Rupert Wood RupW
RupW
/ cryptoJsCompatibleAes.ts
Last active
December 13, 2023 14:02
CryptoJS-compatible AES encrypt and decrypt with password / pre-shared secret using Node built-in crypto instead
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| import * as crypto from 'node:crypto'; | |
| // Format is "Salted__", 8-byte salt, cipher text | |
| const saltedPrefixBuffer = Buffer.from('Salted__'); | |
| function md5(...inputs: Buffer[]): Buffer { | |
| const hash = crypto.createHash('md5'); | |
| inputs.forEach(input => hash.update(input)); | |
| return hash.digest(); | |
| } |
RupW
/ svg-text-anchor-middle.html
Last active
July 22, 2022 16:32
Examples of SVG text rendering differences on Safari
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| <!DOCTYPE html> | |
| <html lang="en-US"> | |
| <head><title>Safari textpath multiple tspans text-anchor:middle</title> | |
| <style> | |
| body { | |
| height: 100%; | |
| margin: 0; | |
| font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; | |
| font-size: 14px; | |
| line-height: 1.42857143; |
RupW
/ BinarySearchExample.java
Created
November 26, 2019 16:32
Binary search from https://stackoverflow.com/q/59054704
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| // https://stackoverflow.com/q/59054704/243245 | |
| import java.io.File; | |
| import java.io.IOException; | |
| import java.util.ArrayList; | |
| import java.util.Collections; | |
| import java.util.Scanner; | |
| public class BinarySearchExample { | |
| public static void main( String[] args ) | |
| throws IOException |
RupW
/ SO46289473.java
Created
September 21, 2017 00:58
Solve W=C tan W using Newton-Raphson - for https://stackoverflow.com/q/46289473
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| /** | |
| * A Newton-Raphson implementation of https://stackoverflow.com/q/46289473 | |
| */ | |
| public class SO46289473 | |
| { | |
| public static double nrSolveW(double c, double epsilon) { | |
| double guessValue; | |
| if (c < 0 && c != Double.NEGATIVE_INFINITY) { | |
| // Then 1st intersection is between π/2 and π (towards -infinite C) | |
| guessValue = Math.PI * 0.75; |
RupW
/ functions.php
Last active
August 29, 2015 14:05
WordPress theme snippet to warn if no permalink structure configured
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| <?php | |
| /** | |
| * "We strongly recommend a permalink structure" admin site notice | |
| * | |
| * from http://wordpress.stackexchange.com/a/157071/3276 | |
| */ | |
| if ( is_admin() && ( ! defined( 'DOING_AJAX' ) || ! DOING_AJAX ) ) { | |
| /* Admin-site only code */ |
RupW
/ jquery.support.checkboxindeterminate.js
Created
April 6, 2012 09:35
Detect HTML5 checkbox indeterminate support storing result in jQuery.support namespace
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| /** | |
| * jQuery.support.checkboxIndeterminate | |
| * https://github.com/RupW | |
| * Tests for HTML 5 checkbox 'indeterminate' property | |
| * http://www.w3.org/TR/html5/the-input-element.html#dom-input-indeterminate | |
| * http://www.w3.org/TR/html5/number-state.html#checkbox-state | |
| * | |
| * Released under the same license as jQuery | |
| * http://docs.jquery.com/License | |
| * |