[{"data":1,"prerenderedAt":397},["ShallowReactive",2],{"project-13866507":3},{"id":4,"name":5,"line":5,"line_source":6,"title":7,"url":8,"domain":9,"maker":10,"posted_at":11,"year":12,"points":13,"comments":14,"rank_in_year":15,"shown_in_year":16,"top":17,"tier":18,"category":19,"subcategory":20,"format":21,"keywords":22,"reception":27,"sentiment":28,"stance_mix":29,"scored_comments":34,"aspects":35,"strip":44,"post_text":45,"what":46,"said":59,"maker_in_thread":147,"shape":158,"grid":163,"attempts":360,"same_week":361,"maker_shows":42,"maker_hidden":390,"reader_version":391,"card":392},"13866507","Every Day Is Pi Day","title","Show HN: Every Day Is Pi Day","http:\u002F\u002Feuler.party\u002F","euler.party","theden",1489489807,2017,147,83,259,2242,12,"notable","creative","fun pi web toy","web_app",[23,24,25,26],"pi digits","pi day","date search","pi","curious",-0.17,{"positive":30,"neutral":31,"mixed":32,"critical":33},3,17,1,13,34,{"idea":36,"design":38,"execution":41,"performance":43},{"positive":30,"critical":37},2,{"positive":39,"critical":40},0,4,{"positive":39,"critical":42},5,{"positive":39,"critical":37},[39,30,30,30,39,39,39,39,39,39,39,39,32,30,39,32,32,30,30,30,30,32,32,30,32,39,39,30,32,32,39,42,39,39,32,39,42,32,39,30],null,{"problem":45,"audience":45,"pricing":45,"motivation":45,"time_to_build":45,"stack":47,"openness":56,"stage":57,"team_size":58},[48],{"value":49,"source":50,"evidence":51},"JavaScript","inferred",[52],{"id":53,"by":54,"text":55},"13867068","martin-adams","For the curious, the source code takes a somewhat obvious approach: http:\u002F\u002Feuler.party\u002Fpi.js Yep, I think that is literally pi to 6 million decimal places then doing an indexof…","open_source","launched","unknown",{"praise":60,"objections":77,"requests":111,"questions":123,"alternatives":132},[61],{"value":62,"source":63,"evidence":64},"Fun, neat demonstration of pi digits","commenter",[65,69,73],{"id":66,"by":67,"text":68},"13867776","trcollinson","It seems this Show HN proves you rather wrong. I understand the point, you use a different format for your dates than the US. But the point of this Show HN is that all number…",{"id":70,"by":71,"text":72},"13867392","someloll","I loved this: http:\u002F\u002Feuler.party\u002Fpi.js but it could have been done better by preallocating an array of size [86400] (all seconds in a day)",{"id":74,"by":75,"text":76},"13867195","onion2k","\"Euler\" is pronounced \"Oiler\", which makes the domain quite amusing if you share my childish sense of humour.",[78,89,96],{"value":79,"source":63,"evidence":80},"Date format is US-centric; ISO or DD\u002FMM users are left out",[81,85],{"id":82,"by":83,"text":84},"13867756","Jaruzel","For most of us in the world, No Day is Pi Day. http:\u002F\u002Fimgur.com\u002F1r5QpQu",{"id":86,"by":87,"text":88},"13867859","GlennS","Also works with YYYY-MM-DD... Although admittedly I too find the US date system's wrong-endianness pretty annoying.",{"value":90,"source":63,"evidence":91},"Text rendering is blurry",[92],{"id":93,"by":94,"text":95},"13866994","seszett","The text is very blurry on my browser, I'm not sure if it's intended but it makes it hard to focus on what's written.",{"value":97,"source":63,"evidence":98},"Pi digits do not provably contain all sequences; some times are missing",[99,103,107],{"id":100,"by":101,"text":102},"13868716","oneeyedpigeon","> all number sequences can be found within the digits of pi quite easily I dispute that, although I guess the general brute-force solution is 'easy' given infinite