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Learn how ARC works, spot common retain‑cycle pitfalls, and break them with weak references. A practical delegate example, block handling, and a checklist keep your Objective‑C code leak‑free.
Learn how to free conventional memory on MS‑DOS by loading device drivers into Upper Memory Blocks with EMM386.EXE and HIMEM.SYS.
A step-by-step diagnostic guide for finding and fixing retain cycles in Objective-C: recognize the missing dealloc signal, use Memory Graph and Leaks instruments, apply the weak delegate and weak-self block patterns, and verify the fix with repeatable checks.
Framework7's router balances SPA navigation speed and memory through per-route caching and guards. Learn how to configure the page stack, prefetch data with beforeEnter, and avoid memory bloat on low-end devices.
When PHP changes don’t appear, latency spikes, or CLI jobs run slow, OPcache may be mis‑configured. This guide walks through recognizable symptoms, diagnostic checks, fixes, and escalation steps for stale code, memory limits, CLI caching, and path exclusions.
When a DOS program refuses to load because it is "too big to fit in memory," the bottleneck is usually the 640 KB conventional memory limit, not total installed RAM. Learn how HIMEM.SYS, EMM386, and LOADHIGH move resident code into the Upper Memory Area and free space for applications.
Add state to Objective‑C categories with associated objects—learn how to attach data safely, avoid leaks, and bridge to Swift.
Decide when to use std::unique_ptr and std::shared_ptr to eliminate double frees and dangling pointers, and why std::make_shared is safer than the constructor.
Explore how Jule eliminates garbage collection pauses using a linear type system and move semantics to ensure deterministic memory management.
msdos
framework7
zend
cpp
jule