Monday, November 30, 2020
Sunday, November 29, 2020
Show HN: Thi.ng – open-source building blocks for computational design https://news.ycombinator.com/item?id=25237181
Show HN: Dicom Medical Image Library in Go (v1.0.0) https://news.ycombinator.com/item?id=25250589
Show HN: Luciex – A small simplistic state management library https://news.ycombinator.com/item?id=25236658
Show HN: Pronounce – practice while you browse for any language https://news.ycombinator.com/item?id=25236444
Saturday, November 28, 2020
Show HN: Pragma – Build beautiful GraphQL APIs in no time https://news.ycombinator.com/item?id=25243227
Show HN: liblgpp – an extensible stack based VM for interpreters in C++ https://news.ycombinator.com/item?id=25243084
Show HN: A rap song about becoming a tech lead https://news.ycombinator.com/item?id=25242871
Show HN: Beating the Markets with Artificial Intelligence Driven Portfolios https://news.ycombinator.com/item?id=25236677
Friday, November 27, 2020
Show HN: NFreezer – Encrypted-at-rest remote backup tool https://news.ycombinator.com/item?id=25231566
Thursday, November 26, 2020
Show HN: A GPS for any map (Android app) https://news.ycombinator.com/item?id=25223579
Show HN: Save web pages as self-extracting HTML/ZIP files from the CLI https://news.ycombinator.com/item?id=25218947
Wednesday, November 25, 2020
Show HN: QAReplay – Record steps to reproduce effortlessly https://news.ycombinator.com/item?id=25216483
Show HN: Hashnode - the easiest way to start a developer blog and get readership https://news.ycombinator.com/item?id=25206604
Tuesday, November 24, 2020
Show HN: GiftGenius a GPT-3 Powered Gift Recommendation Engine https://news.ycombinator.com/item?id=25206146
Show HN: I made a simple tool to sell your services on a subscription basis https://news.ycombinator.com/item?id=25206075
Show HN: A first embedded Rust project – Prototype car dashboard camera https://news.ycombinator.com/item?id=25205045
Show HN: Hosted Blazor+Fusion sample (real-time WASM and .NET 5 app) https://news.ycombinator.com/item?id=25203784
Shared Spaces Lights Up Skybridge on Stevenson
By Nehama Rogozen
The Shared Spaces program has imagined new ways to utilize public spaces around the city. Skybridge on Stevenson, a unique partnership between SFMTA, OEWD, the San Francisco Parks Alliance, the Mid Market Community Benefit District, and Zendesk in an alley in SoMa illustrated how coming together, we can support communities.
Dancers were just one part of the programing for the Skybridge Shared Space
While completing its ten week run, the Shared Spaces program event served as a launchpad to reimagine community building in the diverse neighborhood where SOMA Pilipinas, the Transgender District, Theatre District and Mid-Market mix. Dense neighborhoods like SOMA often lack access to open spaces and community gathering locations, making this project even more important.
Every Thursday evening, Stevenson Street was shut down between 6th and 7th streets for performances by area musicians, dancers and artists. Food from area businesses like Montesacro Pinseria Romana SF and The Grilledcheezguy were available free of charge to attendees, many of whom are residents of nearby SROs. Even with the required masks, physical distancing and other safety measures, the event provided an evening of normalcy during these challenging times.
The Skybridge project showed how we are working to be nimbler and provided needed services during the pandemic. The Parks Alliance had already planning a lighting installation and pop-up events to activate the Stevenson alleyway. However, the Shared Spaces program expedited permits and gain support that otherwise might have taken years so that the community could enjoy the space more quickly.
The Skybridge on Stevenson team made it a priority to understand what the community was looking for, both before and after COVID-19 hit. Behind the lighting installation was a desire for increased safety as well as foot traffic to local businesses. Theater and music groups were looking for an outdoor space to practice and perform. Local residents sought opportunities to connect with each other safely.
“As someone who comes into these communities, you are the least knowledgeable,” says Mark Bonsignore of the SF Parks Alliance. “Really listen to what needs to be done. There’s always a way. You can’t always build a park so we look at underutilized areas of the city and utilize them so they can be for the public benefit.”
With several SFMTA projects like Mission Street SoMa, Better Market Street, the 6th Street Pedestrian Safety Project, and Safer Taylor Street either underway or starting soon, we are exploring opportunities to utilize public space and/or side streets for community-building during construction. For example, the 6th Street Pedestrian Safety Project will ensure that Skybridge on Stevenson can continue during construction. We look forward to plans aiming to restart the event this spring.
Thank you to all the partner organizations and people that made this project a huge success.
