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• How do you learn a new programming language?

  - by Naveen

  I am C++ developer with some good experience on it. When I try to learn a new language ( have tried Java, C#, python, perl till now) I usually pickup a book and try to read it. But the problem with this is that these books typically start with some very basic programming concepts such as loops, operators etc and it starts to get very boring soon. Also, I feel I would get only theoeritcal knowledge without any practical knowledge on writing the code. So my question is how do you tacke these situations? do you just skip the chapters if its explaining something basic? also, do you have some standard set of programs that you will try to write in every new programming language you try to learn?

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• How do I properly use multithreading with Nvidia PhysX?

  - by xcrypt

  I'm having a multithreading problem with Nvidia PhysX. the SDK requires that you call Simulate() (starts computing new physics positions within a new thread) and FetchResults() (waits 'till the physics computations are done). Inbetween Simulate() and FetchResults() you may not "compute new physics". It is proposed (in a sample) that we create a game loop as such: Logic (you may calculate physics here and other stuff) Render + Simulate() at start of Render call and FetchResults at end of Render() call However, this has given me various little errors that stack up: since you actually render the scene that was computed in the previous iteration in the game loop. Does anyone have a solution to this?

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• What has Ubuntu contributed to the Linux Kernel?

  - by Luis Alvarado

  This question is similar to this one: What unique enhancements and features has Ubuntu brought to the Linux Community but in this case it is directed towards what has Ubuntu contributed to the official Linux Kernel. For example, many times I hear about Intel contributing to patches for the Linux Kernel like the RC6 latest patches and any other related to the recent Sandy/Ivy Bridges. In another group, Android did an upstream patch and a lot of ARM patches have also come to the Linux Kernel. I have seeing only a small percent of companies and groups that have contributed to the Linux Kernel (http://kernel.org) but I want to know, since the beginning of Ubuntu till now, what has Ubuntu contributed to the Linux Kernel in regards to any aspect of the kernel. For Kernel information I typically go to http://kernelnewbies.org and http://kernel.org

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• Working on a virtual machine as a developer

  - by Johnny000

  In the company I'm currently working in, they decided that each developer will move to a VM desktop (Citrix/WinServer2012) an develop/test from there with restricted/no rights to install new software. The Server we will be working on are in a remote Datacenter. So i.e. if for some reason or another the internet brake down, we can't work till the connection is up again. As a developer I don't want to use windows as OS for my working/development environment as there is no need because we don't develop OS specific software. What good points could I raise in an argumentation against moving to the VMs beside the loss/restriction of freedom and the loss of connection to the internet?

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• Edit menu permission issue

  - by user3541568

  i'm an Lubuntu user, but i suppose it concerns everyone. For menu editing there are 3 GUIs: lxmed, menulibre, alacarte. great! Still the ISSUE is that if i start as administrator, for example: gram@gram-pc:~$ alacarte will edit menu, till the time i close app. it doesn't have permission for that... so nothing in menu has been changed... gram@gram-pc:~$ gksudo alacarte or root@gram-pc:/# alacarte will open completely different menu with completely different items... how can i grand permission to edit my-not-root-menu?

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• Cannot see shared folder in /mnt/hgfs

  - by blasto

  I am trying to share a folder between Lubuntu 13.04 (in VMware player) and Windows 7 64 bit. I followed a tutorial till step 16. I typed a command and saw nothing. I also went into the /mnt/hgfs folder and saw nothing there. How do I fix this ? http://theholmesoffice.com/how-to-share-folders-between-windows-and-ubuntu-using-vmware-player/ Command - dir /mnt/hgfs EXTRAS - By the way, this is how I actually reached step 16. Step 12 - sudo apt-get install hgfsclient Step 14 - If it does not work, then follow this tutorial - http://www.liberiangeek.net/2013/03/how-to-quickly-install-vmware-tools-in-ubuntu-13-04-raring-ringtail/ Step 16 - STUCK !!!

