Tuesday, November 30, 2021
Cathie Wood's ARK buys a million Twitter shares after Jack Dorsey’s exit
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Show HN: Wikiref – a Firefox web extension for extracting Wikipedia references https://ift.tt/3xCP8xy
UP official suspended for TET paper leak
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Bank Holidays in December: Banks to Be Shut for 12 Days this Month. Know Dates
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Tega Industries IPO Opens Today: Price, Financial, GMP, Valuation, Should you Invest?
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What Parag Agrawal as Twitter CEO means for India
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Petrol, Diesel Price Today: Fuel Becomes Cheaper after Tax Cut, Check Prices in your City
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Parag Agrawal takes charge of Twitter at a critical juncture
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Show HN: I made a free, ad-free and open source tool for sharing private notes https://ift.tt/3DewNb3
Show HN: Bar a simple archive tool in bash https://ift.tt/3ruebC1
Prepare for common entrance for UG, PG seats from 2022-23: UGC
from Latest Education news - Board Exam Results, Admit Cards, Exam Paper Analysis and Question Papers | Times of India
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Elizabeth Holmes Gets Emotional Under Fire By Prosecutors
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Oil Slumps On Omicron Fears; Posts Biggest Monthly Fall In 20 Months
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Yen, Swiss Franc Rally On Global Outlook Risks After Hawkish Powell
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Yen, Swiss Franc Rally On Global Outlook Risks After Hawkish Powell
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RR Donnelley, Lithia Motors Rise; Intuit, Moderna Fall
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Parliament panel: Junk distortions of national heroes in NCERT books
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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 engineers and traffic signal electricians monitoring intersections both in-person and by observing traffic cameras. Our priority was to reduce transit vehicle travel times. Once in place, we compared travel times for trains both before and after the new technology was implemented.
We found that with our pilot project, the average light rail vehicle (LRV) travel time along the 1-mile corridor was reduced by 66 seconds, resulting in an average travel speed increase of 21% from 8.2 miles per hour (MPH) to 9.9 MPH. With this system, the chance that a train will reach an intersection on a green light improved from 62.1% to 85.8%, meaning almost no red-light delay.
Figure 1. Pilot Corridor Performance, Before and After Comparisons
During the pilot, 60% of LRV corridor trips had 10 seconds or less of red-light delay, compared to only 5% previously. In fact, 20% of trains saw no red-light delay at all on the corridor, compared to the previous study period when not a single train avoided red light delay entirely.
Improving signal timing for just one specific mode or direction can potentially result in negative impacts for others. To evaluate this, we measured travel impacts to pedestrians and non-Muni vehicles to evaluate the potential effects from prioritizing transit. Fortunately, our data show that there was a 1% increase in the overall odds that other vehicles would encounter a green light and only a 1% increase in the odds that pedestrians would reach an intersection on a Do Not Walk symbol.
Vehicles on side streets were generally unaffected unless they were also held to prioritize train through traffic. Heavier volume side streets such as Mariposa Street had increased average wait times of up to 78% for vehicles, from an average wait of 46 seconds previously, to an average wait of 87 seconds during the pilot. Fortunately, the adaptive signal system only increased the average wait time by 4 seconds for pedestrians if they arrived on a Do Not Walk symbol, from 22 seconds to 26 seconds. Further refinement of the signal timing logic could help address these concerns.
With detailed information collected through the advanced sensors, our project team was able to make refinements and real-time signal timing adjustments that account for time of day, direction of travel, and the real-time volume of pedestrians, vehicles, and transit vehicles.
These promising results will lead the SFMTA to consider applying this technology in other locations to better understand how the system could work more widely around the city and any trade-offs that could arise in regard to overall traffic flows.
Looking forward, we are also exploring other new technologies. For example, the LiDAR (sensors that use lasers to identify objects) used in this project provides a new way to capture and classify objects at intersections, but there may be a need for additional sensors or different mounting locations to improve detection accuracy. Project staff will build upon the lessons learned from the pilot to inform future efforts to optimize the signal timing to make our streets better for all users.
