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srcmap

588 karma · joined July 7, 2013

www.srcmap.org

https://www.twitter.com/srcmapy

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srcmap··on Ask HN: How would you design an alternative Twitter
What about this: Use SQLite.

Make it one SQLite file per user. All the read/write are parallelized per user. Backup db file would be smaller, easier. Each service node can handle N users, less for heavy follow users. Should be easier to scale horizontally the with user count by adding system nodes and Storage, networks, web handling process.

srcmap··on Open Source Firmware Conference 2022 [videos]
Any list of laptops, motherboards that's good for opensource firmware development?
srcmap··on Why bother with warrants when cops can buy location data for under $10k?
Also PR problem. Public opinions can trigger state/congress to make service illegal or limited.
srcmap··on How I would sell OpenBSD as a salesperson
Solve one problem compare to Linux: It is not GPL - the reason Apple and Juniper Network choose BSD.

The sale person needs to talk to the Corp Legal IP team.

srcmap··on eBPF for tracing how Firefox uses page faults to load libraries
ebpf requires root privilege to run. If you're root, there are a lots of harms one can do a system without any ebpf script/commands.
srcmap··on Ask HN: Are Microsoft development stack and Azure a dead-end career path?
I search job site such indeed.com for demands of job categories. (Data driven)

Here are the returns for jobs within 25 miles of where I live (bay area.)

   Keywords       jobs
   ----------------------------
   Azure          3094
   AWS            7408
   Google Cloud   2157
   React          3829     (not cloud tech, but just curious to know.)
srcmap··on Goldman Sachs invests $250M in compressed air energy storage
Isn't the complexities related to making those caverns air and water tight for long period of time for long term energy storage requirements?
srcmap··on Coding error at Santander Bank put millions into random accounts on Christmas
Would be nice if Santander bank can be a real Santa this time and write off the 'mistake'.
srcmap··on Omicron Post #8
I like Dr John Campbell's daily videos on Covid / Omicron: https://www.youtube.com/c/Campbellteaching/videos A lot details explanations on latest data from all over the world and discussion of scientific papers in normal language.
srcmap··on Where have all the insects gone?
Remember need to scrape off bugs from windshield after each trip thru I5 ~10 years ago. No need to do that anymore.....

On the other hand, in my back yard, I grow a lot veggi, strawberry with worm casting from kitchen scraps. I do still lot of insects. A lot of birds nested around my house. Produce 10-15 young birds. I found a very cool looking giant tomato worm a size of my biggest finger. It ate half of (7 ft height ) tomato plant in 2 days.

The Strawberry, cucumbers, other veggies grow with worm casting taste SO much better than from anything store .

srcmap··on A patent troll backs off
Anti-Patent troll model: Talk to EFF, start a go-fund-me campaigns, wild up the public opinions,
srcmap··on Raspberry Pi 3 Fastboot – Less Than 2 Seconds
Most the drivers can be configured as ko and one can load them later on - such as after GUI is up. It should give impression of fast boot.
srcmap··on What do I need to read to be a CSS dev?
Get familiar with firefox / chrome debugger. That is very helpful for me to debug a lot of css issues.
srcmap··on Injury response to DNA damage in live tumor cells promotes antitumor immunity
Is this similar to using MRNA to create spike protein to trigger antibody response to COVID?
srcmap··on Understanding how Facebook disappeared from the internet
If your parent is startrek fan, tell him "Commander Data" transmitted a "sleep" command to BGP (Borg Gateway Protocol) collective.

As result, the borg collectives can access to network, even 7of9 can't enter the campus.

srcmap··on China power crunch spreads, shutting factories and dimming growth outlook
Wonder if this: https://www.bbc.com/news/world-asia-china-58026038 (China nuclear: Taishan reactor shut down over damaged fuel rods) is also a factor......
srcmap··on Jam 80 Cores, 768GB of RAM into E-ATX Case with This Tiny Board
Yap,

Someone likely would just docker/vm to partition that 80 cores into micro-service handle httpd proxy and app, db backend.

