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• Mobile Multiplayer games and coping with high latency

  - by spaceOwl

  I'm currently researching regarding a design for an online (realtime) mobile multiplayer game. As such, i'm taking into consideration that latencies (lag) is going to be high (perhaps higher than PC/consoles). I'd like to know if there are ways to overcome this or minimize the issues of high latency? The model i'll be using is peer-to-peer (using Photon cloud to broadcast messages to all other players). How do i deal with a scenario where a message about a local object's state at time t will only get to other players at *t + HUGE_LAG* ?

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• How to create an auto-grader in and for Python

  - by recluze

  I'm trying to create an auto-grader for one of my beginning programming courses for python. From my online search, I've come to know that it is effectively a unit test framework that tests the student's code rather than production code but I'm not really sure how to structure the flow of the program. Can anyone please provide a strategy for submission of code by students and automating the whole process of marking? For instance, how would the student code be submitted and then stored/structured on disk, how would the grades be stored/reported? I'm only looking for a broad strategy and will try on my own to fill in the blanks. (I asked this on stockoverflow.com initially but it's considered as off-topic and I was suggested to ask here.)

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• Lower your Applications Infrastructure Cost with Oracle Database 11g

  - by john.brust

  If you missed our live Oracle Database 11g Release 2 webcast last Friday, the replay is available. So, join us for the on demand free Webcast in which Mark Townsend, Vice President of Oracle Database Product Management, discusses how running your Oracle applications (Oracle eBusiness Suite, Oracle's PeopleSoft, and Oracle's Siebel ) on Oracle Database 11g can improve performance and scalability, eliminate downtime, and reduce IT infrastructure costs. In the Q&A segment, Mark answers questions about compression, virtual machines, Oracle Active Data Guard, online application upgrades, and much more. Note: Turn off pop-up blockers if the slides do not advance automatically.

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• How to Disable or Uninstall Android Bloatware

  - by Chris Hoffman

  Manufacturers and carriers often load Android phones with their own apps. If you don’t use them, they just clutter your system and sometimes in the background, draining resources. Take control of your device and stop the bloatware. We’ll be focusing on disabling – also known as “freezing” bloatware here. It’s a safer process than uninstalling the bloatware completely, and is also easier to accomplish with free apps. HTG Explains: Learn How Websites Are Tracking You Online Here’s How to Download Windows 8 Release Preview Right Now HTG Explains: Why Linux Doesn’t Need Defragmenting

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• What Happens When You Load a Web Page? [Video]

  - by Jason Fitzpatrick

  When you type in a URL and the web page loads, everything seems so simple. Peel back the layers, however, and you see a complex delivery system built around data packets. Watch this informative video to see how your web requests actually work. Courtesy of The World Science Festival, we find this well put together video demonstrating how a trans-Atlantic web page request works. [via Boing Boing] HTG Explains: What Is RSS and How Can I Benefit From Using It? HTG Explains: Why You Only Have to Wipe a Disk Once to Erase It HTG Explains: Learn How Websites Are Tracking You Online

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• Now Available:Oracle Utilities Customer Self Service Version 2.1

  - by Roxana Babiciu

  The Oracle Utilities Global Business Unit is pleased to announce the general availability of Oracle Utilities Customer Self Service 2.1. It is ready for customers and partners to download and install via the Oracle Software Delivery Cloud. Key Features & Benefits: Oracle Utilities Customer Self Service 2.1 includes several new capabilities and enhancements including significantly improved Commercial Account Management and Advanced Notification Management using a new Oracle Utilities Notification Center module (licensed separately). These include the following: Advanced Notification Management Online Issues and Forms Management • Budget Management and Billing for Billed Budgets Prepaid User Dashboard Enhanced Usage Details Web Presentment Start/Stop/Transfer Service Automation Payment Arrangement Automation Account Sets Management for Large Commercial Customers Multiple Account Usage Data Aggregation, Comparison, and Data Download Multiple Account Financial History Mobile Outage Maps More information can be found on OPN

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• State of Texas delivers Private Cloud Services powered by Oracle Technology

  - by Anand Akela

  State of Texas moved to private cloud infrastructure and delivering Infrastructure as a Service , Database as a Service and other Platform as a Service offerings to their 28 state agencies. Todd Kimbriel, Director of eGovernment Division at State of Texas attended Oracle Open World and talked with Oracle's John Foley about their private cloud services offering. Later, Todd participated in the keynote panel of Database as a Service Online Forum> along with Carl Olofson,IDC analyst , Juan Loaiza,SVP Oracle and couple of other Oracle customers. He discussed the IT challenges of  government organizations like state of Texas and the benefits of transitioning to Private cloud including database as a service .

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• Do you know some Information about train travel in China?

  - by user79989

  Me and my friend are planning to China travel next year.well train travel in China is an interesting experience, with the world's fastest train (guangzhou to wuhan), the word's highest train (in tibet) and the world's oldest working train (from Tonglio to Baotou in the north of China). Now travelling in China by train is not always easy.You can do a Hong Kong to Beijing Train trip, and buy those tickets online. But to be honest with you, most of that journey is pretty boring. The best part of it is going through northern Guangdong and Southern Hunan provinces.ChinaTour.com is a reliable China Travel Agency based in USA, which has specialized in inbound China travel for decades.

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• Automatically adding CD box art so that I can put it on my iPod.

  - by Seamus

  I know it's possible to automatically find CD covers for albums, because rhythmbox is doing it on the fly. (When I listen to stuff, it finds the CD cover online...) What I want is to get this information onto my ipod. As it stands pretty much all my songs have the default blank CD cover... I use gtkpod to transfer music to it. This needs to be an automatic process, because I have a large music library and I'm lazy and it's not exactly an important thing... I rip CDs I buy with the basic CD extractor, so all the files are in a Artist/Album/song.mp3 structure. (Yes I know, mp3 is evil, but iPod doesn't like .ogg so whatever)

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• I upgraded my ubuntu server from 13.04 to 13.10 Bugs I faced

  - by kirankumar kotari

  On upgrade from 13.04 to 13.10 my system is hanged. So after waiting for 30 min. I tried to restart. Some file are corrupted. I inserted my 13.04 disk and started in rescue mode. Finally My system started Then, I upgraded some apps again. Now my system upgraded to 13.10. Finally Done. But, Now the bugs raised. On my start key I got only my online services. No other applications, recently used, music, video icons are not showing. I am facing huge problem. I am unable to see my application what i installed. I checked in unity tweak tool all are fine. So, I ask any one to solve this issue.

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• E-commerce + CMS: 2 sites or one?

  - by Guandalino

  Ok, let's say that a customer already has a CMS managed web site but now wants to sell goods online using an E-commerce platform (Magento in this case). My question is, does it make any difference between choosing to have just one site running both CMS and E-commerce (www.mycompany.com, or to have one site for the CMS (www.mycompany.com) and another (www.mycompany-shop.com) for E-commerce? I'd like to know the pros and cons of these approaches, so that I can advice the customer for the best. --EDIT I forgot to say that I'd prefer to have 2 separated web sites. This way I shouldn't have to learn how to integrate them together (one in Python, the other in PHP).

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• Designing a simple snake A.I

  - by DillPixel

  I've looked at some stuff online regarding this specific topic, and a lot of the info that I read involved graphs and path finding. I really don't want to get involved in something too complex & out of my level, and also I don't need my snake to be that intelligent (it will be a large board with the snake not growing in size on every munch). How could you structure a simpler AI for the snake that gets the job done relatively well? I would be able to get the snake to move towards the food item correctly, but my issue is that I'm not sure how to deal with the snake colliding with itself. Say the snake has a look ahead, and it finds that its tail is in the way, it could change direction, but what happens next? Any ideas on how to tackle this? Should the snake build an instruction set from every square, or should it think on the go?

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• 81% of European Shoppers Willing to Pay More for Better Customer Experience

  - by Richard Lefebvre

  Customer Experience provides strategic driver for business growth Research released today from Oracle has revealed that customer experience is now a key driver for revenue growth in Europe, and an effective channel for brand differentiation in a globalized economy where products and services are increasingly commoditized. The research report, “Why Customer Satisfaction is No Longer Good Enough,” reveals that 81% of consumers surveyed are willing to pay more for superior customer experience. With nearly half (44%) willing to pay a premium of more than 5%. Improvement of the overall customer experience (40%), providing quick access to information and making it easier for customers to ask questions (35%) were cited as key drivers for spending more with a brand. The pan-European research, carried out in June 2012 by independent research company Loudhouse, surveyed 1400 online shoppers (50% female, 50% male) who had made a complaint or enquiry to a customer service department in the last 12 months. For full research findings please go to: http://bit.ly/UwmB3j or check the Press Release

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• What makes it hard to protect from hacks/bots in BF3 and Quake Live?

  - by Jakub P.

  After playing these games, asking other players/admins, and reading online I am led to believe that Quake Live and Battlefield 3 are frequented by bots and there are plenty of hacks of various kinds. I'm confused how this is possible, or even easy seeing how many players have access to these kinds of "tools" (sic). Isn't it possible for the game authors to digitally sign the game executables so that when they run, the server can ensure only the allowed client is sending commands, thus preventing any kind of abuse? I.e. every player command would be signed by a private key, or symmetrically encrypted (not sure which would make more sense). I understand that players can look at the running executable's behavior (memory etc.), but if games are apparently so easy to hack, shouldn't most apps be hacked as well (e.g. Skype, all DRM running on Windows etc.)?

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• xmonad keyboard doesn't work

  - by Mikkel Paulson

  I'm experimenting with xmonad, which I installed from the Ubuntu Software Centre on Ubuntu 12.10. It looks cool, but when I invoke it (using xmonad --replace from the command line) my title bars disappear and my keyboard stops working. At all. The terminal stops working, the keystrokes I've seen in online "getting started" guides are ignored, and the only way for me to actually power the system off is to hit the reset button or ssh in from my phone. Ironically, my mouse still works. One guide I saw suggested replacing the default window environment with xmonad, but I'm afraid of rendering my system completely inoperable if I do that. Any suggestions?

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• Ask the Readers: How Do You Get Stuff Done Outdoors?

  - by Jason Fitzpatrick

  Temperatures are rising, there’s more sunshine to be had, and many office workers are getting the itch to work outside. This week we’re interested in hearing your tips and tricks for working productively and comfortably outside. As fun as it is to work outside and enjoy some sunshine, fresh air, and a change of scenery, transplanting yourself outside your office comes with it’s own set of challenges. This week we want to hear all about your tips and tricks for working outside. How do you keep your screen visible and crisp? Work away from outlets? Minimize the amount of gear you have to haul around? Sound off in the comments with your work-outdoors-advice and then check back in on Friday for the What You Said roundup. HTG Explains: What Is RSS and How Can I Benefit From Using It? HTG Explains: Why You Only Have to Wipe a Disk Once to Erase It HTG Explains: Learn How Websites Are Tracking You Online

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• Slalom Consulting San Francisco Custom Dev Challenge is live!

  - by PeterTweed

  The Slalom Consulting San Francisco Custom Dev Challenge is live at www.slalomchallenge.com!!!!! Slalom Consulting employs world-class technical consultants who take on ground breaking projects.  Please take the Slalom Custom Dev Challenge to see how you compare to the level of knowledge we look for in our technical consultants.  The online quiz is focussed on General .NET at this time and will be growing to include other technical topics in the future. This application is written in C#, Silverlight and WCF running deployed in the cloud on Windows Azure and working with SQL Azure and Blob Storage.

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• Byte Size Tips: How to Insert a YouTube Video Into a PowerPoint Presentation in Office 2013

  - by Taylor Gibb

  How many times have you needed to show a video during a presentation? Using YouTube and PowerPoint, it is now possible. Insert a YouTube Video Into a PowerPoint Presentation in Office 2013 Go ahead and open PowerPoint and switch over to the Insert tab. Then click on Video, and then Online Video… If this is your first time inserting a video from YouTube, you will need to add it as a provider from the bottom left hand side of the dialog. Once added, you will be able to enter a search term. You can then simply select a video and hit the insert button. That’s all there is to it. Remember Videos come with their own set of editing options, so be sure to take a look around.     

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• Resize content for "frame" on .aspx page which draws product content from suppliers' page

  - by zenbike

  I have a retail store site, no online sales, which displays the webpage of our supplier in a "frame" in order to have the most accurate and up to date information for our customers. (example) My issue is that the size of the page it is pulling in doesn't fit in the frame. It looks pretty poor, and part of the content is obscured. Is there a way to scale the content drawn in to the size of the frame? The same site also has an intermittent issue with the Flash banner loading. When it doesn't load, the layout of the header on the page is awful. Any ideas there will also be appreciated.

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• Good sites for sharing code snippets & pastes that you can share links to?

