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• Does the D programming language have a future?

  - by user32756

  I stumbled several times over D and really asked myself why it isn't more popular. D is a systems programming language. Its focus is on combining the power and high performance of C and C++ with the programmer productivity of modern languages like Ruby and Python. Special attention is given to the needs of quality assurance, documentation, management, portability and reliability. Do you think it has got a future? I really would like to try it but somehow the thought that I'm the only person on earth programming D discourages me to try it.

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• Battery Power when running Ubuntu 14.04 LTS in dual boot

  - by Amro A.

  This is only a general question in order for me to get a better idea of my dual boot (windows 8 & Ubuntu) systems. I noticed that every time I run Ubuntu (which is becoming more often) the battery power gets consumed really fast. I am not performing any special tasks at the moment, just getting to know the system, for example, sound settings, watching videos, surfing the net and so on. When I do the same thing in Windows 8 the battery lives a considerable amount of time longer. Is this something to do with Ubuntu or is it because of the dual boot that I have going on? In other words, if I start running Ubuntu all by itself on my laptop, will it be more power consuming than Windows 8?

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• how to have 'find' not return the current directory

  - by Pinpin

  I'm currently trying to find (and copy) all files and folder structure matching a specific pattern, in a specified directory and I'm so nearly there! Specifically, I want to recursively copy all folders not begining with a '_' character from a specified path. find /source/path/with/directories -maxdepth 1 -type d ! -name _\* -exec cp -R {} /destination/path \; In the /source/path/with/directories/ path are machine-specific directories beginning with '_' and others, and I'm only interested in copying the others. For a reason beyond me, the find command returns the /source/path/with/directories/ directory, and therefore copies its content, directories begining with '_' included. Anyone have a hint as to why that is? Thanks, Pascal

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• Consistency vs. Usability?

  - by dsimcha

  When designing an API, consistency often aids usability. However, sometimes they conflict where an extra API feature can be added to streamline a common case. It seems like there's somewhat of a divide over what to do here. Some designs (the Java standard library come to mind) favor consistency even if it makes common cases more verbose. Others (the Python standard library comes to mind) favor usability even if it means treating the common case as "special" to make it easier. What is your opinion on how consistency and usability should be balanced?

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• What should I think about when switching from Python to Java?

  - by Nick Rosencrantz

  I was a Java developer in the early 2000s, switched to Python in 2008 and now Iäm working in Java again. Is there anything special you think I should keep in mind when going back to a Java environment? I used to work with EJB 1.0, I didn't work with EJB 2.0 and now we have JPA instead. I'm comfortable programming in Java and my new job with Java is much better than my Python job even though Python is my favorite language the tools and others things about my Java job makes it much better. I found when I searched jobs that demand for Java developer was much greater than demand for Python programmers- do you have a similar experience? Thank you

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• username mapped to a different account

  - by Ubuntuser

  I had 4 accounts on UBuntu 11.10. The /home folder is in a separate partition. Now, after I reinstalled Ubuntu 12.04 beta 2, I manually created the remaining 3 usernames so that it can use the existing home locations. However, after creating the users i found that the usernames have got mapped to the other home folders. For example user A got mapped to home folder of user B User B got mapped to home folder of user C User C got mapped to home folder of user A How do I change this so that the users get mapped to their correct account.

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• Tampa Code Camp - October 13, 2012

  - by Nikita Polyakov

  I am pleased to announce Tampa Code Camp 2012 is being co-hosted with Bar Camp Tampa Bay this year in Tampa, FL on October 13th 2012 at USF Main Campus beautiful Business buildings.“CodeCamp is a FREE one-day meeting forum that allows software developers to share their knowledge and experience with Microsoft products and services. It’s similar to Tech-Ed, but community-driven by a group of dedicated volunteers and speakers while financially supported through generous sponsors and local businesses.”As one of the organizers, I will not be speaking, but instead helping MC the Component Vendor ShowDown - a special track dedicated to battling out the best components organized by focus application rather then firm. Check out the ShowDown track in the Agenda.WHEN: Saturday, October 13, 2012, 730AM – 545 PMWHERE: USF - Tampa Campus, 4202 East Fowler Avenue, Tampa, FL 33620REGISTRATION: http://www.tampacodecamp.comCOST: FREE

