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• How to access shared folders in Ubuntu VM(Oracle Virtualbox) and link them to the home folder(Answered)

  - by Njihia

  I have configured a shared folder between the Windows host and Ubuntu guest. The folder mounts at start up but its empty(It also has a padlock sign.). I have to run the command below to access its content(the padlock sign disappears). sudo mount.vboxsf media ~/media How can i configure it to be run automatically at start up. I've tried adding to the start up programs but nothing happens. Am new to Linux so try to put your answer in a layman's language. Thanks.

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• Would this be considered Single Tenant or Multi-Tenant?

  - by Amy Anuszewski

  I'm sorry for this dumb, basic vocabulary question, but I've managed to confuse myself. As a company, we lease a managed server from a provider. In that sense, our server is a single tenant server. On this server, we have multiple customer databases. Each customer has its own database. We have been asked by a customer if we are a single tenant or a multi-tenant solution. From our perspective, we are the sole tenant of the server. But, what is the correct answer to the customer?

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• Right-click acts too fast - No Fix Yet, Any Workaround?

  - by Aahan Krish

  When I click the right mouse button (anywhere, be it - desktop, browser, console, etc.), the right-click context menu pops up so quickly that the very *first* option in the menu gets clicked. This happens too often to take it easy. This issue has been brought up a couple of times on Ask Ubuntu, but with no fix whatsoever. This is a very low priority issue for the Ubuntu team, I believe? (How could they?!) Is there at least a workaround for the issue? Ubuntu is almost unusable for me as it is now. PS: I have a new mouse. So, please don't go about suggesting that I get a new one - - everything's working fine on Windows 7, so should be the case with ubuntu 11.10, which it is not.

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• CLR via C# - first post of many!

  - by TATWORTH

  I am currently reading CLR via C# ISBN 978-0-7356-2704-8. Whilst quite correctly described by the publisher as a "Deep Dive", this is a book that C# developers with 6-18 months plus experiance ought to read. Certainly any serious Microsoft programming shop ought to have a copy.  For our VB.NET bretheren, a book of this quality is a good excuse to learn C#. (And before you ask, my favourite language of C# and VB.NET is the one that gets me the next contract!) When I started programming 31 years ago I went through IBM 360 Orientation - this gave me an comprehension of what worked best at the machine code level - this is the first book I have found that explains the the working of the Dot Net framework to explain why particular choices are good, This is my first blog post here. In the coming weeks, I intend to: Carry on with my review of CLR via C# and bring out practical points from that work. Post details of useful utilities Post some "Tales from the coal face.."

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• How do I stop Google indexing my main page as https [duplicate]

  - by user2897488

  This question already has an answer here: https:// search results appearing on Google for purely http:// site 2 answers Due to historic reasons, we have things set up so that "www.mydomain.com" redirects to "store.mydomain.com". This has worked perfectly fine until recently, when Google appears to be sending visitors to "https:// www.mydomain.com" which doesn't have an SSL-certificate (and never has). Strangely, its only the first link that goes to "https:// www.mydomain.com", all other links point correctly to "http:// store.mydomain.com". Because there is no certificate on the "www" version, users are getting an error message. How do I make Google revert to pointing the main link at "http:// store.mydomain.com" (or even "http:// www.mydomain.com.") If I remove "https:// www.mydomain.com" from Google webmaster tools, will this also remove the redirected page ("http:// store.mydomain.com)? Thanks.

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• Help me i can't format my usb? i have already tried with mkdosfs and gparted

  - by Mauri Olivares

  I have a MicroSD card in a USB adapter (which plugs into a USB port on my machine, and acts like a USB flash drive). I was using Unetbootin to make this a bootable USB flash drive with Kubuntu. But I needed to cancel while it was working. So I killed the Unetbootin process from the console. Since then, I can't format the MicroSD or delete the folder that Kubuntu made. I have also tried mkdosfs, with no success. I can't mount the drive anymore either? What can I do, to make this drive usable again? Trying to create a new partition table in GParted, as described in Eliah Kagan's answer, does not work. It fails with the error message "imposible crear tabla de particiones" ("unable to create a partition table").

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• Twitter's new approach of third party application? How would you see this move as developer.... especially you plan to build a twitter client.

