8

Collaborate with Interfaces and Contracts? Questions & Answers #8

Politics or Programming (for making the world better)? Questions & Answers #7

Politics or Programming (for making the world better)? Questions & Answers #7

Ramda JS Tutorial – Part 28 (inc, dec)

Ramda JS Tutorial – Part 28 (inc, dec)

Strategy Pattern (in real life) Screencast – OO Design Patterns Screencasts (ep 2)

Strategy Pattern (in real life) Screencast – OO Design Patterns Screencasts (ep 2)

Build IoT apps with OO Design Patterns? Questions & Answers #6

Build IoT apps with OO Design Patterns? Questions & Answers #6

Ramda JS Tutorial – Part 27 (curry)

Ramda JS Tutorial – Part 27 (curry)

Ramda JS Tutorial – Part 26 (countBy)

Ramda JS Tutorial – Part 26 (countBy)

Ramda JS Tutorial – Part 25 (converge)

Ramda JS Tutorial – Part 25 (converge)

Ramda JS Tutorial – Part 24 (contains)

Ramda JS Tutorial – Part 24 (contains)

Strategy Pattern Screencast – OO Design Patterns Screencasts (ep 1)

Strategy Pattern Screencast – OO Design Patterns Screencasts (ep 1)

No Math, No Money – Can I Become a programer? Questions & Answers #5

No Math, No Money – Can I Become a programer? Questions & Answers #5

Ramda JS Tutorial – Part 23 (construct, constructN)

Ramda JS Tutorial – Part 23 (construct, constructN)

Ramda JS Tutorial – Part 22 (cond / switch case)

Ramda JS Tutorial – Part 22 (cond / switch case)

Coding a File Uploader Library – Questions & Answers #4

Coding a File Uploader Library – Questions & Answers #4

Ramda JS Tutorial – Part 21 (Semigroup and Concat)

Ramda JS Tutorial – Part 21 (Semigroup and Concat)

How To Write Just Enough Tests? – Questions and Answers #3

How To Write Just Enough Tests? – Questions and Answers #3

Ramda JS Tutorial – Part 20 (composeP, pipeP)

Ramda JS Tutorial – Part 20 (composeP, pipeP)

Ramda JS Tutorial – Part 19 (compose and pipe)

Ramda JS Tutorial – Part 19 (compose and pipe)

Ramda JS Tutorial – Part 18 (complement)

Ramda JS Tutorial – Part 18 (complement)

Ramda JS Tutorial – Part 17 (comparator)

Ramda JS Tutorial – Part 17 (comparator)

Ramda JS Tutorial – Part 16 (clone)

Ramda JS Tutorial – Part 16 (clone)

Ask A Programmer – Get Video Response

Ask A Programmer – Get Video Response

Coding Snake in Functional JavaScript (Part 3)

Coding Snake in Functional JavaScript (Part 3)

Coding Snake in Functional JavaScript (Part 2)

Coding Snake in Functional JavaScript (Part 2)

Coding Snake in Functional JavaScript (Part 1)

Coding Snake in Functional JavaScript (Part 1)

Ramda JS Tutorial – Part 15 (clamp)

Ramda JS Tutorial – Part 15 (clamp)

Ramda JS Tutorial – Part 14 (chain and monads)

Ramda JS Tutorial – Part 14 (chain and monads)

Ramda JS Tutorial – Part 13 (call, converge)

Ramda JS Tutorial – Part 13 (call, converge)

Ramda JS Tutorial – Part 12 (both, flip)

Ramda JS Tutorial – Part 12 (both, flip)

Ramda JS Tutorial – Part 11 (bind, call, apply)

Ramda JS Tutorial – Part 11 (bind, call, apply)

Ramda JS Tutorial – Part 10 (binary, unary, nAry)

Ramda JS Tutorial – Part 10 (binary, unary, nAry)

Ramda JS Tutorial – Part 9 (assoc, dissoc, assocPath, dissocPath)

