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• Login takes very long, annoying repaints once a minute when logged in: How to troubleshoot?

  - by user946850

  I am suffering from a strange problem with my Gnome Shell in Ubuntu 12.10. The login takes very long ( 30 sec), with a blank screen. In Google Chrome and Thunderbird (and perhaps in other applications), the main window freezes and is repainted in periodic intervals of less than one minute. The freeze takes several seconds, and it seems that font and appearance of, e.g., tabs and buttons briefly changes. Attempting to enable the second monitor show an error message related to XRANDR. Everything seems to have started three days ago, after I had to force-shutdown the machine while it was hibernating due to low power. (It was hibernating for quite a while and didn't want to stop.) Silly me. I have tried the following measures, with no avail: Checked all package file md5 hashes using debsums Reinstalled all packages using a variant of dpkg --get-selection \* | xargs apt-get install -reinstall Temporarily moved configuration directories such as .gconf, .config and .gnome2 to another location Created a new user account When I choose "Ubuntu" during login, the problems disappear. I am sort of frustrated that reinstalling all packages didn't fix the issue. How to troubleshoot this Gnome Shell (?) problem, short of reinstalling the system? (Or did anyone see this kind of behavior on their machine?)

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• Launcher sometimes appears while full screen in VM (virtaulbox) - how to stop it?

  - by frumbert

  Launcher is great, and it helps me finds stuff. I have the latest release of 12. But when I'm full screen in VirtualBox running another operating system and I hit some key combination I haven't yet figured out, Laucher suddenly grabs keyboard focus. It might be alt-tab, it might be left-control x. I have physically pulled both the windows key and FN key off my laptop because they get in the way, so it's probably not the windows key. You don't know the focus has been stolen because the full screen app (VirtualBox) is still full screen and launcher is in the background. But you're busy typing into a laucher search box, not your foreground application. This is particularly annoying. In my screenshot (taken from a camera, because the built in screen capture program can't capture a screenshot containing the launcher...) the windows VM is the foreground application, but the launcher has come up and is capturing the keyboard: http://imgur.com/SrMRr I would like a foreground full screen app to stay that way. Is there a way that I can keep the launcher but only have it activate (e.g. pop out with its search box) if I physically click the button, not type some random key combination that foreground applications can get confused about? Otherwise I can do without the launcher, because doing my actual work is more involved than just launching programs.

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• Support our movement?

  - by Mirchi Sid

  | Imagine Freedom 2013 | mnearth Student Programs This is to inform you about the world’s first online student competition called imagine freedom which is conducted by mnearth corporation India .The imagine freedom will be one of the most popular student IT competition in the world .The program will be fully functioned with free and open source software and operating system like Ubuntu Linux and Linux . The Competition have a lot of other categories like web designing , software development and much more .The program coordinates will contact your schools for the selection process and giving the first steps for registration . If you are an expert in Open source free software? Then it is the time for you ! Otherwise do you know anyone who have the skills ? Then inform them about the program . The competitions will be done as a part of Mnearth Student Programs . The program schedule and the local competition information will be send after getting the applications . The competitions are categorized into three . |Categories Of Participants Animation Films Multimedia Presentation 3D Animation Web Designing Software Development Innovations Cloud Apps Games etc. . . . . . |Levels Of Participants High School Level Higher Secondary Level Collage Level University Level |High School level This levels is for the students who is students . It’s age limit is 12 - 24 years . The competitions will be started on this year for selecting the good students who have the talent . For more information Send to : [email protected] Call us on :04936312206 (india) Join with the Community on facebook : follow us on twitter : www.twitter.com/imaginatingkids www.facebook.com/imaginefreedomonce

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• Using Queries with Coherence Write-Behind Caches

  - by jpurdy

  Applications that use write-behind caching and wish to query the logical entity set have the option of querying the NamedCache itself or querying the database. In the former case, no particular restrictions exist beyond the limitations intrinsic to the Coherence query engine itself. In the latter case, queries may see partially committed transactions (e.g. with a parent-child relationship, the version of the parent may be different than the version of the child objects) and/or significant version skew (the query may see the current version of one object and a far older version of another object). This is consistent with "read committed" semantics, but the read skew may be far greater than would ever occur in a non-cached environment. As is usually the case, the application developer may choose to accept these limitations (with the hope that they are sufficiently infrequent), or they may choose to validate the reads (perhaps via a version flag on the objects). This also applies to situations where a third party application (such as a reporting tool) is querying the database. In many cases, the database may only be in a consistent state after the Coherence cluster has been halted.

