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Comment: External Battery FTW! (Score 1) 702

by jetxee (#47399593) Attached to: TSA Prohibits Taking Discharged Electronic Devices Onto Planes

So everyone should start carrying external spare batteries.

I've seen a 22400 mAh portable Li-ion battery for less than $50. Imagine a whole plane full of those. And no, consumer grade Li-ion batteries never explode.

Up to two spare Li-ion batteries up to 300 Wh ("large batteries") are allowed in the carry-on baggage. So external USB chargers/accumulators up to 60 mAh should be OK.

Comment: Re:No G4 Cube? (Score 1) 469

by jetxee (#31153662) Attached to: The Worst Apple Products of All Time

As far as I know no other monitor is even close now. Being able to see 57% more pixels matters. Especially if you are into editing photos. BTW, 2560×1440 is just enough to see 12 MP photos at crispy 50% zoom (assuming 3:2 format). 2048×1152 is not enough even for a nasty 2MP shot (assuming 4:3 format). For games and vi it does not really matter.

But $1600 is too much, IMO. As I don't make money on photos, I am not byuing that screen yet.

Comment: Re:Interoperability among SCMs (Score 1) 310

by jetxee (#30843768) Attached to: What Tools Do FLOSS Developers Need?

hg-git is OK (to use hg as a client for remote git repositories).
hg-subversion interoperation is told to be less reliable (people say bazaar-subversion integration is better).

bzr clients seem to be more or less interoperable with all major VCSes via plugins (bzr-svn, bzr-hg, bzr-git).

darcs and git are not interoperable with anything.

Comment: Real World Haskell & Hg Book (Score 1) 178

by jetxee (#29119235) Attached to: Advice On Creating an Open Source Textbook?

Please check out such books as Mercurial: The Definitive Guide and Real World Haskell. They were freely available when being written and remain such, but in the same time both books were published as usual (on paper) by O'Reilly:

http://oreilly.com/catalog/9780596800673/
http://oreilly.com/catalog/9780596514983/

The source code used to create the books is also available. So you may use the same work flow.

Comment: Re:do their own then... (Score 1) 186

by jetxee (#27569757) Attached to: Sun's Phipps Slams App Engine's Java Support

It's not different for Python on Google App Engine. Only a subset of its standard library is available (anything that requires disk access does not work).

So, also with Python one has to code specifically for GAE. The same applies for Java.

But GAE offers free-as-in-beer and ad-free application hosting. It's OK that it is somewhat limited and is not 100% compatible with everything else.

Comment: Re:It exists, but it's rare. (Score 1) 1077

by jetxee (#27420203) Attached to: Shouldn't Every Developer Understand English?

There were some Russian programming languages from the USSR's aerospace community.

Please take a look at some valid literate Haskell code which tells the common Russian fairy tale. It has nothing to do with aerospace, and it is standard modern Haskell. Copy-paste, compile and run.

Another modern example is Chinese Python. Though it is a fork from the standard python.

The algorithm for finding the longest path in a graph is NP-complete. For you systems people, that means it's *real slow*. -- Bart Miller

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