Published December 01, 2021 at 02:31AM
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Closing Prices For Crude Oil, Gold And Other Commodities
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U.S. Oil Prices Slump Over 5% On Vaccine Efficacy Worries
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Officials Offer Vaccine Reassurance, WHO Advises Against Travel Bans
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Show HN: WRaft, a WebAssembly Raft Implementation over WebRTC https://ift.tt/3Edn5qM
Show HN: OdinCodeBrowser: Navigate Code Like in Your IDE but on a Static Webpage https://ift.tt/2ZFxaOr
Monday, November 29, 2021
Parag Agrawal: From Engineer to Twitter CEO, IIT-B Alumni's Success Story
from Top Business News- News18.com
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Jack Dorsey’s journey from microblogging pioneer to billionaire
from Tech-Economic Times
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Tech for Purpose - The changing pedagogy of classroom education
from Latest Education news - Board Exam Results, Admit Cards, Exam Paper Analysis and Question Papers | Times of India
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Zoho enters 'booming' e-learning space with TrainerCentral
from Tech-Economic Times
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Who is Parag Agrawal, Twitter's new CEO?
from Tech-Economic Times
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The challenges that await Twitter's new CEO Parag Agrawal
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Go Fashion Share Listing Today: Go Fashion Stock Opens at 90% Premium on BSE, NSE
from Top Business News- News18.com
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Star Health IPO Opens Today: Price, Valuation, GMP, Key Risks, Should you Invest?
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India-born Parag Agrawal Is Twitter CEO; RBI's crypto moves
from Tech-Economic Times
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Petrol, Diesel Price Drop: Fuel Rates Slashed After 50% Tax Cut. See Petrol Price
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'Crypto Bill Description on Banning Private Crypto Was a Mistake': Ex-Fin Secy who Drafted Bill
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Tata-owned 1mg, PharmEasy go offline for omnichannel presence
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Bessemer Venture Partners raises $220 million India-focused fund
from Tech-Economic Times
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Silicon Valley crypto fund Draper Dragon eyes India debut
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Business Highlights: Twitter's Dorsey, Amazon Do-over
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Show HN: An AWS Savings Plans Calculator https://ift.tt/3d159E8
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 from the previous year.
Creating safe bicycling routes throughout San Francisco is imperative for reaching the city’s Vision Zero goal of eliminating traffic deaths and reducing severe injuries—and also for encouraging more people to choose to travel by bike. In the last several years, the SFMTA dramatically accelerated installation of safe bicycling infrastructure. In 2019, Mayor London Breed committed to doubling the rate of bike lane construction in the city from an average of five miles per year to 20 miles over the following two years. That same year, the SFMTA launched its Vision Zero Quick-Build program to roll out safety improvements, including protected bike lanes, along the city’s High Injury Network. Compared to more intensive capital projects that can take years to complete, quick-build projects can transform a street in a matter of weeks or months. See that jump in bike infrastructure after 2019? Quick-Builds were behind a lot of it.
COVID-19-related street transformations were also part of the reason behind the most recent increases in bike infrastructure. While the pandemic posed a number of challenges for the city, bike route planning, design and construction took off! With the addition of Slow Streets and car-free streets like JFK Drive, the city’s bike network grew by approximately 50 miles and increased connectivity between many of San Francisco’s neighborhoods. While these street transformations were introduced as part of an emergency response, we are exploring ways to establish them as permanent parts of San Francisco’s streetscape and bike network.
Looking to the future, as part of the 2021 Vision Zero Action Strategy, the SFMTA is committing to create a citywide, completely connected Active Transportation Network that includes bike lanes, Slow Streets, and car-free/car-light streets. We’re excited to keep building on last eight year’s bike network progress, adding even more green lines to the San Francisco map.
Published November 30, 2021 at 03:54AM
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Powell Says COVID Variant Clouds Inflation, Economic Outlook
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Hertz, Lee Enterprises Rise; Walmart, Peloton Fall
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Show HN: SQLToy – a tiny relational database for learning SQL via code https://ift.tt/3FZn5eM
Labor Official Confirms New Election For Amazon Workers
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Closing Prices For Crude Oil, Gold And Other Commodities
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Cryptocurrencies Post Record Inflows In First 11 Months - CoinShares
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Sunday, November 28, 2021
Paytm's share price declines as net loss widens in Q2 on higher expense
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Clearlake Capital to buy Quest Software from Francisco Partners
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Sovereign Gold Bond Scheme Opens Today: How to Buy Gold at Discounts, Should you Invest?
