Viewing profile — samlewis

Shameless plug but I was also interested in the magic behind these mesh networking tools, so I wrote my own toy version that was very much inspired by the tools you mentioned. I bl…

Shameless self-promotion but there's also this post I wrote in 2017 if anyone interested in a slightly different take (but a very similar write up to the OP): https://www.samlewis.…

Really awesome, how long did it take you to put together?

Last time I tried this, I found a lot of corporate spam filters seemed to (silently) drop my emails, so I went back to using GMail out of frustration. Is there anything you do that…

Seems like a very appropriate use of technology to me? If they can get "good enough" results using Linux and running with technologies that the average developer is more likely to …

Asking out of mostly ignorance, but is Qt still relevant in 2018? I've noticed that even for standalone graphical applications, it's becoming more and more common to use webapps - …

http://jrnl.sh/ is nice The low amount effort to add an entry allows me to jot down thoughts, conversations etc easily which makes me actually do it. Having it save as a plain .txt…

That was a really fun to read, well written piece. Definitely makes me interested in trying something like this - does anyone know of any other games that have similar economy aspe…

Am I missing something or is the next step going to be Intel making ME impossible to remove without bricking your CPU? If so, seems like these efforts are fairly futile if they'll …

If you're a large enterprise, paying an extra $20/month could definitely be worth not having the pain & cost of having your employees having to manage paying an extra bill each mon…

This should be really easily if you use gstreamer pipelines. Something like this: # To send gst-launch filesrc location=file.wav ! wavparse ! audioconvert ! audio/x-raw-int,channel…

GitHub Pages with a static site generator and Travis CI is superb. I have my blog [0] setup so that all I need to do in order to publish a new article is add a markdown file to my …

If you're interested in the nitty gritty of the mechanics of Bitcoin, check out my blog post: http://www.samlewis.me/2017/06/a-peek-under-bitcoins-hood/

This is really cool! It'd be even more awesome if there was a permalink so I could save/share my results.

Theres a number of DNS seed servers that are hard coded into the Bitcoin core codebase. A Bitcoin client does a nslookup on these seeds to find intial peers to connect to and boots…

Ah, my bad. Sorry if I was being condescending in my previous reply then. I suspect it was a design decision, yeah. If outputs could be spent multiple times then you'd need to trav…

It has to do with the way transactions and the blockchain ledger works, reread the transaction part of the article and it might make more sense. Basically, transaction outputs can …

No promises but I was actually considering having a crack at this as my next project. stay tuned!

My intention in using "hand crafted"/memorable private keys was just to make the article and what I was doing easier to follow. I don't think there's any harm in people copying and…

Oops, you are correct. Good pick up, I'll get to changing that!

I did deliberately leave that there in the hope someone might take it using what they'd learnt from the article. there's a short note about this in the conclusion to the article. F…