craigching

Probably one of the more used books (by universities) on the topic is "Distributed Systems: Principles and Paradigms" by Tanenbaum and van Steen. I just finished a class that used this book and I understand that there are criticisms of it, but it did seem to me to be reasonable given the breadth of the subject. And most, if not all, of those papers are covered to some degree in this book.

Something I'm looking forward to, Pearson has returned the copyrights of the book to the authors and they are supposedly updating it. Could be interesting: http://www.distributed-systems.net/index.php?id=distributed-...

The main web site says the 3rd edition is nearing completion.

It originally billed itself as a replacement for Hadoop and MapReduce as an in-memory data processing pipeline. It is typical in MR programs to create many sequential MR jobs and save the output between successive jobs to HDFS. So Spark can solve these use cases. Since its early days, it has built on its capabilities.

So real world use-cases? Any MR use case should be doable by Spark. There are plenty of companies using Spark to create analytics from streams, some are using it for its ML capabilities (sentiment analysis, recommendation engines, linear models, etc.).

I apologize if my comment isn't as specific as you're looking for, but I know of people who use it for exactly the scenarios I've outlined above. We are probably going to use it as well, but I don't have a use case to share just yet (at least nothing concrete at the moment). Hopefully this gives you some idea of where Spark fits.

Could someone clarify what PPL they're using? Certainly something based on Python obviously, but beyond that? I wasn't aware of PPL and had hoped to learn something from the blog post, but there wasn't much information. Some experience sharing with PPL would be really awesome!

haha! OMG, that has happened to me before!

Just an anecdote, but I have an iPad and use it all the time. I bought a logitech keyboard for it. If it weren't for that, I also would never use it. I have a 15" MBP and I don't like carrying that around with me. But the iPad I have no problem bringing anywhere that I won't need a full laptop (for coding, etc.)

That said, my iPad is a couple of generations back now. I don't feel compelled to upgrade it at all, it does what I need it to (browse the web, read e-mail, take notes, play some games, etc.) For this I find the iPad Pro too big and it certainly won't replace my MBP for real development work anytime soon.

And another data point, I just upgraded from an iPhone 4S to an iPhone 6S+. The only real reason I upgraded was because the 4S was a 16GB phone (it was a work phone) and the battery isn't lasting much anymore. Other than that, I honestly wouldn't feel the need to upgrade.

Anyway, just my thoughts and situation.

At least the mayor is quoted in the article as saying so:

  “We have 1,500 aboveground residents,” Mayor Helen Fisicaro
  said, “and 1.5 million underground.”

Certainly a huge concern, however, an opportunity to actually support the modding scene and possibly even get support for other languages, particularly a language like python which would make it easier for kids to create mods.

I don't know about Fitbit per se, but there are cases where a company says one thing in it's legal interface, but does another with it's sales interface. IOW (pure speculation on my part), Fitbit could say "don't use this for such and such" and the sales people say "yeah, we say that (wink, wink), but we don't really mean it." To be clear, I am not saying Fitbit does that, but I am familiar with other companies that have done such and gotten in trouble for it.

> no browsing history/cookies and got the same ads.

Maybe that's the point ;) With no history, they're using what works best :D

I've been refreshing on Calculus and I found that Kline's book was good at application as well as a bit of history, at least I never got the history part at University and I found it very interesting.

http://store.doverpublications.com/0486404536.html

In 2.x, all fields must adhere to the same data type or you will get a failure [1]. To quote:

  Fields with the same name, in the same index, in different types,
  must have the same mapping

So hopefully this isn't an issue anymore! I do strongly suggest (and we've done this from the beginning) that no one rely on elasticsearch's auto mapping and that you should explicitly map your fields.

[1] -- https://www.elastic.co/guide/en/elasticsearch/reference/curr...

> It's not, it's a "public" key

Not just any public key, it's your public key. It identifies you.

Wow, pegasus mail! Thanks for bringing back the memories, I loved PM back in the day!

