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• VLC 2.0: can't enable UPnP support

  - by Craig

  I'm attempting to use VLC 2.0.1 (Intel 64 bit) to connect to a UPnP server (Serviio 0.6.2 on OS X Snow Leopard). I've tried to enable the feature by right clicking the "Universal Plug 'n Play" node in the LOCAL NETWORK section of the Main Window. While I am able to select 'Enable', the setting doesn't seem to 'stick'. Moreover, UPnP isn't listed in the Playlist Service discovery section of the preferences. The 'