---
layout: post
title: Hacknews2020-04-20新闻
category: Hacknews
tags: hacknews
keywords: hacknews
coverage: hacknews-banner.jpg
---
Hacker News 是一家关于计算机黑客和创业公司的社会化新闻网站，由保罗·格雷厄姆的创业孵化器 Y Combinator 创建。
与其它社会化新闻网站不同的是 Hacker News 没有踩或反对一条提交新闻的选项（不过评论还是可以被有足够 Karma 的用户投反对票）；只可以赞或是完全不投票。简而言之，Hacker News 允许提交任何可以被理解为“任何满足人们求知欲”的新闻。
## HackNews Hack新闻

- [It’s Time to Build](https://a16z.com/2020/04/18/its-time-to-build/)
- `该建造了`
- [Beyond the Code: Mining Self-Admitted Technical Debt in Issue Tracker Systems](https://arxiv.org/abs/2003.09418)
- `超越规范：在问题跟踪系统中挖掘自承认的技术债务`
- [A Full Break of the Bitstream Encryption of Xilinx 7-Series FPGAs](https://www.usenix.org/conference/usenixsecurity20/presentation/ender)
- `Xilinx 7系列FPGA的比特流加密的彻底突破`
- [OpenCore: Hackintosh Alternative to Clover](https://github.com/dortania/OpenCore-Desktop-Guide/blob/master/README.md)
- `OpenCore：Hackintosh替代三叶草`
- [Forecasting s-curves is hard](https://constancecrozier.com/2020/04/16/forecasting-s-curves-is-hard/)
- `预测S曲线很困难`
- [Can investors time their exposure to private equity?](https://www.nber.org/papers/w26755)
- `投资者可以定时投资私人股权吗？`
- [An Archaeobotanist Searching Art for Lost Fruit](https://www.atlasobscura.com/articles/fruit-in-renaissance-art)
- `考古学家寻找失落的水果的艺术品`
- ['Bath sponge' breakthrough could boost cleaner cars](https://www.bbc.com/news/science-environment-52328786)
- `气候变化：“浴海绵”的突破可以推动清洁汽车的发展`
- [TracePrivately – open-source sample app using Apple's contact tracing framework](https://github.com/CrunchyBagel/TracePrivately)
- `TracePrivately –使用Apple的联系人跟踪框架的开源示例应用程序`
- [With broad, random tests for antibodies, Germany seeks path out of lockdown](https://www.nytimes.com./2020/04/18/world/europe/with-broad-random-tests-for-antibodies-germany-seeks-path-out-of-lockdown.html)
- `通过对抗体进行广泛的随机测试，德国寻求摆脱锁定的道路`
- [Qt, range-based for loops and structured bindings](https://www.kdab.com/qt-range-based-for-loops-and-structured-bindings/)
- `Qt，基于范围的循环和结构化绑定`
- [A Genealogy of the Idea of Universal Basic Income](https://lareviewofbooks.org/article/free-money-for-surfers-a-genealogy-of-the-idea-of-universal-basic-income/)
- `冲浪者的自由钱：普遍基本收入的思想谱系`
- [Achieving reliable UDP transmission at 10 Gb/s using BSD socket](https://arxiv.org/abs/1706.00333)
- `以10 Gb / s的速度实现可靠的UDP传输pdf`
- [Atbswp, a Minimalist Macro Recorder](https://telegra.ph/Announcing-atbswp-a-minimalist-keyboard-macro-recording-and-playback-tool-03-16)
- `Atbswp，一个极简主义的宏记录器`
- [Brain's Expectations Affect Learning](https://psychcentral.com/news/2020/04/18/how-brains-expectations-affect-learning/155815.html)
- `大脑的期望影响学习`
- [I built a amp+cab+effects simulator for guitar on a Raspberry Pi 4B](https://thingamagig.com/story.html)
- `我如何在Raspberry Pi 4B上为吉他构建一个amp + cab + effects模拟器`
- [OrbitDB: Peer-to-peer databases for the decentralized web](https://github.com/orbitdb/orbit-db)
- `OrbitDB：去中心化网络的点对点数据库`
- [The Baymard Institute: An evidence-based trove of UX best practices](https://medium.com/@seandexter1/the-baymard-institute-a-glorious-evidence-based-trove-of-ux-best-practices-189d839b1176)
- `Baymard Institute：基于证据的UX最佳实践宝库`
