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• Google I/O Sandbox Case Study: Angry Birds

  Google I/O Sandbox Case Study: Angry Birds We interviewed Rovio, the makers of Angry Birds, at the Google I/O Sandbox on May 11, 2011 and they explained to us the benefits of building on Chrome. Angry Birds, one of the most popular games for mobile devices, is now available on Chrome! For more information about developing on Chrome, visit: code.google.com For more information on Rovio, visit: www.rovio.com From: GoogleDevelopers Views: 19 0 ratings Time: 01:14 More in Science & Technology

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• Looking for Fiddler2 help. connection to gateway refused? Just got rid of a virus

  - by John Mackey

  I use Fiddler2 for facebook game items, and it's been a great success. I accessed a website to download some dat files I needed. I think it was eshare, ziddu or megaupload, one of those. Anyway, even before the rar file had downloaded, I got this weird green shield in the bottom right hand corner of my computer. It said a Trojan was trying to access my computer, or something to that extent. It prompted me to click the shield to begin anti-virus scanning. It turns out this rogue program is called Antivirus System Pro and is pretty hard to get rid of. After discovering the rogue program, I tried using Fiddler and got the following error: [Fiddler] Connection to Gateway failed.Exception Text: No connection could be made because the target machine actively refused it 127.0.0.1:5555 I ended up purchasing SpyDoctor + Antivirus, which I'm told is designed specifically for getting rid of these types of programs. Anyway, I did a quick-scan last night with spydoctor and malware bytes. Malware picked up 2 files, and Spydoctor found 4. Most were insignificant, but it did find a worm called Worm.Alcra.F, which was labeled high-priority. I don’t know if that’s the Anti-Virus Pro or not, but SpyDoctor said it got rid of all of those successfully. I tried to run Fiddler again before leaving home, but was still getting the "gateway failed" error. Im using the newest version of firefox. When I initially set up the Fiddler 2.2.8.6, I couldn’t get it to run at first, so I found this faq on the internet that said I needed to go through ToolsOptionsSettings and set up an HTTP Proxy to 127.0.0.1 and my Port to 8888. Once I set that up and downloaded this fiddler helper as a firefox add-on, it worked fine. When I turn on fiddler, it automatically takes my proxy setting from no proxy (default) to the 127.0.0.1 with Port 8888 set up. It worked fine until my computer detected this virus. Anyway, hopefully I've given you sufficient information to offer me your best advice here. Like I said, Spydoctor says the bad stuff is gone, so maybe the rogue program made some type of change in my fiddler that I could just reset or uncheck or something like that? Or will I need to completely remove fiddler and those dat files and rar files I downloaded? Any help would be greatly appreciated. Thanks for your time.

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• Router's ssid changes from infrastructure to ad-hoc

  - by waldo

  For a period of time the router's ssid is shown (on various computers) as a normal infrastructure network - computers connect fine and everything works however after a few minutes / hours all computers see the same ssid as an ad-hoc network (not infrastructure). At this point a computer that was already connected continues to work - a computer that isn't cannot connect. Rebooting the router temporarily restores the visibility of the correct infrastructure ssid. Is something interfering? Connecting computers: macbook (2009), iphone 3g, windows vista desktop, windows xp desktop. Details: - D-Link DSL-2740B router set to WPA2-PSK (Personal) - Enable Wireless : Yes - Wireless Network Name (SSID) : ###### - Country : Australia - Wireless Channel : 1 - 802.11 Mode : Mixed 802.11n, 802.11g and 802.11b - Channel Width : Auto 20/40 MHz - Transmission Rate : Best (automatic) - Hide Wireless Network : No - Group Key Update Interval : 0 (seconds)

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• How does Router know where to forward packet

  - by kornelijepetak

  If several computers with local addresses (192.168.0.#) are connected to a router and each computer opens a web browser and requests a page over HTTP, when these TCP:80 packets are sent out, the router switches the local address with the static IP of the router (i.e. Provider given IP) so the server can reply to the appropriate address. But how does the router know to which computer to forward the HTTP reply, since the TCP header does not contain the local IP address (does it?), and all computers are using port 80? Does this have anything to do with the MAC addresses? How exactly does this work?

