Green Technology Blog

December 17, 2008

Roundup Devoxx 2008 — once JavaPolis

One of Europe’s largest Java events precisely resuscitated a faithful, Devoxx 2008 or what was erstwhile the JavaPolis conference. This series of posts by Panos Konstantinidis necessitates you through four days of the event, including the talks and interrelated resources.

December 6, 2008

Youtube’s Desperation

Youtube has been messing with the wizard quite a bit latterly.  Across-the-board screen, eminent quality and the drive me gaga pre rolls to subscribe among many others. (BTW, keeping an eye on the subscribe button scurrying around the screen was fun the first 300 times).  But lets speak Youtube business. Thats the source of their desperation.

From all appearances, Youtube is straining to mash every last nickel they can out of Youtube.  Overlay ads. Adding licenced content from major media companies. Segregating professional content like movies and TV demonstrates. They are coming everything they can think of to make publicizing inventory.  Pre rolls, covers, display ads, you call it. And thats before you gravel the inventory the creators of the videos insert and overlay in the content itself.  Does anyone else out on that point recall that the  advertising in youtube videos is more intrusive than any other form of content ?

Without spelling a dissertation on the subject, what are the spry and soiled conclusions that we can draw from all of this ? Why all the dire maneuvers ?

I figure two plausible options:

1. Youtube’s video delivery  costs are far, far higher than the estimates we gift them credit for. Youtube avers they have 13gbs of user uploaded content EVERY SECOND.  At.12 cents per gbs, thats about 5mm dollars per year in upload costs. If over the harsh of a year, each of that video is looked on 100 times, thats another $500mm in bandwidth costs. Thats a lot of money, but if that number befalls to be low-toned, its leisurely to witness why Youtube would be despairing in this economical climate.

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December 5, 2008

In-Store Price-Look into Options

Every year, a newfangled company tries to progress to a cell phone application that can scan barcodes , transport that information across the web, so pass relative price information. Overall, it’s a outstanding concept, but I cerebrate companies are overthinking this one.

Companies are creating a ton of hurdles for themselves as they try to work this problem. By couching the problem as a bar code reading, learning, and transmission problem, they want to puzzle out photo quality issues caused by humans who are very discrepant when it strikes occupying pictures.

They besides have to get the best the software installation hurdle, which thinks of they have to publish software that runs on multiple platforms, convert people to instal it, hold up the various versions over time, catch people to promote it, etc. That’s a lot of work.

With that in mind, I intend a newfangled service sent for BooksPrice is going about figuring out this interesting issue in a much smarter way. Forget about fluid software. Alternatively, use SMS to transmit.

People are pretty serious at texting compared to aiming pictures. And it’s not that tough to find oneself an text an ISBN number.

In BooksPrice.com’s model, they’re applying Twitter to cause this all chance. You travel along BooksPrice on Twitter. They travel along you backward. And then, the next time you desire to bet up a book’s price, simply mail a directly tweet to booksprice like this:

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December 1, 2008

dnrTV Does MEF!

Glenn Block late did a cracking screen cast on the Managed Extensibility Framework. 

Show #130 | 11/26/2008

Glenn Block on MEF, the Managed Extensibility Framework
Glenn Block presents you how to utilise MEF to countenance a plugin architecture in your.NET applications. The framework is extensile enough to permit any type to be spelt and exported as pulled off plugins, which are bidden parts.

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PE Obama’s 1st Prominent Mistake
PE Obama’s 1st Prominent Mistake
PE Obama’s 1st Large Mistake

November 30, 2008

Useable building blocks as concurrency patterns

While learning INGI1131, my coinciding programming course, I have got yet more impressed by a coincident paradigm, that is to say operable programming extended with threads and ports, which I call up multi-agent dataflow programming. This paradigm has many well properties:

  • The declarative simultaneous subset (no ports) has no race conditions and can be programmed like a operative language. The introductory concept is dataflow synchronization of single-assignment variables. A utile data structure is the stream, a list with dataflow tail utilized as a communication channel.
  • Nondeterminism can be contributed on the nose where asked and minimally, by employing ports. A port is only a called stream to which any thread can post.
  • All working building blocks are concurrency patterns. Map, fold, filter, etc., are all utile for building up simultaneous programs. Hither are two examples: a sign on nett protocol and an evident port object. Chapter 5 of CTM generates many more examples.
  • Coincident systems can be configured in any order and yet at the same time with factual use of the system. Take down that this is reliable for ports yet though they can state nondeterminism.
  • Projecting coincidental programs is amazingly well-fixed. For example, any indicative part of the program can be submited its ain thread, relaxing the coupling between system’s parts, without altering correctness.
  • The paradigm is well-off to apply expeditiously. (more…)

November 28, 2008

I’m Moving Recollective Right Today

I  could be an idiot. But I consider at present is the time. I set 8 pct of my final worth in DIAmond puts at 11000, as a hedge, and only traded them at a very skillful gain. Very skillful. Nowadays Im curtly couchs that I sold in not nigh as large a position, but skillful.

Im plumping long.

