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Comment: Re:Double Irish? TAX ALL FOREIGNERS!!! (Score 1) 449

by TubeSteak (#48953941) Attached to: Obama Proposes One-Time Tax On $2 Trillion US Companies Hold Overseas

Liberty means no ex post facto laws. Earnings made before passage of any such law (which, let's face it, will NEVER pass with the current Congress - whether you agree with them or not) should be excluded from this. If the Government can retroactively tax your profits,

This isn't a retroactive tax.
There's no ex post facto involved.

You see, the trick is that technically, all the money held overseas is deferred income.
The IRS said "you don't have to pay your taxes until you bring the money back to US shores."
The corporations said "Cool, we'll bring it back. No really, we will. But how about we pay you less when we bring it back?"

As a result, the incentives for repatriating foreign profits are completely upside down and backwards.
It makes far more sense to dodge US corporate taxes and invest the money overseas.

Comment: Re:Because (Score 1) 167

Try VivoTek as well, they make some nice 5MP units with good optical zoom - meaning you can mount the camera a good distance away and zoom into the menu board.

We used to run mobotix exclusively, and their cameras are now in the low to mid-range in performance, but still high-end in price.

Comment: Re:Don't forget weight (mass) (Score 1) 155

by Kierthos (#48952883) Attached to: NFL Asks Columbia University For Help With Deflate-Gate

The claim is that 11 out of the 12 footballs provided by New England were deflated AFTER they had been checked by the NFL officials.

A few hours before the game starts, the officials check the footballs provided by both teams to make sure they are properly inflated. (Proper inflation is between 12.5 and 13.5 PSI.)

The footballs are then held by the officials until prior to the game, where they are handed over to the equipment managers for each team to take to that team's sideline area.

Now, at halftime, the officials checked the pressure on the Patriot's footballs again. (This is not standard procedure, as in this is not done in every game.) 11 out of the 12 footballs were found to be under the required minimum pressure of 12.5 PSI. Depending on which report/news article you read, they were under-inflated by 1 to 2 PSI.

Weather conditions (lower temperature on the field compared to the room where the initial pressure check occurred) could lower the pressure of the footballs, but it apparently did not do so (at least to the same extend) for the Colts' footballs. Hence, the charge that someone (or more than one) in the Patriots' organization deliberately deflated the footballs.

+ - Book Review: Core HTML5 2D Game Programming->

Submitted by eldavojohn
eldavojohn (898314) writes "Core HTML5 2D Game Programming details a journey through creating Snail Bait in well defined steps. This simple two dimensional platform game works as a great starting point for anyone interested in making their very first game targeting many desktop and mobile platforms. This incremental process is expertly segmented into logical lessons with the only prerequisite being fluency in JavaScript. One of the most attractive aspects of this book is that the core concepts of this book don’t rely on some flavor of the week JavaScript library or framework.

author David Geary
pages 615 pages
publisher Prentice Hall
rating 9/10
reviewer eldavojohn
ISBN 9780133564242
summary An exercise in 2D game development and mechanics in HTML5 and JavaScript.

First, this book isn't for people who do not recognize HTML5 and JavaScript as a valid development platform for games. I know you’re out there, you can stop reading here and move on to the next article. This book isn't for you. If you have no programming experience this book is likely not for you either. This book dives into concepts faster than Geary’s last book on game development in Canvas. You should also be familiar with JavaScript if you want to effortlessly start on this book. Throughout the book, Geary utilizes object’s JavaScript prototypes to add functions, uses anonymous functions and refers to common programming patterns.

It is worth repeating that the implementation in this book does not rely on a framework or library that could change or go defunct. The game runs entirely on code covered in the book accessing W3C standard specifications like requestAnimationFrame(). As long as JavaScript interpreters don’t change core things like timing control, this book should be relevant to developers for years to come.

The reason this book gets a nine is it accomplishes everything it sets out to do and Geary does a great job dividing up task after incremental task of setting sprite sheets and backgrounds into motion. The reason it doesn't get a ten is that I was personally disappointed with the the author devoting little time to physics and their simulations.

