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• First 100 Registrations to Prairie Dev Con Get a Free 1 Month Subscription to TekPub!

  - by D'Arcy Lussier

  Thanks to our generous friends at TekPub, the first 100 registrants to the Prairie Developer Conference will receive a complimentary 1 month subscription to TekPub’s content! We’ll also be giving away 2 year long subscriptions at the conference as well! TekPub is the creation of Rob Conery and James Avery. They offer web-based learning videos covering a wide variety of topics that span Microsoft, Ruby, Open Source, Linux, Best Practices, and more…there’s literally an embarrassment of technology learning riches available through their site at very affordable costs! So check out TekPub today, and make sure to register for Prairie Developer Conference early to take advantage of the 1-month subscription offer!

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• How To Track "Similar Product/Page" Links In Internal Site

  - by Petra Barus

  So I just created a new widget that would show up in a product page in my site. This widget will show several products similar to the product that is displayed in the current page. The purpose is to help users compare similar products. Let's say in the product page A http://domain/products/A The Similar Products widget will show http://domain/products/B http://domain/products/C http://domain/products/D http://domain/products/E My question is how to track this "Product B page were visited X times from Product A page via Similar Product widget"? (And there is also chance that Product B will show up in the widget on Product C page) I have this idea using the Event feature from Google Analytics. But I'm still not sure if it is or what is the common best practice for this.

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• Microsoft Build 1st Day

  - by Dave Noderer

  Great keynote and I don’t like keynotes.. Seeing the great breadth of large and small devices and the number of manufacturers along with the software vision for Windows 8 and Windows Phone 8 was inspiring. Jordan Rudess demonstrates Tachyon on Windows 8 Then he played for a while too..   I especially liked Steve Balmers 82” slate!! Can I have one!   And best of all, they finally released the Windows Phone 8 SDK. http://www.microsoft.com/en-us/download/details.aspx?id=35471 Off to sessions…   Stay tuned for more!

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• Developing an AI opponent for Monopoly

  - by Bernhard Zürn

  i want to develop an AI opponent for the Board Game Monopoly. I want to implement the whole Game with Prolog (XPCE). The probability for a field on the Board being hit, can be computed with Markov Chains. I already know some "best practices" like "after 50% of the playing time it does not make sense to buy out of jail because in jail you get renting fees for your fields but you don't have to pay for other fields as long as you stay in prison". The interesting question always is: buy a streetfield ? buy houses / hotels ? how much ? so i think i would have to compute some kind of future liquidity .. does anyone know how to pack that into an algorithm or how to translate it to prolog ?

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• Speak now! Call for Papers at Oracle Openworld is now open

  - by Jean-Pierre Dijcks

  Present Your Thoughts to Thousands of Oracle Customers, Developers, and Partners Do you have an idea that could improve best practices? A real-world experience that could shed new light on IT? The Oracle OpenWorld call for papers is now open. This is your opportunity to speak your mind to the world’s largest gathering of the most-knowledgeable IT decision-makers, leading-edge developers, and advanced technologists. So take a look at our criteria and join us at Oracle OpenWorld. We look forward to hearing from you. Register Early and Save See and learn about the newest products. Meet experts and business leaders. All for less. Register for Oracle OpenWorld before March 30, 2012, and you’ll save up to US$800 off the registration. Register now.

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• Has an open console any chance to give more strength to the indie game world ?

  - by jokoon

  I have heard about the GPX, but i don't really think the embedded market is mature enough in terms of performance, but what about the home console market ? I'm not talking about last-generation graphics, because that would be economically impossible, but what about an hardware as fast as a playstation 2/Xbox 1/Gamecube ? For games, the trick would be to ask some editors to recompile their best sellers for the new machine: those games being from the PSX age or even older console generations, I think this would have a very low cost job and they could still make some good profit, but I need to know if this is doable technically, considering the architecture which can be quite exotic. Do you think it would be a viable project to talk about to investors ?

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• Is it possible to learn maths via programming, or you should learn maths for programming?

  - by SAFAD

  I am not the best in maths, not very horrid either, but lower than the average, I've always been thinking to improve my maths, but schools and books didn't do the job because I get bored too fast. The only thing I don't get bored with is coding and gaming, so I thought what if coding a program that solves mathematical problems will help me understand maths better, most of these problems are limits (calculus), functions, Differential calculus, and some other subjects (I already said am not that good) similar to the previous noted. My question is: Am I able to achieve a better knowledge in maths if I do some specific program coding, and if possible, is physics possible that way too? Or am I wrong and Maths should be learned before programming to help improve my coding? P.S : C++ is the preferred language.

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• How to become an expert in Python, PHP and Javascript? [closed]

  - by Andrew Alexander

  So I've been programming for about 9ish months now, and I've taught myself some Python, some PHP and some Javascript. I want to become better at these languages - I can hack something out, but a lot of things like OOP, using lists in the most effective ways, etc, is lost on me. What are the best ways to become an "expert" programmer? Does it depend on the nuances of the language, or is it more general? Is there any math I should be studying alongside it? Obviously a lot depends on what you want to do with it - so far I've mostly done small scale internal applications as well as web programming. How do I find out about good program design?