- [Covid-19 Fast Grants recipients](https://fastgrants.org/#recipients)
- `Covid-19快速补助金获得者`
- [Ask HN: I'm a software engineer going blind, how should I prepare?](item?id=22918980)
- `问HN：我是一位软件工程师，会盲目，我应该如何准备？`
- [Inductor resonance and self-resonance experiments (2016)](http://g3ynh.info/zdocs/magnetics/appendix/self_res/gallery.html)
- `电感器自谐振实验（2016）`
- [Shorting Home Equity Mezzanine Tranches (2007) pdf](http://static1.squarespace.com/static/56e34fd9e707eb512223f372/56e89b00fd211959539d959d/56e89b02fd211959539d9669/1458084610683/2007_Subprime_Shorting-Home-Equity-Mezzanine-Tranches.pdf?format=original)
- `空头房屋净值夹层交易（2007年2月）pdf`
- [Big Oh and Relations](https://www.solipsys.co.uk/new/BigOhAndRelations.html)
- `大哦和关系`
- [HR tech companies laying people off: was it overdue?](https://joshbersin.com/2020/04/hr-tech-companies-laying-people-off-was-it-overdue/)
- `人力资源科技公司裁员：这是过期吗？`
- [Ask HN: How do I overcome mental laziness?](item?id=22919697)
- `问HN：如何克服精神上的懒惰？`
- [A Bemidji professor is on a quest to keep the Ojibwe language alive](https://www.startribune.com/a-bemidji-professor-is-on-quest-to-keep-the-ojibwe-language-alive/569281272/)
- `贝米吉（Bemidji）教授正在努力保持奥吉布韦语的生命`
- [Payload, singleton, and stride lengths](http://esr.ibiblio.org/?p=8663)
- `有效载荷，单身和步幅长度`
- [What happened to those GM spider goats with the silky milk? (2019)](https://agfundernews.com/what-happened-to-those-gm-spider-goats-with-the-silky-milk.html)
- `那些带有丝滑牛奶的转基因蜘蛛山羊怎么了？ `
- [Crimson Contagion](https://en.wikipedia.org/wiki/Crimson_Contagion)
- `深红传染`
- [The SF Anti-Mask League of 1919](https://mobile.twitter.com/timkmak/status/1251936242834563073)
- `1919年的SF反面罩联盟`
- [In South Korea, a Protester’s Lone Fight Against Samsung](https://www.nytimes.com/2020/04/19/world/asia/samsung-tower-protest.html)
- `在韩国，抗议者与三星的孤单斗争`
- [iCab: Alternative Browser for macOS](http://www.icab.de/)
- `iCab：适用于macOS的替代浏览器`
- [Using a self-rewriting README powered by GitHub Actions to track TILs](https://simonwillison.net/2020/Apr/20/self-rewriting-readme/)
- `使用由GitHub Actions提供支持的自重写自述文件来跟踪TIL`
- [Is the world's best butter worth 50 dollars a pound? (2017)](https://www.saveur.com/worlds-best-fancy-butter/)
- `是世界上最好的黄油，每磅价值50美元吗？ `
- [Bitcoin stealer infected 700 libraries of major programming language](https://decrypt.co/26025/rubygems-bitcoin-stealing-software-reversinglabs)
- `比特币盗窃者感染了700种主要编程语言的库`
- [Swiss Cat Ladders: Documenting and Deconstructing Feline-Friendly Infrastructure](https://99percentinvisible.org/article/swiss-cat-ladders-documenting-deconstructing-feline-friendly-infrastructure/)
- `瑞士猫爬梯：记录和解构对猫友好的基础设施`
- [Designing GraphQL schemas](https://www.ardanlabs.com/blog/2020/04/getting-started-with-dgraph-and-graphql+-.html)
- `Dgraph和GraphQL +入门`
- [ImageNet-trained CNNs are biased towards texture (2019)](https://openreview.net/forum?id=Bygh9j09KX)
- `ImageNet训练的CNN偏向纹理（2019）`
- [Why Do FM Frequencies End in an Odd Decimal? (2015)](https://www.fcc.gov/media/radio/fm-frequencies-end-odd-decimal)
- `为什么FM频率以奇数小数结尾？`
- [Psilocybin Produced in Yeast](https://phys.org/news/2020-04-psychedelic-compound-magic-mushrooms-yeast.html)