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• Removing CrossOver Games from Unity Start panel

  - by Cássio Amary

  I'm new to Ubuntu and recently installed CrossOver Games Trial on Ubuntu 12.04, didn't like it, tried to uninstall it but simply refused to go away , so I just went on and deleted the folders in the File System. Problem is that now there are 4 icons left on the Unity Start Panel under "installed applications", and I don´t know how to remove it. Actually, could anyone tell me how to delete any shortcut that is created on the Start Panel? Is there a way to do it? Thank you very much!

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• JAX Innovation Awards 2011

  - by Tori Wieldt

  The JAX Innovation Awards were presented tonight at the JAX Conference in San Jose, California, to reward those technologies, companies, organizations and individuals that make outstanding contributions to Java. The winners were:     •    Most Innovative Java Technology - JRebel    •    Most Innovative Java Company - Red Hat    •    Top Java Community Ambassador - Martin Odersky    •    Special Jury Award - Brian GoetzIn addition to being acknowledged best-in-class by peers from the Java community, winners received $2500 each. The JAXConf team took nominations from the community, had them reviewed by a panel of independent experts to create a shortlist, which was then voted on by the Java community."The java culture inspires innovation" said Sebastian Meyen, JAX Conference Chair, "and we are happy to reward that."  

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• How is Basic Physics applied in CS/SE?

  - by Wulf

  What basic physics principles do software engineers and/or computer scientists use to help solve specific or common problems? The first one that came to my head was creating a Physics engine for a game; physics is involved, as it requires knowledge of: Forces and Motion: Kinematics, Dynamics, Circular Motion However, I need another example, but haven't come across one that involves basic physics. Please consider the following basic physics (grade 12 level) concepts: Energy and Momentum: Work and Energy, Momentum and Collisions, Gravitational and Celestial Mechanics Electric, Gravitational & Magnetic Field: Electric Charges and Electric Field, Magnetic Fields and Electomagnetism The Wave Nature of Light: Waves and Light, Wave Effects of Light Matter-Energy Interface: Einstein’s Special Theory of Relativity, Waves, Photons and Matter, Radioactivity and Elementary Particles I will be happy with any response; Keywords for google, names of methods like raycasting, etc.

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• Why doesn't light continuous on my model?

  - by nosferat

  I created a basic textured cube model with Blender to practice modeling, and then I imported it into Unity. After I put up some lighting it looks pretty ugly. The light is not continuous on a row of textured cubes: What is more odd, the light on the blocks that makes up the floor is continuous. What am I doing wrong? UPDATE This is how it looks like without textures: https://dl.dropbox.com/u/45620018/without%20textures.PNG If I would not know that these are perfect cubes, I'd say there is a slight curve on surface. I also tried lightening the texture but it also didn't help: https://dl.dropbox.com/u/45620018/lighter%20texture.PNG I just simply exported the model from Blender and did not set up any normals or things like that. However I also did not do any special woth the floor brick model.

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• Windows Phone 7 - Lack of interest?

