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I'm designing a Moleculer service where several actions are wrapped with the built-in cacher, and I'm trying to pin down exactly when a cached action response stops being served. Assume a recent Moleculer 0.14.x release with the default in-memory cacher. My understanding is that the cacher keys entries from the action name plus params, and that a TTL control
Qt documents that a QObject has thread affinity: timers and sockets must be created, started and stopped in their owning thread, and use from another thread is a documented failure condition, not a portable guarantee. Cross-thread signals follow a related rule: with Qt::AutoConnection , delivery becomes queued, so the slot runs later in the receiver thread's
When deploying a lightweight service on an EIP‑1559‑enabled chain, the goal is to keep transaction costs minimal. The library’s web3.eth.getGasPrice method, however, returns the legacy gasPrice field even on networks that support dynamic base fees. This legacy value can exceed the sum of the current baseFeePerGas and a modest priority fee, leading to overpay
Atlas Packing vs. Individual Textures When building large 2‑D scenes in PixiJS, developers often face a choice between packing sprites into a single texture atlas or loading each sprite as a separate texture. The goal is to minimize GPU draw calls while keeping runtime memory and asset management manageable. Constraints include the GPU’s maximum texture size
SSH session persistence relies on ClientAliveInterval and ClientAliveCountMax to detect dead peers at the protocol layer. These settings ensure the server terminates sessions when clients crash or lose connectivity without sending a TCP FIN packet. However, intermediate stateful firewalls often maintain their own idle timeout timers. There is uncertainty reg
When implementing pagination in Sequelize, the limit and offset options are used to control the number of records returned from the database. However, a specific behavior occurs when these options are combined with the include property for one-to-many associations. Because Sequelize generates SQL JOINs for eager loading, the resulting row count includes the
In iOS 10+, UNUserNotificationCenter replaces UILocalNotification and introduces categories, actions, and UNNotificationPresentationOptions for fine‑grained control over how alerts appear. Developers often use silent pushes (content‑available = 1) to wake the app in the background, but the interaction between these silent notifications and the banner/alert p
TheAlgorithms repository provides quicksort implementations across 30+ languages with a stated goal of educational clarity. Current default implementations in many languages select the first or last element as pivot, causing O(n²) degradation on already-sorted or reverse-sorted input. Contribution guidelines emphasize idiomatic, textbook-style code but do no
I maintain documentation that must render correctly in more than one Markdown toolchain, and nested lists are the sticking point. The same source — a - a item with a - b child indented two spaces — can produce a nested ul , a flattened continuation paragraph, or an indented pre / code block depending on the renderer, with no error reported in any of them. My
nodejs
moleculer
qt
web3js
pixijs
ssh
javascript
sequelize
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thealgorithms