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Twitter
Context: I'm generating textured images with cellular automata. (This isn't related to the PRNG exploration yesterd…
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2 days ago
Twitter
RT : This is a cautionary allegory about machine learning.
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3 days ago
Twitter
RT : really hate it when my mysterious opponent at the jousting tournament who wore no heraldry pulls their helmet off a…
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3 days ago
Twitter
I can't save/load generated test input in a type-generic way in C (like Hypothesis can for Python, fo…
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3 days ago
Twitter
I don't really want to re-seed so much as always know the seed that could reproduce the current trial…
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3 days ago
Twitter
The seed is exposed in the API, as a 64-bit value which can be used to reproduce a particular test or…
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3 days ago
Twitter
The PRNG may not exist in the same address space, due to multiple processes in use. (The above applie…
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3 days ago
Twitter
...and it re-seeds if it's repeating the test case, among other things. It doesn't need to reseed eve…
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3 days ago
Twitter
It's reseeding every time it's generating a new test trial. Whether it's just generating a single int…
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3 days ago
Twitter
That looks like a linear congruential PRNG. I use one in greatest, because it has the handy property that…
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3 days ago
Twitter
misc things I forgot to mention above:
- It's called a Lagged Fibonacci generator
- At least some numbers in the i…
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3 days ago
Twitter
Internally, theft currently assumes the PRNG gives 64 bits, but also does pooling to work around MT64 bein…
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3 days ago
Twitter
PCG also seems simple; I just tried the `pcg_basic` one and it's slightly slower, but has exactly the API…
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3 days ago
Twitter
It doesn't work for my purposes (it'd spend more time re-seeding), and Knuth suggests that family of PRNGs isn't as…
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3 days ago
Twitter
That's omitting includes and checking the result of `read` to fit in a tweet

<stdint.h>
<stdio.h…
include  from twitter
3 days ago
Twitter
int main(int argc, char **argv) {
uint64_t s[64];
int fd = open("/dev/urandom", O_RDONLY);
read(fd, s,…
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3 days ago
Twitter
That said, Knuth describes a PRNG that really surprised me in its simplicity, and I immediately wrote up a C implem…
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3 days ago
Twitter
I've been reading about PRNGs again, because I'm going to switch what theft uses. (Currently, MT64. Slow. Boo!) xos…
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3 days ago
Twitter
RT : I missed this last month: The New York Public Library lets people check out ties, briefcases and handbags for impor…
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3 days ago
Twitter
RT : Bunch of techies: "We shouldn't have to take the word "slave" out of python, that's disruptive change for no reason…
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4 days ago
Twitter
Hope it's useful!
I use it quite often, so it's less of a blast from the past. I just posted a new release a…
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5 days ago
Twitter
I read about Dynamo after making tangram/scatterbrain (the distributed version). I distin…
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6 days ago
Twitter
I still don't know for certain (proving things about probabilistic algorithms is extra hard), but…
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6 days ago
Twitter
Right, I was very interested in that problem domain like 6-8 years ago. (I still am! But also many, man…
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6 days ago
Twitter
Super weird seeing people suddenly discussing an ambitious personal project I haven't really touched in like 6 years
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6 days ago
Twitter
Also the choices for when the tree should end a branch and start constructing another is guided by…
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6 days ago
Twitter
A big part of it is that it's using a rolling hash, and a conceptually similar trick at another layer,…
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6 days ago
Twitter
The slides didn't really explain the implementation in detail, though it did try to unpack some of my i…
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6 days ago
Twitter
I said a little bit about it in a Strange Loop presentation several years back, but don't have a formal…
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6 days ago
Twitter
Off and on, I've been building a content addressable store (think: git-like…
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6 days ago
Twitter
I'm not mathematically sophisticated enough to prove it, what happened inste…
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6 days ago
Twitter
The gist is that if there is a small number of modifications, it's good abou…
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6 days ago
Twitter
I did a webex meeting a couple days ago on the laptop. The other person was sharing…
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9 days ago
Laurence Tratt: Why Aren’t More Users More Happy With Our VMs? Part 1
RT : New blog post: "Why Aren’t More Users More Happy With Our VMs? Part 1"
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13 days ago
Twitter
RT : Most pictures are worth a thousand words...