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• Looking for suggestions: becoming a hireable, young programmer [closed]

  - by Dan

  I am a 17 year old Java programmer that has filled the last year with learning all of the ins and outs of Java - Using Eclipse, and the help of a friend of the family (a Java programming architect for some company), I have learned everything from serializing objects, basic networking, generics, reflection, multi-threading, code optimization and efficiency & some concurrency safety - built my own proxy class, and nowadays, I answer questions on Project Euler. I am seeking some suggestions though on where I go next, or where I go from here to get a job in programming. I dedicate at least an hour every day to coding, sometimes literally, the entire day, and I really have come to love the process. I just started reading Effective Java (v2), and learning Scala (as I see often, possibly the Java replacement) I will be going to college for Computer Science next year - and taking AP computer science this year (however, I took a practice exam and got an 87, only need a 60to70 to pass, so no need to study for it too much) -- I was wondering if getting the SE 7 OCA and OCP would help me in trying to get a programming job. I looked around and most people have said online that an OCA/OCP are practically useless, but, at my age do they make me any more credible? More or less, what would you recommend to get a job in programming these days - or distinguish yourself from the crowd? I have enough time and dedication to learn another language, or anything really. Thank you very much.

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• Is It Possible to Change Default Windows Idle Time for Task Scheduler?

  - by alharaka

  From the official Microsoft docs: Detecting the Idle State The Task Scheduler service will verify that the computer is in an idle state every 15 minutes. The computer is considered idle if all the processors and all the disks were idle for more than 90% of the past 15 minutes and if there is no keyboard or mouse input during this period of time. Besides, any presentation type application that sets the ES_DISPLAY_REQUIRED flag will make Task Scheduler to not consider the system as being idle. In Windows 7, Task Scheduler considers a processor as idle even when low priority threads (thread priority < normal) execute. Is there any way to change the time to less than 15 minutes minutes? Am I assuming this hard-coded and impossible? My Google-fu has eluded me so far and I found nothing, but wanted to check here before giving up.

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• My PC becomes very slow after changing page file in XP.

  - by Jane

  Hello there, I have 5 partitions in my computer (C, D, E, F, G), and C: is the system partition. Recently I changed the page file setting to use 768-768 MB from the G:, without changing the C: default value (256-512 MB). Everything runs fine until I rebooted my PC. I unset the G:'s page file before I rebooted my PC. Well, after I rebooted my PC, my XP becomes VERY slow. damn slow. I don't know how long I wasted to wait for the boot screen to disappear. (Well, maybe about 1-3 mins. Normally it is under 10 secs) and when I tried to enter the desktop, it just like using a computer without a VGA card, or VGA driver installed. Very slow. Any suggestions to fix this problem? Because I hate to repair-install my XP =\ Thanks.

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• Listing the routing table takes long time to complete

  - by Rafal Rawicki

  When I print routes defined on my computer using route, it takes about 5 to 20 seconds to complete. Why does it take so much time? With VPN enabled: $ time sudo route Kernel IP routing table (...) real 0m21.423s user 0m0.000s sys 0m0.012s With no VPN, this is about 5 seconds - still, computer can do a lot in this time. I've repeated my measurements few times, getting very similar results each try. My machine is Ubuntu with 3.0.0 kernel, but as far as I know, route on the other computers works the same way.

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• Removed password from Windows 7, now I cannot login using Remote Desktop

  - by Niels Brinch

  I removed the password from the only account on my Windows 7 computer and now I get the following message when I try to log in. "Possible reasons are blank passwords not allowed". I did some research and found out what I should have done (disable the policy to allow blank passwords) but now I'm already logged out and cannot get back in. Does anyone have any suggestions? Update Thanks for all the answers. I actually think the reason I couldn't login with blank password was because I was logging in with Remote Desktop. I had no idea that made a difference, so didn't think it would be relevant to mention. When I went directly on the physical computer, it did not stop me from logging in without a password.

