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The Wall

Anonymous 1 day ago
Gueltige Variablenbezeichner in Java
Gueltige Variablenbezeichner in Java: Was ist erlaubt, was nicht?
Java
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polubis 8 days ago
RxJS Observables Vs Promises In JavaScript: What You Need To Know
We'll explore the differences between Observables and Promises, covering their use cases, historical context, and answering some basic questions
rxjs, observables, reactivity, promises, javascript, typescript, comparison
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polubis 21 days ago
Understanding flat routing technique
Flat routing is a technique that allows the creation of shorter URLs through which users can retrieve complex, combined data. Let’s explore this concept
seo, routing, typescript, navigation, experiments, real-case
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polubis 29 days ago
Crafting SOLID and type safe APIs in Node and TypeScript
Guidelines for creating solid architecture, stable codebase, and reliable backend APIs for cloud or on-premise solutions
solid, backend, patterns, architecture, google-cloud, aws, micro-services, typescript, node
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Anonymous about 1 month ago
Datentypen und Literale in Java
Datentypen und Literale in Java: Welche sollten Schülys kennen?
Java
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polubis about 1 month ago
Everything about barrel exports in JavaScript
Barrel exports are a common pattern in web development for organizing imports. Let’s explore their pros and cons to understand them better
performance, patterns, barrel-exports, webpack, bundlers
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polubis 2 months ago
Searching for the Holy Grail in validation world
We'll compare the top 5 validation libraries that are used by the community, and try to determine which one is the best for developers and users
zod, joi, yup, class-validator, superstruct, validation, libraries, comparison
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polubis 2 months ago
Creating own state manager for React
Let's try to implement our state manager. It will be similar to Zustand, with some changes. All done to understand the useSyncExternalStore hook
react, zustand, state-management, practice, typescript, advanced, hooks
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polubis 2 months ago
Dependency injection does not need to be complex
We'll dive into the most important topics of Dependency Injection and explore concepts like DI Container, DI Tokens, and Hierarchical DI
angular, react, techniques, clean-code, maintenance, quality, stories
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polubis 3 months ago
Reflections on test coverage in web development
Test coverage is just a metric, an additional piece of information. However, in my opinion, it should not be enforced - I'll give you reasons why
tech-dept, maintenance, jest, code-quality, testing
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polubis 3 months ago
Putting users first in web development
Let’s dive into some mythical clean code buzzwords, disregarding user needs and pushing refactors that make the application more fragile in the long run
tech-dept, maintenance, react, stories, soft, lightweight, thoughts
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polubis 3 months ago
Dealing with tech debt in applications
A cohesive guide on how tech debt is created, tracked, and managed, featuring shared perspectives and experiences from various projects
code-quality, maintenance, tech-dept, processes, stories
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polubis 3 months ago
Consider using type imports in TypeScript
The import "type" syntax is currently a standard in most project generators. It's good to know the benefits this syntax offers. Let's dive in
typescript, javascript, performance, optimization, daily-development, firebase, maintenance, bundlers
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polubis 4 months ago
Ugly relationship between tuples in TypeScript and JavaScript
Let's check what a tuple really is and how it's possible that it works according to the definition in TypeScript, but not in JavaScript
javascript, typescript, typesafety, type-inference, swift, tuples, data-structures, generics
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polubis 4 months ago
Inferring iterables with TypeScript
We'll learn how the infer mechanism works in TypeScript and understand how to infer function arguments and specific array or tuple types
typescript, infer, typesafety, mapped-types, type-magic
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polubis 4 months ago
Command Query Separation principle
Command Query Separation is a handy principle that separates logic into commands, which modify, and queries, which read. We'll explain its impact on the codebase
javascript, typescript, principles, patterns, code-quality, practices, clean-code
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polubis 5 months ago
Mediator pattern in TypeScript
The Mediator is a behavioral design pattern that reduces coupling and dependencies between application modules or classes. Let's understand and implement it
design-patterns, mediator, typescript, javascript, practices, relationships, refactors
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polubis 5 months ago
Writing a parsing utility for Zod
We'll parse schemas with the "Zod" library, investigate how we can reduce the amount of boilerplate, and make our parsing logic consistent
zod, validation, type-safety, error-management, backend, typescript
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polubis 5 months ago
Dealing with property is not matching index signature
Let's solve common error: "Property is not matching index signature". We'll learn how to create type definitions for complex objects
typescript, techniques, type-definitions, common-problems
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polubis 6 months ago
All about JavaScript promises
We'll explore JavaScript Promises, covering their theory, APIs, useful methods, and tricks to master them efficiently
javascript, typescript, promises, language, syntax, theory, full-guide
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polubis about 1 month ago
Everything about barrel exports in JavaScript
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polubis 6 months ago
Mapped types in TypeScript
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polubis 6 months ago
All about JavaScript promises
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