- `酵母菌产生的胞菌素`
- [Head of Postal Workers Union Says Postal Service Could Be Dead in Three Months](http://inthesetimes.com/working/entry/22470/mark_dimondstein_apwu_union_post_office_shut_down_trump_gop)
- `邮政工人工会主席说邮政服务可能在三个月内死亡`
- [It's Time to Act – A Response to Marc Andreessen](https://blog.coryfoy.com/2020/04/its-time-to-act-a-response-to-marc-andreessen/)
- `是时候采取行动了–对马克·安德森的回应`
- [Build a Team that Ships (2012)](https://nav.al/build-a-team-that-ships)
- `建立一支运输船队（2012）`
- [The Marvel of Mozart’s Letters](https://www.spectator.co.uk/article/the-marvel-of-mozart-s-letters)
- `莫扎特书信的奇迹`
- [Autogenerating scalable GraphQL API just with a GraphQL schema file](https://dgraph.io/blog/post/designing-graphql-schemas/)
- `仅使用GraphQL模式文件自动生成可扩展的GraphQL API`
- [50k-year-old three-ply cord fragment found at Neanderthal site](https://www.bbc.com/news/world-europe-52267383)
- `在法国尼安德特人遗址发现5万年前的弦`
- [The Multiple Inert Gas Elimination Technique 50 Years Later: Lessons Learned](https://www.semanticscholar.org/paper/The-Multiple-Inert-Gas-Elimination-Technique-50-Wagner/ef2df8b500a3e2871ecc9edf100721e78dc944be)
- `50年后的多种惰性气体消除技术：经验教训`
- [Why Japan’s Rail Workers Can’t Stop Pointing at Things (2017)](https://www.atlasobscura.com/articles/pointing-and-calling-japan-trains)
- `为什么日本的铁路工人不能停止指责（2017）`
- [Kick the Shit Out of Procrastination](https://davidthorpe.dev/kick-the-shit-out-of-procrastination/)
- `摆脱拖延症`
- [Elfeed with Tiny Tiny RSS](https://codingquark.com/emacs/2020/04/19/elfeed-protocol-ttrss.html)
- `Elfeed with Tiny Tiny RSS`
- [Buildings have their own microbiomes](https://theconversation.com/buildings-have-their-own-microbiomes-were-striving-to-make-them-healthy-places-134975)
- `建筑物有自己的微生物群落`
- [Building a PC, Part IX: Downsizing](https://blog.codinghorror.com/building-a-pc-part-ix-downsizing/)
- `建造PC，第IX部分：缩小尺寸`
- [SwimOS: Distributed platform for building stateful, real-time streaming apps](https://github.com/swimos/swim)
- `SwimOS：用于构建有状态的实时流应用程序的分布式平台`
- [Cryptocurrency system using body activity data](https://patentscope.wipo.int/search/en/detail.jsf?docId=WO2020060606&_cid=P20-K97WA4-38682-1)
- `使用身体活动数据的加密货币系统`
- [Remote Work Report](https://about.gitlab.com/remote-work-report/)
- `远程工作报告`
- [Redox-Flow Cell Stores Renewable Energy as Hydrogen](https://spectrum.ieee.org/energywise/energy/renewables/storing-renewable-energy-hydrogen-redoxflow-cell)
- `氧化还原流通池将可再生能源存储为氢`
- [Scaleway C2 and ARM64 instances will reach end of life on December 2020](https://www.scaleway.com/en/docs/migrate-c2-arm64-to-virtual-instance-using-rsync/)
- `Scaleway C2和ARM64实例将于2020年12月到期`
- [Causal Inference and Data-Fusion in Econometrics (2019)](https://arxiv.org/abs/1912.09104)
- `计量经济学的因果推论和数据融合（2019）`
- [Carnival Executives Knew They Had a Virus Problem, but Kept the Party Going](https://www.bloomberg.com/features/2020-carnival-cruise-coronavirus/)
- `嘉年华高管知道他们遇到了病毒问题，但保持了聚会的顺利进行`
- [Valve's Proton Has Brought 6000 Windows Games to Linux So Far](https://boilingsteam.com/proton-brought-about-6000-games-to-linux-so-far/)
- `迄今为止，Valve的Proton已将6000款Windows游戏引入Linux`