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• Ubuntu unstable, showing awkward behavior

  - by Christophe De Troyer

  Let me start off by saying that this problem can't be described in such a way that allows me to find other topics, which have some relevance to this problem. That's why I created this question. In case this question might have been asked before, I apologize. So what is the problem: My computer (Intel Core I5 2500K - with HD3000 graphics -, 6 gb DDR, 1 SSD, 3 HDD's and an Asus P8Z68 mobo) runs Windows on the SDD. But I decided to give Ubuntu a chance to be my daily OS for basic needs since it's open source and I find it a handicap of not being able to work with it. I decided to run the windows installer and install Ubuntu 12.04 to my 320 Gb hdd which was not being used in my computer. After installing it and booting it, it worked great! I spent the rest of the day/night using it, and falling for it. Great, today I booted Ubuntu (I had the choice in the bootloader as I expected). It asked me for my login and it started logging in. Now, after a few (literally) minutes of letting it "boot" I tried determining the cause of this. What I've figured out so far: When I left click on my desktop it freezes completely for a few seconds I have something like tearing in the left side menu (in games, you know) when I move my mouse around It runs well when just hovering around with my mouse, but from the point I click on something it freezes. What have I tried? I ran a HD Tune diagnostic on the HDD but the performance seems to be very close to the stock values, so I'm taking it as a good HDD. I'm trying to get to the drivers update panel for Ubuntu, but with the state it's in, it's taking a lot of time.. Could anyone point me in a direction for troubleshooting this? I'm not really a noob at all, just when using Linux.. :) Thanks in advance! Christophe,

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• Grub loading. The symbol ' ' not found. Aborted. Press any key...

  - by John

  Hi there, I have a dual boot system on dell xps 9000 with windows 7 and ubuntu. But after I performed system backup on it as requested by windows 7 I am no longer able to boot into the computer, instead at the beginning after bios I get the following message: Grub loading. The symbol ' ' not found. Aborted. Press any key... I tried to change bios booting config to starting with harddrive and it still returned the same message. Using windows boot disk only asks me to do another system backup or threatens to delete my harddrive completely. The only solution I have so far is to reinstall ubuntu, but that leaves 2 additional copies of ubuntu on my computer. Is there a simpler way to fix the situation so I can actually boot into windows? Thanks so much.

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• What is the advantage to using a factor of 1024 instead of 1000 for disk size units?

  - by Joe Z.

  When considering the disk space of a storage medium, normally the computer or operating system will represent it in terms of powers of 1024 - a kilobyte is 1,024 bytes, a megabyte is 1,048,576 bytes, a gigabyte is 1,073,741,824 bytes, and so on. But I don't see any practical reason why this convention was adopted. Usually when disk size is represented in kilo-, mega-, or giga-bytes, it has to be converted into decimal first. In places where a power-of-two byte count actually matters (like the block size on a file system), the size is given in bytes anyway (e.g. 4096 bytes). Was it just a little aesthetic novelty that computer makers decided to adopt, but storage medium vendors decided to disregard? Whenever you buy a hard drive, there's always a disclaimer nowadays that says "One gigabyte means one billion bytes". It would feel like using the binary definition of "gigabyte" would artificially inflate the byte count of a device, making drive-makers have to pack 1.1 terabytes into a drive in order to have it show up as "1 TB", or to simply pack 1 terabyte in and have it show up as "931 GB" (and most of them do the latter). Some people have decided to use units like "KiB" or "MiB" in favour of "KB" and "MB" in order to distinguish the two. But is there any merit to the binary prefixes in the first place? There's probably a bit of old history I'm not aware of on this topic, and if there is, I'm looking for somebody to explain it. (Apologies if this is in the wrong place. I felt that a question on best practice might belong here, but I have faith that it will be migrated to the right place if it's incorrect.)