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• Color indication in Visual Studio 2012

  - by Jalpesh P. Vadgama

  This post will be a part of Visual Studio 2012 series. Before some days Microsoft has released the release candidate version of Visual Studio 2012. Today I got installed Visual Studio 2012 and once I loaded the visual studio 2012 first things I noticed that there is purple color blank strip is there at bottom. After doing some R and D on internet I have found that it is used for the different indication. The purple color indicates that there is no project loaded now. Once you open the project this line will be of blue color like below. Once you run and F5 and debug it, the color will change to orange like below . Isn’t that great? A simple color indicator for each mode in visual studio 2012. Stay tuned for the more. I am going to put some more post about Visual Studio 2012. Till then happy programing

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• Best tool to recover removed files

  - by plua

  Using Ubuntu 10.10, I have a startup script that automatically removes my 'working directory'. This is a simple folder on my Desktop where I place a bunch of files that I use throughout the day. These are temporary files I need to store just for that one session. In order to keep things clean, my startup script does: rm -rf /home/user/Desktop/workdir mkdir /home/user/Desktop/workdir Works great. Till the moment I had some important files there and forgot to move them before shutting down. A few (2-3) sessions ago this happened and I now realize I need to recover the "workdir" directory. But several new ones have been created and removed in the meantime. What is the best way to recover this - if possible? I read about tools like scalpel but it seems they will scan my whole HD. I know the name of the folder and would like to just look for this workdir folder. What is best?

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• What impact would a young developer in a consultancy struggling on a project have?

  - by blade3

  I am a youngish developer (working for 3 yrs). I took a job 3 months ago as an IT consultant (for the first time, I'm a consultant). In my first project, all went will till the later stages where I ran into problems with Windows/WMI (lack of documentation etc). As important as it is to not leave surprises for the client, this did happen. I was supposed to go back to finish the project about a month and a half ago, after getting a date scheduled, but this did not happen either. The project (code) was slightly rushed too and went through QA (no idea what the results are). My probation review is in a few weeks time, and I was wondering, what sort of impact would this have? My manager hasn't mentioned this project to me and apart from this, everything's been ok and he has even said, at the beginning, if you are tight on time just ask for more, so he has been accomodating (At this time, I was doing well, the problems came later).

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• F# &ndash; It&rsquo;s time to grow up baby.

  - by MarkPearl

  In the last few months since I started learning F# I have begin to notice an increase in the number of people blogging about the language. Sure, it could just be that I am noticing it more because I am actively looking out for questions and blog posts, but even in my day to day reading of Code Project Daily News and Stack Overflow questions there seems to be increased activity around the language. So what sparked this post? Well, today today I logged in and saw that the latest podcast by DNR was on F# and then immediately afterwards I received an email from CodeProject with a great article comparing F# and Scala. Currently, as of this blog posting (21 May 2010) F# is ranked on the tiobe site at position 43, but I am willing to put money on it that in the next few tiobe ratings this ranking will continue to rise till F# will be a top 20.

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• ethernet doesn't work

  - by Grig Tanasescu

  I know that it may look pretty stupid, but that's it. I have a ethernet connection with my mom's computer, and is her's who's the source or anyway it is called. I'm new at linux, but i had before linux mint 13 and the ethernet didn't work 'till a friend went to network settings-options he clicked "add" somewhere and and introduced some numbers, after he looked somewhere in my mom's computer. I've tried neither linux nor ethernet until now. Please help and sorry for my english. P.S. I'm just 13 and I don't know much about computers so, please, talk to me as you would with a completely idiot. Thanks

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• Can I get enough experience to get an industry job just by reading books?

  - by MahanGM

  I've been recently working with DirectX and getting familiar with game engines, sub-systems and have done game development for the last 5 years. I have a real question for those whom have worked in larger game making companies before. How is it possible to get to into these big game creators such as Ubisoft, Infinity Ward or EA. I'm not a beginner in my field and I'm going to produce a real nice 2D platform with my team this year, which is the result of 5 years 2D game creation experience. I'm working with prepared engines such as Unity3D or Game Maker software and using .Net with C# to write many tools for our production and proceeding in my way but never had a real engine programming experience 'till now. I'm now reading good books around this topic but I wanted to know: Is it possible to become an employee in big game company by just reading books? I mean beside having an active mind and new ideas and being a solution solver.

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• How to edit Synaptics Touchpad values in Ubuntu 12.04? No xorg.conf file!