time.",{"id":104,"by":105,"text":106},"13868201","zulln","I wrote a quick script to test it. It does not take leap seconds into consideration and assumes all months to have 31 days (would be easy to modify, but it is sufficient for the…",{"id":108,"by":109,"text":110},"13867214","anfractuosity","I wonder if the 6 million digits cover all possible 6 digit year and time combinations, I guess it wouldn't be hard to bruteforce check. Edit: I just noticed for the time digits,…",[112,116],{"value":113,"source":63,"evidence":114},"Remove the text blur",[115],{"id":93,"by":94,"text":95},{"value":117,"source":63,"evidence":118},"Preallocate array or use a better data structure than a string",[119,120],{"id":70,"by":71,"text":72},{"id":121,"by":101,"text":122},"13869071","I certainly wasn't suggesting that! Surely there's a superior data structure than a string, though.",[124],{"value":125,"source":63,"evidence":126},"Does the 6 million digit string cover all date and time combinations?",[127,128],{"id":108,"by":109,"text":110},{"id":129,"by":130,"text":131},"13868484","mbb70","A quick script from me determined you need 10,524,628 decimals of pi for this to work for all dates and times, with the limiting time being 16:25:42.",[133,140],{"value":134,"source":63,"evidence":135},"pifs project for finding files in pi",[136],{"id":137,"by":138,"text":139},"13869674","rnhmjoj","Seen this already? https:\u002F\u002Fgithub.com\u002Fphilipl\u002Fpifs",{"value":141,"source":63,"evidence":142},"Reverse lookup of seconds to pi offsets",[143],{"id":144,"by":145,"text":146},"13869703","slau","pi to the 10 millionth digit was not enough. I had to use the billionth (didn't try anything between those two). Mind you, the 10 millionth only had 3 times that didn't match.…",{"comments":30,"answered":39,"key":148},[149,152,155],{"id":150,"text":151},"13873546","Hey seszett good point, I removed the blur. For context, I wrote this project a while ago and never got around to cleaning it up.",{"id":153,"text":154},"13890191","Nice! That's pretty neat zulln. If you'd like to improve things, I do accept pull requests https:\u002F\u002Fgithub.com\u002FTheDen\u002FPiDay",{"id":156,"text":157},"13873743","Great work slau. I do accept pull requests https:\u002F\u002Fgithub.com\u002FTheDen\u002FPiDay if you do want to add improvements",{"commenters":159,"max_depth":160,"maker_replies":30,"first_comment_mins":161,"lifespan_hours":162},52,6,90,146,[164,166,168,170,174,177,180,181,182,185,188,191,193,196,199,202,205,207,210,212,214,216,219,221,223,226,229,232,235,237,239,242,245,248,251,254,257,259,261,262,265,269,271,273,275,278,280,281,282,284,286,288,290,291,293,295,299,301,305,306,309,310,313,316,319,322,325,328,330,333,336,338,342,345,348,350,353,356],[82,39,39,165,83,39],"other\u002Fneutral\u002Fnone",[66,39,42,167,67,39],"project\u002Fpositive\u002Fidea",[100,39,32,169,101,39],"project\u002Fcritical\u002Fidea",[171,39,30,172,173,39],"13868844","project\u002Fneutral\u002Fidea","geofft",[175,39,30,172,176,39],"13869405","lutusp",[178,39,39,179,101,39],"13869685","commenter\u002Fneutral\u002Fnone",[137,39,30,172,138,39],[86,39,39,165,87,39],[183,39,39,165,184,39],"13868172","TallGuyShort",[186,39,39,165,187,39],"13869018","clarkcox3",[189,39,39,165,190,39],"13869349","SAI_Peregrinus",[192,39,39,165,184,39],"13873275",[194,39,39,165,195,39],"13868838","teekert",[197,39,39,165,198,39],"13869012","athenot",[200,39,39,165,201,39],"13869109","Shivatron",[203,39,39,179,204,39],"13869425","ska",[206,39,39,179,198,39],"13871870",[208