Gabriel Anhaia

Cover image for Embeddings on the Edge: sentence-transformers vs Hosted APIs

Gabriel Anhaia

May 5

Embeddings on the Edge: sentence-transformers vs Hosted APIs

#rag #embeddings #ai #python

1

8 min read

Cover image for Building a Plugin System in Go Without `plugin`: 3 Patterns That Actually Ship

Gabriel Anhaia

May 5

Building a Plugin System in Go Without `plugin`: 3 Patterns That Actually Ship

#go #architecture #webassembly #grpc

1

7 min read

Cover image for Stage 3 vs Legacy TypeScript Decorators in a NestJS App

Gabriel Anhaia

May 5

Stage 3 vs Legacy TypeScript Decorators in a NestJS App

#typescript #nestjs #javascript #decorators

3

8 min read

Cover image for Generic-Heavy APIs Hurt Compile Times. Here Is How to Measure It

Gabriel Anhaia

May 5

Generic-Heavy APIs Hurt Compile Times. Here Is How to Measure It

#go #generics #benchmark

1

8 min read

Cover image for Mocking ESM in 2026: Vitest, Bun, and Node's mock.module

Gabriel Anhaia

May 5

Mocking ESM in 2026: Vitest, Bun, and Node's mock.module

#typescript #javascript #testing #webdev

1

9 min read

Cover image for LLM Response Caching: When the 80/20 Hit Rate Saves the Bill

Gabriel Anhaia

May 5

LLM Response Caching: When the 80/20 Hit Rate Saves the Bill

#ai #llm #python #redis

1

8 min read

Cover image for Stop Wrapping Errors in TypeScript. Use `cause` Instead.

Gabriel Anhaia

May 5

Stop Wrapping Errors in TypeScript. Use `cause` Instead.

#typescript #javascript #node #webdev

1

7 min read

Cover image for The 7 Anthropic API Errors That Mean Different Things in Production

Gabriel Anhaia

May 5

The 7 Anthropic API Errors That Mean Different Things in Production

#anthropic #llm #python #errors

1

8 min read

Cover image for Spring Boot to NestJS: A Mental Model for Java Developers

Gabriel Anhaia

May 5

Spring Boot to NestJS: A Mental Model for Java Developers

#typescript #java #nestjs #backend

1

8 min read

Cover image for Go's cmp.Or and cmp.Compare: Three-Way Comparison Without the Boilerplate

Gabriel Anhaia

May 5

Go's cmp.Or and cmp.Compare: Three-Way Comparison Without the Boilerplate

#go #programming #stdlib #backend

7 min read

Cover image for Reading -gcflags='-m=2' Output: What the Go Compiler Tells You About Inlining

Gabriel Anhaia

May 5

Reading -gcflags='-m=2' Output: What the Go Compiler Tells You About Inlining

#go #performance #compiler

1

9 min read

Cover image for iter.Seq in Go 1.23+: The Iterator Type Behind range-over-func

Gabriel Anhaia

May 5

iter.Seq in Go 1.23+: The Iterator Type Behind range-over-func

#go #programming #backend #tutorial

1

7 min read

Cover image for `Awaited<T>`, `ReturnType<T>`, `Parameters<T>`: When You're Reaching for the Wrong One

Gabriel Anhaia

May 5

`Awaited<T>`, `ReturnType<T>`, `Parameters<T>`: When You're Reaching for the Wrong One

#typescript #javascript #programming #webdev

9 min read

Cover image for --isolatedDeclarations: The Build-Time Win for TS Library Authors

Gabriel Anhaia

May 5

--isolatedDeclarations: The Build-Time Win for TS Library Authors

#typescript #javascript #webdev #performance

1

9 min read

Cover image for Tool-Use Latency Budget: Where the 8 Seconds Actually Go

Gabriel Anhaia

May 5

Tool-Use Latency Budget: Where the 8 Seconds Actually Go

#ai #agents #observability #opentelemetry

1

7 min read

Cover image for RAG Evaluation Beyond Recall@K: Faithfulness, Coverage, Robustness

Gabriel Anhaia

May 5

RAG Evaluation Beyond Recall@K: Faithfulness, Coverage, Robustness

#ai #rag #llm #observability

9 min read

Cover image for Stop Using `interface{}` Even in Your Generic Code

Gabriel Anhaia

May 5

Stop Using `interface{}` Even in Your Generic Code

#go #generics #programming #hottake

7 min read

Cover image for Prompt Injection Defense: 6 Patterns That Don't Rely on the Model

Gabriel Anhaia

May 5

Prompt Injection Defense: 6 Patterns That Don't Rely on the Model

#ai #security #llm #prompt

7 min read

Cover image for Bun Test vs Vitest for TypeScript Library Authors in 2026

Gabriel Anhaia

May 5

Bun Test vs Vitest for TypeScript Library Authors in 2026

#typescript #javascript #testing #webdev

9 min read

Cover image for Tagged Template Literals That Type-Check SQL: A 60-Line DSL

Gabriel Anhaia

May 5

Tagged Template Literals That Type-Check SQL: A 60-Line DSL

#typescript #javascript #programming #tutorial

8 min read

Cover image for Building Agent Memory: Episodic vs Semantic Stores

Gabriel Anhaia

May 5

Building Agent Memory: Episodic vs Semantic Stores

#ai #agents #python #postgres

8 min read

Cover image for Running go test -race in Production: Sampling Strategies That Don't Kill Throughput