  - by Dave

  After I installed Ubuntu 12.04 got some issues with my touchpad. I reported the problem and finally today a guy replied here - https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-input-synaptics/+bug/992330 It seems that the solution was good because I edited HorizHysteresis and VertHysteresis using synclient: synclient VertHysteresis=48 and synclient HorizHysteresis=48 To see if they were really edited I run into terminal synclient and just seen there the values I added. Everything is running perfectly till now. But after I restarted Ubuntu the values are gone and rolled back to default. A guy told me to edit the xorg.conf file but there is no xorg.conf file in etc/X11. Thanks and hope someone can give me a good solution.

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• Empathy 3.6.0 requires reauthorisation to Windows Live on every reboot

  - by Allu2

  I've been testing Ubuntu 12.10 beta2 and the only problem I've faced has been that with Windows Live Messenger(a.k.a MSN) After I have added Windows Live in the online-accounts in system settings, empathy works fine and connects to Windows Live Messenger with no problems until I reboot my system. After rebooting and logging in, when empathy connects to services it shows me message "Windows Live account requires authorisation" next to it is a button that takes me back to online-accounts where i can see the authorized Windows Live. So far the only way to get MSN work again has been to remove the Windows Live authorisation and add it again, which makes it work till the next time i close my computer. How could i make empathy to remember the authorisation to Windows Live

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• Clarification of "avoid if-else" advice [duplicate]

  - by deviDave

  This question already has an answer here: Elegant ways to handle if(if else) else 21 answers The experts in clean code advise not to use if/else since it's creating an unreadable code. They suggest rather using IF and not to wait till the end of a method without real need. Now, this if/else advice confuses me. Do they say that I should not use if/else at all (!) or to avoid if/else nesting? Also, if they refer to the nesting of if/else, should I not do even a single nesting or I should limit it to max 2 nestings (as some recommends)? When I say single nesting, I mean this: if (...) { if (...) { } else { } } else { } EDIT Also tools like Resharper will suggest reformatting if/else statements. It usually concerts them to if stand-alone statement, and sometimes even to ternary expression.

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• Win a free ticket + hotel for the umbraco Codegarden &lsquo;10

  The Umbraco CodeGarder 10 is less than 2 months away, starting on June 23rd till June 25th, and thanks to the awesome Niels Hartvig, founder of Umbraco, Im giving away an interesting package. The prize The winner will receive a more then 1000 worth prize, consisting in: One ticket for the full 3 days of the umbraco Codegarden conference 4 nights (22nd to 25th of June) in the same hotel where all the cool guys (core team, umbraco MVP, speakers) are staying: Hotel Kong Arthur The rules I...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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• In dual boot PC, the boot/GRUB menu suddenly disappeared (Ubuntu option is not appearing anymore)

  - by iammilind

  I have been using Ubuntu 13.04 as my primary OS for quite sometime on Sony VAIO laptop with other OS being windows 8 (never use it). Till today, everything was fine. In the evening I had shut down my PC and closed the lid; Typically I do this when the shutting down screen is still on. But probably this time it was fatal. When I again restarted my PC, now no menu is appearing for selecting OS and it directly goes for Windows 8. My question is similar to this thread, but I don't have Ubuntu CD as I had installed using pen drive sometime back. Is there any (genuine or workaround) easier way to get back the GRUB menu back in the place? Note that keyboard shortcuts in Sony VAIO is different, here I have an "Assist" menu as well to get those internal options.

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• What is the intention behind asking weight of plane?

  - by AKS

  I was asked this question "How would you find weight of Aeroplane" in an interview and I am not sure why this question was one of the two question asked in the interview. I tried to answer it using all possible ways but could not give the correct answer.(found the correct answer after google search) How much such questions decide your selection in the interview? Here was my approach: 1. If measurement of plane is given then i will calculate volume and multiply by density, will consider fuel weight plus other dead weight. 2. Using water displacement method if i can put plane in water and somehow measure how much water is displaced. But found using google search that right approach was to put place on a ship and mark the level of water on the hull, then remove plane and then ship will go up. And start putting weight on the ship till marked hull reaches the water level.