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• How to improve Unity Performance?

  - by Wolter Hellmund

  I installed ubuntu netbook edition on my netbook* expecting to get the best performance out of it, but apparently, that didn't turn out. Unity is a bit slow on it, and when I click on Files and folders it takes a while to load the respective interface and the bar at the top disappears and then loads in. Is this expected? Is there anything I can do to improve the performance? Is this problem specific to my netbook? *Netbook info: Acer - Aspire One 1.6 GHz Intel Atom Processor 1 GB RAM Memory Intel GMA 950 graphics card

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• Converting large files in python

  - by Cenoc

  I have a few files that are ~64GB in size that I think I would like to convert to hdf5 format. I was wondering what the best approach for doing so would be? Reading line-by-line seems to take more than 4 hours, so I was thinking of using multiprocessing in sequence, but was hoping for some direction on what would be the most efficient way without resorting to hadoop. Any help would be very much appreciated. (and thank you in advance) EDIT: Right now I'm just doing a for line in fd: approach. After that right now I just check to make sure I'm picking out the right sort of data, which is very short; I'm not writing anywhere, and it's taking around 4 hours to complete with that. I can't read blocks of data because the blocks in this weird file format I'm reading are not standard, it switches between three different sizes... and you can only tell which by reading the first few characters of the block.

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• Web Page Execution Internals

  - by octopusgrabbus

  My question is what is the subject area that covers web page execution/loading. I am looking to purchase a book by subject area that covers when things execute or load in a web page, whether it's straight html, html and Javascript, or a PHP page. Is that topic covered by a detailed html book, or should I expect to find information like that in a JavaScript of PHP book? I understand that PHP and Perl execute on the server and that Javascript is client side, and I know there is a lot of on-line documentation describing <html>, <head>, <body>, and so on. I'm just wondering what subject area a book would be in to cover all that, not a discussion of the best book or someone's favorite book, but the subject area.

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• Private domain purchase with paypal: how to prevent fraud?

  - by whamsicore

  I am finally going to buy a domain I have been looking at. The domain owner wants me to give him my Godaddy account information and send him the payment via Paypal gift, so that there will be no extra charges. Should this cause suspicion? Does Paypal offer any kind of fraud protection? What is the best way to protect myself from fraud in this situation, without the need for escrow services, such as escrow.com? Any advice welcomed. Thanks.

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• Where should I store and verify files manipulated by an app

  - by Alan W. Smith

  I'm working on a little Ruby script to move screenshots while renaming them based on a specific convention. I'll be writing tests to confirm the behavior. Ruby has lots of conventions for where to store files (e.g. the "spec" and "features" directories for RSpec and Cucumber, respectively), but I'm not finding best practices for storing files that will be acted upon by the tests. The same goes for a destination for the final copies of the files. So, the question in two parts is: Where should I store files that the test cases will use for a source input. Where should tests that need to write output files send them to.

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• What source control to use for my private gaming server?h

  - by crosenblum

  It has sql server components, client launcher, server software. I want to use an online resource where people can make updates, and make it easier to roll out any changes to players. Most of the files are just text files, or gtx image files. I don't think this qualifies as open source, so I don't know what to do. I tried github, and have a free account there, but it was really clunky, mass adding every file to be comitted. I really dont' like subversion but if that's the best option, i'll use it. The other people who will need access to the files will have no familiarity with any kind of source control, so I need an easy system for them to download files, make changes, and comit to the repository. Any suggestions?

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• Mounting filesystem with special user id set

  - by qbi

  I want to mount the device /dev/sda3 to the directory /foo/bar/baz. After mounting the directory should have the uid of user johndoe. So I did: sudo -u johndoe mkdir /foo/bar/baz stat -c %U /foo/bar/baz johndoe and added the following line to my /etc/fstab: /dev/sda3 /foo/bar/baz ext4 noexec,noatime,auto,owner,nodev,nosuid,user 0 1 When I do now sudo -u johndoe mount /dev/sda3 the command stat -c %U /foo/bar/baz results in root rather than johndoe. What is the best way to mount this ext4-filesystem with uid johndoe set?

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• Intercepting the Unity logout

  - by qbi

  I want to copy some data from another machine to a local computer on a regular basis. At the moment I'm researching different solutions and try to find the one which fits best. Basically I want to open a network connection (or use an existing one), make a VPN connection and start a rsync process. This should be done on every logout of my desktop session or on shutdown. One possible solution might be to somehow intercept the Unity shutdown and execute a script. So is there a possibility to execute a script on GNOME/Unity shutdown? I'm aware that you can do it on system shutdown. How can I do this?

