Stefan Wienert zealot128
zealot128
/ solution.rb
Last active
December 10, 2015 21:18
Solution for a job challenge by barzahlen.de
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| raise "UseNewerRubyCauseHazPermutations" if RUBY_VERSION < "1.9.3" | |
| %w["d3Vv", "dG5h", "QGVt"].permutation.to_a.map(&:join).each do |middle| | |
| puts Base64.decode64( "ZWQubmVsaGF6cmFi" + middle + "eQ==").reverse | |
| end |
zealot128
/ convenience_findable.rb
Last active
December 14, 2015 06:09
Convenience Finder for ActiveRecord Models Finding models with a attribute "name": imagine having Domains with names: "ITsax.de", "ITmitte.de" Domain["its"]
Domain["itsax.de"]
Domain.itsax All gives the Domain named "ITsax.de
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| # Super easy finder fuer models mit einem Attribut :name | |
| # | |
| # Erweitert: | |
| # | |
| # Domain.itsax | |
| # Domain.itmitte | |
| # | |
| # User.pludoni | |
| # | |
| # User["plu"] -> pludoni |
zealot128
/ console.js
Last active
December 17, 2015 00:29
Coursera - initiate download for all videos of a whole course - Paste into debug console
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| // wait 8 seconds between each download | |
| waittime = 8000 | |
| // only download links that are visible right now -> Fold old lectures | |
| only_visible = true | |
| ls=$.map($('.icon-download-alt'),function(a,e){link=$(a).parent();link.attr("target", "_blank");return link});if(only_visible) ls=ls.filter(function(a){return a.is(":visible")});function ex(){ls.shift().find("i").click();if(ls.length>0)setTimeout(ex, waittime)};ex() |
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| let g:rails_projections = { | |
| \ "config/projections.json": { | |
| \ "command": "projections" | |
| \ }, | |
| \ "app/services/*.rb": { | |
| \ "command": "service", | |
| \ "affinity": "model", | |
| \ "test": "spec/services/%s_spec.rb", | |
| \ "related": "app/models/%s.rb", | |
| \ "template": "class %S\n\n def run\n end\nend" |
zealot128
/ _two_click.html.haml
Created
August 29, 2013 08:16
Rails: Two Click Image helper for easy dropin daily refreshed Facebook/Twitter/SocialPlugins as static images (to comply with German data protection standards).
Needs wkhtmltoimage installed on server.
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| .two-click{data: { iframe: url, height: height, width: width} } | |
| = link_to url, title: t("two-click.info"), target: "_blank", rel: "nofollow" do | |
| = image_tag image_url, class: "two-click-img" |
zealot128
/ gist:6485657
Created
September 8, 2013 15:32
Wicked_pdf/wkhtml webfonts usage. (Rails)
just convert ttf-font to base64
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| @font-face { | |
| font-family: "HelveticaNeue"; | |
| src: url(data:font/truetype;charset=utf-8;base64,#{Base64.encode64(File.read("app/assets/fonts/helveticaneue-light-webfont.ttf")).gsub("\n","")}); | |
| font-weight: normal; | |
| font-style: normal; | |
| } | |
| body, h1, h2, h3 { |
zealot128
/ regex.rb
Last active
December 22, 2015 15:39
Regex to extract youtube video id
Matches: http://youtu.be/ID
http://www.youtube.com/watch?v=ID
http://www.youtube.com/v/ID&
http://www.youtube.com/embed/ID&
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| # normal regex with unnamed groups -> JS/PHP,Pearl | |
| /(\/v\/|\/embed\/|watch?.*v=)([A-Za-z0-9\-_]*)|youtu\.be\/([A-Za-z0-9\-_]*)/ | |
| # normal regex with named groups | |
| m = /(\/v\/|\/embed\/|watch?.*v=)(?<id>[A-Za-z0-9\-_]*)|youtu\.be\/(?<id>[A-Za-z0-9\-_]*)/ | |
| m.match("http://youtu.be/fat9235")[:id] | |
| # -> fat9235 | |
zealot128
/ crawler.rb
Last active
August 15, 2018 12:22
Web Crawler Helper class based upon Poltergeist (PhantomJS).Using Capybara as framework for building webcrawlers is surprisingly convenient
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| class ExampleCrawler < PoltergeistCrawler | |
| def crawl | |
| visit "https://news.ycombinator.com/" | |
| click_on "More" | |
| page.evaluate_script("window.location = '/'") | |
| end | |
| end | |
| ExampleCrawler.new.crawl |
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| ole_bin = File.open("...","rb") | |
| # just look for PDF Marker and EOF Marker | |
| pdf_bin = ole_bin[/(%PDF-.*%%EOF\r?\n)/m,1] |
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| augroup ansible_yaml | |
| autocmd! | |
| au BufRead playbook.yml,roles/*yml,ansible*yml call SetAnsibleOpts() | |
| augroup END | |
| function SetAnsibleOpts() | |
| syntax match yamlInterpolate '$\w\+\|{{[^}]\+}}' | |
| syntax match yamlInterpolate '$\w\+\|{{[^}]\+}}' contained containedin=yamlString | |
| syntax match yamlConstant '\(with_items\|when\|name\|notify\|ignore_errors\|changed_when\|register\|with_password\):' | |
| endfunction |