[{"data":1,"prerenderedAt":422},["ShallowReactive",2],{"project-14023196":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":27,"sentiment":28,"stance_mix":29,"scored_comments":33,"aspects":34,"strip":42,"post_text":44,"what":45,"said":65,"maker_in_thread":125,"shape":134,"grid":138,"attempts":386,"same_week":387,"maker_shows":32,"maker_hidden":414,"reader_version":415,"card":416},"14023196","Is It Snappy?","Measure latency with your iPhone's 240 Hz camera","title","Show HN: Is It Snappy? – Measure latency with your iPhone's 240 Hz camera","http:\u002F\u002Fisitsnappy.com","isitsnappy.com","chadaustin",1491231657,2017,293,84,74,2242,4,"legend","dev_tools","latency measurement","mobile_app",[21,24,25,26],"input lag","high speed camera","iphone app","loved",0.379,{"positive":30,"neutral":31,"mixed":32,"critical":32},13,14,1,29,{"idea":35,"design":38,"performance":39,"execution":41},{"positive":36,"critical":37},9,0,{"positive":32,"critical":37},{"positive":40,"critical":32},3,{"positive":37,"critical":37},[43,37,37,37,37,37,37,37,37,40,43,37,37,43,37,37,37,40,43,37,37,37,37,37,37,40,43,43,37,43,43,32,43,43,43,40,40,37,43,37],5,null,{"problem":44,"audience":46,"pricing":44,"motivation":44,"time_to_build":44,"stack":62,"openness":63,"stage":64,"team_size":63},{"value":47,"source":48,"evidence":49},"Developers, gamers and hardware reviewers who care about input lag.","inferred",[50,54,58],{"id":51,"by":52,"text":53},"14025750","Darthy","Great work! I've already measured 4 of my gaming systems. The NDS outperformed them all - Rhythm Paradise reacts in 33ms from tap to image change B-) I can imagine screenshot…",{"id":55,"by":56,"text":57},"14026058","potomushto","I'm building a similar app for measuring UI latencies, but as a desktop app (for regressions checks on CI). Your app seems much more universal and platform-agnostic, really cool…",{"id":59,"by":60,"text":61},"14029939","Slartie","This is awesome! I work in the cash register software development world, and our customers are sometimes quite picky about the latency of our systems as a whole (= the time…",[],"unknown","launched",{"praise":66,"objections":77,"requests":85,"questions":104,"alternatives":113},[67],{"value":68,"source":69,"evidence":70},"Useful tool for measuring latency that few people measure","commenter",[71,75,76],{"id":72,"by":73,"text":74},"14031148","modeless","This is great! Measuring latency is the first step to fixing it, and it's a step most never take. I've previously worked on a method of measuring latency in an automated way…",{"id":51,"by":52,"text":53},{"id":59,"by":60,"text":61},[78],{"value":79,"source":69,"evidence":80},"Camera precision of about 4ms is coarse for claimed editor latencies",[81],{"id":82,"by":83,"text":84},"14029087","stevage","Surprised that the author is quoting latency of editors to 0.1ms, when the precision of the camera is only 4ms. Are they really repeating these tests 40+ times?",[86,97],{"value":87,"source":69,"evidence":88},"Android support",[89,93],{"id":90,"by":91,"text":92},"14025599","notheguyouthink","Would love this for Android! Hell, i'd happily buy it!",{"id":94,"by":95,"text":96},"14025652","k__","Are there any Android smartphones with 240Hz cams?",{"value":98,"source":69,"evidence":99},"Audio or sound visualization for input timing",[100],{"id":101,"by":102,"text":103},"14024749","amadeusw","Our current benchmarks tell us what's happening after OS sends keystroke to the text editor and before we hand off rendering to the OS. This tool has potential to tell us what's…",[105],{"value":106,"source":69,"evidence":107},"Does it work on Pixel or other Android high-speed cameras?",[108,112],{"id":109,"by":110,"text":111},"14026918","wnevets","Could something like this work with the pixel's camera?",{"id":94,"by":95,"text":96},[114],{"value":115,"source":69,"evidence":116},"LED and photodiode rigs with oscilloscopes",[117,121],{"id":118,"by":119,"text":120},"14026683","1maginary","Tangentially relevant, but I've been part of several communities that have discovered a lot of interesting things about some video games using high-speed cameras. Super Smash…",{"id":122,"by":123,"text":124},"14025905","stinos","Ubuntu latency is better than Windows 10 on this hardware?! Way to go! Better check your videocard driver's settings. For NVidia on Windows, you can for example alter number of…",{"comments":126,"answered":37,"key":127},2,[128,131],{"id":129,"text":130},"14026249","Yikes! I'll see if I can reproduce. Thanks for the bug report!",{"id":132,"text":133},"14029309","Fix is in the App Store! Update should come