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• Android opengles 2.0 :different resolutions rendering and input

  - by kkan

  I'm currently developing a sprite based 2D game for android using opengles 2.0. I've got some basic rendering done that mimics the spritebatch functionality of xna (draw sprite, rotation, color). But all of this works for a fixed projection matrix, but android has a lot of screen sizes. Q1)Would this be an okay method to scale up/down the drawing? 1)Draw the whole screen to a texture. 2)Draw the above texture as a quad to the device. I found the above through some searching, not sure if it's the best one, are there any alternatives? Q2)How do you handle inputs for different resolutions? I currently get the position of a touch and use it raw. Would it be okay to get the position, and then scale the position to size of the texture used for rendering, and the perform calculations on it? Thanks.

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• Utility Objects–Waitfor Delay Coordinator (SQL Server 2008+)

  - by drsql

  Finally… took longer than I had expected when I wrote this a while back, but I had to move my website and get DNS moved before I could post code… When I write code, I do my best to test that code in as many ways as necessary. One of the last types of tests that is necessary is concurrency testing. Concurrency testing is one of the most difficult types of testing because it takes running multiple processes simultaneously and making sure that you get the correct answers multiple times. This is really...(read more)

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• Browser window size statistics?

  - by Litso

  I was wondering, are there any statistics available on what size users have their browser set to nowadays? I know the screen resolutions (we have analytics, which shows those as well) but I doubt a lot of people with 1280*xxx and higher still browse full-screen though. My boss is determined to keep our website 900px wide though, because that way people with 1800*xxx resolutions can have two browser windows next to eachother without having to scroll horizontally. I have never seen anyone browse with two adjacent browser windows like that except here at my current job, so I'm kind of doubting whether this is the best decision or just his personal preference. Anyone that can help out here?

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• Programming to ANSI standards (for engineering)

  - by Jake

  I am currently tasked to write a software to help engineers design standard compliant designs. If there is a bad design, software will report an error or warning. Maybe it's just me, but anyone who has done this should be familiar with the massive amounts of ANSI standards tables like this one: http://en.wikipedia.org/wiki/Nominal_Pipe_Size Computers are, as its name suggest, computing machines, not lookup machines. I feel that feeding formulas into computers and churning out standard compliant designs is much more efficient than doing memory intensive data lookups that are prone to human input errors and susceptible to "data updates". I actually think that there are formulas to calculate all those numbers, but nobody so far could give me that information. Anyone been through this before? What is THE best approach to this? Thanks for sharing.

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• How to write efficient code despite heavy deadlines

  - by gladysbixly

  I am working in an environment wherein we have many projects with strict deadlines on deliverables. We even talk directly to the clients so getting the jobs done and fast is a must. My issue is that i'd always write code for the first solution that comes to my mind, which of course I thought as best at that moment. It always ends up ugly though and i'd later realize that there are better ways to do it but can't afford to change due to time restrictions. Are there any tips by which I could make my code efficient yet deliver on time?

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• GeForce8800 ultra

  - by Gunnar

  I have been running Ubuntu 10.04 with GeForce 8800 Ultra graphics card without any problems for many months until a few days ago, after some updates, everything stopped working. Can't use Stellarium (my favorite program) and everything (even the mousecusor) stops responding for a long time. Takes ages to load the desktop and everything is just "f..." B.t.w. I have a dual boot and WinXP is not having this problem with the 8800 card. So, elementary... What's going on between Ubuntu and Nvidia? Best regards Gunnar

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• What are the ways to get included in Google Alerts mails

  - by stacker

  There is a news website / blog - I'll call it the Site from now on. The site mention a keyword in one of its articles. I add a Google Alerts for the keyword, but I do not get any alert for the word from The Site. Furthermore, searching the keyword in the news section don't getting any results from The Site. The Site has a sitemap, that indexed by Google every x minutes. And in the main search, searching for a news title bring the item on the top. What are the best ways to get included in Google Alerts mails?

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• OPN Solutions Catalog Goes Mobile!

  - by Richard Lefebvre

  We are pleased to announce the launch of a mobile-ready OPN Solutions Catalog Features include: A fluid search and browse experience regardless of device (phone, tablet, or desktop) Streamlined design and reorganized search facets, making it easier for customers to search and browse partner profiles and solutions The OPN Solutions Catalog is a free marketing tool for all active Oracle PartnerNetwork members. If you are an OPN partner… take advantage of it! To learn more about the new catalog, watch the Solutions Catalog Training which includes best practices and a demo on how to update your profile. Spend a few minutes with our experts to learn how you can expand your market reach and showcase your offerings to our customers, partners, and Oracle employees worldwide. Questions? Visit the Solutions Catalog Resource page or contact the Partner Business Center.

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• "Time Control" in a 2d Platformer

  - by Woody Zantzinger

  I am making a 2d platformer where the player can press a button, and restart the level, only their previous character will also run the level at the same time, like they are traveling back in time. I know other games have done this before, and the way I have thought of doing it is to make the game character have a set of actions (Idle, Jumping, Walking Left etc.) and then detect changes in those actions and log them into a list along with the game time. So then when I need the character to run the level again on its own, I can just go through the list changing its actions at the right time. Is this the best way to do it? Does anyone have any experience in this? Thanks.

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