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Gold Price Today Jumps Above Rs 48,100 as Covid Variant Omicron Scare Boosts Demand
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Petrol, Diesel Price Drop: Fuel Rates Remain Stable Today; See Price In Your City
from Top Business News- News18.com
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Schools, colleges to remain closed due to incessant rains in Puducherry, Karaikal
from Latest Education news - Board Exam Results, Admit Cards, Exam Paper Analysis and Question Papers | Times of India
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UPTET cancelled after paper leak, Yogi says NSA will be invoked against culprits
from Latest Education news - Board Exam Results, Admit Cards, Exam Paper Analysis and Question Papers | Times of India
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Academia to lead journey of development & prosperity of J&K: LG
from Latest Education news - Board Exam Results, Admit Cards, Exam Paper Analysis and Question Papers | Times of India
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Star Health IPO Opens Tomorrow: GMP, Issue Price, Strength, Financial, Key Details
from Top Business News- News18.com
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Show HN: Background.webcam – Train new hires remotely in real-time https://ift.tt/3D1wd0q
Cars24 zooms to $3B valuation; Behind the Paytm IPO debacle
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RBI-backed CBDC likely to feature in crypto bill: official
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Cars24 may hit $3 billion valuation in new funding round
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Slice turns unicorn after raising $220 million from Tiger Global, Insight Partners
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Crypto exchanges see their new sign-ups dip amid uncertainty
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TomTom working on mapping platform for emerging markets
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Currencies Recover From Omicron Chaos But Analysts Warn More Volatility Ahead
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Japan Oct Retail Sales Rise For First Time In 3 Months But Less Than Expected
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Show HN: Technical demo of 2D puzzle “Biohazard” (open source) https://ift.tt/3lcJ1uM
Show HN: Embeding HackerNews comments on static pages https://ift.tt/3xvv0NE
Show HN: Democratic Roadmap for Libre.Study https://ift.tt/3xuVZZU
Show HN: My first article: SSO using Flask and selenium https://ift.tt/3xx1PK3
Saturday, November 27, 2021
UPTET 2021 cancelled due to paper leak, exam to be held next month
from Latest Education news - Board Exam Results, Admit Cards, Exam Paper Analysis and Question Papers | Times of India
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President Kovind to attend first convocation ceremony of Patanjali University in Haridwar today
from Latest Education news - Board Exam Results, Admit Cards, Exam Paper Analysis and Question Papers | Times of India
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Brent Slumps Under $80 as Investors Wary of New Variant, Q1 Surplus
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New Covid Variant Omicron Triggers Global Alarm, Market Sell-off
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Delhi schools to reopen from November 29 for all classes
from Latest Education news - Board Exam Results, Admit Cards, Exam Paper Analysis and Question Papers | Times of India
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Dharmendra launches Utkal’s CII website
from Latest Education news - Board Exam Results, Admit Cards, Exam Paper Analysis and Question Papers | Times of India
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All 3 ex-champs reach final in Indian Crossword League, six overseas contestants in hunt for trophy
from Latest Education news - Board Exam Results, Admit Cards, Exam Paper Analysis and Question Papers | Times of India
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Tribal University’s permanent campus would come up at Mentada-Dattirajeru mandal borders
from Latest Education news - Board Exam Results, Admit Cards, Exam Paper Analysis and Question Papers | Times of India
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Petrol, Diesel Prices Today Remain Under Rs 100 in Several Cities. Check Fuel Rates
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Travel Bans Aren't the Answer to Stopping New COVID Variant Omicron
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Life Insurance Policy: How to File Insurance Claims on Maturity, in Case of Death
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Show HN: Cards Against Humanity Built with Elixir and Phoenix LV https://ift.tt/3Ia9rY6
Haryana Governor says students from poor and far-flung areas deprived of education during Covid-19 pandemic
from Latest Education news - Board Exam Results, Admit Cards, Exam Paper Analysis and Question Papers | Times of India
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Instant Loan Apps: Key Things to Keep in Mind to Avoid Loan Frauds Online
from Top Business News- News18.com
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Show HN: Free email alias to hide your real email and organize accounts https://ift.tt/3xve0XY
Show HN: A search engine that lets you refine your queries https://ift.tt/3pa1LML
Show HN: Anyone should be able to find community, so I made a site to help https://ift.tt/3FSx05B
Show HN: A music player that creates real-time music videos https://ift.tt/3xI4uRz
