encrypting code - Page 547

TweetDeck and Google App Engine: A Match Made in the Cloud

I'm Reza and work in London, UK for a startup called TweetDeck . Our vision is to develop the best tools to manage and filter real time information...

SoapMSMQ Transport for WSE 3.0

The soap.msmq transport update for the WSE 3.0, configuration and usage of the message exchange patterns.

Game Development for Android: A Quick Primer

[This post is by Chris Pruett , an outward-facing Androider who focuses on the world of games. — Tim Bray] If you attended Google I/O this year, you...

A simple test on the efficiency of thrust

Verify the execution efficiency of a simple CUDA program when using the library thrust

This article demonstrates building a web based interactive chart and is my attempt to assimilate some of the recent updates and best practices that have emerged with Visual Studio 2010 and .NET Framework 4 into my software lexicon.

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Burning and Erasing CD/DVD/Blu-ray Media with C# and IMAPI2

Using the Image Mastering API in C#.

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Introducing the Workspace Mechanic for Eclipse

Hi Internet! I’m Robert Konigsberg, and I’ve spent the last four years working on a team that writes Eclipse plug-ins for our coworkers here at Google. I’m happy...

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Designer centric Wizard control

A Wizard control designed for design time development.

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FxEngine Plugin to simulate logic gates

This article shows how to build plugins to simulate logic gates with the FxEngine framework

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Indefinite loops where the first time is different

- by George T

This isn't a serious problem or anything someone has asked me to do, just a seemingly simple thing that I came up with as a mental exercise but has stumped me and which I feel that I should know the answer to already. There may be a duplicate but I didn't manage to find one. Suppose that someone asked you to write a piece of code that asks the user to enter a number and, every time the number they entered is not zero, says "Error" and asks again. When they enter zero it stops. In other words, the code keeps asking for a number and repeats until zero is entered. In each iteration except the first one it also prints "Error". The simplest way I can think of to do that would be something like the folloing pseudocode: int number = 0; do { if(number != 0) { print("Error"); } print("Enter number"); number = getInput(); }while(number != 0); While that does what it's supposed to, I personally don't like that there's repeating code (you test number != 0 twice) -something that should generally be avoided. One way to avoid this would be something like this: int number = 0; while(true) { print("Enter number"); number = getInput(); if(number == 0) { break; } else { print("Error"); } } But what I don't like in this one is "while(true)", another thing to avoid. The only other way I can think of includes one more thing to avoid: labels and gotos: int number = 0; goto question; error: print("Error"); question: print("Enter number"); number = getInput(); if(number != 0) { goto error; } Another solution would be to have an extra variable to test whether you should say "Error" or not but this is wasted memory. Is there a way to do this without doing something that's generally thought of as a bad practice (repeating code, a theoretically endless loop or the use of goto)? I understand that something like this would never be complex enough that the first way would be a problem (you'd generally call a function to validate input) but I'm curious to know if there's a way I haven't thought of.

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The Practical Guide to Multithreading - Part 2

More of practical situations to use multithreading!

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Life, Identity, and Everything

Life, Identity, and Everything Tim Bray is the Developer Advocate, and Breno de Madeiros is the tech lead, in the group at Google that does authentication and authorization APIs; specifically, those involving OAuth and OpenID. Breno also has his name on the front of a few of the OAuth RFCs. We're going to talk for a VERY few (less than 10) minutes on why OAuth is a good idea, and a couple of things we're working on right now to help do away with passwords. After that, ask us anything. From: GoogleDevelopers Views: 0 0 ratings Time: 30:00 More in Science & Technology

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BSEtunes

BSEtunes is a MySQL based, full manageable, networkable single or multiuser jukebox application

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Text To Image With Rotation For The Web

This article will explain how to create an HttpHandler that will accept a text string, optionally rotate it, and return an image of the rotated text.

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Google I/O 2012 - Data Driven Storytelling

Google I/O 2012 - Data Driven Storytelling Michael Fink, Yinnon Haviv, Dani Bacon From a single chart to elaborate data driven storytelling, Google Chart Tools now provides a crisp and accessible experience based on our new HTML5 gallery. Come and learn how you can use animations, annotations and other visual semantics and to take user-interaction with rich data, to the next level. For all I/O 2012 sessions, go to developers.google.com From: GoogleDevelopers Views: 563 10 ratings Time: 53:05 More in Science & Technology

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- by George T

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