weak references — 4 Technical Articles

Mar 13, 2025 · Fundamentals

Master Go’s New Cleanup Functions and Weak Pointers for Safer Memory Management

Go 1.24 introduces runtime.AddCleanup and weak.Pointer, advanced garbage‑collector tools that let developers attach cleanup callbacks without retaining objects and safely cache objects via weak references, offering more precise memory management, eliminating finalizer pitfalls, and enabling custom unique‑package implementations.

cleanup functionsruntime.AddCleanupweak references

0 likes · 9 min read

Master Go’s New Cleanup Functions and Weak Pointers for Safer Memory Management

Radish, Keep Going!

Dec 16, 2024 · Backend Development

Mastering Go 1.24 Weak References: Using the New std‑lib weak Package

This article explains Go 1.24's new std‑lib weak package, compares it with weak reference implementations in other languages, demonstrates its API with practical code examples, and shows how to build canonicalization maps and fixed‑size caches using weak pointers.

cacheweak references

0 likes · 9 min read

Mastering Go 1.24 Weak References: Using the New std‑lib weak Package

Test Development Learning Exchange

Jan 1, 2024 · Fundamentals

Handling Circular References and Memory Leaks in Python with weakref and gc Modules

This article explains how circular references cause memory leaks in Python, describes the role of reference counting and the cyclic garbage collector, and provides practical examples using the weakref and gc modules to create weak references, detect, and manually manage cyclic garbage.

Circular ReferencesGarbage CollectionPython

0 likes · 6 min read

Handling Circular References and Memory Leaks in Python with weakref and gc Modules

21CTO

Nov 30, 2019 · Backend Development

What’s New in PHP 7.4? Typed Properties, Arrow Functions, and More

PHP 7.4 introduces a suite of powerful features—including typed properties, arrow functions, limited covariance/contravariance, array unpacking, numeric literal separators, short lambda syntax, weak references, throwable __toString() and Opcache preloading—each illustrated with concise code examples for modern backend development.

Arrow FunctionsBackend DevelopmentCovariance

0 likes · 5 min read

Master Go’s New Cleanup Functions and Weak Pointers for Safer Memory Management

Mastering Go 1.24 Weak References: Using the New std‑lib weak Package

Handling Circular References and Memory Leaks in Python with weakref and gc Modules

What’s New in PHP 7.4? Typed Properties, Arrow Functions, and More

What’s New in PHP 7.4? Typed Properties, Arrow Functions, and More