  - by acidzombie24

  I know there are site tools to check if your webpage is alive, has compression, etc but lets not get into that. What are useful sites to paste code in and to share links to it? The three i know are http://codepad.org/ shows source and runs code online http://www.pastie.org/ share source with syntax highlighting http://jsfiddle.net/ great for JS help or for the occasional test. What else do you know of? One answer per question. I'll let lints and validators slide since you do paste code into them. Mention a weakness if you do know one so others wont be surprised or disappointed.

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• Coordinating team code review sessions [closed]

  - by Wade Tandy

  My question has two parts: 1) In your team or organization, do you ever do in-person code reviews with all or part of a team, as opposed to online reviews using some sort of tool? 2) How do you structure these meetings? Do you choose to focus on one person's code in a given meeting? Do you look at everything? Take a random sample? Ask people on the team what they'd like to have looked at of theirs? I'd love to add this practice to my development team, so I'd like to hear how others are doing it.

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• Using Linux as guest on vmware and sharing connection with windows vista

  - by mike

  I been trying for weeks with vmwware player, now d/l vmwware work station 7, Have a laptop with one built in modem and a usb modem I bought, It works great switching it over from host to use in ubuntu to connect to the net, now when I use that modem from the host to connect online I have no trouble getting ubuntu to share the internet connection, But tried with NAT bridge host and all to get it to work from ubuntu to share the internet connection to windows vista, the host, I know it should work if it works the other way around, I tried setting up my wlan0 eht0 and eth1 to the correct IP can get both systems to notice each other by name and ip, but cant get them to share the connection from guest to host, I've tried iptables and all as well, Can someone please help me out with this? I am sure It is something something I'm over looking, Thanks in advance

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• Which is easier to learn, Zend Framework, CakePHP or CodeIgniter?

  - by Kwame Boame

  I am new to programming but I know HTML, CSS and Jquery. I am a web designer but want to expand my skill to application development with frameworks. Specifically, PHP frameworks. I want to know which of the frameworks mentioned in the question is difficult to master. Also, my friend wants me to learn Ruby on Rails/ Python instead of PHP. What's your best advice for a newbie programmer who is looking to build online software/apps in the near future; say, after 3 months/6 months or a year of study and practice?

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• 14.04 Chinese Ibus Input - No Options

  - by RhZ

  getting my new 14.04 rig going ;-) Pretty happy with it, everything seems to be working great. For Chinese input, however, having a problem. I went through the typical steps, open language in settings, let it install some stuff, then add Chinese and choose Ibus. Then, after logging in and out, I see the language icon in my system tray. However, when I go to add the Chinese into Ibus, it only lets me choose "Chinese", which isn't an input method. It should give me a bunch of choices like pinyin, bopomo or whatever, I only use pinyin so don't know those names. I saw someone online had a little command which helped people with similar problems, but it did not work for me, even after a re-start. So, anyone got a solution? Edit: Here is what it looks like, just "Chinese" in the list, when there should be a bunch of input options like pinyin, potomofo, and so on.

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• Bring 2 GB Large Pages to Solaris 10

  - by Giri Mandalika

  Few facts: 8 KB is the default page size on Oracle Solaris 10 and 11 as of this writing Both hardware and software must have support for 2 GB large pages SPARC T4 processors are capable of supporting 2 GB pages Oracle Solaris 11 kernel has in-built support for 2 GB pages Oracle Solaris 10 has no default support for 2 GB pages Memory intensive 64-bit applications may benefit the most from using 2 GB pages Prerequisites: OS: Oracle Solaris 10 8/11 (Update 10) or later Hardware: Oracle servers with SPARC T4 processors e.g., SPARC T4-1, T4-2 or T4-4, SPARC SuperCluster T4-4 Steps to enable 2 GB large pages on Oracle Solaris 10: Install the latest kernel patch or ensure that 147440-04 or later was installed Check the patch download instructions Add the following line to /etc/system and reboot set max_uheap_lpsize=0x80000000 Finally check the output of the following command when the system is back online pagesize -a eg., % pagesize -a 8192 <-- 8K 65536 <-- 64K 4194304 <-- 4M 268435456 <-- 256M 2147483648 <-- 2G % uname -a SunOS jar-jar 5.10 Generic_147440-21 sun4v sparc sun4v Also See: Solaris 9 or later: More performance with Large Pages (MPSS) Large page support for instructions (text) in Solaris 10 1/06 Solaris: How To Disable Out Of The Box (OOB) Large Page Support? Memory fragmentation / Large Pages on Solaris x86

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