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• Why does Ubuntu keep trying to connect to a WiFi network while plugged into an ethernet

  - by labarna

  My desk is situated at the edge of the range of a wireless signal which I use occasionally (when away from my desk) and is therefore saved in network manager. At my desk, however, I plug into the ethernet cable. While I'm working the computer is constantly trying to join the wireless network and usually failing this results in two annoying behaviors. 1: In gnome shell the network connect and disconnect notices keep popping up at the bottom of the screen and I have to click them to make them disappear (I assume it's been fixed in the next version of gnome). 2: (the worst!) Occasionally the wifi password dialog will pop up and ask for the password to this network (which is already saved). An additionally annoyance is that in gnome shell I'll get two copies of the dialog that I have to cancel, one is gnome shell themed (no window border etc...) and the other is just normal gnome themed. (Sometimes if I've been away from the computer for a while I will have multiple copies of this dialog up as its been trying to connect for a while resulting in at times 20 dialogs to cancel). Note, all the while I've been happily connected to the ethernet and have full network access. This is incredibly annoying and distracting, why doesn't ubuntu stop trying to connect to wifi if I'm on the ethernet (unless I want to broadcast my own network, but that's different)?

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• How do display a "mucus spreading" effect in a 2D environment?

  - by nathan

  Here is an example of such a mucus spreading. The substance is spread around the source (in this example, the source would be the main alien building). The game is starcraft, the purple substance is called creep. How this kind of substance spreading would be achieved in a top down 2D environment? Recalculating the substance progression and regenerate the effect on the fly each frame or rather use a large collection of tiles or something else?

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• How to deploy SQL Server 2005 Reporting Services on a network without a domain server?

  - by ti

  I have a small Windows network (~30 machines) and I need to deploy SQL Server 2005 Reporting Services. Because I use SQL Server Standard Edition and not Enterprise, I am forced to use Windows Authentication to the users. I am a Linux admin, and have near zero knowledge on Active Directory. As deep as my shallow knowledge goes, I think that I would need to invest in a domain server, a mirrored backup of that domain server. I think that I need to change every computer to use this domain too, and if the domain server goes down, every computer will be unavailable. Is there a easier way to deploy Windows Authentication so that users can access Reporting Services from their computers without changing the infra-structure that much? Thanks!

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• an error while restoring windows 7 from a restore point

  - by user178231

  When I make a restore point and I come back to restore the windows 7, it gives this error: No restore point have been created on your computer system drives, to create a restore point open system protection. I've made a restore point why does it give this error? What should I do? I completely know how to make restore points and I've made some on the laptop and other devices but in my computer which have windows 7 when I make restore point and when I want to use them it gives the error! Please help. I'm not English so can't speak it well.

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• WebLogic Partner Community Newsletter November 2012

  - by JuergenKress

  Dear WebLogic partner community member Too many different product from Oracle, no idea how do they fit together? Get a copy of the Oracle catalog, an excellent overview of the Oracle middleware portfolio. If you have missed the Oracle OpenWorld WebLogic, Java and ExaLogic highlights - you can now watch our community webcast on-demand. To experience and learn more about WebLogic 12c, make sure you attend one of the upcoming WebLogic 12c bootcamps. We are continuously adding many more locations to our training road-show! If you like to suggest an additional location, Please feel free to write us @wlscommunity on twitter. The key presentations from Oracle OpenWorld 2012 are published at our WebLogic Community Workspace (WebLogic Community membership required): Exalogic X3-2 launch (.pptx) & ExaLogic references 2012 (ppt) & General Session Building and Managing a Private Oracle Java & Experiences building JavaEE based PaaS Platform Compressed presentation & Oracle Enterprise Manager 12c Cloud Control Demo (Zip) & Coherence Past Present And Future (ppt)& Coherence Web Elastic Data on WebLogic 12c (zip) & Oracle Tuxedo What’s New in 12c (.pptx) & Tuxedo Java Services(.pptx). One of the newest product in the middleware family ADF Mobile & ADF Essentials is now available. Andrejus published an article on how to implement ADF Essentials on Glassfish. When you design mobile solutions, you might want to make use of the Oracle Fusion Applications user experience design patterns. We continue to promote and create joint partner marketing campaigns to upgrade iAS to WebLogic, please contact myself if you are interested! Critical patch updates have been also released for iAs and the whole middleware stack, please make sure that you implement them. Jürgen Kress Oracle WebLogic Partner Adoption EMEA To read the newsletter please visit http://tinyurl.com/WebLogicnewsNovember2012 (OPN Account required) To become a member of the WebLogic Partner Community please register at http://www.oracle.com/partners/goto/wls-emea ( OPN account required). If you need support with your account please contact the Oracle Partner Business Center. Blog Twitter LinkedIn Mix Forum Wiki Technorati Tags: WebLogic Community newsletter,newsletter,WebLogic,WebLogic Community,Oracle,OPN,Jürgen Kress