Ramda JS Tutorial – Part 9 (assoc, dissoc, assocPath, dissocPath)

Ramda JS Tutorial – Part 8 (ascend, descend, sort)

Ramda JS Tutorial – Part 8 (ascend, descend, sort)

Ramda JS Tutorial – Part 7 (applySpec, applyTo)

Ramda JS Tutorial – Part 7 (applySpec, applyTo)

Ramda JS Tutorial – Part 6 (aperture, append, apply, unapply)

Ramda JS Tutorial – Part 6 (aperture, append, apply, unapply)

Ramda JS Tutorial – Part 5 (ap)

Ramda JS Tutorial – Part 5 (ap)

Ramda JS Tutorial – Part 4 (always, and, any, anyPass)

Ramda JS Tutorial – Part 4 (always, and, any, anyPass)

Ramda JS Tutorial – Part 3 (all, allPass)

Ramda JS Tutorial – Part 3 (all, allPass)

Ramda JS Tutorial – Part 2 (addIndex, adjust)

Ramda JS Tutorial – Part 2 (addIndex, adjust)

Ramda JS Tutorial – Part 1 (__, curry, add)

Ramda JS Tutorial – Part 1 (__, curry, add)

Ramda JS – An Introduction

Ramda JS – An Introduction

Currying & Parameter Ordering | Code Walks 064

Currying & Parameter Ordering | Code Walks 064

ReasonML – An introduction to

ReasonML – An introduction to

🎓 Is University Worth It? (For Programmers) — Interviews #2

🎓 Is University Worth It? (For Programmers) — Interviews #2

Make The World Better | Code Walks 063

Make The World Better | Code Walks 063

Null Object Pattern – Design Patterns (ep 18)

Null Object Pattern – Design Patterns (ep 18)

State Pattern – Design Patterns (ep 17)

State Pattern – Design Patterns (ep 17)

Best Books 2017

Best Books 2017

Iterator Pattern – Design Patterns (ep 16)

Iterator Pattern – Design Patterns (ep 16)

Difference Between Composite and Decorator Pattern – Design Patterns (ep 15)

Difference Between Composite and Decorator Pattern – Design Patterns (ep 15)

Composite Pattern – Design Patterns (ep 14)

Composite Pattern – Design Patterns (ep 14)

Template Method Pattern – Design Patterns (ep 13)

Template Method Pattern – Design Patterns (ep 13)

Highlights from Uppstart 2017 (tech conference)

Highlights from Uppstart 2017 (tech conference)

Interview Tips For Programmers (from IT consultant Markus Ånöstam) — Interviews #1

Interview Tips For Programmers (from IT consultant Markus Ånöstam) — Interviews #1

Liskov's Substitution Principle | SOLID Design Principles (ep 1 part 1)

Liskov's Substitution Principle | SOLID Design Principles (ep 1 part 1)

DWIM vs Robustness Principle | Code Walks 062

DWIM vs Robustness Principle | Code Walks 062

Robustness Principle Is WRONG? | Code Walks 061

Robustness Principle Is WRONG? | Code Walks 061

Structural Patterns (comparison) – Design Patterns (ep 12)

Structural Patterns (comparison) – Design Patterns (ep 12)

Questions & Answers #2

Questions & Answers #2

Bridge Pattern – Design Patterns (ep 11)

Bridge Pattern – Design Patterns (ep 11)

Top 3 Ideas in Programming | Code Walks 060

Top 3 Ideas in Programming | Code Walks 060

Proxy Pattern – Design Patterns (ep 10)

Proxy Pattern – Design Patterns (ep 10)

Questions & Answers #1

Questions & Answers #1

Facade Pattern – Design Patterns (ep 9)

Facade Pattern – Design Patterns (ep 9)

Go Full Circle | Code Walks 059

Go Full Circle | Code Walks 059

Adapter Pattern – Design Patterns (ep 8)

Adapter Pattern – Design Patterns (ep 8)

