Michael Wolthers wolthers
wolthers
/ blendColor.ts
Last active
December 11, 2019 21:44
Get the result of blending a (semi)transparent foreground color on an opaque background color
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| type uint8 = 0|1|2|3|4|5|6|7|8|9|10|11|12|13|14|15|16|17|18|19|20|21|22|23|24|25|26|27|28|29|30|31|32|33|34|35|36|37|38|39|40|41|42|43|44|45|46|47|48|49|50|51|52|53|54|55|56|57|58|59|60|61|62|63|64|65|66|67|68|69|70|71|72|73|74|75|76|77|78|79|80|81|82|83|84|85|86|87|88|89|90|91|92|93|94|95|96|97|98|99|100|101|102|103|104|105|106|107|108|109|110|111|112|113|114|115|116|117|118|119|120|121|122|123|124|125|126|127|128|129|130|131|132|133|134|135|136|137|138|139|140|141|142|143|144|145|146|147|148|149|150|151|152|153|154|155|156|157|158|159|160|161|162|163|164|165|166|167|168|169|170|171|172|173|174|175|176|177|178|179|180|181|182|183|184|185|186|187|188|189|190|191|192|193|194|195|196|197|198|199|200|201|202|203|204|205|206|207|208|209|210|211|212|213|214|215|216|217|218|219|220|221|222|223|224|225|226|227|228|229|230|231|232|233|234|235|236|237|238|239|240|241|242|243|244|245|246|247|248|249|250|251|252|253|254|255; | |
| type RGB = [uint8, uint8, uint8]; | |
| function blendColor(fg: RGB, fgA: uint8, bg: RGB) { | |
| const [ |
wolthers
/ index.js
Last active
January 16, 2018 09:24
Værditab af bil baseret på satser fra https://www.dr.dk/nyheder/saa-hurtigt-falder-din-nye-bil-i-vaerdi
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| const cliTable = require('cli-table') | |
| function calc(purchaseValue, entryYear, numYears) { | |
| const table = new cliTable({ | |
| head: ['Periode', 'Bilens værdi', '%', 'Værditab i alt', '%', 'Årets værditab', 'Årets værditab pr. mnd', 'Ydelse pr. mnd over hele perioden'], | |
| colWidths: [9, 14, 4, 16, 4, 16, 24, 35] | |
| }) | |
| const percentualValueEachYear = [100, 81, 67, 56, 48, 39, 34, 29, 25, 22, 19, 18, 16].slice(entryYear) | |
| // If entryYear is 0, 19, 14, 11, 8, 9, 5, 5, 4, 3, 3, 1, 2 |
wolthers
/ gist:9227398
Last active
June 24, 2016 13:08
Handlebars helper for converting unix timestamp in seconds to pretty date - "25 seconds ago" / "3 minutes ago" / "2 hours ago" / "2 days ago" / "December 25"
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| /** | |
| @param {UNIX timestamp} timestamp - an unix timestamp in seconds | |
| */ | |
| Handlebars.registerHelper("prettyDate", function (timestamp) { | |
| var date, | |
| monthNames, | |
| secs = ((new Date()).getTime() / 1000) - timestamp, | |
| minutes = secs / 60, | |
| hours = minutes / 60, |
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| /* | |
| Bootstrap | |
| @author Michael Wolthers Nielsen - http://moredots.dk/ | |
| @description Bootstrap class for automatic initialization of object literals based on data-modules on the body tag. | |
| @credits Based on ideas by Paul Irish, Blake Waters and David Desandro - http://paulirish.com/2009/markup-based-unobtrusive-comprehensive-dom-ready-execution/ | |
| @usage Bootstrap.init(ObjectLiteral); | |
| Example body tag: | |
| <body data-modules="{"ThumbnailList": ["destruct"], "MainMenu": ["doSomething"], "Lightboxes": ["showLogin"] }"> | |