  - by MobileDev123

  Just today morning I have read news that twitter has issued a warning to developers not to make any new third party client, the official announcement can be read here. As a programmer, how do you see this move of twitter? Does it seems that they want to standardize the behavior of third party client or they don't want any new client in favor of the default clients they have made? What if anybody wants to create a new client? Is there any guidelines that-if followed- ensure that we can create a new mobile client? Or we should stop thinking about it? What are the option for the developers who want to build some clients for twitter? I can realize that I have asked too many questions, but I still think that there can be one common answer.

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• vlc issue with unity

  - by bob

  I'm using ubuntu 12.04 with unity 3d. I am having troubles to lock vlc (version: VLC media player 2.0.1 Twoflower (revision 2.0.1-0-gf432547)) to the left panel. It doesn't behave the same way other applications do. This is a fresh install from the repo, I didn't change any settings. Ubuntu 12.04 is also a fresh install. For example, (left) clicking on it doesn't bring it to front, but creates a new instance (this in particular is very annoying, if it gets behind another window, that happens to be maximized, there is no way to bring it back up). It also doesn't have a right arrow to say the number of instances there is. Any way around that ?

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• Job and degree problem [closed]

  - by Sepala

  I am 22. Software Development - Final year. I am seeking for a 8 hour per day, saturday half day, sunday off job (Sunday is the degree day). I don't know whether I can move a job with responsibilities while doing my degree. Sometmes these people say the working hours might get extended in some days. Have you done a high responsible job, while in ur final year? If yes, how? Did u get very bet results? Please answer. PS. Why I am asking this is mainly I am a person who do lot of self studies. These days I am on VLCJ and Java face recognition technology.

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• How to manually detect deadlocks

  - by Dawson

  I understand the concepts of deadlock well enough, but when I'm given a problem like the one below I'm not sure how to go about solving it. I can draw a resource allocation graph, but I'm not sure how to solve it from there. Is there a better more formal way of solving this? Consider a system with five processes, P1 through P5, and five resources, R1 through R5. Resource ownership is as follows. • P1 holds R1 and wants R3 • P2 holds R2 and wants R1 • P3 holds R3 and wants R5 • P4 holds R5 and wants R2 • P5 holds R4 and wants R2 Is this system deadlocked? Justify your answer. If the system is deadlocked, list the involved processes.

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• Testing web applications written in java

  - by Vinoth Kumar

  How do you test the web applications (both server side and client side code)? The testing method has to work irrespective of the framework used (struts, spring web mvc) etc. I am using Java for the server side code, Javascript and HTML for the client side code. This is the sample test case of what I am talking about: 1. When you click on a link, the pop up opens. 2. Change some value in the pop up (say a drop down value) and it gets saved in the DB. 3. Click the popup again, you get the changed values. Can we simulate this kind of thing using unit test cases? Is JUnit enough for this?

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• Got Questions? Ask the Experts at MIX10

  On Monday the 15th from 5pm 6:30pm at MIX10 there will be a Ask the Experts event where an incredible pool of knowledgeable experts on topics including Silverlight, WCF RIA Services, and Blend will be available to answer your questions. You can also win some great prizes including a Zune HD! Ill be there along with Adam Kinney, Brad Abrams, Joe Stegman, and many others. More details are below, but please stop by and see us! Ask the Experts returns to MIX on Monday, March 15. 5:00 6:30pm; Monday,...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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• NDIS Driver Filter VS API Hooking

  - by Smarty Twiti

  I've seen many developers asking for "How to intercept in/out HTTP packets ", "How to modify them on the fly". The most "clean" answer I've seen is to make a kernel-mode-driver filter from the scratch (TDI for XP and earlier winx9 or NDIS for NT systems). An other way, is to use a user-mode-driver like Windivert, also Komodia has a great solution (without writing any single code). The idea behind this introduction is just I want to know is API Hooking can be considered as alternative of writing of whole of driver-filter? writing a driver from the scratch is not an easy task, why just not Hooking the HttpSendRequest or any other API used by the browser? There are many free/commercial libraries to do this in a safe manner (eg: EasyHook, Mhook, Nektra..). I'm not the first who ask, there already Sockscap that uses Hook(DLL injection) to change behavior to other applications and force them to use a Socks proxy, also Form grabbing attack 'used by keylogger..

