design-patterns Examples and Free Source Code

How does one override a method in order to intercept any call to this method?...

javascript function design-patterns interceptor method-modifier

C++ Singleton class - inheritance good practice...

c++oop design-patterns inheritance singleton

Java best practice for calling method overloaded for both a parent and child class...

java design-patterns

Builder patter vs Param object input...

javascript design-patterns

Threads and Observer Pattern...

java multithreading design-patterns thread-safety

How to hold a (self-captured) closure for an observer design model...

rust design-patterns closures lifetime

Saving my PDO connection as a global variable...

php design-patterns coding-style

Cross cutting concern example...

design-patterns aop cross-cutting-concerns

Passing Event specific DAO's vs Generalised DAO's...

javascript design-patterns interface dao

Programming model - Manager + Tools...

c#design-patterns

How should concrete types return an instance of an interface in a loosely-coupled way?...

c#design-patterns dependency-injection inversion-of-control loose-coupling

In PHP is it possible to reverse traverse a Traversable class to find the root object?...

php oop design-patterns

Passing keyword arguments with default values in a layered call...

python python-3.x design-patterns

Why we should consider the «Logger» class as a singleton?...

design-patterns logging singleton

Efficiently Handling Complex Conditional Business Logic in Kotlin with Spring Boot 3 & Gradle...

spring-boot kotlin gradle design-patterns business-logic

Unpack return value from length-1 tuple...

python python-3.x design-patterns tuples

Writing an async version of a method in a DRY fashion?...

c#asynchronous design-patterns stream

How can I define an Interface which includes the methods of my base class as well as the methods in ...

c#oop design-patterns dependency-injection

DDD with EF Core(DTO, Business, Etc)...

asp.net entity-framework rest design-patterns domain-driven-design

Composition vs. Aggregation: Ownership of the contained object being reused in other containing obje...

oop design-patterns aggregation composition

Why do we use factory class to instantiate interface...

java design-patterns factory-pattern

Is it better to have different models for saving vs loading?...

design-patterns model

How do you idiomatically implement a nontrivial typestate pattern in Rust?...

rust design-patterns

C++ Design Pattern library?...

c++oop design-patterns c++11 libraries

Circular dependencies of declarations...

c++design-patterns

Importmap for Rails with JS Module Pattern Error: "net::ERR_ABORTED 404 (Not Found)"...

javascript ruby-on-rails design-patterns assets import-maps

Does the Prototype pattern violate the Liskov substitution principle?...

java design-patterns liskov-substitution-principle prototype-pattern

Pattern for UI: Same object, displayed differently...

c#asp.net-mvc user-interface design-patterns

Define/design these related Postgres tables in my Prisma schema...

database postgresql design-patterns database-design prisma

CQRS pattern, but Command function require some Query function...

design-patterns nestjs cqrs