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• Be careful when Git suppresses bin Folders

  - by Marko Apfel

  Initial situation Often for Visual Studio projects the typical content of a .gitignore file contains this line bin or [B|b]in It is used to avoid that Git tries to track compile outputs as repository relevant data. Problem But keep in mind: this will also suppress bin folders of additional stuff like frameworks and toolsets. For instance Microsoft.SDKs contains a folder named Bin with a lot of programs Simian contains a folder named bin with the program themselves If you store such artifacts also in the repository - according to the principle of a “self containing project” – you could lost the content in the bin folder! Solution Till yet I don’t have a good idea. So I verify for each new added toolset or framework whether it has or has not such a bin folder. If it has, then I must add this bin folder manually to the repository so that Git track it.

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• How to partition my hard drive for Ubuntu use?

  - by Damir

  Till now I was windows user. From now on I want to use only Linux. I have 500Gb HDD. How do I partition it properly? I read that there is no right or wrong way, but still, I am confused. I did something and I have primary partition mounted on / (160Gb) which I believe is a OS and 350Gb extended partition of which I have 4Gb of swap and 346Gb mounted on /home. I got used to C:\ and D:\ partitioning, but I don't see file system in that way. I am lost. Where is what? How can I make C:\ partition for OS and D:\ for apps, movies, music, photos. Or what I want is Windows way and I have to get used to Linux way?

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• How can I configure updates in a CMS like WordPress?

  - by Varsha

  I have a CMS built in core PHP. Till now, if a new version is released, it is downloaded to client machine in zipped form. And then client has to manually unzip the folder and copy that to required location. Because there is no way to download zip file to required location. I want that CMS should be updated in the background like-WordPress. In other words, I want that new version can replace old version. How can I do this?

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• how to find available wireless networks

  - by Quinn

  I'm using an HP Pavilion dv6000 I've looked at other answers similar to this question how ever when I look at my network symbol it doesn't say anything that the answer below says "Make sure that your wifi hardware switch is on or not. It is either F2 or F12 or near to it. Once the switch is enabled, there is a small fan-like applet on the top panel (Gnome Network Manager), fourth from the right. Click on it and if there is no tick mark on the option 'Enable Wireless', enable it. Wait till your wifi connection name appears." it how says 'Enable Networking' my wi-fi switch is on and I've tried using terminal to kill the applet as another answer suggests trying. Does anyone have any other ideas that might help? Just in case anybodies curious as to how I'm posting this I'm on my other ubuntu laptop that's running an older version.

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• Is it a good idea to appoint one of the scrum team member or scrum master as Product Owner?

  - by Sandy

  Lately we had a project, in which client was busy touring. As usual scrum team was formed, management decided to appoint our analyst as Product owner since Client won’t be able to participate actively. Analyst was the one who worked closely with client for requirement analysis and specification drafting. Client doesn’t have the time to review first two releases. Everything went smoothly until, client saw third release; he wasn’t satisfied with some functionalities, and those was introduced by make shift Product Owner (our analyst). We were told to wait till design team finished mock-up of all pages and client checked each one and approved to continue working. Scrum team is there, but no sprints – we finished work almost like classic waterfall method. Is it a good idea to appoint scrum team member or master as product owner? Do we need to follow scrum in the absence of client/product owner participation?

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• Rendering output to arbitary quadrilateral

  - by Trainee4Life

  I want to render output on a device to an arbitary quadirlateral, i.e. project texture on to a quad. What are the possible ways I could implement it? Till now, I have investigated: Drawing textured quadrilateral - Quads look odd as they are composed of triangles, and the distortion looks odd. The issue I'm facing has been discussed here and here as well. Setting transformation on device - Need help in getting this implemented. Pixel shaders - Not able to implement the desired effect. Any help would be much appreciated.

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• Precise pangolin won't install

  - by Percival Júnior

  I've been an ubuntu user since first release but now I can't install precise beta 2 32bits and neither 64. Tried so many times, already download nighly isos but nothing. 11.10 installs smoothly (usint it). My hardware is a samsung notebook 4gb of ram.., 25 gb partition for precise. I'm gonna tell you what actually happens... I boot from usb driver and I choose my language (portuguese - brazilian) choose partition till there everything is normal. But when I Put my name user and password and give NEXT the screen to choose my region appears a click Next again and at this point I get STUCK !!! NOTHING HAPPENS. I've waited for hours and all the system freezes. When I try to reboot,, my grub is gone. Thanks for the help.

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