The book is laid out to enable its use as two kinds of resources: cover to cover and chapter specific topics. Reading this straight through, there were only a few times where it felt like I was needlessly being reminded of where I had already read about tangential topics. On the plus side if you ever want to see how Snail Bait implemented something like sound, you need only spend time on the chapter devoted to sound sprites. One mild annoyance I had with the text was that the author seems to always refer to Snail Bait as “Snail Bait” which leads to a Ralph Wiggum-like aversion to pronouns or saying “the game” instead occasionally. It might only be me but it can become tiresome to read “Snail Bait” five or six times on the same page.

You can read a sample chapter here that shows how to implement sprite behaviors.

The first two chapters of the book focus on a set of basic guidelines to follow when doing game development in HTML5 and JavaScript — like keeping certain UI display elements in CSS instead of rendering them as paths or objects in the Canvas. Geary also covers the very absolute simplest concepts of how graphics are going to be displayed and how the background is going to move. He also spends time in Chapter Two showing how to best set up the development environment. It is demonstrated how shortening your cycle of deployment saves you tons of time and the author does a great job on letting you know what tools to use to debug throughout the whole text.

The third chapter delves into draw and rendering graphics in the canvas as well as introducing the reader to the game loop. It spends a good amount of time explaining the use of animation frame control in a browser to keep animations running smoothly. It also begins the auditing of frame rates so that the game can respond to and display things normalized at the rate the user is experiencing them. It also touches on how parallax can be employed to show things closer up moving faster than those further back in the background. This illusion of depth has long been popular and is even finding its way into scrolling on blogs and I wish that Geary would have spent more time on this perhaps in a later chapter but offer the reader more on how to do multiple levels of depth.

The next chapter tackles the core infrastructure of Snail Bait and discusses at length encapsulation of certain functionalities (instead of globals) in the source code as well as Snail Bait’s 2300 line prototype. It bothers me that one file is 2300 lines and I wish there was a better way to do this but as a learning tool, it works even if it is daunting to scroll through. The book adds some helpful pointers about how utterly confusing the “this” keyword can be in JavaScript. Chapter Four really sets the pace for the rest of the book by introducing the use of event listeners and illustrating how the game loop is going to continually be extrapolated.

The next three chapters cover the use of loading screens, sprites and their behaviors. Snail Bait uses all its graphics from an open source game (Replica Island). But if you were to design your own graphics for your game, these chapters do a great job of showing how to construct sprite sheets and how to use tools to construct metadata in the code so that the sprites are usable by the sprite artists. Using the flyweight pattern, Geary sets the stage for more complex behaviors and actions to come in the following chapters.

The next three chapters cover time, stopwatches and their effects on motions and behaviors within the game. The author starts and works from linear motion to non-linear motion and then using transducer functions to affect the time system. The game now has bouncing coins, a jumping player and Geary does a good job of showing the reader how to emulate behaviors in the code.

Naturally what follows next is collision detection and gravity. The collision detection strategies were adequate but I wish that there was more depth at least referenced in the text. This isn't a simple problem and I did like how Geary referenced back to chapter two’s profile and showed how collision detection performance as you implement and refine and optimize your algorithm. The nice thing about this book is that it often tackles problems with a general solution in the code (runner/sprite collision) and then provides the edge case solutions.

In the fourteenth chapter, the author tackles something that has long been a plague in HTML5 games: sound and music. The author doesn't sugarcoat this citing the long history of problems the vendors have had trying to support this in browsers. There’s a great explanation of how to create and handle “sound sprites” (similar to sprite sheets) so that there is only one download for background music and one download for audio sprites.

Next Geary covers the problem of multiple viewport sizes with a focus on mobile devices. Of course this is one of the biggest issues with mobile gaming today. The chapter is lengthy and deals with the many intricacies of scaling, sizing and touch events. This chapter is long but the highly detailed support of multiple platforms and resolutions is a justified discussion point.

In sixteen, the reader gets a treatment of utilizing sprites and their artists to simulate sparks and smoking holes. The book calls this chapter “particle systems” but I don’t think that’s a very good title as the code isn't actually dealing with things at the particle level. Instead this chapter focuses on using sprites to simulate those behaviors via animation. This is completely necessary on a computation inexpensive platform but it is misleading to call these particle systems.