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• How to fix error "To run this application, you first must install one of the following version of the .Net Framework: v2.0.50727"?

  - by Gravitas

  How do I fix the error that started popping up in a lot of applications: To run this application, you first must install one of the following version of the .Net Framework: v2.0.50727. Would you like to download an install version v2.0.50727 of the .NET framework now? Unfortunately, this is not as simple as just installing the .NET 2.0 runtime, because its already installed. If I run the recommended installers for .NET 2.0 or .NET 3.5 SP1, it exits silently. Events leading to problem: Installed SQL Server 2008 R2, which installs a toy version of Visual Studio 2008 that only deals with SQL specific projects. Uninstalled Visual Studio 2008.

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• Computer Says No: Mobile Apps Connectivity Messages

  - by ultan o'broin

  Sharing some insight into connectivity messages for mobile applications. Based on some recent ethnography done my myself, and prompted by a real business case, I would recommend a message that: In plain language, briefly and directly tells the user what is wrong and why. Something like: Cannot connect because of a network problem. Affords the user a means to retry connecting (or attempts automatically). Mobile context of use means users use anticipate interruptibility and disruption of task, so they will try again as an effective course of action. Tells the user when connection is re-established, and off they go. Saves any work already done, implicitly. (Bonus points on the ADF critical task setting scale) The following images showing my experience reading ADF-EMG Google Groups notification my (Android ICS) Samsung Galaxy S2 during a loss of WiFi give you a good idea of a suitable kind of messaging user experience for mobile apps in this kind of scenario. Inline connection lost message with Retry button Connection re-established toaster message The UX possible is dependent on device and platform features, sure, so remember to integrate with the device capability (see point 10 of this great article on mobile design by Brent White and Lynn Hnilo-Rampoldi) but taking these considerations into account is far superior to a context-free dumbed down common error message repurposed from the desktop mentality about the connection to the server being lost, so just "Click OK" or "Contact your sysadmin.".

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• Join Us!! Live Webinar: Using UPK for Testing

  - by Di Seghposs

  Create Manual Test Scripts 50% Faster with Oracle User Productivity Kit  Thursday, March 29, 2012 11:00 am – 12:00 pm ET Click here to register now for this informative webinar. Oracle UPK enhances the testing phase of the implementation lifecycle by reducing test plan creation time, improving accuracy, and providing the foundation for reusable training documentation, application simulations, and end-user performance support—all critical assets to support an enterprise application implementation. With Oracle UPK: Reduce manual test plan development time - Accelerate the testing cycle by significantly reducing the time required to create the test plan. Improve test plan accuracy - Capture test steps automatically using Oracle UPK and import those steps directly to any of these testing suites eliminating many of the errors that occur when writing manual tests. Create the foundation for reusable assets - Recorded simulations can be used for other lifecycle phases of the project, such as knowledge transfer for training and support. With its integration to Oracle Application Testing Suite, IBM Rational, and HP Quality Center, Oracle UPK allows you to deploy high-quality applications quickly and effectively by providing a consistent, repeatable process for gathering requirements, planning and scheduling tests, analyzing results, and managing  issues. Join this live webinar and learn how to decrease your time to deployment and enhance your testing plans today! 

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• What patterns book for iOS development contains this specific information? [closed]

  - by Brett Ryan

  I've read several books on iOS development and Objective-C, however what a lot of them teach is how to work with interfaces and all contain the model inside the view controller, i.e. a UITableViewController based view will simply have an NSArray as it's model. I'm interested in what the best practices are for designing the structure of an application. Specifically I'm interested in best practices for the following: How to separate a model from the view controller. I think I know how to do this by simply replacing the NSArray style example with a specific model object, however what I do not know how to do is alert the view when the model changes. For example in .NET I would solve this by conforming to INotifyPropertyChanged and databinding, and similarly with Java I would use PropertyChangeListener. How to create a service model for my domain objects. For example I want to learn the best way to create a service for a hypothetical Widget object to manage an internal DB and also services for communicating with remote endpoints. I need to learn the best ways to do this in a way that interface components can subscribe to events such as widgetUpdated. These services should be singleton classes and some how dependency injected into model/controller objects. Books I've read so far are: Programming in Objective-C (4th Edition) Beginning iOS 5 Development: Exploring the iOS SDK The iOS 5 Developer's Cookbook: Expanded Electronic Edition: Essentials and Advanced Recipes for iOS Programmers Learn Objective-C on the Mac: For OS X and iOS I've also purchased the following updated books but not yet read them. The Core iOS 6 Developer's Cookbook (4th edition Programming in Objective-C (5th Edition) I come from a Java and C# background with 15 years experience, I understand that many of the ways I would do things in these languages may not fit to the ObjC way of developing applications. Would someone be able to provide me with the book on this topic containing this specific subject matter?

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• Ubuntu 12.04 Very slow especially with Android Studio

  - by Dew

  I have an old laptop with the following specification: Memory: 485 MiB, Processor: Genuine intel CPU T2300 @ 1.66 GHz ×2, OS Type: 32 bit, Disk: 78.1 GB, I installed on it Ubuntu 12.04 LTS and I noticed that the overall system is very slow in responding. I tried to search about that in the internet and I found some articles talking about how to make Ubuntu 12.04 LTS run fast I applied all what they said including download LXDE desktop environment and then nothing different in the system response time. Then I need to develop some android applications so, I download Android Studio (Beta) 0.8.6. The problem became worse than before whenever I tried to open the Android Studio the screen is frozen for some minutes then it took time to download the projects and initialize the work space also, when I tried to move the cursor he is move very slowly. When I tried to run my first application on the AVD it took three hours and still not run yet. I delete the Android Studio and install it again several times, I was trying to solve the problem but still nothing change. Please if you have any suggestions that may help me make my laptop and Android Studio work faster I will appreciate it for you. Thank you in advance.

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• Realtime file-level mirroring from local NTFS to network drive

  - by hurfdurf

  We have some data collection machines running WinXP. After a new file is written, we would like to immediately copy the new file to network storage (a NetApp CIFS share) automagically. We need realtime or near realtime copies generated (copy upon filehandle close would be fine -- these are not long-running system logs). Two commercial applications I've found so far are MirrorFile and IBM's Tivoli CDP. Are there any reliable open source programs or simple ways to get Shadow Copy to do something similar? Bonus points if it runs as a service.

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• Mute sound from other users in Windows 7

  - by Peter Jaric

  I recently moved from Ubuntu to Windows 7 on my home PC. It has generally been a quite pleasant experience, but of course some things are not perfect. Among them is this issue: When for exampe my son is playing a game in his browser and I use fast user switching to get to my account, his sound is still playing. This is of course very annoying if I want to play some sound of my own. My options seem to be: Mute all sound (for all users) Kill his (and all other users') applications that output sound I would like this behaviour: When I log in, all sound from other users is automatically muted Is this possible? It sounds like the obvious behaviour, but some googling leads me to believe this is how Windows behaves.

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• How can I find out what .desktop file is being launched?

  - by iBelieve

  I've used click install and click register to install a click app on Ubuntu (not Ubuntu Touch). The version was 0.5.1. Now, a new version (v0.5.6) is available and I installed it using the same method. I know the new version is installed because the current directory points to 0.5.6: $ ll /opt/click.ubuntu.com/com.ubuntu.developer.mdspencer.ubuntu-tasks/ total 16 drwxr-xr-x 4 clickpkg clickpkg 4096 Oct 18 10:19 ./ drwxr-xr-x 8 clickpkg clickpkg 4096 Sep 13 21:22 ../ drwxr-xr-x 10 clickpkg clickpkg 4096 Sep 13 20:01 0.5.1/ drwxr-xr-x 10 clickpkg clickpkg 4096 Oct 18 10:19 0.5.6/ lrwxrwxrwx 1 clickpkg clickpkg 5 Oct 18 10:19 current -> 0.5.6/ However, when I launch the application from the Dash, the about page still shows v0.5.1. So my question is, how can I find out where the .desktop file that I'm launching resides so I can understand why the correct version isn't being launched? I'm also simply curious to learn where the click .desktop files live. Is there some tool that shows where a given .desktop file is, or is there a way to see the equivalent to $PATH for .desktop files? Note: this is similar to, but not a duplicate of, How to find the .desktop files for pinned applications in the Unity launcher?

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• Today's Well Connected Companies

  - by Michael Snow

  Statoil Fuel & Retail and their partner, L&T Infotech, our recent winner of the Oracle Excellence Award for Fusion Middleware Innovation in the WebCenter category is featured this month in Profit Magazine's November Issues of both print and online versions. The online version has significantly more detail about their "Connect" project Statoil Fuel & Retail is a leading Scandinavian road transport fuel retailer that operates in 8 different countries and delivers aviation fuel at 85 airports. The company produces and sells 750 different lubricant products for B2B and B2C customers. Statoil won the 2013 Oracle Excellence Award for Oracle Fusion Middleware Innovation: Oracle WebCenter based on a stellar Oracle implementation, created with implementation partner L&T Infotech, which used Oracle’s JD Edwards and Oracle Fusion Middleware to replace and consolidate 10 SAP portals into a single, integrated, personalized enterprise portal for partners, station managers, and support staff. Utilizing Oracle WebCenter Portal, Oracle WebCenter Content, Oracle Identity Management, Oracle SOA Suite, JD Edwards applications, and Oracle CRM On Demand, Statoil is now able to offer a completely redesigned portal for an easy and user-friendly web experience, delivering a fast, secure, robust, and scalable solution that will help the company remain competitive in its industry. The solution has increased Statoil Fuel & Retail’s web footprint and expanded its online business. Read the complete article for the full story of Statoil Fuel & Retail's implementation of Oracle Fusion Middleware technology.

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• cpu usage nearly 100 constantly windows xp sp3

  - by user23954

  When running some heavy applications like games or virtual box for some time.. the cpu usage is normal for some 15 mins and then suddently cpu usage increases. even after i quit the heavy apps and when i start some other apps, the cpu usage of the new opened application is also very high.. this continues until i reboot the system. There is single particular process occupy more cpu. All the processes cpu usage is little high than normal.. Any solutions?

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• How can I make my Ubuntu server accessible to the internet ?

  - by wahid

  Hi, I already installed applications to make my server web server. when I type the DHCP released ip address in the web browser, i can access it but all it says is "it works....etc". I can copy files to /var/www successfuly using WINSCP but yet, i can not see any files when I connect to it using my windows machine in the browser. Secondly , I tried to forward port on my home SMC router, it only accepts local lan ip which my ubuntu server picks up internet ip from router...what should i do ? can you help please ???? Thanks,

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• best way to record local modifications to an application's configuration files

  - by Menelaos Perdikeas

  I often install applications in Linux which don't come in package form but rather one just downloads a tarball, unpacks it, and runs the app out of the exploded folder. To adjust the application to my environment I need to modify the default configuration files, perhaps add an odd script of my own and I would like to have a way to record all these modifications automatically so I can apply them to another environment. Clearly, the modifications can not be reproduced verbatim as things like IP addresses or username need to change from system to system; still an exhaustive record to what was changed and added would be useful. My solution is to use a pattern involving git. Basically after I explode the tarball I do a git init and an initial commit and then I can save to a file the output of git diff and a cat of all files appearing as new in the git status -s. But I am sure there are more efficient ways. ???

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• Quantify value for management

  - by nivlam

  We have two different legacy systems (window services in this case) that do exactly the same thing. Both of these systems have small differences for the different applications they serve. Both of these system's core functionality lies within a shared library. Most of the time, the updates occur in the shared library and we simply deploy the updated library to both of these systems. The systems themselves rarely change. Since both of these systems do essentially the same thing, our development team would like to consolidate these two systems into a single service. What can I do to convince management to allocate time for such a task? Some of the points I've noted are: Easier maintenance Decrease testing/QA time Unfortunately, this isn't enough. They would like us to provide them with hard numbers on the amount of hours this will save in the future and how this will speed up future development. Since most of the work is done in the shared library and the systems themselves never change, it's hard for us to quantify how many hours this will save. What kind of arguments can I make to justify the extra work to consolidate these systems?

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• Stereo Mix does not work

  - by rfw

  Stereo Mix no longer seems to work on my computer -- it did once, but now I am unable to receive any sort of audio from it. When trying to record it with programs such as Audacity, it reports that there is an error opening the sound device. Additionally, I can make no changes whatsoever to Stereo Mix, such as with regards to default format, where it simply reports Format not supported by device. I am sure that Stereo Mix had definitely worked in the past, so does anyone have any idea as to why Stereo Mix would suddenly break? (I have no applications taking exclusive control of Stereo Mix)

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• Copy Ubuntu distro with all settings from one computer to a different one

  - by theFisher86

  I'd like to copy my exact setup from my computer at work to my computer at home. I'm trying to figure out how to go about doing that. So far I've figured this much out. On the source computer run dpkg --get-selections > installed-software and backup the installed-software file Backup /etc/apt/sources.list Backup /usr/share/applications/ to save all my custom Quicklists Backup /etc/fstab to save all my network mounts Backup /usr/share/themes/ to save the customization I've done to my themes I'm also going to backup my entire HOME directory. Once I get to the destination computer I'm going to first do just a fresh install of 11.10 Then I'll copy over my HOME directory, /etc/apt/sources.list, /usr/share/appications, /etc/fstab and /usr/share/themes/ Then I'm going to run dpkg --set-selections < installed-software Followed by dselect That should install all of my apps for me. I'm wondering if there's a way/need to backup dconf and gconf settings from the source computer? I guess that's my ultimate question. I'd also like any notes on anything else that might need backed up as well before I undertake this project. I hope this post is legit, I figured other people would be interested in knowing this process and I don't see any other questions that seem to really document this on here. I'd also like to further this project and have each computer routinely backup all the necessary files so that both computer are basically identical at all times. That's stage 2 though...

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• Project Server 2010 site creation - the database connection string is not available

  - by Brandon Montgomery

  I am trying to get Project Server 2010 up and running on a Win Server 2008 box. I've got Sharepoint 2010 installed and Project Server 2010 installed. I open SharePoint Central Administration, then I go to Manage Service Applications Project Server Service Application. It looks like there is a site under the "Sharepoint - 80" section, but the Status says "Failed - see the Application event Log". When I click on the site and select "Retry" I get the same thing. In the event viewer, I see an error with SharePoint Foundation Search as the Source - it reads: Could not create a database session. Context: Application '276504a6-93b1-4c1f-a900-fd6ed9d5c117' Details: The database connection string is not available. (0xc0041228) How can I fix this? Is there some configuration I missed?

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• Server OS: put it on a separate drive? Yes, no, or depends on the situation?

  - by captainentropy

  Hi, I would like opinions, or facts, both preferably, on whether it's ok to install a server's OS on the RAID array or not. I would predict installation on separate drives is the best but I'm interested in the performance. The server in question will have 8 cores (2.4GHz ea.), 24GB RAM, and ~16TB of usable space of server-class drives in RAID10. There is also a subsytem of an ~equivalent size for backup. I will be running CPU/memory intesive applications on this server in addition to it being file storage for my work (research lab). IF I install the OS (haven't decided which one, probably Ubuntu or Fedora or some other good linux distro) on separate drives will there be any performance problems if they aren't configured in RAID10? IF it is better to have the OS on separate drives should I go for 150GB velociraptors in RAID1 or smallish SSD drives in RAID1? Money is unfortunately a factor as I think I'm close to maxing my budget as it is. Thanks!

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• Cannot create persistent "open with" association for Photoshop CS4

  - by mark

  I'm trying to fix a computer from a friend, which has for some unknonwn reason installed the 64bit and 32bit version of CS4. The 64bit version does not work, the 32bit does. However it seems that the 64bit version was the first installed one, associations to the .psd files are going to the 64bit version. There seems no way to create an association with only the 32bit version. When I select open with` and I browse to the 32bit version and select open, it does not get added to the list of applications? Update: Unfortunately the problem just went away. It's annoying as the root cause is likely never to be found, I'm accepting Fopedush's answer for this "detailness".

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• Is it possible to upgrade HTC HD2 to Windows Mobile 7? [closed]

  - by Ladislav Mrnka

  I have HD2 over one year and I have to say it was pretty wrong purchase. Both HTC HW and MS OS (Windows Mobile 6.5) are somehow crappy. I had several crashes wich resulted in hard reset (no flashing and almost no additionally installed applications) and phone was under repair two times (2x replaced motherboard and 1x replaced dislay). After these reapirs at least HW works pretty well but OS is still bad. I would like to upgrade the phone to Windows Mobile 7. I'm not looking for some flashing (I already saw some guides). I'm ready to pay for upgrade to have it legal. Is it possible? Buying new phone just to have SW upgrade is ridiculous. Btw. My primary phone is iPhone 4 and I think on iPhone 3GS it is possible to upgrade OS iOS 4 so I would like to see similar possibility with Windows Mobile.

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• Recommended formats to store bitmaps in memory?

  - by Geotarget

  I'm working with general purpose image rendering, and high-performance image processing, and so I need to know how to store bitmaps in-memory. (24bpp/32bpp, compressed/raw, etc) I'm not working with 3D graphics or DirectX / OpenGL rendering and so I don't need to use graphics card compatible bitmap formats. My questions: What is the "usual" or "normal" way to store bitmaps in memory? (in C++ engines/projects?) How to store bitmaps for high-performance algorithms, such that read/write times are the fastest? (fixed array? with/without padding? 24-bpp or 32-bpp?) How to store bitmaps for applications handling a lot of bitmap data, to minimize memory usage? (JPEG? or a faster [de]compression algorithm?) Some possible methods: Use a fixed packed 24-bpp or 32-bpp int[] array and simply access pixels using pointer access, all pixels are allocated in one continuous memory chunk (could be 1-10 MB) Use a form of "sparse" data storage so each line of the bitmap is allocated separately, reusing more memory and requiring smaller contiguous memory segments Store bitmaps in its compressed form (PNG, JPG, GIF, etc) and unpack only when its needed, reducing the amount of memory used. Delete the unpacked data if its not used for 10 secs.

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• Which platform to choose from .Net or Java [closed]

  - by SahilMahajanMj

  I know that there is a lot healthy discussion about this topic. but my case is entirely different from these discussions. I have just passed out my graduation. During the graduation period, i had done C#.net and java as well. Now i am working as Android programmer in a company. In the recent times, i have heard a lot about pros and cons of these platforms. What our seniors used to suggest that, ASP.net is a lot better than JSP for website developement. .net provides us lot of in built tools and API's for building powerfull applications. Java's platform independancy has always been issue among them. Security fetures are more in java. .Net has more powerfull IDE's. Now i am a bit confused on which platform to choose from these. I found java better from two, so did i prefer to choose android. Also, the discussion always ends with an issue that java has no scope for job as far has .net does. I would like to hear suggestions on this topic, but it would be better, if you consider indian IT market for this discussion.

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