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Showing posts from September 5, 2021

Show HN: Time Series of CDC's Covid-19 Vaccine Breakthrough Case Reporting https://ift.tt/2YDXsQ2

Show HN: Time Series of CDC's Covid-19 Vaccine Breakthrough Case Reporting The CDC have been providing "COVID-19 Vaccine Breakthrough Case Investigation and Reporting"[1] information for points in time at close to weekly intervals. Every update erases the previous information and there doesn't seem to be an easily accessible table of these data. Snapshots of the page can be found on archive.today[2] and I have saved both those and some recent manually downloaded copies from cdc.gov. Because copying & pasting by hand is error-prone, I wrote some code to extract the bits and pieces. The repo is `nanis/covid19-breakthrough` on GitHub[3]. Snapshots are in the `snapshots` directory. There is also a CSV containing the time series of reported numbers of non-fatal hospitalizations and deaths from COVID-19 among the fully vaccinated[4]. `out/chart.html` shows the time series of fully vaccinated population in millions, hospitalizations and deaths among the fully vaccinated
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How Small Improvements Can Make a Big Difference

How Small Improvements Can Make a Big Difference By Julie Kirschbaum [excerpted from APTA Passenger Transport Magazine, where the  full article is available online ] San Francisco Transit Riders, a non-profit ridership advocacy group, has declared September “transit month” in the city where I live, work and raise my family. As the Director of Muni at the San Francisco Municipal Transportation Agency (SFMTA), and for others across the country in my role, every month is transit month. Still, I must admit that even after working in public transit for more than 20 years, I’m still unabashedly enthusiastic about transit month and about the potential of our industry. When we do things right, we connect communities, improve people’s daily lives, combat climate change and open opportunities for the people who need them most. Because the SFMTA is an integrated transit and transportation agency, we are able to have our planners and engineers work together to design changes that reduce d
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Young People Lean In to San Francisco’s Transportation Future

Young People Lean In to San Francisco’s Transportation Future By On Saturday, September 18th at 1 PM , SFMTA’s Youth Transportation Advisory Board (YTAB) will host a Youth Town Hall both in-person at 49 South Van Ness, Conference Room B (masks required) and virtually. Since February 2021, YTAB members, youth between the ages of 14 and 18, have been sharing their transportation perspectives with SFMTA staff. Now, board members want to hear their peers’ transportation experiences and needs. The goal of the town hall is to learn from youth across the city so the SFMTA can better serve them in the future. The Youth Town Hall will cover a range of transportation-related topics that impact youth and their communities. YTAB hopes this event will support relationship-building with youth and with organizations that serve youth and their families. These relationships will help the SFMTA better meet community needs through youth-informed service improvements. Feedback about youth experiences
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Show HN: Stamp – A Cryptographic Identity System https://ift.tt/3A2Bx36

Show HN: Stamp – A Cryptographic Identity System Hi, everyone. Been playing around with this recently as a sort of PGP successor. It's not all there yet, and I know it's missing some things from PGP, but I figured why not get a start and see what kind of interest/support it might get. https://ift.tt/3nguCzp Effectively, this is a key management system that allows building and signing ("stamping") various claims about yourself and about others. The eventual goal is to create easy-to-use implementations of the protocol that allow logging in to websites or managing cryptographic keys for various security-conscious applications. Secure, simple distributed key management for cryptography and identity management. Currently Stamp uses crypto primitives found in libsodium, but is also built such that different algorithms can be added as needed. The identity itself is set up as a DAG which is appended to by signing transactions with an opinionated set of keys. A DAG was chosen
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September is Transit Month! 

September is Transit Month!  By Guest Author Cat Carter San Francisco Transit Riders, an independent nonprofit advocating for the needs of public transportation customers, started Transit Month six years ago as a way to highlight the importance of public transit in San Francisco - for the city's livability, accessibility and sustainability. This event honors all the riders using Muni to travel in and around San Francisco, as well as all the Muni operators who get us there safely every day. We'll be celebrating the role of transit in the Bay Area's recovery with events, rides and prizes.  Daily Muni ridership never dipped below 100,000 during shelter-in-place-- that's a lot of people who depended on Muni to access essential jobs and services. Muni staff showed up every day, even in the face of the uncertainty of COVID-19, to make sure people could continue reaching their destinations. San Francisco wouldn't be able to exist or recover without all of the Muni sta
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Late Night Subway Service Returns in October

Late Night Subway Service Returns in October By Mariana Maguire The SFMTA plans to extend Muni Metro service in the subway to midnight as part of our ongoing rail recovery and COVD-19 Muni service expansion starting Saturday, October 2. Monday through Saturday, last trains will depart their terminals before midnight and will reach the end of the subway tunnel, in either direction, by midnight. The last eastbound Muni Metro train will depart daily at 11:50 p.m. and last westbound train at 12:00 a.m. Sunday night service will run until approximately 10 p.m. Since May 2021 rail service has run until 9 p.m. daily, allowing maintenance crews more time to conduct vital, ongoing maintenance work. Extending Metro service through the subway until midnight allows Muni to provide late-night service connections to BART, while preserving a large part of our late-night subway maintenance window. To do this necessary and critical maintenance work, crews need several hours without trains in the
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Tell us What You Want Muni Service to Be Like in 2022

Tell us What You Want Muni Service to Be Like in 2022 By Shalon Rogers The 15 Bayview Hunters Point Express is one of Muni’s newest routes. What should Muni service be like in 2022? Now’s your chance to weigh in. The SFMTA is planning to increase Muni service in early 2022. As we add more Muni service, what is the best way to do so? Should we simply restore the seven all-day bus routes that are not currently running just the way they were before the pandemic? Should we improve the frequency and capacity of buses on high-ridership lines? How can we make Muni service better than it was? That’s what we need your help to figure out. SFMTA is pursuing a number of ways to gather feedback from the public on the best path for Muni service moving forward including a series of public meetings, specific stakeholder outreach, and surveys in English, Chinese, Spanish, Filipino, Russian and Vietnamese. Three alternatives for Muni service in 2022 To begin the discussion on what the 2022 Muni
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Show HN: Symbolica – Try our symbolic code executor in the browser https://ift.tt/3yRjRGf

Show HN: Symbolica – Try our symbolic code executor in the browser We're a couple of software engineers who believe that to build great software you need to write good tests, but we also sympathise when engineers say things like: - "Writing tests was too time consuming on my tight schedule", or - "Unit tests don't catch enough bugs, so they're useless", or - "I've inherited a legacy code base without tests and have no idea where to start" To tackle this we're building Symbolica (https://ift.tt/3DTiHO3), a symbolic code executor [1], that lets you run your code for all possible inputs. This means you can do things like: - Assert properties about your code and check that they hold for every conceivable input. - Check that two implementations of the same function/method/program are equivalent, which is really useful if you're refactoring a legacy codebase without tests. - Find out if your code will hit any undefined behaviours, e.g. di
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