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• WebLogic Partner Community Newsletter November 2012

  - by JuergenKress

  Dear WebLogic partner community member Too many different product from Oracle, no idea how do they fit together? Get a copy of the Oracle catalog, an excellent overview of the Oracle middleware portfolio. If you have missed the Oracle OpenWorld WebLogic, Java and ExaLogic highlights - you can now watch our community webcast on-demand. To experience and learn more about WebLogic 12c, make sure you attend one of the upcoming WebLogic 12c bootcamps. We are continuously adding many more locations to our training road-show! If you like to suggest an additional location, Please feel free to write us @wlscommunity on twitter. The key presentations from Oracle OpenWorld 2012 are published at our WebLogic Community Workspace (WebLogic Community membership required): Exalogic X3-2 launch (.pptx) & ExaLogic references 2012 (ppt) & General Session Building and Managing a Private Oracle Java & Experiences building JavaEE based PaaS Platform Compressed presentation & Oracle Enterprise Manager 12c Cloud Control Demo (Zip) & Coherence Past Present And Future (ppt)& Coherence Web Elastic Data on WebLogic 12c (zip) & Oracle Tuxedo What’s New in 12c (.pptx) & Tuxedo Java Services(.pptx). One of the newest product in the middleware family ADF Mobile & ADF Essentials is now available. Andrejus published an article on how to implement ADF Essentials on Glassfish. When you design mobile solutions, you might want to make use of the Oracle Fusion Applications user experience design patterns. We continue to promote and create joint partner marketing campaigns to upgrade iAS to WebLogic, please contact myself if you are interested! Critical patch updates have been also released for iAs and the whole middleware stack, please make sure that you implement them. Jürgen Kress Oracle WebLogic Partner Adoption EMEA To read the newsletter please visit http://tinyurl.com/WebLogicnewsNovember2012 (OPN Account required) To become a member of the WebLogic Partner Community please register at http://www.oracle.com/partners/goto/wls-emea ( OPN account required). If you need support with your account please contact the Oracle Partner Business Center. Blog Twitter LinkedIn Mix Forum Wiki Technorati Tags: WebLogic Community newsletter,newsletter,WebLogic,WebLogic Community,Oracle,OPN,Jürgen Kress

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• Proper way to re-image Windows 7?

  - by Alec

  I had a driver completely fail on me so I have to restore my computer from a system image backup. I used an installation DVD to run the Re-Image utility on there, but after 8 hours of "preparing the image" to be restored, it began restoring to my hard drive. After 12 hours there, it was 5-8% complete. I figured I must have done something wrong or it started doing something wrong. So I installed a fresh copy of Win-7 and ran the utility from there. It's going at the same snail's pace. I still think I must be doing something incorrectly - I don't see how it could possibly take so long, I could probably manually flip the on my hard drive and be done before that utility. Am I doing this correctly or is there something else I should be doing? Edit: In case my hardware is relevant: Win 7 64 bit Core i7 8 GB Ram 640GB Internal 1TB External connected via eSATA I had approximately 400GB of data on my computer before it crashed.

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• Using PC or Mac keyboard as Bluetooth keyboard for iPad?

  - by Kevin Hakanson

  I would like to use my computer keyboard (USB) as a Bluetooth keyboard for my iPad, while I am using it with my computer. I was hoping their was an "app for that" that I could run on either Mac or Windows. I imagine how it would work: It would have to emulate a Bluetooth keyboard, and be able to pair with the iPad. Then, when you give focus to this app, it transmits keystrokes from your built-in keyboard out over the Bluetooth connection. Seems simple, but I can't seem to find anything definitive on Google. Has anybody done this? I figure this is cheaper that buying a Apple iPad Keyboard Dock or a Apple Wireless Keyboard from the Apple Store. Also, it's one less item on my desk, which gets cluttered enough with one keyboard.

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• What is the precise definition of programming paradigm?

  - by Kazark

  Wikipedia defines programming paradigm thus: a fundamental style of computer programming which is echoed in the descriptive text of the paradigms tag on this site. I find this a disappointing definition. Anyone who knows the words programming and paradigm could do about that well without knowing anything else about it. There are many styles of computer programming at many level of abstraction; within any given programming paradigm, multiple styles are possible. For example, Bob Martin says in Clean Code (13), Consider this book a description of the Object Mentor School of Clean Code. The techniques and teachings within are the way that we practice our art. We are willing to claim that if you follow these teachings, you will enjoy the benefits that we have enjoyed, and you will learn to write code that is clean and professional. But don't make the mistake of thinking that we are somehow "right" in any absolute sense. Thus Bob Martin is not claiming to have the correct style of Object-Oriented programming, even though he, if anyone, might have some claim to doing so. But even within his school of programming, we might have different styles of formatting the code (K&R, etc). There are many styles of programming at many levels. So how can we define programming paradigm rigorously, to distinguish it from other categories of programming styles? Fundamental is somewhat helpful, but not specific. How can we define the phrase in a way that will communicate more than the separate meanings of each of the two words—in other words, how can we define it in a way that will provide additional meaning for someone who speaks English but isn't familiar with a variety of paradigms?

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• connect two computers together via a rs232 serial port

  - by Richard

  Wondering if anyone knows of a solution to connect with telnet/ssh through a rs232 serial port Edit: I am looking for a way to connect to computers together via a serial port. I want to be able to view the file system of a computer through a serial port.. Is this possible? Edit: So I have successfully connected two computers together using r232 serial ports with a null modem. The instructions I have used are located here Now how do I get to the file system of the host computer?? Any ideas?

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• Why do computers get slower over time? [closed]

  - by Paperflyer

  Possible Duplicate: Why does hardware get slower with time? You probably know this: A newly bought computer is snappy and responsive and just really fast. Then you use it for a couple of months and slowly but steadily the computer gets slower. Opening programs now takes a long time, accessing files takes longer, everything just takes longer than it used to. If you wipe your hard drive and reinstall, everything is back to its original snappyness, but will deteriorate again. This always happend with any operating system I used. Worst of all Windows XP, but also with Ubuntu Linux, Fedora Linux, OSX 10.5/10.6, Windows Vista... (haven't used Win 7 long enough to confirm this) Do you know the reason for this? Or even, a cure?

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• Limited connection whenever I connect to a Wi-Fi network outside the company

  - by anderZubi

  Whenever I connect my work laptop to a wireless network outside of my company, the connection shows as Limited, and there is no internet access. I have tried several times by disabling/enabling the network adapter, restarting the computer... without success. Sometimes, after a while, without taking any action, it shows fine, and I have internet access. But can pass 2 hours before this happens. My computer is under a domain network, but I don't think that's the problem, because I can successfuly connect other computers belonging to same domain to other networks. I'm running Windows 8 Pro and my network adapter is the following: Qualcomm Atheros AR9285 Wireless Network Adapter Any idea of which is the problem and how to solve it?

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• Remote connection to dynamic public ip & private ip addresses

  - by user53864

  Many times I connected to windows computer which has static public ip address via remote desktop over wan links. I'm wondering how could I connect to the remote computer that has dynamic public ip address & private ip addresses assigned. I've 2 systems at home: xp system-------connected to internet(dynamic public ip) & allowed other users to connected to the internet on the interface. windows vista system--------enabled dhcp on the interface to access internet from xp. How could I remotely connect from my office to the 'vista system'?. If I've a router/modem at my home it may be possible to allow the ports for the system but I don't. Any tips?

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