Lsong lsongdev
👨💻
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| /* | |
| * created by Rui Santos, http://randomnerdtutorials.com | |
| * | |
| * Complete Guide for Ultrasonic Sensor HC-SR04 | |
| * | |
| Ultrasonic sensor Pins: | |
| VCC: +5VDC | |
| Trig : Trigger (INPUT) - Pin11 | |
| Echo: Echo (OUTPUT) - Pin 12 | |
| GND: GND |
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| function ( | |
| a, // A Nodelist whichto use as root | |
| b, // iterate-placeholder | |
| c, // elem-placeholder | |
| d, // tags-placeholder | |
| e, // tag-placeholder | |
| f // parent-placeholder | |
| ) { | |
| for (b = 0; c = a[b++]; |
lsongdev
/ break-block.js
Created
September 29, 2016 02:25
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| /** | |
| * [BreakBlock description] | |
| */ | |
| function BreakBlock(row, col){ | |
| this.data = []; | |
| this.position = [ 0, 0 ]; | |
| this.direction = BreakBlock.DIRECTION.NE; | |
| }; | |
| BreakBlock.AXIS = { |
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| App({ | |
| /** | |
| * [request description] | |
| * @param {[type]} method [description] | |
| * @param {[type]} url [description] | |
| * @param {[type]} data [description] | |
| * @param {[type]} header [description] | |
| * @return {[type]} [description] | |
| */ |
lsongdev
/ bitcount.js
Created
September 9, 2016 09:20
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| for(var n=8888,c=0; n; c+=(n=n>>1)&1){ c; }; |
lsongdev
/ tooltip.html
Last active
July 11, 2017 10:23
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| <style> | |
| body{ | |
| margin: 100px; | |
| text-align: center; | |
| } | |
| [tooltip]{ | |
| position: relative; | |
| } |
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| // | |
| // function fn(n){ | |
| // if(n > 100) return n; | |
| // return fn(n + (n + 1)); | |
| // }; | |
| function pad(s, n){ | |
| while(n--) s = '0' + s; | |
| return s; | |
| }; |
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| for(var y=0;y<=10;y++){ | |
| var arr = []; | |
| for(var x=0;x<5;x++) arr.push( Math.max(0, Math.round((y / 2) - x)) ); | |
| console.log('%j\t> ', y, arr); | |
| } |
lsongdev
/ maoyan-toolbox.html
Last active
May 4, 2016 06:22
https://lsong.org/~lsong/maoyan-toolbox.html
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| <html> | |
| <head> | |
| <meta charset="utf8" /> | |
| <meta name="viewport" content="width=device-width"> | |
| <title>MaoYan Toolbox</title> | |
| <style> | |
| body{ | |
| width: 50%; | |
| margin: auto; | |
| text-align: center; |
lsongdev
/ progressbar.sh
Last active
April 29, 2016 03:19
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| #!/bin/bash | |
| # | |
| # example: | |
| # | |
| # curl -s https://gist.githubusercontent.com/song940/332b80f24e7f203987eff11fc6765bd8/raw/progressbar.sh | sh | |
| # | |
| function ProgressBar(){ | |
| let max=$1 |