- [The Mountains of Pi (1992)](https://www.newyorker.com/magazine/1992/03/02/the-mountains-of-pi)
- `Pi山（1992）`
- [A New Exoplanet and a Martian Helicopter](https://www.planetary.org/the-downlink/new-exoplanet-martian-helicopter.html)
- `新的系外行星和火星直升机`
- [You can’t prove I meant X](https://www.lrb.co.uk/the-paper/v42/n08/clare-bucknell/you-can-t-prove-i-meant-x)
- `你不能证明我的意思是X`
- [The Quest for the Perfect Dark Mode (Gatsby/React)](https://joshwcomeau.com/gatsby/dark-mode/)
- `追求完美的黑暗模式（Gatsby / React）`
- [Gas selling for under $1 per gallon in 13 US states](https://www.nydailynews.com/coronavirus/ny-coronavirus-gas-prices-20200419-6uvja5pxbvaxtozm4l3372aewy-story.html)
- `美国13个州的汽油价格低于每加仑1美元`
- [Oil in New York Plunges Below $15 as Storage Sites Fill](https://www.bloomberg.com/news/articles/2020-04-19/oil-drops-to-18-year-low-on-global-demand-crunch-storage-woes)
- `随着存储地点的增加，纽约的石油价格暴跌至15美元以下`
- [Facebook/CMU Covid-19 U.S. county-by-county symptom map](https://covid-survey.dataforgood.fb.com/)
- `Facebook / CMU Covid-19美国各县症状图`
- [Large Display Is Projected Straight onto Your Retina](https://hackaday.com/2020/04/15/the-smallest-large-display-is-projected-straight-onto-your-retina/)
- `大显示屏直接投射到视网膜上`
- [Denmark: No aid for companies which pay out dividends or are reg. in tax havens](https://www.bloomberg.com/news/articles/2020-04-18/denmark-extends-business-aid-to-increase-spending-by-15-billion)
- `丹麦：对派发股息或受监管的公司不提供任何援助。`

## HackShows Hacks展示
- [ N-gram API based on Google Ngram dataset](http://getmintbox.com/)
- `类似于cRUL的网络工具可轻松测试服务器超时`
- [ ZoomerBackgrounds – community-sourced virtual video backgrounds](https://zoomerbackgrounds.com)
- `显示HN：Zoomerbackgrounds.com –社区提供的虚拟视频背景`
- [ Sound visualisation, better than FFT (iOS)](https://vsound.app)
- `显示HN：声音可视化效果优于FFT（iOS）`
- [ Play Fishbowl at your next virtual hangout (free, open source)](https://fishbowl-game.com/)
- `在下一个虚拟视频群聊中玩Fishbowl（免费，开源）`
- [ A basketball hoop to maximize shots that go in video](https://www.youtube.com/watch?v=vtN4tkvcBMA)
- `节目HN：篮球筐可最大化拍摄视频`
- [ Gentle is a social app where you give and get kindness](https://gentle.app/)
- `温柔是一个社交应用程序，您可以在其中给予和获得友善（TestFlight）`
- [ Vault on AWS – A Terraform Project for Secrets Management Anywhere](https://github.com/jcolemorrison/vault-on-aws)
- `AWS上的保险柜–随时随地进行秘密管理的Terraform项目`
- [ Shishua – Fast pseudo-random generator](https://espadrine.github.io/blog/posts/shishua-the-fastest-prng-in-the-world.html)
- `Show HN：Shishua –快速伪随机数发生器`
- [ Explore Wikipedia edits made by institutions, companies and governments](https://ailef.tech/2020/04/18/discovering-wikipedia-edits-made-by-institutions-companies-and-government-agencies/)
- `探索由机构，公司和政府进行的Wikipedia编辑`
- [ I made a multiplayer web game with Elm](https://qdice.wtf)
- `我和Elm做了一个多人网页游戏`
- [ Sheets Add-On for Monte-Carlo Simulations](https://gsuite.google.com/u/0/marketplace/app/causal_scenarios/383280853562)
- `用于蒙特卡洛模拟的图纸附件`
- [ Universal Tone Generator – A Generative Music Experience](http://utg.ezralafleur.com)
- `通用音源–生成音乐的体验`
- [ Codelift – A “No Code” GUI for Your React App](https://github.com/ericclemmons/codelift)