Show HN: UI Foundations, explaining UI design in an interactive platform https://ift.tt/3HWwmpF
Show HN: A Docker/OCI IPFS based distributed registry https://ift.tt/3cSRgaX
Aapai Technologies Says Ex-joint Commissioner Of Mumbai Police Satyapal Yadav Has Joined Its Board
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Aapai Technologies Says Ex-joint Commissioner Of Mumbai Police Satyapal Yadav Has Joined Its Board
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Show HN: Rembrob – Digital watercolour art from photo uploads https://ift.tt/3p3qJND
Friday, November 26, 2021
India to Release 5 Million Barrels of Oil from Strategic Reserves. Check Details Here
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Petrol, Diesel Price Stable for Over Three Weeks. Check Fuel Rates in Your City
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Go Fashion IPO GMP Live Today: What it Says about Go Fashion IPO Listing Next Week
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IIT Roorkee focusses on strengthening research capacity for sustainable development
from Latest Education news - Board Exam Results, Admit Cards, Exam Paper Analysis and Question Papers | Times of India
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IMBA students of Utkal University allege ragging
from Latest Education news - Board Exam Results, Admit Cards, Exam Paper Analysis and Question Papers | Times of India
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Paytm September quarter net loss widens
from Tech-Economic Times
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Bitcoin, Ether, Solana Price Drop Today: Cryptos Crash as New Covid-19 Variant Emerges
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GST Rate Rationalisaton: GoM Meet Deferred to Next Month, Details Here
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Star Health IPO, Tega Industries IPO Open Next Week. Things to Know Before You Apply
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On platinum jubilee, Odisha CM reiterates commitment to transform SCB into AIIMS Plus institution
from Latest Education news - Board Exam Results, Admit Cards, Exam Paper Analysis and Question Papers | Times of India
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CM sanctions fund for higher study of Balangir student
from Latest Education news - Board Exam Results, Admit Cards, Exam Paper Analysis and Question Papers | Times of India
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EPF Contributions Will Stop from Next Month if you do not Update this Document. Know Details
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Show HN: Visualizing bikeshare in the United States https://ift.tt/3xpg4kg
A week of crypto chaos
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Brazil To Shut Its Borders To Six African Countries
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Brazil Health Regulator Calls For Africa Travel Restrictions, Bolsonaro Noncommittal
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Closing Prices For Crude Oil, Gold And Other Commodities
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Business Highlights: Stocks Sink, Black Friday's Back
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Show HN: Bare turns one's Twitter timeline into an old-school blog reader https://ift.tt/3132IxU
WhatsApp Pay said to win NPCI approval to double its user base in India
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Show HN: Giving a 2D grid a 3D look – part 3 https://ift.tt/3nQWGJH
Show HN: Configurable and auto-formattable markup language https://ift.tt/3CWSX1m
Show HN: TriOTP, the OTP Framework for Python Trio https://ift.tt/3legANc
Thursday, November 25, 2021
New Zealand PM says Facebook, others must do more against online hate
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Paytm wild ride continues as stock sinks again ahead of earnings
from Tech-Economic Times
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Spotify to take on TikTok with vertical feed of music videos
from Tech-Economic Times
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DU forms panel for recommendations on next year's admission process
from Latest Education news - Board Exam Results, Admit Cards, Exam Paper Analysis and Question Papers | Times of India
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No prior approval required by students studying abroad to join CBSE-affiliated schools
from Latest Education news - Board Exam Results, Admit Cards, Exam Paper Analysis and Question Papers | Times of India
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DU Teachers' Association elections today
from Latest Education news - Board Exam Results, Admit Cards, Exam Paper Analysis and Question Papers | Times of India
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Expert panel to re-examine error in Hindi version of Physics paper in NEET-UG exam: NTA to SC
from Latest Education news - Board Exam Results, Admit Cards, Exam Paper Analysis and Question Papers | Times of India
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KCET 1st round seat allotment result for UGCET to be released today @ kea.kar.nic.in
from Latest Education news - Board Exam Results, Admit Cards, Exam Paper Analysis and Question Papers | Times of India
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LG launches 'smart schools' in tribal areas of J&K
from Latest Education news - Board Exam Results, Admit Cards, Exam Paper Analysis and Question Papers | Times of India
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