Don't Fear Deleting code | Code Walks 058

Don't Fear Deleting code | Code Walks 058

Command Pattern – Design Patterns (ep 7)

Command Pattern – Design Patterns (ep 7)

Singleton Pattern – Design Patterns (ep 6)

Singleton Pattern – Design Patterns (ep 6)

Abstract Factory Pattern – Design Patterns (ep 5)

Abstract Factory Pattern – Design Patterns (ep 5)

Factory Method Pattern – Design Patterns (ep 4)

Factory Method Pattern – Design Patterns (ep 4)

First Job As A Programmer? How To

First Job As A Programmer? How To

Decorator Pattern – Design Patterns (ep 3)

Decorator Pattern – Design Patterns (ep 3)

Observer Pattern – Design Patterns (ep 2)

Observer Pattern – Design Patterns (ep 2)

VR Programming & The Desk Generation | Code Walks 057

VR Programming & The Desk Generation | Code Walks 057

Message Obsession | Code Walks 056

Message Obsession | Code Walks 056

Primitive Obsession | Code Walks 055

Primitive Obsession | Code Walks 055

Bash Programming & The UNIX Chainsaw | Code Walks 054

Bash Programming & The UNIX Chainsaw | Code Walks 054

Strategy Pattern – Design Patterns (ep 1)

Strategy Pattern – Design Patterns (ep 1)

Perfect Software & Time Value of Money | Code Walks 053

Perfect Software & Time Value of Money | Code Walks 053

Agile Manifesto 4/4 – Responding To Change Over Following A Plan | Code Walks 052

Agile Manifesto 4/4 – Responding To Change Over Following A Plan | Code Walks 052

Agile Manifesto 3/4 – Customer Collaboration Over Contract Negotiation | Code Walks 051

Agile Manifesto 3/4 – Customer Collaboration Over Contract Negotiation | Code Walks 051

Agile Manifesto 2/4 – Working Software over Comprehensive Documentation | Code Walks 050

Agile Manifesto 2/4 – Working Software over Comprehensive Documentation | Code Walks 050

Agile Manifesto 1/4 – Individuals & Interactions Over Processes & Tools | Code Walks 049

Agile Manifesto 1/4 – Individuals & Interactions Over Processes & Tools | Code Walks 049