This picture is worth thousands of lives call your senators now and te…
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14 days ago
Twitter
I'm most familiar with converting a regex to automata; whether those are implemented as assembly instruc…
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17 days ago
Implementing Regular Expressions
The series of Russ Cox posts starting at are good, and may link to a cache of the Thompson NFA paper.
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17 days ago
Twitter
I've also learned that I don't have strong opinions about the quiet/tactile offerings…
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23 days ago
Twitter
The clicking noise bothers *me*, and I usually work from home. I like the quiet ones…
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23 days ago
Twitter
Hope you like it!
I use a twm but almost never actually tile windows, mostly just run full screen stuff on di…
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23 days ago
Twitter
It might be worth getting a switch test board, something with 8+ different switches b…
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23 days ago
Twitter
RT : Note, the rush for Charter Schools affect this. Neighborhood schools (ADA compliant) in poor neighborhoods are usu…
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26 days ago
Twitter
RT : Today's exercise:
a) Follow this thread, read the papers he links.
Seriously look at why we don't have more computi…
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28 days ago
Twitter
RT : A thing I've noticed is Ms. Manigault isn't just releasing these tapes— she's dribbling them out, one by one, so th…
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4 weeks ago
Twitter
It should be possible to disable the contributions graph in your profile. For some people it just encou…
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4 weeks ago
Twitter
RT : about to build a nice little team of engineers at . the roles aren't posted yet, but maybe this is y…
kernel  from twitter
4 weeks ago
Twitter
RT : FOR REAL THOUGH IF MILLENNIALS HAD THE POWER TO KILL ENTIRE INDUSTRIES DO YOU REALLY THINK WE'D BE LIKE "LOL MAYONN…
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5 weeks ago
Twitter
RT : Thread.

I was recently privy to a conversation in which some really smart people in security shared their favorite…
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5 weeks ago
Twitter
previous times I've asked:

(GitHub Support noted it as…
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5 weeks ago
Twitter
previous times I've asked:

(GitHub Support noted it as…
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5 weeks ago
Twitter
previous times I've asked:

(GitHub Support noted it as…
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5 weeks ago
Twitter
RT : An idea for you, : In addition to my "Contributions" graph, make a "Work-Life Balance" graph. Let me mark or…
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5 weeks ago
Twitter
RT : Just stole an election at . The machine was an AccuVote TSX used in 18 states, some with the same…
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5 weeks ago
GitHub - silentbicycle/hopscotch: An implementation of Tarjan's Strongly Connected Components algorithm
posted: hopscotch, an implementation of Tarjan's Strongly Connected Components algorithm
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5 weeks ago
Twitter
Hey , is there a way yet to disable the profile contribution graph yet?

I know I'm not the only person bein…
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5 weeks ago
Twitter
I don't know of any; I think a couple coworkers use them, but I don't know specifics. I know a couple p…
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5 weeks ago
Twitter
I picked the Thinkpad because it sounded like the Linux support was good, and before the Apple laptops…
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5 weeks ago
Twitter
I think it was just a flag in the bios, under security?

I wrote that repo (which is extracted from a b…
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5 weeks ago
Twitter
Also, I regularly have zoom calls with coworkers who are running Linux (varying distros).…
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5 weeks ago
Twitter
It looks like I can probably do that without a paid account. If so and I get a chan…
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5 weeks ago
Twitter
I never use my personal laptop for video conferencing; it never occurred to me to c…
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5 weeks ago
GitHub - atomicobject/ansible-laptop-playbook-example: example Ansible playbook for a laptop
I wanted to update an example repo I made several years ago (), both to have an examp…
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5 weeks ago
Twitter
I wanted to update an example repo I made several years ago (), both to have an examp…
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5 weeks ago
Twitter
That's extracted from a much larger, private playbook I've maintained for years, that I use for configuring…
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5 weeks ago
Twitter
There's a setting that makes them only take 2/3 as long (cross-fading, not swooping): Accessibility > D…
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5 weeks ago
Twitter
Again, my priorities might not match yours, but it seems to me like Apple laptops have gone steadily downhill since…
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5 weeks ago
Twitter
With macOS, there are several things I couldn't ever fix or automate, like excessively long animations when switchi…
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5 weeks ago
Twitter
I got a Thinkpad Carbon X1 to replace my old pre-touchbar MBP, and for my purposes it's such a superior laptop that…
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5 weeks ago
Twitter
It's funny how long I hesitated to get a new Linux laptop (will suspend work? the wifi? etc.) when my Macbook Pro a…
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5 weeks ago
Twitter
RT : Where's the detailed 200-page public report from Facebook on how their management failed to prevent major disinform…
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5 weeks ago
Twitter
RT : The last twenty and next fifty years of mainstream-left discourse in the USA is people looking at figures like this…
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6 weeks ago
Twitter
RT : Deep kudos to whoever at Apple Music assembled the Post Punk Essentials playlist and decided this was the album to…
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6 weeks ago
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