  - by guybarrette

  We usually have between 40 and 80 people attending our regular meeting at the Montreal .NET Community.  This week, we had a special Windows Phone 7 blitz with 2 meetings. The topics were very good: Tou.tv and Flickr apps development retro feedback from the teams who wrote them. In the first meeting, RunAtServer discussed how they built the Tou.tv WP7 app for Radio-Canada.  In the second meeting, nVentive discussed how they built the WP7 and Slate clients for Flickr. Strangely, we had our lowest attendance in years with these 2 WP7 meetings.  Lack of interest in WP7?  Too early? var addthis_pub="guybarrette";

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• Ubuntu One not syncing and not providing feedback

  - by Joe

  Firstly, I apologize for not being more specific with my problem, but Ubuntu One is just not providing me with any information. It appears to be working, it states that "syncronization in progress..." but it never actually syncronizes (by never I mean 3 days). When I first selected a folder to sync using Ubuntu One it took on the order of hours to sync over 500MB of files - it uploaded the folder hierarchy first and populated the folders over a few hours. That is not happening at all now. Please let me know if there is a way I can get more information out of Ubuntu One that I can post and hopefully resolve this issue. Thanks, Joe

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• Do search engines crawl PDFs and if so are there any rules to follow when making them

  - by RandomBen

  The website I am working on has a few hundred PDFs in it. I don't think I have ever seen any of them come back in a search but there are linked to directly from out site. They are also full of keywords because they are product documents. Is there anything special we need to do to get Google or other search engines to crawl them? Is there any hard and fast rules for making PDFs to help Google like them more? For instance should I run them through ghostscript to clean up broken PDF tags that Adobe creates during generation?

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• Should I prevent search engines indexing tag/category pages?

  - by Macha

  On my site, I currently have no special rules for search engines. It is a blog, statically generated using a Python program. When I search for some of my articles on Google, there is usually a tag or category page included in the results. Sometimes it even ranks ahead of the article itself. Obviously, as these links aren't always going to have the article on them, this aren't the results I want people to click on. So, I'm thinking of setting noindex on these pages. Is there any possible downside to doing so? Is this possible to do via robots.txt, or do I have to add it to all the relevant templates? All I can find for robots.txt are ways to stop the search engine crawling those pages, which isn't what I want - while I don't want them indexed, it's still the only surefire way to find all my blog posts.

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• SETUP for sending Mail via postfix to GMAIL

  - by Sib Andela

  My knowledge of mail delivery systems is near ZERO I have stand alone PC running UBUNTU 12.04 (no other OP systems) I am developing a web system with PHP and want to send an email to users that have registered. I have installed POSTFIX and set it up to work with GMAIL (I hope correctly) My little test program appears to send the email but it does not arrive at destination. Is there some special code for SMTP or something else needed to install? Please can you give me step by step instructions of what must be installed. Simple explanations will be appreciated so I know why and for what I am doing these things. This is my test program which shows OK Thanks

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• How do I accomplish fading texture trails in UDK?

  - by kdshay

  I would like to know how to leave a fading texture/material trail in udk. For example (I'm not sure if there is a special name for this effect): A character may leave footprints that fade after x number of seconds Or, a tank may leave a tracks trail as in Civilization IV. Here is another example of this type of effect. Skip to 1:00 and watch the green slime texture. http://www.youtube.com/watch?v=KdJIauWjE8s How do I accomplish this effect in UDK? Any good tutorials? Thank you.

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• Automatically sync a folder to a USB when USB is plugged in?

  - by John

  Is there a way to sync a folder to an USB drive when the drive is plugged in? I'd like it to sync, or copy over changes, both ways. I've seen the Back In Time and Unison-GTK applications, but I'd like for it to run as soon as the drive is mounted. What I mean is, unintrusively sync the two folders without any input from myself besides setting it up. If this isn't possible, is it possible to run the application when the thumb drive is plugged in to remind myself to sync manually? Thanks!

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• How to get KeePass to properly work with Chromium?

  - by Tom

  The two-channel auto-type obfuscation feature of KeePass doesn't work for me with Chromium (on Ubuntu 12.04 64 bits). However, it works just fine with Firefox. Dows anyone know how to fix this? Textboxes in web forms in Chromium seems to have something special that causes this feature to fail. Only some of the username/password characters are being auto-typed. This might be related to this: if I select an entry in KeePass and click "Copy User Name", I can paste it fine with Ctrl+V in any textbox in Firefox, but I can't on Chromium. However, text copied using Ctrl+C from a regular text file (say, from gedit), can be pasted fine on both browsers. What may be wrong? I wouldn't like to deactive this feature for all the entries in my keepass files as I use them on Windows too and they work just fine there (even on Google Chrome for Windows). This feature gives an appreciated extra security measure against spyware/keyloggers.

