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In the City with many high rise building, installing Solar Panel in lower rise building causes horrible concentrated Light reflection. Generally I would rather have utility making solar farm then roof top solar panel.

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I've always thought that was an indication of poor efficiency on the part of the PV Solar Panel module. Wouldn't you expect to see, on very efficient Panels, no reflection? Indeed, isn't the ideal to see dark black pools where the panels are doing their best work?

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Even if the solar panel only reflects 1% of the light, the reflection of the sun would still be blindingly bright.

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Re: "Even if the solar panel only reflects 1% of the light, the reflection of the sun would still be blindingly bright."

http://en.wikipedia.org/wiki/Albedo suggests otherwise.

4% is equivalent to Black Asphalt (basically the least reflective common surface they could find).

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Welding filter shade 5 lets through more light than that.

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Can you look directly at the sun with a Welding Filter shade 5?

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Not continuously for hours, that takes about 14 or 15. But it isn't dazzling.

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I "think" the numbers are inflated with the huge amount of $5 droplet.

I wonder what sort of numbers Linode are at.

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I care when i am going to see this in JRuby. And hopefully in MRI as well.

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It is already used in the JRuby+Truffle backend. See for instance: http://www.chrisseaton.com/rubytruffle/pushing-pixels/

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I think Nim is really really closed to it. If it could add more dynamic features, meta programming.

And if there was a Hexagon Graph on programming languages, it should draw an Hexagon at the 80% region, it isn't the best for everything, but you could use it in any scenario without heavy compromise.

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Well I dont think TCO really flavor ARM at all. If you look at Server as a whole, putting in the ECC RAM, HDD or SSD and Network, the CPU power/performance scaling work much better in Intel's flavor.

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To those unsure about Eventmachine

https://github.com/eventmachine/eventmachine/blob/master/CHA...

IT seems to have much more fix and features in recent months then its entire life span.

And as DHH pointed out on twitter

Clearing up misconception re: Action Cable: EventMachine only used for connection handling, threads for channel code. No block restrictions.

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I was thinking the same when i saw Opera will be using Courgette for update too.

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I dont have time for the Video, has anyone written a post on what's coming in Rails 5 yet? ( Apart from Rails API )

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I thought Erlang was abandon within Ericsson, and it was Open Sourced so people can continue to use it. Can anyone explain what is Erlang Public License? Why not something like Apache, GPL or MIT?

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Erlang/OTP is being developed continuously, primarily by a team at Ericsson. They ship one new major release roughly once per year, with a few minor releases in-between.

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> I thought Erlang was abandon within Ericsson, and it was Open Sourced so people can continue to use it.

It was temporarily "abandoned" because Ericsson had (has?) a policy forbidding the use of non-free languages. In response, the Erlang devs open-sourced it, and now (IIRC) it's not banned anymore.

> Can anyone explain what is Erlang Public License?

It's derived from the Mozilla Public License. It differs mainly in terms of legal jurisdiction (i.e. Swedish law being specified as the applicable legal jurisdiction).

> Why not something like Apache, GPL or MIT?

Good question. The answer's probably similar to the reasons why Mozilla created the MPL (partial copyleft, in contrast with the GPL's strict copyleft, and with the Apache's and MIT's and BSD's and crowd's copycenter/copyfree).

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Off Topic: Does anyone know if there are anything similar for Ruby in the work?

P.S - Ruby's issues system is hard to follow.

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Yes and no. Ruby has Fibers, but they're roughly where Python is with generators as coroutines. They're wonderful when working with EM, and one time I wrote a massively overengineered Ruby Warrior program that allowed you to do things like "move(:left) until feel(:left).wall?" instead of doing one thing each time a method was called. This is exactly what makes coroutines so attractive in simulation programs. Still, Fibers are clumsy and counterintuitive and require some abstraction to produce a useful interface. Also, there are some problems related to overflowing the Fiber stack, especially in ridiculously deep Rails stacks, not sure if those have been resolved yet.

I'm not sure that special syntax is necessary for widespread adoption of Fibers, since Ruby syntax is flexible enough to provide a sort of DSL for working with Fibers.

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ruby used to have RCRs as "language level issue tracking", modeled after PEPs[0].

Sadly, it died some years ago.

[0] https://www.ruby-lang.org/en/news/2003/12/19/new-ruby-change...

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