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Iimbrooklynimbrooklyn.hashnode.dev1d ago · 10 min read

Shuttle: Small, Type-Safe Composition Primitives for Go

Sorting a slice by one field is easy. Filtering one collection is easy. Returning (T, bool) is idiomatic. So is writing a nested loop. The friction appears when the same ordering must be shared by a s

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ASAbhijeet Shindeweeklyupdate.hashnode.dev1d ago · 7 min read

Learning Go, Week 4: Functions, Methods, Defer, and File Handling

Last week was maps, control flow, and structs. This week I moved from organizing data to doing things with it — functions (including the variadic kind), methods on structs, the defer keyword, and basi

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RHRobin Hayerrobinhayer.hashnode.dev2d ago · 5 min read

Concurrency Without a Parallel Parser: Splitting PCAPs by Session

Where the last post left off In my first post about the 2.5 GB wall, streaming fixed memory. It didn't fix throughput. The pipeline was still one file, one tshark process, one core. Piping stdout to s

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JTJAY TANKjaytank.hashnode.dev4d ago · 10 min read

The ping helper that runs the attacker's commands

Here is a health-check endpoint that looks like it does exactly what it should: @app.route("/ping") def ping(): host = request.args.get("host") return os.system("ping -c1 " + host) It pings a

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Mmriplabsai-matters.hashnode.devAug 20 · 18 min read

Concurrent URL Health Checker in Go: A Practical Study of Concurrency, Synchronization, and Resilient Network Programming

Abstract Concurrency in Go is unique amongst programming languages. Goroutine channels is a simple programming model compared with those of other languages, but building a reliable and useful concurre

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Mmriplabsai-matters.hashnode.devAug 20 · 17 min read

Beginner's view of Go

Essentials of Golang - an overview for the absolute beginner Getting Started with Go: From Installation to Your First Go Program A practical introduction to the Go ecosystem, development environment,

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FFerferztyle.meAug 19 · 11 min read

LeetCode 151: Reverse Words in a String in Go

The problem that looks simple until the whitespace shows up You open LeetCode 151 — Reverse Words in a String expecting a variation on reversing a string, and mostly, that's right. Given "the sky is b

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SUSamuel Umohumohsg.hashnode.devAug 18 · 19 min read

Building Fault-Tolerant, Event-Driven Kafka Pipelines in Go: Reliable Reprocessing & Dead Letter Queues

Prerequisites What do you need to follow along? Working knowledge of Golang. Go & Docker installed on your PC. What is an Event-Driven Architecture? An Event-Driven Architecture (EDA) is a design

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JTJAY TANKjaytank.hashnode.devAug 17 · 9 min read

GraphQL ships insecure by default - and one nested query can take you down

Here is a GraphQL server that passes every test, ships to production, and is wide open on day one: const server = new ApolloServer({ typeDefs, resolvers, introspection: true, }); It resolves qu

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JTJAY TANKjaytank.hashnode.devAug 16 · 8 min read

Your `terraform.tfstate` is a plaintext password file

There is a file in almost every Terraform repository that quietly holds your database password, your API keys, and your TLS private key - in cleartext. It is not a mistake anyone made. It is how Terra

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Trending tags this week

Shuttle: Small, Type-Safe Composition Primitives for Go

Learning Go, Week 4: Functions, Methods, Defer, and File Handling

Concurrency Without a Parallel Parser: Splitting PCAPs by Session

The ping helper that runs the attacker's commands

Concurrent URL Health Checker in Go: A Practical Study of Concurrency, Synchronization, and Resilient Network Programming

Beginner's view of Go

LeetCode 151: Reverse Words in a String in Go

Building Fault-Tolerant, Event-Driven Kafka Pipelines in Go: Reliable Reprocessing & Dead Letter Queues

GraphQL ships insecure by default - and one nested query can take you down

Your `terraform.tfstate` is a plaintext password file