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• 3D game engines for XNA games

  - by Jenko

  Before I start development of an XNA game, I need to choose a 3D game engine to develop upon. Is this belief unfounded? Does XNA have basic object transformation, lighting and mesh/texture importing functionality by which you can develop a decent 3D side-scrolling game? Chances are I'm going to need a 3D engine such as Torque X to handle most of the special effects, animation and sound for me. What are the engines that you recommend building an XNA game with? What work reliably in your experience? Is XNA alone enough? do you have repositories of code that work directly with XNA to create effects and other game environments with sunlight, fog and rain?

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• What does it mean for SVN "to pollute the local source tree"?

  - by asd

  I'm reading "Professional Team Foundation Server 2010" by Wrox, and in an advantages/disadvantages list, the said: "Like CVS, SVN makes use of .svn directories inside the source folders to store state of the local working copy, and to allow synchronization with the server. However, it can have the affect of polluting the local source tree, and can cause performance issues wiht very large projects or files." What does the bit about pollution mean? I've used SVN for C# & ASP.NET projects for a long time and haven't encountered any problems. What probably does this quote think I should have been watching out for?

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• Clone Unity Dock for All Users?

  - by jduc

  I've spent 3 days trying to figure out how to clone the Unity dock from my firstuser profile in Ubuntu 12.04 to all of the other profiles I'm hoping to create. I've read where the /etc/skel folder contents get populated to all new profiles but this doesn't seem to include the dock or the desktop folders and icons. I've also copied the entire contents of my /home/firstuser folder to my /home/seconduser folder (including .* files) but the dock is still showing the stock icons and not the icons I've designated in my firstuser profile dock. Does anyone have any suggestions?

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• Getting Started with Oracle Fusion Governance, Risk and Compliance (GRC)

  Designed from the ground-up using the latest technology advances and incorporating the best practices gathered from Oracle's thousands of customers, Fusion Applications are 100 percent open standards-based business applications that set a new standard for the way we innovate, work and adopt technology. Delivered as a complete suite of modular applications, Fusion Applications work with your existing portfolio to evolve your business to a new level of performance. In this AppCast, part of a special series on Fusion Applications, you hear about the unique advantages of Oracle Fusion Governance, Risk and Compliance and discover how Fusion GRC works with your existing applications investments.

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• How to add a command permanently to grub2

  - by tomodachi

  I have a fairly special setup, using Linux on a MacBook Laptop. to switch off my secondary graphics card in it I'm required to add these lines to my grub outb 0x728 1 outb 0x710 2 outb 0x740 2 outb 0x750 0 I do this by pressing 'e' for my selected grub menu option and adding the lines one by one . then finally booting . But as we know it's not permanent. I cant really figure out where i need to add it for grub to always append it to my Linux boot options. It's doesn't seem to belong in /etc/default/grub since here i can add stuff to the kernel boot line Honestly i'm afraid to fiddle to much with grub on my computer since getting it to triple boot Linux/Mac/Windows was a very delicate and timely matter. Does anyone have any idea of where to add it?

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• Can I copy large files faster without using the file cache?

  - by Veazer

  After adding the preload package, my applications seem to speed up but if I copy a large file, the file cache grows by more than double the size of the file. By transferring a single 3-4 GB virtualbox image or video file to an external drive, this huge cache seems to remove all the preloaded applications from memory, leading to increased load times and general performance drops. Is there a way to copy large, multi-gigabyte files without caching them (i.e. bypassing the file cache)? Or a way to whitelist or blacklist specific folders from being cached?

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