soon.",{"commenters":135,"max_depth":43,"maker_replies":126,"first_comment_mins":136,"lifespan_hours":137},70,115,55,[139,141,145,149,153,156,159,162,164,167,170,172,175,177,180,183,186,189,192,194,197,200,202,205,208,211,213,216,218,222,225,229,232,235,238,241,244,246,250,253,256,260,263,265,268,270,273,276,279,282,285,288,291,294,297,300,303,305,309,313,316,320,323,325,327,331,334,338,341,345,347,349,351,352,355,358,362,364,365,369,372,376,380,383],[118,37,40,140,119,37],"project\u002Fneutral\u002Fnone",[142,37,43,143,144,37],"14027787","project\u002Fpositive\u002Fidea","kevinwang",[146,37,37,147,148,37],"14031633","commenter\u002Fneutral\u002Fnone","NietTim",[150,32,37,151,152,37],"14028526","other\u002Fneutral\u002Fnone","rossy",[154,32,37,151,155,37],"14028872","0xcde4c3db",[157,126,37,151,158,37],"14024808","theodorton",[160,126,37,151,161,37],"14027137","nkristoffersen",[163,126,37,147,158,37],"14029818",[165,126,37,151,166,37],"14029312","19eightyfour",[168,126,37,147,169,37],"14029468","brokenmachine",[171,126,37,151,158,37],"14029828",[173,126,37,147,174,37],"14039067","rasz",[176,126,37,151,148,37],"14031643",[178,40,37,147,179,37],"14026682","criley2",[181,40,37,147,182,37],"14026777","comex",[184,40,37,147,185,37],"14026806","betenoire",[187,40,37,147,188,37],"14026813","function_seven",[190,40,37,151,191,37],"14029234","krallja",[193,40,37,151,188,37],"14029775",[195,40,37,151,196,37],"14046256","elfchief",[198,18,40,140,199,37],"14025819","qq66",[51,43,43,201,52,37],"project\u002Fpositive\u002Fdesign",[122,203,40,204,123,37],6,"project\u002Fneutral\u002Fperformance",[206,203,37,151,207,37],"14026538","swinglock",[209,203,37,151,210,37],"14026647","jesperhh",[212,203,37,151,207,37],"14027553",[214,203,37,151,215,37],"14029314","kevingadd",[217,203,37,151,215,37],"14029313",[219,220,43,143,221,37],"14025129",7,"mrb",[223,220,37,151,224,37],"14029895","emsy",[226,227,37,151,228,37],"14026260",8,"tyingq",[230,227,37,151,231,37],"14026304","problems",[233,227,37,151,234,37],"14026424","IanCal",[236,227,37,151,237,37],"14026450","cuonic",[239,227,37,151,240,37],"14028294","jurie",[242,227,37,151,243,37],"14028860","photojosh",[101,36,40,245,102,37],"project\u002Fneutral\u002Fdesign",[247,248,40,140,249,37],"14025837",10,"louprado",[59,251,43,252,60,37],11,"project\u002Fpositive\u002Fperformance",[254,251,37,151,255,37],"14030537","bewo001",[257,258,37,151,259,37],"14025640",12,"abpavel",[261,258,37,151,262,37],"14025706","athenot",[264,258,37,147,259,37],"14025925",[266,258,37,147,267,37],"14025734","aeorgnoieang",[269,258,37,147,259,37],"14026040",[271,258,37,151,272,37],"14025772","Strom",[274,258,37,151,275,37],"14026672","rtkwe",[277,258,37,151,278,37],"14025815","chadgeidel",[280,258,37,151,281,37],"14025954","tantalor",[283,258,37,151,284,37],"14026077","semi-extrinsic",[286,258,37,151,287,37],"14028518","spyder",[289,258,37,151,290,37],"14028629","emmelaich",[292,30,40,204,293,37],"14026286","zokier",[295,31,40,204,296,37],"14026006","_rknLA",[298,299,43,143,161,37],"14024628",15,[301,299,43,252,302,37],"14024799","StyloBill",[72,304,43,252,73,37],16,[306,307,37,151,308,37],"14026256",17,"Razengan",[310,311,37,151,312,37],"14024875",18,"floatboth",[314,311,37,151,315,37],"14025321","voidwtf",[317,318,43,143,319,37],"14025121",19,"samstave",[321,318,37,151,322,37],"14025699","kbenson",[324,318,37,151,290,37],"14028638",[326,318,37,151,174,37],"14039103",[328,329,43,143,330,37],"14028329",20,"js2",[82,332,32,333,83,37],21,"project\u002Fcritical\u002Fperformance",[335,336,40,337,284,37],"14024551",22,"project\u002Fneutral\u002Fidea",[339,336,40,337,340,37],"14024578","alnitak",[342,343,43,143,344,37],"14025948",23,"dmytroi",[55,346,43,143,56,37],24,[109,348,40,337,110,37],25,[90,350,43,143,91,37],26,[94,350,40,140,95,37],[353,350,40,140,354,37],"14025758","lima",[356,350,40,140,357,37],"14026060","vardump",[359,360,40,361,207,37],"14026209",27,"project\u002Fmixed\u002Fexecution",[129,360,37,363,11,32],"maker\u002Fpositive\u002Fexecution",[132,360,37,363,11,32],[366,367,37,151,368,37],"14026147",28,"metricodus",[370,33,40,337,371,37],"14026637","chis",[373,374,43,143,375,37],"14030431",30,"xer0x",[377,378,37,151,379,37],"14025332",31,"Neliquat",[381,378,37,151,382,37],"14026496","sjm",[384,378,37,151,385,37],"14028957","Nition",[],[388,392,397,401,406,410],{"id":389,"name":390,"points":391,"category":20},"14032201","React-data sheet",345,{"id":393,"name":394,"points":395,"category":396},"13995891","Redux Offline",174,"languages",{"id":398,"name":399,"points":400,"category":20},"14022059","develmail",149,{"id":402,"name":403,"points":404,"category":405},"14007257","Interactive ClojureScript book",134,"learning_science",{"id":407,"name":408,"points":409,"category":405},"14043519","Robotopia",133,{"id":411,"name":412,"points":413,"category":396},"14041400","AcrossTabs",107,false,"v2",{"id":417,"name":5,"line":6,"ai":414,"cat":20,"year":13,"points":14,"comments":15,"rec":27,"s":418,"top":18,"kw":419,"maker":11,"domain":10,"tier":19,"attempts":37,"strip":420,"url":9,"mix":421,"praise":68,"objection":79,"sub":21},14023196,0.38,[21,24,25,26],"5000000003500500035000000355055155533050",[30,31,32,32],1793990957290]