resumeTechnology
URLSearchParams: working with URL query parameters
The query parameters can be read and updated as key and value pairs. This avoids many errors when manually gluing addresses.
Published22 Oct 2026
← All categoriesExplore the topic
Technology
Software, devices and technical concepts, explained clearly.
444 summariesSorted by title
Technology
user-select is not copy protection
The setting controls the selection of text in the interface.
Published22 Oct 2026
Technology
UUID: an identifier is not access permission
uuid.uuid4() creates a random UUID that can distinguish records without a central sequential counter. It does not establish who may open the corresponding record.
Published22 Oct 2026
Technology
Verify-commit: a signature needs a trust context
git verify-commit checks a commit signature using the supported mechanism and configuration. That is separate from the quality of the code it contains.
Published22 Oct 2026
Technology
Vertical-align: why it does not centre an ordinary block
vertical-align applies to inline boxes, inline-block boxes and table cells. It is not a general command for vertically centring every block element.
Published23 Oct 2026
Technology
Viewport: the visible area and arrangement of the mobile page
On a phone, a browser does more than shrink a desktop page.
Published22 Oct 2026
Technology
visibility: hidden preserves an element’s layout space
The element is hidden, but the arrangement preserves its box.
Published22 Oct 2026
Technology
Warnings: a warning is not necessarily an exception
warnings.warn() reports a condition that does not normally require immediate termination. Filters can display, hide or turn selected warnings into exceptions.
Published22 Oct 2026
Technology
Weakref: a cache need not keep an object alive
A weak reference alone does not keep an object alive. weakref helps supporting structures observe objects without determining their lifetime.
Published22 Oct 2026
Technology
Web Components: custom elements and their lifecycle
The components combine standard browser mechanisms for reuse. Adding and removing an item are events that its behavior must account for.
Published22 Oct 2026
Technology
Web manifest: name, icon, and start address of a web application
The manifesto is a JSON description for the browser. It sets the application metadata, and running functions and behavior without a network are provided separately.
Published22 Oct 2026
Technology
WebAssembly: compiled modules alongside JavaScript
Wasm is a compilation target and can work in conjunction with JavaScript. The benefit is assessed on a specific task, including the exchange of data between the two parts.
Published22 Oct 2026