Viewing profile — sarahj

Grab the source, compile it and get it running...after that...whatever you find interesting. Some ideas: * Trace the execution of one of the user land programs (e.g. ls) to see how…

xv6 is an amazing teaching OS - it is very simple to dive into and play around with. A while ago I wanted to explore some filesystem/permissions stuff and use xv6 to play with some…

One of the reasons for the relative expense is the heavily-subsidised corn (and a few other) industries which pretty much all goes to animal feed. That being said, my food costs we…

> Maybe you can explain to me then how it is that this makes a significant difference in global warming. The carbon that is released by cows and humans after consumption of plant m…

One of the (many) reasons I went vegan was to cut my impact on the environment. I don't own or use cars. Where I can I walk, where I can't I take public transit. I've made consider…

No it isn't accurate for hidden services. See https://www.torproject.org/docs/hidden-services.html.en - hidden service communication some some level of encryption end to end (wheth…

Pinning necessarily has to restrict the times a certificate can be changed because otherwise we have to solve a different problem "How can I tell this new certificate is a good cer…

A few ideas from a quick brainstorm, none of them are perfect, but neither is the centralized server solution: 1. Bookmarklet - In a similar vein to the way some password managers …

Some of the technical points of this article are simply wrong... > The exit node IP address of the user was easily obtained using the two different methods discussed briefly above.…

For private browsing check out Tor: https://www.torproject.org/ If you want to dive deeper then there is Tails: https://tails.boum.org/ - an OS which is designed with privacy in mi…

For the record, I am logged in over Tor - so if there is a block it appears to be inconsistent.

I remember reading about Bitcoin a couple of years ago and expressing disbelief that many of the major advantages being heralded were little more than fantasy, these were: * Micro-…

They gave permission to Google to store, parse, tag and understand 16 years worth of family photos of themselves and others so that Google can more accurately present them (and by …

This is great news. With the fall of advertising publishers will have to find new ways of paying for content production and selling produced content - there are a few options in th…

Reading over some of the specifications - I really like this approach - I think this is probably the closest I have seen to a truly distributed approach to IM at the protocol layer…

> Sound and rational means peer reviewed paper "My doctor has told me I should not take in as much potassium as I have been so I am reducing my consumption of legumes" and "I have …

I will agree that there is much ignorance in the world surrounding what we eat and in science in general - however, as I said, when I talk to people who have dietary restrictions t…

> It seems like every single young woman has bizarre food taboos that are based on no rational basis. I'll ignore the blatant sexism. As a young woman, although admittedly not sing…

The message here is avoid low-level crypto - if you find yourself having to mess around IV's or choosing modes and padding then you are far more likely to screw something up. NaCl/…

> Even RSA which has stood the test of time since 1977, is only considered 'safe' in so far as there's no algorithm better than brute force for factoring products of large primes h…

> Really? In the Judeo-christian framework? Which, like-it-or-not, has to be considered the base reference for the definition of marriage. Why? Marriage was around a long long time…

Defined by who? when? The problem with the argument you have presented is it lacks any kind of historical accuracy. There are plenty of records dating back centuries to millennia w…

I do, it is mostly for me to record thoughts and document projects - I generally don't expect people to visit it, which is a shame I think. In my opinion websites display the true …