| // 3D Dom viewer, copy-paste this into your console to visualise the DOM as a stack of solid blocks. | |
| // You can also minify and save it as a bookmarklet (https://www.freecodecamp.org/news/what-are-bookmarklets/) | |
| (() => { | |
| const SHOW_SIDES = false; // color sides of DOM nodes? | |
| const COLOR_SURFACE = true; // color tops of DOM nodes? | |
| const COLOR_RANDOM = false; // randomise color? | |
| const COLOR_HUE = 190; // hue in HSL (https://hslpicker.com) | |
| const MAX_ROTATION = 180; // set to 360 to rotate all the way round | |
| const THICKNESS = 20; // thickness of layers | |
| const DISTANCE = 10000; // ¯\\_(ツ)_/¯ |
| #!/usr/bin/env python3 | |
| """ | |
| Apply database patches. | |
| Applied patches are recorded in the schema_patch table of the database. | |
| The dsn to connect to defaults to a local one (empty connection string). It can | |
| be chosen using the command line or an environment variable. Patches | |
| application is interactive by default. |
| before running a non trivial update on database table perform a kind of dry run to test whats being updated .. | |
| ` | |
| begin TRANSACTION; | |
| update ... | |
| returning <col>... | |
| rollback ; | |
| ` |
There was a [great article][1] about how react implements it's virtual DOM. There are some really interesting ideas in there but they are deeply buried in the implementation of the React framework.
However, it's possible to implement just the virtual DOM and diff algorithm on it's own as a set of independent modules.
| # source:http://reocities.com/SiliconValley/heights/7052/opcode.txt | |
| From: [email protected] (Mark Hopkins) | |
| Newsgroups: alt.lang.asm | |
| Subject: A Summary of the 80486 Opcodes and Instructions | |
| (1) The 80x86 is an Octal Machine | |
| This is a follow-up and revision of an article posted in alt.lang.asm on | |
| 7-5-92 concerning the 80x86 instruction encoding. | |
| The only proper way to understand 80x86 coding is to realize that ALL 80x86 |