Im not plumping to present you some historic perspective. The SEC poped any historic relevance when they stoped over shorts on 900 stocks. Im purchasing because the only existent uncertainty I visit staying is from the economy. Thusly when you learn the spilling heads chiping in you historic facts, stand up up, yell at the screen “You are broad of BS”

One thing I cognise is that starting up tomorrow the shorts can catch backwards in the market. I enjoy shorts. Unawares make a foundation of demand for their positions. If a serious company makes short-circuited, whether as a hedge, or because someone cogitates the company will underachieve, that inadequate will require to be covered at some point. If the company outperforms, or the demand for the stock surpasss the supply, the price of the stock, like any baseball card, iwll get going up. Which will leave incentive for the shorts to wrap up sooner than later. When that bechances, the stocks start up. Shorts are ripe for the market. They make up estimable companies move up in price.

When I view the credit markets. The Fed and  Treasury and even outside agencies are signalizing that they will be the lender of the first and last resort. We visit little term treasuries trading in as if traders are starting up to catch comfy with credit and liquidity. I believe that although banks dont amply hope lending to each other nevertheless, they are puting to work to set unitedly the scenarios under which they will merchandise. They are pitching up.

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November 22, 2008

PE Obama’s 1st Prominent Mistake

Its large to visit President Elect Obama sharply taking over the economy prior to his training office. Regrettably, the economical consultatory team that he has arranged unitedly depends more like a semester’s worth of large guest speakers  for an MBA class than an economical consultatory team that can really serve him.

There are a lot of big minds on the list.

“Robert Rubin, Larry Summers, Laura Tyson, who helped as Clinton’s top economical adviser; former Fed Vice Chairman Roger Ferguson; Time Warner Inc. Chairman Richard Parsons; former Securities and Exchange Commission chairman William Donaldson and Xerox Corp. Master Executive Officer Anne Mulcahy.

Google Inc. CEO Eric Schmidt, Michigan Governor Jennifer Granholm and Roel Campos, an ex-SEC commissioner, and Warren Buffett are likewise on the consultive board.”

Acknowledge anything escaping ?

Not a single entrepreneur. Yes Warren Buffett commenced a business, but he will be the first to say you that he “doesn’t do commence ups”. Which entails there isn’t a single person apprising PE Obama that we know of that cognises that its similar to take up and race a business in this or any economical climate. That’s a immense problem.

If we are moving to work out our current economical problems, our President requires to pay off first hand information on the impact his suggested policies will have on real Joe the Plumbers. People who are 1 person companies inhabiting job to job, hop-skiping they pay off paid on time.  We call for to cognise what the impact of his policies will be on the severally possessed Chrysler Dealership in Iowa. The bodego in Manhattan. The nomadic phone software startup out of Carnegie Mellon. The event planner in Dallas. The barbershop in LA. The restaurant in Boston.

(more…)

November 16, 2008

PE Obama’s 1st Large Mistake

Its large to visit President Elect Obama sharply taking on the economy prior to his taking aim office. Alas, the economical consultatory team that he has assigned unitedly calculates more like a semester’s worth of big guest speakers  for an MBA class than an economical consultatory team that can unfeignedly serve him. There are a lot of […]

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Fω^C: a symmetrically classic variant of System Fω
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November 15, 2008

Fω^C: a symmetrically definitive variant of System Fω

Lengrand & Miquel (2008). Classic Fω, orthogonality and symmetrical candidates. Annals of Pure and Put on Logic 153:3-20.

We portray a version of system Fω, bade Fω^C, in which the layer of type
constructors is basically the traditional one of Fω, whereas provability
of types is Graeco-Roman. The proof-term calculus accounting for the Graeco-Roman
reasoning is a variant of Barbanera and Berardi’s symmetrical λ-calculus.
We show that the hale calculus is powerfully normalising. For the
layer of type constructors, we utilize Tait and Girard’s reducibility method
combined with orthogonality techniques. For the (classic) layer of terms,
we expend Barbanera and Berardi’s method based on a symmetrical notion of
reducibility candidate. We try out that orthogonality does not catch the
fixpoint construction of symmetrical candidates.

We found the consistency of Fω^C, and bear on the calculus to the
traditional system Fω, too when the latter is extended with axioms for
classic logic.

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I’m However Going away Farseeing and Hop-skiping the Markets Depart Down

Fω^C: a symmetrically definitive variant of System Fω

Lengrand & Miquel (2008). Graeco-Roman Fω, orthogonality and symmetrical candidates. Annals of Pure and Put on Logic 153:3-20.

We portray a version of system Fω, bade Fω^C, in which the layer of type
constructors is basically the traditional one of Fω, whereas provability
of types is Graeco-Roman. The proof-term calculus accounting for the Greco-Roman
reasoning is a variant of Barbanera and Berardi’s symmetrical λ-calculus.
We testify that the hale calculus is powerfully normalising. For the
layer of type constructors, we utilize Tait and Girard’s reducibility method
combined with orthogonality techniques. For the (classic) layer of terms,
we expend Barbanera and Berardi’s method based on a symmetrical notion of
reducibility candidate. We examine that orthogonality does not catch the
fixpoint construction of symmetrical candidates.

We institute the consistency of Fω^C, and come to the calculus to the
traditional system Fω, as well when the latter is extended with axioms for
Graeco-Roman logic.






















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