I used to be a hard-core command line only (no fancy shmancy UIs here GitX!) git user. I have also been an emacs user for 23 years. Since I discovered Magit I will not touch command line git anymore. It's that good. Single key-press for all major features, easily add arguments the same way, and q quits any temp buffer for viewing. Diffs and reviewing history is a breeze. It's exactly what I would expect git + emacs to be. If you haven't tried it, do so and give it some time. There is a cheat sheet here:

http://daemianmack.com/magit-cheatsheet.html

That should get you well on your way to using Magit.

Dup, most relevant previous discussion:

https://news.ycombinator.com/item?id=10341334

It's been quite awhile, but, IIRC, glibc incompatibilities in particular as well as other general libraries that weren't easy to build and compile. I make use of a ton of packages that require other current components that weren't available on "stable" releases. Changing hasn't presented any stability problems, so, for me, Fedora has been a good, stable distribution that still lets me use my tools.

EDIT: Please note, my experience may or may not relate on CentOS7 or RHEL7, this was more CentOS 5 and early 6 versions where I ran into issues.

Agreed. I used to use so-called "stable" distros for the longest time because that's what our installed software was supported on. But when I couldn't use the latest and greatest development tools (emacs for instance), it became really annoying doing my development. So I switched (from RHEL/CentOS) to Fedora for my day-to-day development. I can't say I've run into any show stopper issues, our software and the supporting software run just fine on it and I'm a happier, more productive developer.

This has been posted at least 2 times before. Most discussed here:

https://news.ycombinator.com/item?id=10365555

  > causing the third most severe accident in an NPP ever.

I thought this was the second most severe nuclear power plant accident. Obviously Chernobyl is the first, so what is the second according to this article?

A consistent API written with Optional should make it such that if an Optional is returned, then a null value could have been returned. If an Optional is not returned (including for references), then you can assume that null will not be returned. This is a contract that can be documented as part of the API documentation.

To me, this is much clearer than having to guess on every call and I would prefer this use of Optional or not in an API to an API without Optional and having to check everything.

Personally I only read non-DRMed e-books. I usually make sure I get them in non-DRM PDF format. A couple of times I have accidentally bought DRM PDF e-books (e.g. from google books) and returned them ASAP. I generally use good reader on iOS to read my e-books. Certainly not free in the RMS sense, but at least I have them in a format that allows me to choose my reader.

Note that I'm not criticizing your use of e-books, just presenting an alternative.

  > their dress shirts are very high quality and fit (me) extremely well

Yep, I'll back that up. I haven't tried any pants, but all the shirts I've bought from Bonobos fit me really well. I'm not a "slim fit" guy, so I really appreciate their shirts.

I'm a bit concerned about pitchfork's quality going forward, hopefully it can stay good enough. I like pitchfork for alt pop music, but for ambient music nothing beats headphonecommute:

http://reviews.headphonecommute.com/

Anyone have other good music review sites?

Ok, yes, you're absolutely right, thanks for responding. I have customized it a bit (e.g. changing "yesterday" to return a TIMEX3 Date instead of a date/time, roughly speaking, I'm probably forgetting the details). I was really hoping you knew of something better ;)

  Also SUTime. Yes, it works mostly, but wow :(

So what's better than SUTime? I'm using it now and am genuinely curious.

I mostly use Evernote on my iOS devices. While I do have a keyboard for my iPad, I am not sure that works there, but I'll give it a go. Ultimately, though, markdown support would be my ideal so that I don't have to learn a new set of key combinations. I already know emacs ;) Plus markdown is easier to use than a key combination like that (IMO of course).

LaTeX math support would be another awesome feature. I'll go +1 it now as well :)

> ... markdown support

Yes, 1000 times yes! I so wish I could author in Evernote using markdown. Getting any sort of rich text done in a note is extremely cumbersome in Evernote, lists for instance.

I couldn't watch the video on my tablet (video is flash), but I found this youtube video that also talks about artist mode:

http://www.youtube.com/watch?v=cIuX87Xo8Fc

I've run all Fedora's since 18 and including 22 in vbox and have had no problems.