FIXED PRICE Software Development | Code Walks 048

FIXED PRICE Software Development | Code Walks 048

Diagrams Aren't Evil | Code Walks 047

Diagrams Aren't Evil | Code Walks 047

Minimum Viable Product (MVP) | Code Walks 046

Minimum Viable Product (MVP) | Code Walks 046

Replace Conditional With Polymorphism & Primitive Obsession | Code Walks 045

Replace Conditional With Polymorphism & Primitive Obsession | Code Walks 045

Emergence Necessitates Mocking | Code Walks 044

Emergence Necessitates Mocking | Code Walks 044

Downcasting Is A Code Smell | Code Walks 043

Downcasting Is A Code Smell | Code Walks 043

LICENSE TO CODE (The future of programming) | Code Walks 042

LICENSE TO CODE (The future of programming) | Code Walks 042

Static/Dynamic & Explicit/Implicit | Code Walks 041

Static/Dynamic & Explicit/Implicit | Code Walks 041

E-type, P-type, S-type Systems (Lehman) | Code Walks 040

E-type, P-type, S-type Systems (Lehman) | Code Walks 040

Never Rewrite Code (open/closed principle) | Code Walks 039

Never Rewrite Code (open/closed principle) | Code Walks 039

Command Query Separation & Events | Code Walks 038

Command Query Separation & Events | Code Walks 038

Classicist vs Mockist Testing | Code Walks 036

Classicist vs Mockist Testing | Code Walks 036

High Level Iterators replace Foreach | Code Walks 035

High Level Iterators replace Foreach | Code Walks 035

Testing VS Checking | Code Walks 034

Testing VS Checking | Code Walks 034

Smallest possible change | Code Walks 033

Smallest possible change | Code Walks 033

Vague Requirements | Code Walks 032

Vague Requirements | Code Walks 032

Replace foreach with map | Code Walks 031

Replace foreach with map | Code Walks 031

Code Smells vs Anti-patterns | Code Walks 030

Code Smells vs Anti-patterns | Code Walks 030

Don't mix CONSTRUCTION with USE | Code Walks 029

Don't mix CONSTRUCTION with USE | Code Walks 029

Data Clumps | Code Walks 028

Data Clumps | Code Walks 028

Type Checking and Coupling to Concretions | Code Walks 027

Type Checking and Coupling to Concretions | Code Walks 027

The SCAM part of Integration tests | Code Walks 026

The SCAM part of Integration tests | Code Walks 026

Command Query Separation (CQS) | Code Walks 025

Command Query Separation (CQS) | Code Walks 025

Sliming in TDD (Fake it 'til you make it) | Code Walks 024

Sliming in TDD (Fake it 'til you make it) | Code Walks 024

Interface Segregation Principle (SOLID) | Code Walks 023

Interface Segregation Principle (SOLID) | Code Walks 023

Iterator Pattern Example in C# | Code Walks 022

Iterator Pattern Example in C# | Code Walks 022

The BEST Code Comments | Code Walks 021

The BEST Code Comments | Code Walks 021

Map: Functional Programming in JavaScript

Map: Functional Programming in JavaScript

VIM was so amazing! | Why VIM? 001

VIM was so amazing! | Why VIM? 001

Better than a TERMINAL in a TEXT EDITOR | Why Vim? 002

Better than a TERMINAL in a TEXT EDITOR | Why Vim? 002

Why functional programs parallelise better | Code Walks 007

Why functional programs parallelise better | Code Walks 007

Single Responsibility Principle (SOLID) | A single reason to change — Code Walks 006

Single Responsibility Principle (SOLID) | A single reason to change — Code Walks 006

Dependency Inversion - how, what, why? (examples in C#) | Code Walks 004

Dependency Inversion - how, what, why? (examples in C#) | Code Walks 004

Unit vs Integration testing — what's the difference? | Code Walks 005

Unit vs Integration testing — what's the difference? | Code Walks 005

PREMATURE abstraction is NOT premature | Code Walks 010

PREMATURE abstraction is NOT premature | Code Walks 010

Are static functions like functional programming? | Code Walks 008

Are static functions like functional programming? | Code Walks 008

DUCK TYPING | Code Walks 009

DUCK TYPING | Code Walks 009

Tell Don't Ask | Code Walks 011

Tell Don't Ask | Code Walks 011

Code like prose | Code Walks 013

Code like prose | Code Walks 013

Proxy vs Adapter vs Facade Pattern | Code Walks 012

Proxy vs Adapter vs Facade Pattern | Code Walks 012

Law of Demeter | Code Walks 014

Law of Demeter | Code Walks 014

Statics are Globals | Code Walks 002

Statics are Globals | Code Walks 002

Tell Don't Ask and Control Coupling | Code Walks 015

Tell Don't Ask and Control Coupling | Code Walks 015

Design Patterns in Dynamic Languages | Code Walks 016

Design Patterns in Dynamic Languages | Code Walks 016

Liskov Substitution Principle (SOLID), The Robustness Principle, and DbC | Code Walks 018

Liskov Substitution Principle (SOLID), The Robustness Principle, and DbC | Code Walks 018

Type Checking is a Code Smell | Code Walks 017

Type Checking is a Code Smell | Code Walks 017

INTEGRATION TESTS ARE A SCAM | Code Walks 019

INTEGRATION TESTS ARE A SCAM | Code Walks 019

Verification and Validation | Code Walks 020

Verification and Validation | Code Walks 020

Abstraction is Pragmatism | Code Walks #003

Abstraction is Pragmatism | Code Walks #003