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• Looking for a non-cryptographic hash function that returns a single character

  - by makerofthings7

  Suppose I have a dictionary of ASCII words stored in uppercase. I also want to save those words into separate files so that the total word count of each file is approximately the same. By simply looking at the word I need to know which file it should be in (if it's there at all). Duplicate words should go into the same file and overwrite the last one. My first attempt at solving this problem is to use .NET's object.GetHashCode() function and .Trim() to get one of the "random" characters that pop up. I asked a similar question here If I only use one character of object.GetHashCode() I would get a hash code character of A..Z or 0..9. However saving the result of GetHashCode to disk is a no-no so I need a substitute. Question: What algorithm (or subset of an algorithm) is appropriate for pigeonholing strings into a single character or range of characters (Like hex 0..F offers 16 chars)? Real world usage: I'll use this answer to modify the Partition key used in Azure Table storage as described here

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• Handling buildings in isometric tile based games

  - by MustSeeMelons

  A simple question, to which i couldn't find a definitive answer - how to manage buildings on a tiled map? Should the building be sliced in to tiles or one big image? EDIT: The game is being built from scratch using C++/SDL 2.0, it will be a turn based strategy, something like Fallout 1 & 2 without the hex grid, a simple square grid, where the Y axis is squished by 50%. Buildings can span multiple tiles, the characters move tile by tile. For now, the terrain is completely flat. Some basic functionality is in place, so I'm aiming to advancing the terrain and levels them selves - adding buildings, gates, cliffs, not sure about the elevation.

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• How can I redirect everything but the index as 410?

  - by Mikko Saari

  Our site shut down and we need to give a 410 redirect to the users. We have a small one-page replacement site set up in the same domain and a custom 410 error page. We'd like to have it so that all page views are responded with 410 and redirected to the error page, except for the front page, which should point to the new index.html. Here's what in the .htaccess: RewriteEngine on RewriteCond %{REQUEST_FILENAME} !-f RewriteRule !^index\.html$ index.html [L,R=410] This works, except for one thing: If I type the domain name, I get the 410 page. With www.example.com/index.html I see the index page as I should, but just www.example.com gets 410. How could I fix this?

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• OpenGL ES 2.0 gluUnProject

  - by secheung

  I've spent more time than I should trying to get my ray picking program working. I'm pretty convinced my math is solid with respect to line plane intersection, but I believe the problem lies with the changing of the mouse screen touch into 3D world space. Heres my code: public void passTouchEvents(MotionEvent e){ int[] viewport = {0,0,viewportWidth,viewportHeight}; float x = e.getX(), y = viewportHeight - e.getY(); float[] pos1 = new float[4]; float[] pos2 = new float[4]; GLU.gluUnProject( x, y, 0.0f, mViewMatrix, 0, mProjectionMatrix, 0, viewport, 0, pos1, 0); GLU.gluUnProject( x, y, 1.0f, mViewMatrix, 0, mProjectionMatrix, 0, viewport, 0, pos2, 0); } Just as a reference I've tried transforming the coordinates 0,0,0 and got an offset. It would be appreciated if you would answer using OpenGL ES 2.0 code.

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• HTML5 clicking objects in canvas

  - by Dave

  I have a function in my JS that gets the user's mouse click on the canvas. Now lets say I have a random shape on my canvas (really its a PNG image which is rectangular) but i don't want to include any alpha space. My issue lies with lets say i click some where and it involves a pixel of one of the images. The first issue is how do you work out the pixel location is an object on the map (and not the grass tiles behind). Secondly if i clicked said image, if each image contains its own unique information how do you process the click to load the correct data. Note I don't use libraries I personally prefer the raw method. Relying on libraries doesn't teach me much I find.

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• Some help understanding and modifying a 2D shader

  - by electroflame

  I have a similar question as the one posed here, except that I don't wish to use a 1D Color Palette. I simply wish to have it display 1 color of my choosing (red, for example). I plan to use this as a "shield" effect for a 2D ship. I also wish to understand how it works a little bit better, as I'll be the first to admit that shaders in general are not my strongest suit. I'm not asking for an overview of HLSL (as that is too broad of a subject), just an explanation of how this shader works, and the best way to implement it in a 2D game. Code examples would be ideal (even if they are theoretical) but if the answer is explained well enough, I might be able to manage with plain old text. This is also in XNA 4.0. Thanks in advance.

