[{"data":1,"prerenderedAt":181},["ShallowReactive",2],{"project-10637278":3},{"id":4,"name":5,"line":6,"line_source":7,"title":8,"url":9,"domain":10,"maker":11,"posted_at":12,"year":13,"points":14,"comments":15,"rank_in_year":16,"shown_in_year":17,"top":18,"tier":19,"category":20,"subcategory":21,"format":22,"keywords":23,"reception":29,"sentiment":30,"stance_mix":31,"scored_comments":15,"aspects":35,"strip":39,"post_text":42,"what":43,"said":71,"maker_in_thread":126,"shape":128,"grid":131,"attempts":142,"same_week":143,"maker_shows":41,"maker_hidden":173,"reader_version":174,"card":175},"10637278","Real Time Black Friday Dashboard","Real Time Black Friday Dashboard – using Perl, Postgres, Geckoboard","title","Show HN: Real Time Black Friday Dashboard – using Perl, Postgres, Geckoboard","https:\u002F\u002Fthanksgiving.semantics3.com\u002F","thanksgiving.semantics3.com","netvarun",1448632373,2015,46,6,616,2565,25,"shown","web_saas","analytics dashboard","web_app",[24,25,26,27,28],"black friday","price tracking","geckoboard dashboard","perl","postgres","curious",0.133,{"positive":32,"neutral":33,"mixed":32,"critical":34},1,4,0,{"design":36,"docs":37,"execution":38},{"positive":34,"critical":34},{"positive":32,"critical":34},{"positive":34,"critical":34},[40,41,40,40,40,40],3,5,null,{"problem":44,"audience":42,"pricing":42,"motivation":42,"time_to_build":42,"stack":52,"openness":68,"stage":69,"team_size":70},{"value":45,"source":46,"evidence":47},"Shows real-time Black Friday product price changes in one dashboard","inferred",[48],{"id":49,"by":50,"text":51},"10640382","vinothgopi","Geckoboard part was relatively easy - they have a nice interface to design beautiful looking dashboards. Main magic was in the data pipeline. We tagged products that are Black…",[53,60,64],{"value":54,"source":55,"evidence":56},"Perl","commenter",[57],{"id":58,"by":50,"text":59},"10640486","Our entire data processing pipeline is actually written in perl (that is several 10s of thousands of lines of code). So is the subcomponent that actually pipes the data to…",{"value":61,"source":55,"evidence":62},"Postgres",[63],{"id":49,"by":50,"text":51},{"value":65,"source":55,"evidence":66},"Geckoboard",[67],{"id":49,"by":50,"text":51},"unknown","launched","company",{"praise":72,"objections":92,"requests":97,"questions":110,"alternatives":125},[73,84,88],{"value":74,"source":55,"evidence":75},"Layout and information overview is neat",[76,80],{"id":77,"by":78,"text":79},"10640635","kjstevo","I like the layout and information overview. However, I'm disappointed clicking on items doesn't give me more information or send me to the relevant external page. It looks good…",{"id":81,"by":82,"text":83},"10640919","Surio","Like the others, I too find the layout and info overview is neat. Good use-case demo of real-time information scraping of the sale. Also, like a few others, the \"Perl\" in your…",{"value":85,"source":55,"evidence":86},"Good real-time demo of scraping sale data",[87],{"id":81,"by":82,"text":83},{"value":89,"source":55,"evidence":90},"Useful demo of what Perl can do",[91],{"id":81,"by":82,"text":83},[93],{"value":94,"source":55,"evidence":95},"Clicking items gives no more information or link to source",[96],{"id":77,"by":78,"text":79},[98,102,106],{"value":99,"source":55,"evidence":100},"Detailed technical write-up on how it was built in Perl",[101],{"id":81,"by":82,"text":83},{"value":103,"source":55,"evidence":104},"Open-source code to share examples",[105],{"id":81,"by":82,"text":83},{"value":107,"source":55,"evidence":108},"More interactivity",[109],{"id":77,"by":78,"text":79},[111,118],{"value":112,"source":55,"evidence":113},"How was it built?",[114],{"id":115,"by":116,"text":117},"10637441","clscott","Any more details about how it was built?",{"value":119,"source":55,"evidence":120},"How is the Perl component used?",[121],{"id":122,"by":123,"text":124},"10640454","themckman","I'm interested in knowing more about the Perl component. 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