TechPulse / Practical technology
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Developer guides, useful AI explainers, and hardware buying advice. Find your next answer.
Programming
Docker Security Guide 2026: Hardening, Scanning and Runtime Protection
Complete Docker security guide 2026 — non-root users, image scanning with Trivy, secrets management, read-only filesystem, capabilities and network isolation.
Programming
tRPC Complete Guide 2026: Type-Safe APIs with Next.js and React Query
Master tRPC in 2026 — end-to-end type-safe APIs with Next.js App Router, Zod validation, React Query integration and real-time subscriptions.
Programming
Python Regex Complete Guide 2026: Patterns, Groups and Real-World Use
Master Python regex in 2026 — re module functions, capturing groups, lookahead/lookbehind, flags and real-world patterns for email, URLs and parsing.
Programming
Vue 3 Complete Guide 2026: Composition API, Pinia and Nuxt.js
Master Vue 3 in 2026 — Composition API, script setup, refs, computed, composables, Pinia state management and comparison with React.
How-To
LangChain Tutorial 2026: RAG, Agents, Memory and Structured Output
Master LangChain v0.3 in 2026 — LCEL chains, RAG with vector stores, conversation memory, tool-calling agents and structured Pydantic output.
Programming
Python List Comprehensions and itertools Guide 2026: Patterns and Performance
Master Python list comprehensions, generator expressions and itertools in 2026 — patterns, walrus operator, groupby, accumulate, batched and real-world pipelines.
Programming
Python Type System Deep Dive 2026: PEP 695, Protocols and Generics
Deep dive into Python’s type system in 2026 — PEP 695 type statement, generic classes, Protocols, overloads, TypedDict and ParamSpec patterns.
Programming
Python Interview Questions 2026: Top 30 Questions with Answers
Python interview questions that reveal real understanding: GIL, generators, decorators, MRO, async. The difference between the answer most candidates give and the answer that gets you hired.
Programming
Kotlin Android Guide 2026: Jetpack Compose, ViewModel and Hilt
Master Kotlin Android development in 2026 — Jetpack Compose UI, ViewModel with StateFlow, Retrofit, Room database, Hilt DI and navigation.