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hipaulshi

332 karma · joined March 6, 2013

[ my public key: https://keybase.io/jianershi; my proof: https://keybase.io/jianershi/sigs/4EeVyuUZk24x9SPO_b4H6HFtLziaezbEwqKm14dPnv4 ]
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hipaulshi··on Zoom meetings aren’t end-to-end encrypted, despite marketing
Do people still remember Telegram don't have E2E encryption on by default? and does not work across multiple platforms when E2E is on? I am annoyed because those are my favorite apps and they don't have what's important.
hipaulshi··on The Long, Slow Decline of BitTorrent (2017)
I am learning Japanese. Ever since d-addict took down their torrent section. It was almost to impossible to find quality content with Japanese subtitles. I now rely on Netflix Japan, but the content is still very limited.
hipaulshi··on An American airline wins the right to weigh passengers on its Samoan route
Pilot here.

Every airplane has a maximum weight it can fly. Different than cars, every airplanes also have an envelope where the center of gravity has to fall enter. If the center of gravity is behind the design envelope, airplane has a tendency to flip backward, stall on take off then crash, it has happened before. It could also means if the airplane enters a spin, the recover may not be possible. If the center of gravity is too forward, it will slow the cruising speed due to increased drag, much easier to stall during cruise and burning more fuel.

So for every single flight, pilot or dispatch has to calculate those 2 numbers, for every passenger and baggage, and decide how many fuel to take on each flight.

Of course, asking each passengers weight would be awkward at best, so airlines and FAA used an average body weight number to avoid this, it worked until 2003. An accident happened which killed 21 people on board a small transportation aircraft. It is found that the average body weight number FAA and airline used were outdated http://www.ntsb.gov/Investigations/AccidentReports/Pages/AAR... FAA has since advised airlines that what FAA presumed average weight of its population has increased, and advised airlines to do the same.

Of course, this will only work on average cases, and will fail if the sample group is out of average. Resampling has to be done to remain operating in the envelope, and if standard deviation is still out of normal, each individual weight has to be taken.

hipaulshi··on I Dialed a Wrong Number and Stumbled into International Phone Fraud
the end of the story just made me smile :)
hipaulshi··on Anyconnect iOS IPv6 Is Tunneling Traffic to Local
So I updated to iOS latest Anyconnect. Which claims now support ipv6. But after some testing, it seems like the iOS app will not tunnel ipv6 traffic when the server doesn't support ipv6 in the first place. But instead of dropping all ipv6 traffic, all ipv6 traffic will go through local connection if your local connection support ipv6.

Not sure if it is a intentional design choice or serious bug? While I haven't looked very deep into it but I doubt ipv6 connections got dumped to local is encrypted in anyway. Mac version doesn't seem to be have this problem and properly dumped ipv6 link when the vpn server doesn't support ipv6.

hipaulshi··on SpaceX Launch Livestream: CRS-8 Dragon Hosted Webcast
Wow!! Wow!!! Wowww!!!! That is SOOO COOL!!! >.<
hipaulshi··on Lyft Carpool: A New Way to Commute
10USD from San Jose to SF?! AWESOME
hipaulshi··on Answers to your questions about Apple and security
Maybe I shall starting offer 1m USD dollars for leaking this said software to me. O.k. I am just kidding, but just imagine how much some organizations are willing to offer to get hands on this. Will you ever trust Apple again if it known this software is leaked? What if such software is leaked to a competitor corporate? What is such software is leaked to an enemy spy agency? Apple will be very doomed.
hipaulshi··on “Two days ago the police came to me and wanted me to stop working on this”
lol.. I would have thought they have the fastest data center.
hipaulshi··on “Two days ago the police came to me and wanted me to stop working on this”
setup a server with aliyun. the cloud service provider from alibaba. And relay the traffic from there.
hipaulshi··on “Two days ago the police came to me and wanted me to stop working on this”
As far as Microsoft office in Beijing, I think they VPN to their Tokyo office first. Their traffic is ensured by negotiating directly with the big telecom company. Disclaimer: I do not work for them.
hipaulshi··on “Two days ago the police came to me and wanted me to stop working on this”
@olalonde GFW is known to tighten the control on national holidays or any event they see fit. The day after Tianjin explosion, IKEV2 stopped working for 1 day on my network (I was in Beijing). PPTP from time to time suffer the same issue though I couldn't say when. Also check your ip location, I found out one provider was having reliable PPTP connection about a week ago, and it turned out they were just relaying traffic in a data center in China. Those traffic are not blocked by GFW as long as it is domestic and I could only imagine that data center simply forwarded the traffic onward using other means.
hipaulshi··on “Two days ago the police came to me and wanted me to stop working on this”
SSH dynamic port forwarding is no longer working for years. It is so easily picked up by GFW and minutes later it is gone together with the whole SSH connection. So does PPTP and L2TP VPN. GFW has been upgraded so many times for the past few years. The target audience is developers. The install is super simple via one line of `pip install`, the start code for daemon is also one line with the configuration inline or through <10 lines of json. On the client side the author and other contributors developed native clients that allow connection by supplying just 1 password and 1 server address. Super simple and highly reliable to this day.
hipaulshi··on “Two days ago the police came to me and wanted me to stop working on this”
For people who are not aware of this: Shadowsocks is a popular and very simple tool to circumvent Great Fire Wall in China. It is written to reduce characteristics in network traffic so that GFW cannot easily block it by deep traffic analysis. clowwindy is the original author.
hipaulshi··on 'Nobody My Age Can Afford to Stay Here Forever'
I love to hear a comparable argument on NYC.
hipaulshi··on How do engineers working in open space without getting distracted?
Thanks!
hipaulshi··on Gmail blocked in China
almost all tech companies in China are behind VPNs. Yep.
hipaulshi··on Gmail blocked in China
all public tor bridge is blocked in China. Besides, it's soooo slow...
hipaulshi··on Online Labs – ARM servers in the cloud