Gabriel Anhaia

May 5

Running go test -race in Production: Sampling Strategies That Don't Kill Throughput

#go #concurrency #testing #performance

8 min read

Cover image for Claude Computer Use in Production: 5 Patterns That Keep Surfacing

Gabriel Anhaia

May 5

Claude Computer Use in Production: 5 Patterns That Keep Surfacing

#anthropic #ai #agents #python

1

8 min read

Cover image for Promise.withResolvers: The Pattern That Killed Half Your Deferred Helpers

Gabriel Anhaia

May 5

Promise.withResolvers: The Pattern That Killed Half Your Deferred Helpers

#typescript #javascript #node #webdev

1

9 min read

Cover image for Go's slices Package: 11 Functions That Replace Half Your Helpers

Gabriel Anhaia

May 5

Go's slices Package: 11 Functions That Replace Half Your Helpers

#go #programming #stdlib

8 min read

Cover image for Effect.ts vs Plain TypeScript: When the Algebraic Effects Earn Their Keep

Gabriel Anhaia

May 5

Effect.ts vs Plain TypeScript: When the Algebraic Effects Earn Their Keep

#typescript #functional #webdev #programming

1

8 min read

Cover image for go.work for Real Monorepos: Setup, CI Gotchas, and the Right Layout

Gabriel Anhaia

May 5

go.work for Real Monorepos: Setup, CI Gotchas, and the Right Layout

#go #monorepo #modules #tooling

7 min read

Cover image for 4 Types of Hallucinations: One Detection Pattern Per Type

Gabriel Anhaia

May 5

4 Types of Hallucinations: One Detection Pattern Per Type

#ai #llm #observability #eval

7 min read

Cover image for TypeScript's using Keyword: Explicit Resource Management for Real

Gabriel Anhaia

May 5

TypeScript's using Keyword: Explicit Resource Management for Real

#typescript #javascript #node #webdev

8 min read

Cover image for errors.Join vs Multi-Return: When to Aggregate, When to Wrap

Gabriel Anhaia

May 5

errors.Join vs Multi-Return: When to Aggregate, When to Wrap

#go #programming #backend #softwareengineering

7 min read

Cover image for Why JSON Mode Slows Your Streaming UX (And When That Tradeoff Makes Sense)

Gabriel Anhaia

May 5

Why JSON Mode Slows Your Streaming UX (And When That Tradeoff Makes Sense)

#llm #streaming #openai #anthropic

7 min read

Cover image for Streaming JSON in Go With encoding/json/v2: What's Different, What's Faster

Gabriel Anhaia

May 5

Streaming JSON in Go With encoding/json/v2: What's Different, What's Faster

#go #json #performance #backend

7 min read

Cover image for Why Your Go Microservice Spends 40% of CPU on runtime.mallocgc

Gabriel Anhaia

May 5

Why Your Go Microservice Spends 40% of CPU on runtime.mallocgc

#go #performance #benchmark

8 min read

Cover image for `Object.groupBy` and `Map.groupBy`: Stop Hand-Rolling Aggregation in 2026

Gabriel Anhaia

May 5

`Object.groupBy` and `Map.groupBy`: Stop Hand-Rolling Aggregation in 2026

#typescript #javascript #webdev #programming

9 min read

Cover image for Claude Opus 4.7 Adaptive Thinking: When the Reasoning Tokens Pay Off

Gabriel Anhaia

May 5

Claude Opus 4.7 Adaptive Thinking: When the Reasoning Tokens Pay Off

#anthropic #llm #python #benchmark

7 min read

Cover image for PHP Traits in TypeScript: 4 Idioms That Replace Them

Gabriel Anhaia

May 5

PHP Traits in TypeScript: 4 Idioms That Replace Them

#typescript #php #javascript #types

7 min read

Cover image for Why Your Production Agent Costs 5 More on Mondays (And the Fix)

Gabriel Anhaia

May 5

Why Your Production Agent Costs 5 More on Mondays (And the Fix)

#ai #agents #observability #opentelemetry

7 min read

Cover image for errgroup vs WaitGroup vs Channels: Pick the Right Concurrency Primitive

Gabriel Anhaia

May 5

errgroup vs WaitGroup vs Channels: Pick the Right Concurrency Primitive

#go #concurrency #backend #goroutines

6 min read

Cover image for Caching Pre-Computed Embeddings: TTL, Versioning, and the Cold-Start Problem

Gabriel Anhaia

May 5

Caching Pre-Computed Embeddings: TTL, Versioning, and the Cold-Start Problem

#rag #ai #embeddings #python

8 min read

Cover image for Why JSR Should Be Your Default Registry for New TypeScript Libraries in 2026

Gabriel Anhaia

May 4

Why JSR Should Be Your Default Registry for New TypeScript Libraries in 2026

#typescript #deno #bunjs #webdev

1

9 min read

Cover image for A Lock-Free Counter in Go: atomic, sync.Map, or Just a Mutex?

