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The latest code snippets.

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JsonSerdeSerialization

Parse JSON with serde

Derive Serialize/Deserialize and round-trip a struct.

Author: chris
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AsyncHttpReqwest

HTTP GET with reqwest

Async HTTP GET with the popular reqwest crate and tokio runtime.

Author: chris
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FileIo

Write a File in Rust

Persist a string atomically using std::fs::write.

Author: chris
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FileIo

Read a File to String in Rust

Read an entire file into a String using std::fs::read_to_string.

Author: chris
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MinitestTesting

Unit Tests with Minitest

Stdlib Minitest spec — no extra gems needed.

Author: chris
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MemoizationPerformance

Memoize a Method in Ruby

Cache an expensive call with the `||=` idiom.

Author: chris
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IdentifiersUuid

Generate a UUID in Ruby

Generate a v4 UUID with the SecureRandom stdlib.

Author: chris
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ArgsCliOptionparser

OptionParser CLI in Ruby

Parse CLI flags with the stdlib OptionParser.

Author: chris
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Concurrency TagHttpThreads

Threaded HTTP Requests in Ruby

Fan out HTTP calls across threads and join them.

Author: chris
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ActiverecordOrmSql

ActiveRecord Query Snippet

Define a model and run a chained where/order query with ActiveRecord.

Author: chris
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