- `Codelift – React App的“无代码” GUI`
- [ Errorship, use datadog as an error tracker](https://errorship.com/)
- `显示HN：错误，将datadog用作错误跟踪器`
- [ Minimal Recipe – Recipes without the bloat](https://minimalrecipe.com)
- `最小配方–没有膨胀的配方`
- [ Dialogflow for Web – the Dialogflow Web Integration you were missing](https://github.com/mishushakov/dialogflow-web-v2)
- `Dialogflow for Web –您缺少的Dialogflow Web集成`
- [ Monte Carlo ray tracer in Rust](https://github.com/Dalamar42/rayt)
- `Rust中的Monte Carlo射线追踪器`
- [ Brök – Find broken links in text documents](https://github.com/smallhadroncollider/brok#brök)
- `Brök–在文本文档中查找损坏的链接`
- [ Chatparty – host videochat parties with no audio](https://chatparty.co/)
- `聊天聚会–主持不带音频的视频聊天聚会`
- [ Atbswp, a Minimalist Macro Recorder](https://github.com/rmpr/atbswp)
- `Atbswp，一个极简主义的宏记录器`
- [ Manticore – Static site generator in Python](https://github.com/blazephoenix/manticore)
- `Manticore – Python中的静态站点生成器`
- [ Teddy Bear Tracker iOS App](item?id=22917281)
- `泰迪熊追踪器iOS应用`
- [ Strainer, Rust CLI for finding duplicate code in a project](https://github.com/brundonsmith/strainer)
- `Strainer，Rust CLI，用于在项目中查找重复的代码`
- [ A tiny, static AMD API implementation](https://github.com/morris/samd)
- `一个微小的静态AMD API实现`
- [ Stream your pen/paper, explain remote students super effectively](item?id=22916770)
- `流笔/纸，超级有效地解释远程学生`
- [ Box Line Text – A simple whiteboarding tool for screencasts](https://github.com/jncraton/box-line-text)
- `框线文本–用于截屏视频的简单白板工具`
- [ Renga Game, make your friend guess movies using only 3 emojis](https://renga.party/)
- `Renga Game，让您的朋友仅使用3个表情符号猜电影`
- [ Pxy – A Go server that proxies websocket livestreams to RTMP servers](https://github.com/chuabingquan/pxy)
- `显示HN：Pxy –将Websocket实时流代理到RTMP服务器的Go服务器`
- [ Create and Render 3D models in Go](https://github.com/unixpickle/model3d)
- `在Go中创建和渲染3D模型`
- [ A programmable tooltip on Mac OS](https://tanin.nanakorn.com/main/2020/04/19/use-tooltip-to-speed-up-your-workflow.html)
- `Mac OS上的可编程工具提示`
- [ Stream your pen/paper, explain remote students super effectively](https://show.veda.ai/?hn=1)
- `流笔/纸，超级有效地解释远程学生`
- [ Toe Codes – QR codes with the domain in the code pattern](https://www.toecodes.com)
- `脚趾代码– QR码，代码模式中包含域`
- [ Knaqq, Learn Anything with Visual Educational Mini Books](item?id=22918270)
- `Knaqq，通过可视化教育迷你书学习一切`
- [ Extract a .app from the macOS Zoom Installer to Drag to /Applications](https://gist.github.com/yig/af5bbb054bb9c4de39abc9156e6863e1)
- `从macOS Zoom Installer中提取一个.app以拖动到/ Applications`
- [ Netpeek – Application Layer Sniffer](https://github.com/darshanime/netpeek)
- `Netpeek –应用层嗅探器`
- [ The Gives – Watch videos with friends](https://the.gives/)
- `Show HN：The Gives –与朋友一起观看视频`
- [ Pathtracing Neon Landscapes in R](https://www.tylermw.com/pathtracing-neon-landscapes-in-r/)
- `R中霓虹灯风景的路径追踪`
- [ Lidia – Short and handy Wikipedia audio summaries](http://llidia.com)
- `Lidia –便捷的Wikipedia音频摘要`
- [ ETL and EDA on the Covid-19 global datasets using pandas and matplotlib](https://github.com/PhantomInsights/covid-19)
- `使用pandas和matplotlib在Covid-19全局数据集上进行ETL和EDA`