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Languages & runtimes · #javascript
A slow `gulp images` task re-admits every file on each run. Use `gulp.lastRun` with `src(..., { since })` to process only changed files, while keeping a clean full build for CI.
Backbone's validate() improves UX but enforces nothing. Here's the smallest save/parse design that keeps the server authoritative, plus tests and failure modes.
Link a layer's opacity to another layer's horizontal position in After Effects using a JavaScript expression. Learn the exact attachment steps, a worked linear() example, and how to verify the behavior locally.
Destructuring assignment in CoffeeScript removes boilerplate from config objects and API callbacks, but it moves validation to the function boundary. Here is how to use it safely.
When Swiper shows blank gaps or wrong pagination after you add or remove slides, its internal slide grid is stale. This guide walks through ordered checks, loop-mode cleanup, and update/observer fixes.
A task guide to using Axios interceptors for centralized auth tokens and global error handling, including setup, verification, and recovery.
Learn when to use native getters, @cached, or @computed for derived state in Ember Octane to optimize rendering performance and ensure UI consistency.
Jest's modern fake timers replace real setTimeout waits with a controllable virtual clock, making time-dependent unit tests fast and deterministic. Here is how to use them safely.
Learn how to paginate a Backbone.Collection on the server using only core APIs: parse metadata, fetch single pages with reset, and prevent stale responses with request tokens.
gulp
backbonejs
aftereffects
coffeescript
swiper
axios
jest