- Python – Code Snippets
The short answers you keep looking up — read a file into a list, sort a dict by value, flatten a nested list, count occurrences, chunk a list, merge dicts, retry a call, time a block. Copy, paste, move on.
- Frontend Dev – Performance and Accessibility
Two subjects in one post because they are the same subject: whether the person on the other end can actually use this. Bundle size and code splitting, the render cost you can measure, images, Core Web Vitals — then semantics, labels, focus order, keyboard operation and contrast, and the four checks that catch most of it.
- Java Best Practices
These are the habits that separate code a team can maintain from code they quietly rewrite. None of them is clever. All of them compound. Name things properly You write a name once and read it for years. The conventions are fixed and universal: PascalCase for types, camelCase for methods and…
- React – Project Structure for a Large App
Type folders — components/, pages/, lib/ — are right until they are not. The pizza app shows exactly where they break: one feature spread across five folders, 99 relative imports, and a currency formatter that makes the admin reports screen depend on the delivery fee. Then the feature-based layout that fixes it, the three rules that keep it fixed, path aliases, and the lint config that turns the architecture into a build error instead of a code-review argument.
- iOS – async/await, Tasks and Actors
Structured concurrency in the shape you will actually use it: async let for requests that should overlap, .task tying work to a view's lifetime, cancellation you get for free, @MainActor and what it enforces, and an actor for state several callers touch at once. Plus the deinit rule nobody mentions.