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• udev rule group ownership not working

  - by Tirithen

  I have added a udev rule for my Arduino, but the symlink gets the ownership "root root" instead of "root dialout". $ cat /etc/udev/rules.d/47-Arduino.rules SUBSYSTEM=="usb", ATTR{idVendor}=="2341", ATTR{idProduct}=="0001", MODE="0666", SYMLINK+="arduino", GROUP="dialout" $ ls -la /dev/ar* lrwxrwxrwx 1 root root 15 sep 8 11:02 /dev/arduino -> bus/usb/003/007 $ ls -la /dev/bus/usb/003/007 crw-rw-r-- 1 root dialout 189, 262 sep 8 11:12 /dev/bus/usb/003/007 My user is a member of the group "dialout" but I still get permission denied error when I'm trying to communicate with the device. There are no problems when I'm using the "default" device "/etc/ttyACM3". $ ls -la /dev/ttyACM3 crw-rw---- 1 root dialout 166, 3 sep 8 11:12 /dev/ttyACM3 I have tried to restart both the udev service and reboot my computer. How can I fix this?

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• Window controls missing; Cannot maximise or minimize applications

  - by omg_scout

  Ubuntu 12.10 32 bits, fresh installation. How can I make Unity maximize or minimize a window? I see no button,option, anything, do I miss something big? Quick googling did not give me a piece of answer, too: On first screen, I have a terminal window. Only clue about maximizing it I found was pressing F11 which made it fullscreen, hiding left bar as well. I would prefer it to take whole free space instead of whole screen. How can I do that? On second screen, I have an opera browser which takes bigger part of the screen but I can't make it take whole screen. Restarting opera did not work. How do I minimize/maximize apps? Also, in case I would like to see the desktop, only solution I found was closing everything Help guys. I kind of like new GUI, but I can't have simplest tasks done there, I feel like I miss something big there.

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• Corsair Hydro i series cpu cooler fan control

  - by user214690

  Im relatively new at Ubuntu and have found an answer to basically every single issue ive ever had thru this site... Otherthan this. I have been toying with the idea of a Corsair h80i for my dual boot system (win7/U12.10) and mostly use it in ubuntu. I have done some research on the interweb regarding fan control in linux and nearly ran up short untill I came across this thread: http://ubuntuforums.org/archive/index.php/t-2096166.html And it seems to have worked around it. (altho I have not tested it for myself) Is there any program/library/source that can be used to control the fans without having to MacGuyver it??

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• Save Zone Implementation in Asteroids

  - by Moaz

  I would like to implement a safe zone for asteroids so that when the ship gets destroyed, it shouldn't be there unless it is safe from other asteroids. I tried to check the distance between each asteroid and the ship, and if it is above threshold, it sets a flag to the ship that's a safe zone, but sometimes it work and sometimes it doesn't for (list<Asteroid>::iterator itr_astroid = asteroids.begin(); itr_astroid!=asteroids.end(); ) { if(currentShip.m_state == Ship::Ship_Dead) { float distance = itr_astroid->getCenter().distance(Vec2f(getWindowWidth()/2,getWindowHeight()/2)); if( distance>200) { currentShip.m_saveField = true; break; } else { currentShip.m_saveField = false; itr_astroid++; } } else { itr_astroid++; } }

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• Cliché monsters to populate a steampunk fantasy setting dwarven dungeon?

  - by Alexander Gladysh

  I'm looking for a list of cliché monsters for a steampunk computer game (assume one kind or another of casual rogue-like RPG), to populate lower levels of ancient dwarven-built dungeons. Dwarves are a technology/science race in the setting I am aiming for. The world is a low-magic one. I'm stuck after listing various mechanical golems, gigantic spiders (every dungeon must have some of them!), and maybe a mechanical barlog as a megaboss. What would player expect? What are the key cultural references for such setting? I know a couple of games with suitable steampunk dwarves, but none are detailed enough in the underworld monsters area. Please point me in the right direction. (If you have a single funny monster suggestion, please mention it in comments, not in answer. ;-) )

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• Does the EU cookie law apply to an EU site that is hosted outside of the EU?

  - by mickburkejnr

  I have been reading up about this EU cookie law, and have also had in depth conversations with my girlfriend who is a solicitor/lawyer and with colleagues while building websites. While we are now working towards implementing a way to abide by the EU law, I have thought of something which no one really knows the answer to and has caused a few arguments. It's my understanding that any website in the EU must abide by these cookie laws, which is understandable. However, say if I were to have a .co.uk or .eu domain name pointing to a website which is hosted in America for example, do I still need to abide by the EU laws even though the website is hosted outside of the EU? One person I have asked has said that because the domain name is .co.uk or .eu (a European TLD) then the website is still accountable under EU law. Another person I have asked has said because the actual website is held outside of the EU, it doesn't actually have to bother with this law.

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