Now that the game looks and functions appropriately, the book covers UI elements like player scores and player lives. The auditing of these metrics are covered in the code as well as warnings when the game begins to run to slowly. It also covers the ‘edge’ condition of winning in the game and the routine that is followed when the user wins the game.

The next chapter introduces the concept of a developer backdoor so that the reader can manually speed up or slow down the game while playing it or even test special cases of the runner sprite interacting with other elements. It’s a useful trick for debugging and playing around but does devote a lot of time to the specialized UI like the speed slider and other things that won’t (or rather shouldn't) be seen by a common player.

Chapter nineteen really felt out of place and very inadequate on important details. It’s a blind rush through using node.js and socket.io to implement server side high scores. The way it’s implemented would make it trivial for someone to submit a high score of MAX_INT or whatever to the server. The metrics reporting is done in a manner that (in my opinion) breaks from long established logging structure one would be familiar with. While it covers important things to record from your users in order to tweak your game, the inadequacy of discussions about shortcomings makes it feel out of place in this text. It's a topic of great depth and I have no problem with an author touching on something briefly in one chapter — this chapter does lack the warnings and caveats found in other chapters though.

Contrary to the previous chapter, the final chapter is a fast application of the entire book’s principles applied to a new game (Bodega’s Revenge). Geary gives a final run through showing how the lengthy prior discussions quickly translate to a new set of sprite sheets and game rules. If this book is ever expanded, I think it would be great to include additional chapters like this although I would pick a more distinct and popular two dimensional game format like a tower defense game or a bejeweled knockoff.

Overall, Core HTML5 2D Game Programming is a great book for a JavaScript developer looking to dabble in game development. You can purchase Core HTML5 2D Game Programming from barnesandnoble.com. Slashdot welcomes readers' book reviews (sci-fi included) — to see your own review here, read the book review guidelines, then visit the submission page. If you'd like to see what books we have available from our review library please let us know."

Link to Original Source

Comment: Re:Programming with disabilities (Score 1) 77

by TeknoHog (#48946831) Attached to: How Blind Programmers Write Code

The biggest technical issue with accessibility is the fixation on the all-in-one user interface and application model. If you separate the user interface from the application then you can swap out the UI for another one. I could remove the GUI and put in a speech or an interface with graphical augmentation for feedback. Or use text-to-speech for feedback. Splitting off the UI from the application makes it possible to make an application accessible without having to go through the effort of writing an accessibility interface and it reduces the cost of accessibility on the developers making it possible to make more applications accessible.

In other words, Unix philosophy for the win :)

Comment: What? (Score 0) 114

by Bogtha (#48945839) Attached to: Wi-Fi Issues Continue For OS X Users Despite Updates

Although Apple has never officially acknowledged issues surrounding Yosemite and Wi-Fi connectivity, the company is clearly aware of the problem: Leading off the improvements offered in the update 10.10.2 update released Tuesday was 'resolves an issue that might cause Wi-Fi to disconnect,' according to the release notes.

So basically, you said that Apple haven't acknowledged the problem, then quoted them acknowledging the problem?

Comment: Re:Big (Score 1) 173

by jrumney (#48944501) Attached to: Microsoft Launches Outlook For Android and iOS

One great thing about Outlook is the ability to recall mails

????. One idiotic thing about Outlook is it gives non-technical cow-orkers the illusion that you can recall mails. Personally I get a bit sick of my mailbox being full of duplicate emails and recall notices because someone wanted to fix a trivial spelling mistake.

Comment: Re:More ambiguous cruft (Score 1) 497

Yeah, as I understood it, the objection is that it forces farmers to buy seeds yearly. That's fine in a first world economy, but subsistence farmers need to be able to re-seed with their own crop yield. Many of them may never see enough cash to buy seeds in the first place, but there was concern about "first crop is free!" type promotions.

I don't know how realistic the concerns were in this particular case, but the history of companies like Nestle and their milk formula scheme is enough to give pause to a lot of people.

There's no sense in being precise when you don't even know what you're talking about. -- John von Neumann

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