| // based on the math here: | |
| // http://math.stackexchange.com/a/1367732 | |
| // x1,y1 is the center of the first circle, with radius r1 | |
| // x2,y2 is the center of the second ricle, with radius r2 | |
| function intersectTwoCircles(x1,y1,r1, x2,y2,r2) { | |
| var centerdx = x1 - x2; | |
| var centerdy = y1 - y2; | |
| var R = Math.sqrt(centerdx * centerdx + centerdy * centerdy); | |
| if (!(Math.abs(r1 - r2) <= R && R <= r1 + r2)) { // no intersection |
| let i = 0; | |
| const test = () => new Promise((resolve, reject) => { | |
| i++; | |
| console.log(`Promise called - ${i}`); | |
| if (i === 5) { | |
| resolve(); | |
| } |
| // XPath CheatSheet | |
| // To test XPath in your Chrome Debugger: $x('/html/body') | |
| // http://www.jittuu.com/2012/2/14/Testing-XPath-In-Chrome/ | |
| // 0. XPath Examples. | |
| // More: http://xpath.alephzarro.com/content/cheatsheet.html | |
| '//hr[@class="edge" and position()=1]' // every first hr of 'edge' class |
| #include <stdio.h> | |
| #include <stdlib.h> | |
| #include <stdint.h> | |
| #include <assert.h> | |
| #include <math.h> | |
| int32_t min_int32(int32_t a, int32_t b) | |
| { | |
| uint32_t branch1, | |
| branch2, |
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