  free -m                                                                       
               total       used       free     shared    buffers     cached                             
  Mem:          2020         97       1923          0          6         40                             
  -/+ buffers/cache:         49       1970                                                              
  Swap:            0          0          0
Server seems to be located in France

  {
    "as": "AS12876 ONLINE S.A.S.",
    "city": "",
    "country": "France",
    "countryCode": "FR",
    "isp": "Tiscali France",
    "lat": 48.86,
    "lon": 2.35,
    "org": "Tiscali France",
    "query": "212.47.232.90",
    "region": "",
    "regionName": "",
    "status": "success",
    "timezone": "Europe/Paris",
    "zip": ""
  }
hipaulshi··on We Got Accepted into Techstars and Turned Them Down
Wow. We were offered a TS over the weekend. And we had to come up with a lawyer to review it on moments notice. On retrospect, this does says a lot.
hipaulshi··on Stop Leaning In. Put Down Your IPhone. And HELP ME.
I am visiting Taiwan right now. What happened yesterday was very terrifying. And it sounds even worse from someone who has experienced it. I do prefer Taipei much more than Bay Area or China. I believe here, people have learned deeply the virtue of helping and caring for others in the society and support for each other. I would love to work and live here in the future.
hipaulshi··on Whatever goes up, that’s what we do
which, like the FB employee said, is exactly, what a data-driven company should do to maximize profit. However, Dustin has a good point. CEO needs to make that very risky call if he vouched for the better design. The customer may or may not come. Short term loss is inevitable. One would need strong belief, again, needs to be backed by data, to make that call.
hipaulshi··on Self-hosted Git Server
Well. I have to be honest. I used to do just that. And it is not fun to worry about backups and server breaking down. Outsourcing this part to Github will probably save a lot of developer/IT headache if you are a small company.
hipaulshi··on EU has secret plan for police to 'remote stop' cars
Wait till someone hacked it.
hipaulshi··on Rosetta: ESA’s ‘sleeping beauty’ wakes up from deep space hibernation
The precision and reliability of embedded system those guys designed always amazes me
hipaulshi··on The Life of a Stripe Charge
I never used Stripe before, but seeing the tokenization method without revealing information to third-party backend to stay compliant just makes me cry. Smart solution.

EDIT: Agree with the top commenter. 3rd party website can always be compromised. Tokenization only takes care one side of the story.

hipaulshi··on AMC movie theater calls FBI to arrest a Google Glass user
without even reading the story, you just don't wear a video camera to movies.
hipaulshi··on IBM's Watson For Business: The $1 Billion Siri Slayer
Wow. I wish they could provide an open source library. But that was probably too much to ask for. Still, this is amazing news.
hipaulshi··on Show HN: I've launched my iPhone journal app I've worked on for almost 2 years.
I am very impressed.
hipaulshi··on Why I Wrote PGP (1999)
Unfortunately only 2 guys actually signed up so far. So I am pretty sure now PGP is not as popular as it seems in terms of verification purpose. :/
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