Those app/VM can easily be converted to app running pi modules.

20 pi modules likely have much better DDR, SSD, Network bandwidth. Probably scale from 2 pi to 200 pi as easily as typical vm setup - and it comes with GPUs for free for those need them.

srcmap··on Ask HN: How do I get fit and healthy as a software engineer?
I have been skipping GYM because of Covid.

But I do go running in the park and follow a few HIIT youtube workout. There are a lot of those in youtube. Just find the one with intensity and length you like and follow them and advance to next level in your own place.

srcmap··on Sir Clive Sinclair has died
My first compute was ~1984 Timex_Sinclair_1000 $99 and with 2K RAM. https://en.wikipedia.org/wiki/Timex_Sinclair_1000

It definitively the gateway drug that hook me into computer.

Bought $6 book on how to program Sinclair computer and copy the Basic Code from the book into that computer and record that program into audio cassette tape and output to analog TV.

Now I working daily with systems that have 128 cores, 256 threads, 256-768MB of L3 cache memory, 1TB DDR+ 8xGPUs each with 32GB of HBM.

I still think I got more "High/Rush" from the sinclair 1000 37 years ago than the latest 128C/256T CPU. Now is a job, back than it was an adventure, exploration to whole new world!

srcmap··on Ask HN: Do You Use a Debugger?
One gdb trick I used:

   Use simple gdb script,  break, print vals, cont, 
   This allows one to debug and app's internal states without rebuilding with printf enable. 
   Combine the above with automated regression test system, one to debug very hard problems that might take hours/days to repro.
srcmap··on Razer bug lets you become a Windows 10 admin by plugging in a mouse
Is this issue equivalent of setuid 4701 on executable owned by root in Linux?

What's the easiest way to scan whole windows file system for directories with this issue?

srcmap··on JPL's Plan for the Next Mars Helicopter
Wonder if it is practical to design Helicopter with nuclear battery similar to the rover....
srcmap··on Attack Surface Analyzer helps you analyze your OS's security configuration
if it alerts/blocks apps from phoning home....
srcmap··on Ohio Lottery to Give 5 People $1M Each to Encourage Vaccination
From government prospective, it is probably cheaper than unemployment, continue the lock down and more stimulus checks

Curious if it will triggers different kind of "Cobra Effect" -

https://freakonomics.com/podcast/the-cobra-effect-a-new-frea...

    MEHROTRA: So the “cobra effect” refers to a scheme in colonial India where the British governor, or whoever, the person in charge in Delhi, wanted to rid Delhi of cobras. Apparently in his opinion there were too many cobras in Delhi. So he had the bounty placed on cobras. And he expected this would solve the problem. But the population in Delhi, at least some of it, responded by farming cobras. And all of a sudden the administration was getting too many cobra skins. And they decided the scheme wasn’t as smart as initially it appeared and they rescinded the scheme. But by then the cobra farmers had this little population of cobras to deal with. And what do you do if there’s no market? You just release them. And so this significantly, by a few orders of magnitude, worsened the cobra menace in Delhi.
srcmap··on The Pentagon inches toward letting AI control weapons
How do we enforce any treaties the prevent AI usage?
srcmap··on eBPF on Windows
From the architecture diagram, it looks like just network ebpf only.

Does anyone know if it can profile file/disk io type activities?

srcmap··on YouTube CEO Susan Wojcicki Gets 'Freedom Expression' Award Sponsored by YouTube
And the winner is Exxon.
srcmap··on Revealed: Seafood fraud happening on a vast global scale
Here's a fun story you can tell a friend next time you order calamari:

https://www.thisamericanlife.org/484/doppelgangers

It just might be "Hog rectum".

srcmap··on Ask HN: Always on low power home server
Normal SATA SSD + usb2Sata adapter?
srcmap··on Samsung now updates Android for longer than Google does
Would be good biz for a company (ubuntu) to setup Linux distribution to support security monitor/update for schools for some model of Chromebooks for $500-1k per school?
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