Gabriel Anhaia

May 4

A Lock-Free Counter in Go: atomic, sync.Map, or Just a Mutex?

#go #concurrency #benchmark

7 min read

Cover image for Function-Calling Schemas That Survive Model Upgrades

Gabriel Anhaia

May 4

Function-Calling Schemas That Survive Model Upgrades

#ai #agents #prompt #python

7 min read

Cover image for go.mod replace Directives: When They Save You and When They Trap You

Gabriel Anhaia

May 4

go.mod replace Directives: When They Save You and When They Trap You

#go #modules #monorepo #tooling

8 min read

Cover image for Train-Test Contamination in LLM Evals: How to Detect It in Your Own Set

Gabriel Anhaia

May 4

Train-Test Contamination in LLM Evals: How to Detect It in Your Own Set

#ai #llm #testing #evals

1

7 min read

Cover image for PHP Magic Methods to TypeScript Proxy: 5 Idioms That Translate

Gabriel Anhaia

May 4

PHP Magic Methods to TypeScript Proxy: 5 Idioms That Translate

#typescript #php #javascript #metaprogramming

8 min read

Cover image for From Java's Optional<T> to TypeScript: Three Idioms That Replace It Cleanly

Gabriel Anhaia

May 4

From Java's Optional<T> to TypeScript: Three Idioms That Replace It Cleanly

#typescript #java #programming #webdev

7 min read

Cover image for Test Doubles in Go Without a Mocking Framework: 4 Patterns

Gabriel Anhaia

May 4

Test Doubles in Go Without a Mocking Framework: 4 Patterns

#go #testing #architecture #programming

8 min read

Cover image for Logprobs in Production: 4 Things You Can Actually Do With Them

Gabriel Anhaia

May 4

Logprobs in Production: 4 Things You Can Actually Do With Them

#llm #observability #python #ai

8 min read

Cover image for Distributive Conditional Types: Why T extends X Splits on Unions

Gabriel Anhaia

May 4

Distributive Conditional Types: Why T extends X Splits on Unions

#typescript #programming #webdev #javascript

6 min read

Cover image for A Worker Pool That Actually Drains on Shutdown: A Pattern for Go Services

Gabriel Anhaia

May 4

A Worker Pool That Actually Drains on Shutdown: A Pattern for Go Services

#go #backend #architecture

8 min read

Cover image for RAG Re-Indexing Without Downtime: A Dual-Write Pattern for Embeddings

Gabriel Anhaia

May 4

RAG Re-Indexing Without Downtime: A Dual-Write Pattern for Embeddings

#rag #ai #postgres #python

1

8 min read

Cover image for type vs interface in 2026: Stop the Religious War

Gabriel Anhaia

May 4

type vs interface in 2026: Stop the Religious War

#typescript #programming #webdev #javascript

9 min read

Cover image for Why time.After Is a Memory Leak in a Hot Path (And the Fix)

Gabriel Anhaia

May 4

Why time.After Is a Memory Leak in a Hot Path (And the Fix)

#go #programming #performance

7 min read

Cover image for Anthropic Message Batching: When 50% Off Is Worth the Latency

Gabriel Anhaia

May 4

Anthropic Message Batching: When 50% Off Is Worth the Latency

#ai #anthropic #python #llm

6 min read

Cover image for Const Type Parameters in TypeScript 5: One Less Annotation

Gabriel Anhaia

May 4

Const Type Parameters in TypeScript 5: One Less Annotation

#typescript #programming #webdev #javascript

8 min read

Cover image for Goroutine Leaks Don't Show Up in CPU Profiles. Here's What to Read Instead

Gabriel Anhaia

May 4

Goroutine Leaks Don't Show Up in CPU Profiles. Here's What to Read Instead

#go #debugging #performance #pprof

7 min read

Cover image for Speculative Decoding for Self-Hosted LLMs: When the Math Pays Off

Gabriel Anhaia

May 4

Speculative Decoding for Self-Hosted LLMs: When the Math Pays Off

#llm #performance #python #tutorial

6 min read

Cover image for TypeScript's noUncheckedIndexedAccess: Turn It On, See What Breaks

Gabriel Anhaia

May 4

TypeScript's noUncheckedIndexedAccess: Turn It On, See What Breaks

#typescript #programming #webdev #javascript

8 min read

Cover image for Generic Constraints in Go: comparable, ~int, and the Trap of Underlying Types

Gabriel Anhaia

May 4

Generic Constraints in Go: comparable, ~int, and the Trap of Underlying Types

#go #generics #programming

7 min read

Cover image for Tool-Result Truncation: The Silent Bug That Makes Agents Lie

Gabriel Anhaia

May 4

Tool-Result Truncation: The Silent Bug That Makes Agents Lie

#ai #agents #observability #python

8 min read

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