0 views collected around this technical thread.
This article explains how to create a karaoke‑style per‑word gradient highlight for song lyrics in a Flutter app, covering the visual effect analysis, gradient positioning tricks, ShaderMask usage, animation with Tween and AnimationController, per‑character timing, and progress synchronization.
This article walks through a step‑by‑step pure‑CSS implementation of a Mid‑Autumn Festival greeting card, covering animated cloud backgrounds, a glowing cut‑out moon with text, flashing lanterns, moving clouds, and a running rabbit, while explaining the underlying CSS techniques and challenges.
This article explains how to create gradient iconfonts by using CSS background‑clip:text (with transparent text) and optionally mix‑blend-mode:darken, demonstrates a reusable React component that applies gradient backgrounds via style props, and shows graceful degradation with @supports queries for browsers lacking background‑clip support.
This article explains that the gradient of a multivariable function is a vector indicating the direction of greatest increase, shows how directional derivatives are computed, and demonstrates that the maximum rate of change occurs when moving along the gradient direction.
This article explains how to compute the derivative of a scalar-valued function with respect to a vector by applying the definition method, illustrating the process with simple and more complex examples, outlining basic differentiation rules, and discussing the limitations of the definition approach for vector‑matrix derivatives.
This article introduces matrix and vector differentiation, explains the nine possible derivative cases, clarifies numerator and denominator layouts, and shows how Jacobian and gradient matrices arise, providing a concise foundation for machine‑learning calculus.
The article explains that the gradient of a function is a vector pointing in the direction of greatest increase, representing the maximal directional derivative, and illustrates this concept for single‑variable and two‑variable functions with diagrams, showing how unit vectors determine rates of change along any direction.
This article demonstrates how to recreate the “声生不息” program logo using only native CSS and a small amount of JavaScript, covering gradient stripes, clip‑path shaping, background‑clip text effects, CSS variables for color toggling, and detailed code snippets for each implementation step.
This article explains PyTorch's autograd system, covering tensor creation, the requires_grad flag, detaching tensors, disabling gradient tracking with no_grad, the Function class and computational graph, and demonstrates forward and backward passes with code examples illustrating gradient computation and Jacobian‑vector products.
This tutorial demonstrates how to use the Python Pyecharts library to fetch Hangzhou walking route data, render it on a Baidu map heatmap, and build a gradient‑styled scatter plot comparing life expectancy and GDP for multiple countries in 1990 and 2015.
This article explains how to draw SVG arcs of any angle, position and rotate text labels along the arcs, generate gradient colors using both RGBA and HSL methods, and assemble a reusable JavaScript class that creates interactive circular arc charts with click events.
This article reviews the concept of residual networks, explains their working principle and data‑flow interpretation, discusses why they improve deep models, analyzes path‑length effects on gradients, and surveys various residual block designs and practical takeaways.
Explore the CSS conic-gradient function in depth—its syntax, differences from linear and radial gradients, practical examples like color wheels, pie charts, animated backgrounds, and polyfill support—while learning how to combine percentages, background-size, and blend modes to create dynamic, cross-browser visual designs.