,39,39,165,209,39],"13867877","fao_",[211,39,39,179,83,39],"13867904",[213,39,39,179,209,39],"13868400",[215,39,39,165,198,39],"13868951",[217,39,39,165,218,39],"13868448","nkantar",[220,39,39,165,195,39],"13868821",[93,32,32,222,94,39],"project\u002Fcritical\u002Fdesign",[224,32,30,225,195,39],"13867067","project\u002Fneutral\u002Fdesign",[227,32,30,225,228,39],"13867097","odonnellryan",[230,32,30,225,231,39],"13867135","XaspR8d",[233,32,39,165,234,39],"13867468","nxc18",[236,32,39,165,228,39],"13888202",[238,32,39,165,234,39],"13914022",[240,32,32,222,241,39],"13867102","trymas",[243,32,30,225,244,39],"13868849","flamtap",[246,32,32,222,247,39],"13867155","torrent-of-ions",[249,32,30,225,250,39],"13867722","maggit",[252,32,30,225,253,39],"13867828","beager",[255,32,30,225,256,39],"13867636","tcfunk",[150,32,39,258,10,32],"maker\u002Fneutral\u002Fdesign",[53,37,30,260,54,39],"project\u002Fneutral\u002Fexecution",[108,37,30,260,109,39],[263,37,30,260,264,39],"13867309","ilogik",[266,37,32,267,268,39],"13867324","project\u002Fcritical\u002Fexecution","tgb",[270,37,32,267,101,39],"13868845",[272,37,32,267,105,39],"13868214",[274,37,30,260,268,39],"13867359",[276,37,30,260,277,39],"13867378","majewsky",[279,37,39,179,268,39],"13867518",[104,37,32,267,105,39],[129,37,32,267,130,39],[283,37,39,179,176,39],"13869588",[285,37,39,179,105,39],"13869629",[153,37,39,287,10,32],"maker\u002Fpositive\u002Fexecution",[289,37,39,179,176,39],"13869553",[144,37,30,260,145,39],[156,37,39,292,10,32],"maker\u002Fpositive\u002Fnone",[294,37,39,179,145,39],"13877352",[296,37,32,297,298,39],"13867389","project\u002Fcritical\u002Fperformance","haburka",[300,37,32,297,101,39],"13868813",[302,37,39,303,304,39],"13868961","commenter\u002Fneutral\u002Fperformance","theandrewbailey",[121,37,39,179,101,39],[307,37,39,165,308,39],"13869347","Xophmeister",[74,30,42,167,75,39],[311,30,39,165,312,39],"13867304","topbanana",[314,30,39,165,315,39],"13867433","gpvos",[317,30,39,165,318,39],"13867477","ClassyJacket",[320,30,39,165,321,39],"13867604","mod",[323,30,39,165,324,39],"13867873","bionsuba",[326,30,32,169,327,39],"13867623","z3t4",[70,40,30,329,71,39],"project\u002Fmixed\u002Fexecution",[331,40,39,332,54,39],"13868132","commenter\u002Fneutral\u002Fexecution",[334,42,39,165,335,39],"13868788","partycoder",[337,160,39,165,176,39],"13870045",[339,340,42,167,341,39],"13869735",7,"dwe3000",[343,344,32,222,268,39],"13867277",8,[346,344,39,165,347,39],"13867332","mrspeaker",[349,344,39,165,277,39],"13867401",[351,344,39,165,352,39],"13867417","Karellen",[354,344,39,165,355,39],"13867640","catshirt",[357,358,30,172,359,39],"13869511",9,"spcelzrd",[],[362,367,372,376,381,386],{"id":363,"name":364,"points":365,"category":366},"13838659","Sleeping Beauty",319,"games",{"id":368,"name":369,"points":370,"category":371},"13847301","Nomouse",228,"productivity",{"id":373,"name":374,"points":375,"category":19},"13874844","codepen.io",202,{"id":377,"name":378,"points":379,"category":380},"13837804","thisnumber.rocks",134,"infrastructure",{"id":382,"name":383,"points":384,"category":385},"13879475","FaunaDB",131,"data",{"id":387,"name":388,"points":389,"category":19},"13845768","clocks.80limit.com",117,false,"v2",{"id":393,"name":5,"line":5,"ai":390,"cat":19,"year":12,"points":13,"comments":14,"rec":27,"s":28,"top":17,"kw":394,"maker":10,"domain":9,"tier":18,"attempts":39,"strip":395,"url":8,"mix":396,"praise":62,"objection":79,"sub":20},13866507,[23,24,25,26],"0333000000001301133331131003110500105103",[30,31,32,33],1794036553501]