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Showing posts from November 28, 2021

Show HN: I wrote a book about using Lambda with Go https://ift.tt/3om4Mdy

Show HN: I wrote a book about using Lambda with Go Hi HN! During the last few years, I worked on a few applications built with Go, running on AWS Lambda. As I got to know the platform better, I started to find Go & Lambda to be a really productive combination. The applications were fast, and they ended up being much cheaper to run than what my team & I had built before. It’s probably not the best platform for _every_ application, but I was surprised at how much of our workload worked well on it. As we brought new engineers on to our team and helped them get up to speed with the stack, I found that we were covering a lot of the same topics over and over — especially things like performance, testing and monitoring. Since this knowledge turned out to be very useful for our team, I decided to gather it into a book that will hopefully also be useful to others. This is my first time putting something like this together, so I'm grateful for any feedback! The book is at: https://if
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Show HN: I made a book with a hundred UI/UX tips https://ift.tt/3Do8wj8

Show HN: I made a book with a hundred UI/UX tips Hello. This year I dived into UI/UX area and at the same time I work as a web developer. I sincerely love making good UI. But at my full time job it's not always possible due to different reasons =\ So I've been posting random UI/UX staff on Twitter, then I made a free book that had 50 tips (posted it here as well). I decided to finish this year by collecting everything I learned and here it is: https://ift.tt/3olAJmp. This time it's a paid one. But, you can check ~20 pages of it, just go to https://ift.tt/3Epgfif, put 0 in the price and download it for free. I tried to illustrate almost every tip and provide some additional links. This is especially useful for devs and founders who cannot afford a designer or just want to make their UI look decent. December 4, 2021 at 06:48AM
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Fulton Street Sees Transit and Safety Improvements

Fulton Street Sees Transit and Safety Improvements By Shalon Rogers A temporary transit bulb was recently installed at 8th Avenue and Fulton, reducing travel time for the 5 Fulton and 5R Fulton Rapid and making boarding safer. For those who ride the 5 Fulton or 5R Fulton Rapid in the Richmond District, you may have recently noticed something new about the bus stops on Fulton Street at 6th and 8th avenues. And perhaps you noticed that your bus ride seemed to go slightly faster or with less disruption. Two new temporary transit bulbs installed at 6th Avenue eastbound and 8th Avenue westbound bring safety and transit benefits to Fulton Street in advance of the planned construction of permanent bulbs and are part of the Fulton Street Safety and Transit Project . Six permanent transit bulbs between Arguello and 10th Avenue are ultimately planned, which will save time and improve reliability for riders on the 5 Fulton and 5R Fulton Rapid by reducing the time it takes for buses to pull
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A Green Light for Muni Customers

A Green Light for Muni Customers By Stephen Chun Have you ever been on a Muni vehicle and realized that if the light had only stayed green for just a few more seconds you wouldn’t have been trapped at a red light?  SFMTA’s Connected Corridor Pilot  approached this problem with a new state of the art solution.   Most signals in San Francisco do not have sensors to detect vehicles at an intersection. However, through a grant from the U.S. Department of Transportation, our project team was able to test an advanced technology for signal timing based on who is present at an intersection. In this way, transit platform and traffic signal sensor data can be used to activate signal timing adjustments, responding to traffic conditions in real time. These adjustments provide more opportunities for transit vehicles to make it through intersections on a green light.    The project team turned on the adaptive signal timing program during several days in July and August 2021, with traffic enginee
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Watch San Francisco’s Bike Network Bloom

Watch San Francisco’s Bike Network Bloom By Eillie Anzilotti From just a few stretches of scattered lanes in 2013, San Francisco’s protected bike network now stretches like a green web connecting more and more of the city. See how much has changed over the last eight years:   In just the blink of an eye, San Francisco has become one of the most bike-friendly cities in the U.S. To date, San Francisco has 464 miles of bikeways, including: 42 miles of protected bike lanes 78 miles of off-street paths and trails 21 miles of buffered bike lanes 139 miles of striped bike lanes As we’ve expanded the network of safer bicycle routes through San Francisco, more people are choosing to ride bicycles for recreation and transportation every year. Since 2006, travel by bicycle has grown by 184 percent citywide. Before the COVID-19 pandemic, bike counts hit an all-time high: in 2019, approximately 52,000 bicyclists were observed at 37 locations during peak periods, a 14 percent increase
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Show HN: A *really* easy to use C++ server-side Node.js Monero miner https://ift.tt/3xz4qmQ

Show HN: A *really* easy to use C++ server-side Node.js Monero miner Hi Guys. Last weekend I bootstrapped a little side project. Its a really really easy to use NPM module, that loads XMRIG (c++) and starts mining.I just released the first version on the NPM registry. It can be setup to only run on production machines (NODE_ENV production). It can be used on CI/CD setups where the machines do nothing for a long period of time it can be used on simple webservers that do not have a lot of traffic. Etc etc It writes output to a log file, to the console, or totally ninja mode and no output is given. It even includes a simple webview to monitor stats. By default its set to 'low priority', so the machines doesn't freeze up! :) Let me know if anyone is planning on using it or has any problems, thanks! https://ift.tt/3p4dkos https://ift.tt/3Ec87Sc November 29, 2021 at 09:33PM
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Show HN: Security Camera Lens Calculator ( www.jvsg.com/online/ ) https://ift.tt/3o5rruo

Show HN: Security Camera Lens Calculator ( www.jvsg.com/online/ ) We created Security Camera Lens Calculator with 3D graphics(WebGL) and a built-in camera database. Calculator functions: - calculate pixel density (PPM/PPF) - clearly see dead zones in 3D - check DORI zones (detection, observation, recognition, identification) based on pixel density calculations and IEC and EN 62676 standard. - calculate lens focal length - load a floor map to see camera coverage on your plan - over 9,000 video surveillance camera models embedded in the CCTV Lens Calculator. - the calculator can be used on a tablet, PC or a smartphone. - 12 languages supported. Today we launched our Security Camera Lens Calculator also on ProductHunt. We would love to get some feedback. Particularly from people using it to solve real world problems. November 29, 2021 at 09:40PM
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