less cached for Lighttpd

100%

less cached for Lighttpd

✓ Published0🌍 Public

Last edited May 11, 2015

Created on May 11, 2015

This example demonstrates a caching mechanism for compiling Less stylesheets into CSS on a web server using Lighttpd. The shell script stores compiled output in `/tmp` based on a SHA512 hash of the source file, so subsequent requests reuse the cached version. It runs `lessc` with the `--clean-css` option to minify the result, and integrates with Lighttpd’s CGI module via `cgi.assign` to handle `.less` files. The script prints a comment indicating the compilation took time, but only computes that duration when the cache is built, showing the performance benefit of avoiding recompilation.

AI-generated description

Similar vizzes

Loading thumbnail…

recompress jpg files on the fly

This example shows an Apache PHP script that transparently recompresses JPEG images on the fly whenever a browser requests a `.jpg` file. It first displays the original image in response to the request, then uses the external `jpeg-recompress` executable to create a smaller cached version, which subsequent requests serve instead. The script relies on server-side file handling via `filemtime`, `filesize`, and `md5`, and writes a cache log with compression ratios using `error_log`. It conditionally serves cached files only when they are newer than the source.

PPhilippe Rivière

52% match

Loading thumbnail…

Gist 1b1889baaec2adffe574

This example demonstrates a WordPress theme’s strategy for optimizing CSS delivery by inlining critical styles and asynchronously loading the full stylesheet. It shows how PHP hooks like `wp_head` and `wp_footer` conditionally inject scripts, styles, and a cookie-based cache check. The code uses `file_get_contents` to embed JavaScript files such as `loadCSS.js` and `onloadCSS.js`, alongside a `<style>` block for critical CSS. A `noscript` fallback ensures the full stylesheet loads without JavaScript. The implementation relies on the `Roots\Sage\Assets` namespace and functions like `asset_path()` to resolve file paths.

GGolodhros

50% match

Loading thumbnail…

Gist 89193bd17e57c1339fdc4888b072d7ed

This example visualizes the caching behavior of a JavaScript `memoize` function. It shows how repeated calls with the same argument return a cached result, while new arguments trigger a fresh computation and expand the internal cache object. The code implements the memoization pattern manually, using a plain object as a cache and the spread operator to merge new entries. It does not rely on external libraries or rendering APIs; the visualization likely depicts the function’s execution flow and cache state changes, though the specific display mechanism is not defined in the provided source. The data originates from the `memoize.js` file, demonstrating the logic in isolation.

RRestuta

49% match

Loading thumbnail…

Making Javascript faster

This example presents a markdown document that compiles performance guidelines for JavaScript, sourced from a gist by GerHobbelt and linked to jsPerf benchmarks. The text explains optimization techniques such as using IIFEs over nested functions, avoiding the `arguments` object, and preferring `that` instead of `bind`. It describes the content without a graphical interface, serving as a static textual reference for developers.

GGerHobbelt

49% match

Loading thumbnail…

Gist 467901440093a9904541

This example demonstrates a Gulp task that automates the generation of critical CSS for a WordPress theme. It shows the process of downloading a remote stylesheet, analyzing its rules, and extracting only the styles needed for above-the-fold rendering of a specific page. The task uses the `request` library to fetch the CSS file, `criticalcss` to parse and evaluate the rules against the target URL, and the Node.js `fs` module to write the resulting critical CSS to a local file.

GGolodhros

47% match

Loading thumbnail…

Gist 16d0e6050f60256517db942d1fe29703

This example demonstrates a technique for remotely fetching and inspecting CSS stylesheets, particularly extracting image URLs from `srcset` attributes and resolving cross-origin stylesheet rules. The code uses the Fetch API with a CORS proxy to retrieve stylesheet contents, then parses `srcset` strings with a custom regular expression to collect image candidates. It also leverages `document.styleSheets`, `cssRules`, and a temporary `<style>` element to access rule data, while caching processed elements in a `WeakSet` to avoid duplication. The visualization output is logged to the console, showing the collected stylesheet rules and image URLs from the current page.

NN0taN3rd

46% match

Loading thumbnail…

Gist 7bad13b3f760c4afa2f3

This example shows how to analyze and mitigate a SYN flood attack against a web server, where the attacker opens many TCP connections without sending data. The visualization consists of command-line output and shell scripts, not a graphical chart, and it presents the sequence of diagnostic and defensive steps. The code uses standard Unix tools like `netstat`, `awk`, `sort`, `uniq`, and `cut` to count connections per state and per source IP, as well as `whois` for IP lookup. It also demonstrates `ulimit` to raise the file descriptor limit, `iptables` with the `connlimit` module to cap per-host connections, and the `lighttpd` init script to restart the server. The approach is purely textual, showing the raw commands and their expected outputs.

CCBasis

46% match

Loading thumbnail…

wget commands to get static sites

This example demonstrates a single-line shell command for downloading a static website. The visualization shows how `wget` flags combine to fetch a complete, browsable local copy of a page. The code uses `--recursive` and `--level=1` to limit depth, `--convert-links` to rewrite HTML references, and `--page-requisites` to pull in CSS, images, and scripts. The command also applies `--no-cookies`, `--timestamping`, `--adjust-extension`, `--no-parent`, and `--max-redirect=0` to control caching, file naming, and redirect behavior. The data source is the URL provided as an argument to the script.

RRestuta

46% match