| Models | Examples |
|---|---|
| Display ads | Yahoo! |
| Search ads |
Juan Gonzalez Nazgolze
DavidBuchanan314
/ cursed_mandelbrot.c
Last active
June 28, 2023 15:12
Compile-time mandelbrot in pure C. Outputs a PGM image file to stdout. Output can be seen at https://twitter.com/David3141593/status/1062468528115200001
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| #include <stdio.h> | |
| #define SQ(x) (x)*(x) | |
| #define M0(x,y) SQ(x)+SQ(y)<4?0:0xe0 | |
| #define M1(x,y,x0,y0) (SQ(x)+SQ(y)<4)?M0(SQ(x)-SQ(y)+(x0),2*(x)*(y)+(y0)):0xc0 | |
| #define M2(x,y,x0,y0) (SQ(x)+SQ(y)<4)?M1(SQ(x)-SQ(y)+(x0),2*(x)*(y)+(y0),x0,y0):0xa0 | |
| #define M3(x,y,x0,y0) (SQ(x)+SQ(y)<4)?M2(SQ(x)-SQ(y)+(x0),2*(x)*(y)+(y0),x0,y0):0x80 | |
| #define M4(x,y,x0,y0) (SQ(x)+SQ(y)<4)?M3(SQ(x)-SQ(y)+(x0),2*(x)*(y)+(y0),x0,y0):0x60 | |
| #define M5(x,y,x0,y0) (SQ(x)+SQ(y)<4)?M4(SQ(x)-SQ(y)+(x0),2*(x)*(y)+(y0),x0,y0):0x40 |
kyledrake
/ ferengi-plan.txt
Last active
July 23, 2025 20:52
How to throttle the FCC to dial up modem speeds on your website using Nginx
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| # The blog post that started it all: https://neocities.org/blog/the-fcc-is-now-rate-limited | |
| # | |
| # Current known FCC address ranges: | |
| # https://news.ycombinator.com/item?id=7716915 | |
| # | |
| # Confirm/locate FCC IP ranges with this: http://whois.arin.net/rest/net/NET-165-135-0-0-1/pft | |
| # | |
| # In your nginx.conf: | |
| location / { |
jkneb
/ Gruntfile.js
Last active
December 23, 2015 07:09
grunt-ember-templates plugin configuration for the Gruntfile + package.json. You'll have to update the Gruntfile with YOUR correct path to templates files. 1. Run `npm install` 2. Run `grunt` or `grunt watch`
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| module.exports = function(grunt) { | |
| grunt.initConfig({ | |
| pkg: grunt.file.readJSON( 'package.json' ), | |
| emberTemplates: { | |
| compile: { | |
| options: { | |
| templateBasePath: /assets\/js\/app\/templates\// | |
| }, | |
| files: { |
ndarville
/ business-models.md
Last active
October 9, 2025 17:55
Business models based on the compiled list at http://news.ycombinator.com/item?id=4924647. I find the link very hard to browse, so I made a simple version in Markdown instead.
jboner
/ latency.txt
Last active
November 4, 2025 15:34
Latency Numbers Every Programmer Should Know
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| Latency Comparison Numbers (~2012) | |
| ---------------------------------- | |
| L1 cache reference 0.5 ns | |
| Branch mispredict 5 ns | |
| L2 cache reference 7 ns 14x L1 cache | |
| Mutex lock/unlock 25 ns | |
| Main memory reference 100 ns 20x L2 cache, 200x L1 cache | |
| Compress 1K bytes with Zippy 3,000 ns 3 us | |
| Send 1K bytes over 1 Gbps network 10,000 ns 10 us | |
| Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD |