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• Deals Well With Ambiguity

  A while ago I was talking with my manager at the time about traits that we value in a Program Manager. He related an anecdote about an interview he gave where it became clear that the candidate did not deal well with ambiguity. This is an important trait for nearly every job, but especially for PMs as projects can often change on a dime and its important understand how to make progress amidst ambiguity and eventually drive towards resolving ambiguity. Lately, Ive been asking myself the question,...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Cannot boot: "No init found. Try passing init=bootarg"

  - by glutz

  After losing power, my machine rebooted to this error: “error: no init found. Try passing init=bootarg” Per similar threads on this site and others, I've tried booting from a CD and selecting "Try Ubuntu". Then open a terminal and typing: sudo fsck-y /dev/sda1. The response is: Device or resource busy while trying to open /dev/sda1. Filesystem mounted or opened exclusively by another program? This is on Ubuntu 10.10. Any ideas on what I can try next?

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• Fix Uninstall Issues with Visual Studio Versions

  Have you ever installed a BETA or CTP or an RC build of some Microsoft product such as Visual Studio, and then been faced with the unhappy situation that it could not find the installation sources when you attempted to uninstall the product, or it just didnt uninstall cleanly leaving traces of Registry entries that prevented you from installing a later version?Its certainly happened to me several times. But today I ran into a program called Perfect Uninstaller that, for $35, turned out to be one...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Should we use python 2.6 or 2.7 or 3.x?

  - by lamwaiman1988

  The version of python which I am using is 2.6, and there is a 2.7 and 3.x. Usually I use python for some trivial program/snippet. I realize there are some major difference between 2.x and 3.x. I would really like to know, if I am going to make a bigger project with python, which version of python should I use? Should I upgrade to 2.7, or go to 3.x or stay with 2.6? The decision should be based on these terms: Number of user in the internet as a community. More users mean more open-source package and help from them. Functionality. Support from official development team. Compatibility for existing module/package. Thanks!

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• Ask the Readers: How Do You Stay Productive Working from Home?

  - by Jason Fitzpatrick

  Roughly 20% of the global workforce telecommutes on a permanent or part-time basis; if you’re one of the many laptop-toting and home-office working telecommuters we want to hear all about how you stay productive outside the walls of a traditional office. Whether you have a dedicated home office or an attache that unfolds into a mobile workstation, we want to hear your tips, tricks, and productivity-focusing methods for getting things done when you’re working from home. Sound off in the comments with your tips and then check back in on Friday for the What You Said Roundup. How To Use USB Drives With the Nexus 7 and Other Android Devices Why Does 64-Bit Windows Need a Separate “Program Files (x86)” Folder? Why Your Android Phone Isn’t Getting Operating System Updates and What You Can Do About It

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• Cocos2D Terminal Application

  - by Hasyimi Bahrudin

  Is it possible to create a terminal application which uses cocos2d? I've tried to make one using cocos2d 2.x, but it requires a MacGLView to be initialized. I need it so that I could program a terminal application that generates a screenshot given a TMX file and an optional preferred width or height parameter (for resizing). Then I can automate the generation of map previews for my game, instead of manually taking screenshots. It's not practical to load the actual TMX and resize it inside the game (what I'm currently doing), because each TMX file has 7 layers, my tile sheet is huge, and I have lots of levels.

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• GPU optimization question: pre-computed or procedural?

  - by Jay

  Good morning, I'm learning shader program and need some general direction. I want to add noise to my laser beam (like this). Which is the best way to handle it? I could pre-compute an image and pass it to the shader. I could then use the image to change the opacity and easily animate the smoke by changing the offset of the texture lookup. I could also generate noise in the shader and do the same thing the texture was used for. Is it generally better to avoid I/O to the graphics card or the opposite? Thanks!

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• New IDE Features in Visual Studio 2010 for C# Developers

  After a quick review of C# language features, lets do the same for the IDE improvements. So, whats in there for C# developers? Generate From Usage This feature greatly improves Visual Studio support for test-driven development (TDD). However, it is useful even if you dont use TDD at all. It might increase your productivity by simply reducing the number of keystrokes and eliminating repetitive typing. For example, now I can write code like this: class Program{    static void...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• What do Embedded Software Developers do on a day to day basis?

  - by afree100

  Edit: I am not asking how to program embedded systems. I am asking how it is done in a practical business setting. I have searched for hours for information on what software developers actually do. More specifically, what coding challenges would one experience daily (e.g. code examples (although obviously not too large), specifics)? I am interested in Linux based embedded systems mainly, but any software development would be helpful (in the C/C++/Assembly areas). Also, regarding this, a distinction between junior, intermediate and senior developers would be helpful. Also, what is the best place to prepare for such things before getting a job for the first time?

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• What is the preferred/recommend way of running two version of ubuntu side by side

  - by GreyGeek

  I am running 14.04, but I need to run some corporate software/scripts that have been specifically designed for 12.04. I am aware of virtual box/vmware for full virtualization but I am looking for something more lightweight (on my windows machine both come at a significant cost in battery life) closer to os virtualization level. Ideally, I would like something like windows 7/8 compatibility mode: the ability to run a program as if I were on 12.04. Does Ubuntu/Linux have such mechanism? What is the preferred way of running programs/scripts designed for an older version of Ubuntu?

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• How do I recover my accidentally lost Windows partitions after installing Ubuntu?

  - by Totally newbie

  I have a Toshiba satellite A-200 laptop with a Vista OS on it with 4 NTFS partitions (C:) Vista (D:) Entertainment (E:) Work (F:) Sources and I wanted to start using Ubuntu instead. So I tried it first from the live CD and everything was OK and all the partitions were shown and working and so I decided to install Ubuntu to replace Vista on the (C:) drive. After I did that I can no longer find my folders and files on the (D:), (E:), (F:) partitions and the only file system that is shown is one 198 GB although my HDD is 320 GB. I can't access the lost data on the remaining 120 GB which I hope is still there and not totally lost I am now working from the live CD but I am unable to install testdisk. Can I recover the Vista partitions by the product recovery CD to get my laptop back to the factory settings? Can I recover the NTFS partitions using a recovery program for Windows or will that make the problem worse? I need these data badly as I don't have a backup for them.

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• GPL exception that allows linking to free licenses only?

  - by fNek

  There is the GPL license and the linking exception which allows closed-source programs to use the program as a library. There is also the slightly more restrictive LGPL (more restrictive than GPL with exception since it requires that the user can change the library in the resulting project, etc.). And there is the Cygwin exception that allows linking to open source programs. I see clear advantages: Open-Source programs may use the library. People may use these programs for closed-source programs, but then they lose the permission to use the (GPL) library. However, there are two things I don't like about the Cygwin exception: - Its legal status is disputed - I keep hearing that it is basically worthless - It requires certification by the OSI, I would rather have certification by FSF Is there an exception to the GNU General Public License that meets my requirements?

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• Upgrading kubuntu to version 12.10 stops

  - by simendsjo

  It's on the step "Installing the upgrades", says it's "Configuring virtuoso-opensource-6.1", and the last line in the log is "Unpacking linux-headers-3.5.0-17 (from .../linux-headers-3.5.0-17_3.5.0-17.28_all.deb) ..." .. And the application just sits there doing nothing. Trying to abort now says "The system could be in an unstable state if you cancel the upgrade", so I'd rather not do that :/ Any idea how I can kick the upgrade into gear again? EDIT: I closed the program, ran dpkg -configure (which failed). Booted ran configure again, some configuration, and things are up and running again. I'm leaving this open as I have no idea what the root cause was.

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• Multithreaded game fails on SwapBuffers in render thread at exit

  - by user782220

  The render loop and windows message loop run on separate threads. The way the program exits is that after PostQuitMessage is called in WM_DESTROY the message loop thread signals the render loop thread to exit. As far as I can tell before the render loop thread can even process the signal it tries SwapBuffers and that fails. My question, is there something about how Windows processes WM_DESTROY and WM_QUIT, in maybe DefWindowProc that causes various objects associated with rendering to go away even though I haven't explicitly deleted anything? And that would explain why the rendering thread is making bad calls at exit?

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• How to retrieve certificate from my store personal? [closed]

  - by shariphwar

  I want to use the following code by java program. How to convert the following C# code to java code or how to write just like this code by java programming language? Access certificate by C# X509Store store = null; X509Certificate2Collection _recipients = null; // select the right store //if (lstRecipients.Text=="Personal") store = new X509Store(StoreName.My, StoreLocation.CurrentUser); // else // store = new X509Store(StoreName.AddressBook, StoreLocation.CurrentUser); // open store and show certificate picker store.Open(OpenFlags.ReadOnly); X509Certificate2Collection tempCollection = X509Certificate2UI.SelectFromCollection(store.Certificates, "Crypter", "Select a Certificate for Encryption", X509SelectionFlag.MultiSelection); store.Close();

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• What should be learned for someone starting in Android Games?

  - by user14544

  I know this might be a little subjective. But I've read the other questions. A lot of answers kept on popping up like to use box2d, libgdx, andEngine, etc. So the real question is, what would be the best to start off with as a beginner. I have some experience with java code, just by reading about in the Oracle Docs. I've gone through Flash and Eclipse. When i mean gone through, i don't mean i have actually created my own game from Flash or Eclipse, but i just learn things here and there. Currently I'm reading Beginning Android for Beginners but I don't have the knowledge to implement my own Ideas into the game tutorials because of lack of experience. I'm looking for a way to learn how to program to create games for Android. While at the same time get experience from programming. I do not want to learn those drag and drop game making applications such as GameMaker.

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• Does Turing-complete implies possibility of malware? [closed]

  - by Mathematician82

  Is it possible to build an operating system that contains some Turing complete compiler (language?) but is unable to run any malware? Or is there any definition for a malware? This question popped on my mind as I was wondering why Windows has more malware than Linux. If Linux contains a C programming language and its compiler, I think it is possible to write a Linux program that works similarly than Windows viruses. But there are less malware for Linux than for Windows although there is a Wine for Linux to simulate Windows programs.

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• Adopt a Java EE 7 JSR!

  - by reza_rahman

  Broad community participation is key to the success of any technology worth it's salt. The Adopt-a-JSR program was launched in recognition of this fact. It is an initiative by some key JUG leaders around the World to encourage JUG members to get involved in a JSR and to evangelize that JSR to their JUG and the wider Java community, in order to increase grass roots participation. There are a number of JUGs that have already jumped in like the Chennai JUG, SouJava, London Java Community, BeJUG, GoJava, Morrocco JUG, Campinas JUG and ItpJava. Note that any developer can participate, there isn't a need to be a JUG leader. There are a number of Java EE 7 JSRs that could use your help right now including WebSocket, JSON, Caching, Concurrency for EE, JAX-RS2 and JMS2. Find out more here.

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• How to install nvidia optimus driver on ubuntu 12.10?

  - by Adam

  I have followed http://ubuntuportal.com/2012/01/bumblebee-3-0-tumblewed-nvidia-optimus-gpu-switching-for-linux-has-been-released-how-to-install-bumblebee-3-0-on-ubuntu.html this guide to install nvidia driver on my Dell Inspiron N5110 notebook (Intel HD Graphics 3000 + NVIDIA GeForce GT525M), but i always get some error while i want to start any program with the optirun command. Terminal says: adam@Adam-LT:~$ optirun firefox [ 1482.559417] [ERROR]Cannot access secondary GPU - error: Could not load GPU driver [ 1482.559517] [ERROR]Aborting because fallback start is disabled. My laptop cooler always cools the laptop, which means that nvidia card is consuming power in the background. (Terminal sometimes says something daemon-server is not running.) Can you give me some solution for this?

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• Can I set command line executed games to open in a window instead of fullscreen?

  - by ajwhitaker822

  I really enjoy some of the free Linux games and just downloaded Cave Story, one of my all-time favorites. However, I can only play the game in full screen, 800X600 Resolution. I was wondering if I could run this program in a window instead of full screen. Is there a command or Unity plugin to do this? Also, would the same work to run SuperTux in a window as well? I'm running 12.04 if that makes any difference. Thanks for your help.

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• Programming Language for RF scanner [closed]

  - by Sid

  I am a Software Developer mostly on Windows System. I have been tasked to create an App Program for an RF Barcode Scanner. Which I don't have any experience in this kind of software. I am open to learn new Programming Languages to develop the software for this barcode scanner. From which I see on our meeting. It uses Windows or Windows Mobile as OS. Can someone direct me to a tut site or just tell me what language I should use? Requirements is mostly, Log In, UI Entry of Details + Barcode, Process Button. Connection To SQL Server via Wifi Access Point to call the procedure afterwards. I am not developing a Barcode scanner, I am developing a UI Software like a Mobile App. I tried to google but I dont know what exact keywords I should search for. My question is, what PL is mostly used to develop this kind of softwares.

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• Is it possible to grant access to a folder in a SVN server using SVN's API?

  - by Splendonia

  I need to develop a web application (Using any language but I'm familiar with Frameworks Symfony2 and Rails), that is able to grant access to a user to a determined folder on another server on the same network from the application's front-end. I found out that SVN has an API and that I could interact with it with PHP or Ruby (Apparently), although I would be willing to program the application on another language, the server where the files are stored is using Windows and I thought on using Virtual SVN server, however I can't find any function on the API to grant users access to files and/or folders or access of any kind, like you usually do using the GUI (VirtualSVN on Windows). Am I missing anything? Is this even possible?

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• optirun fails in Ubuntu 12.10

  - by chiloxsan

  I am trying to use Nvidia Optimus on my laptop by using Bumblebee, I have an Intel Core i5 with an Nvidia Geforce GT 630M. I have followed the instructions on the wiki page at https://wiki.ubuntu.com/Bumblebee, but when trying to run optirun with Firefox (or any other program, like glxspheres), I get the following error: [ 1921.452820] [ERROR]Cannot access secondary GPU - error: Could not load GPU driver [ 1921.452905] [ERROR]Aborting because fallback start is disabled. I have tried googling the issue but I couldn't find any solution that didn't cause more problems. Thank you for your time. Here is my bumblebee.conf: http://paste.ubuntu.com/1333324/

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• how do i delete an icon from the desktop but keep it on the luncher?

  - by user210383

  how do i delete an icon from the desktop but keep it on the luncher? i installed steam and the program created two icons one in the luncher and one on the desktop. when i try to delete the one on the desktop the other one is also deleted. i only want to keep the one on the luncher. also the version is 12.04. i am a fist time user of Ubuntu and it seems confusing some times. if you can help thank you in advance.

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• Problems while installing Ubuntu 12.04 64 & 32 bits from LiveCd

  - by user76104

  I am trying to install Ubuntu on my new pc but I am encountering problems. When I boot from the installation CD, everything runs fine until the "window" when the user has to decide to Try Ubuntu or Install it in the machine. Well that "window" appears in blank, and my mouse and keyboard behaves really slow. I can't do anything , so i have to shut it down by pressing power button. The specification of my pc are this Motherboard: Gigabyte ex58 ud7 CPU: i7 950 HD: Western digital caviar black Int. memory: 6gb memory corsair Graphics: evga gtx580 I really need to install Ubuntu or another Linux distribution, i am using de seismic Unix program {Edit : Guess it is this} on my laptop. I hope someone can help me.

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