Published November 24, 2020 at 05:02PM
https://www.sfmta.com/blog/shared-spaces-lights-skybridge-stevenson
Monday, November 23, 2020
Show HN: Drawing Navigator – a browser for CAD blueprints https://news.ycombinator.com/item?id=25192449
Show HN: Speech Recognition and Audio Summarization API https://news.ycombinator.com/item?id=25190585
Show HN: A list with 200+ companies sponsoring tech newsletters and websites https://news.ycombinator.com/item?id=25189975
Improving surgery with a web-software based survey – we need your help https://news.ycombinator.com/item?id=25169447
Show HN: Django refactoring game – can you fix all the Models anti-patterns? https://news.ycombinator.com/item?id=25187507
Show HN: GitHub Slash Commands https://news.ycombinator.com/item?id=25186017
Show HN: GPT-3 Powered Content Marketing Automation https://news.ycombinator.com/item?id=25185786
Sunday, November 22, 2020
Saturday, November 21, 2020
Show HN: Repr for C++: Return a printable string representation of a value https://news.ycombinator.com/item?id=25173828
Show HN: About Deep Learning, Machine Learning and Neural Networks https://news.ycombinator.com/item?id=25174605
Show HN: Like Hacker News for VR Startups https://news.ycombinator.com/item?id=25174294
Show HN: A simple way to make HTML websites https://news.ycombinator.com/item?id=25170078
Show HN: A new way of ORM in Java https://news.ycombinator.com/item?id=25170053
Friday, November 20, 2020
Show HN: Jupystar – Run any Jupyter notebook in the browser https://news.ycombinator.com/item?id=25167906
Show HN: I made a directory tree template to organize your personal files https://news.ycombinator.com/item?id=25167500
Show HN: Loripsum – a nimble placeholder text/HTML generator written in Ruby https://news.ycombinator.com/item?id=25166552
Twin Peaks Tunnel Work to Start November 30
By
View from inside the Twin Peaks Tunnel that was first opened 102 years ago in 1918
The Eureka Curve is a section of the Twin Peaks tunnel that connects downtown San Francisco to West Portal and beyond. In 2019, we completed a major project in the Twin Peaks tunnel with seismic upgrades, major track and other infrastructure overhauls. Now, additional work in this crucial section of trackway needs to be done, and we will start that on Monday, November 30. This work is essential to improving the quality of the system and reducing the potential for disruptions to service in the years to come.
Starting the Monday after Thanksgiving, construction crews will begin maintenance work inside the Twin Peaks Tunnel going into the tunnel via the entrance on Market Street between Diamond and Collingwood Street. Planned work includes replacement of the overhead catenary system (OCS) splice connectors, overhead lines, track fasteners, rails, track ballast, switch machine, trackway adjustment throughout the tunnel, rail grinding, installation of new subway lights, and several trackway and OCS tests. These are the key elements that keep our trains running.
Work is planned for approximately three months, through February 2021. Crews will take a break for the holidays from December 24th through New Year's Day. Construction is scheduled for Monday to Saturday, from 7:30 a.m. to 8 p.m. with hours are subject to change based on construction needs. No night work will occur in the public right of way and will be limited to inside the tunnel.
As we perform this work, some parking will be temporarily restricted, and traffic lanes will be modified in the construction zone near Castro Station:
- One lane street closure in each direction on Market Street between Diamond and Castro Street during active construction hours
- Parking will be temporarily restricted on Market Street between Diamond and Castro Street
- No access to Market Street from Collingwood Street. Local access to Collingwood Street from 18th Street will be provided
- Material and equipment staging on both sides of Market Street between Diamond and Collingwood Street.
- Heavy equipment will enter through West Portal Station tunnel most mornings for about an hour. We do not anticipate any parking impacts or traffic lane changes near West Portal Station.
- This work is part of our Subway Renewal program that targets critical subway systems and infrastructure for strategic overhauls to improve system reliability and resilience. This work will improve the maintainability of the trackway. It will also provide a more solid foundation for service into the future.
Ballast Replacement Details
Ballast is the rocky bed beneath the tracks that stabilizes the trackway. Over time, the ballast wears and can become dusty as the larger rocks are broken down, these are called fines. Over time the number of fines increases, and the trackway can become muddy and difficult to maintain. During the 2019 Twin Peaks project, we reused rather than replaced the ballast in an attempt to save time and money. Unfortunately, the required procedural steps to ensure that the reused ballast would maintain its integrity through a thorough wash/filtering process was not followed. Looking back, we acknowledge these choices were an oversight.
Example of ballast – the rocks that help stabilize the tracks
Today the ballast has continued to degrade and will, over the long term, reduce the expected life of the new trackway if left unaddressed. In order to take advantage of the current closure of the subway and minimize future disruptions to service, we are moving ahead with the ballast replacement now.
This issue also underscores two of the key areas we are targeting with our Subway Renewal program: improved project delivery and workforce culture. The decision-making process that led to the reuse of the ballast in 2019 should have been interrogated more intensively. We are committed to promoting a more open workplace that supports our staff raising challenging questions during the course of projects to make sure the choices we make are in the best interest of the system and of the public.
We thank San Franciscans and Muni customers for your continued patience and understanding as we navigate through our Subway Renewal program and work towards the return of rail service. We will keep you informed about our continued efforts at SFMTA.com/RailRecovery.
Published November 20, 2020 at 03:29PM
https://www.sfmta.com/blog/twin-peaks-tunnel-work-start-november-30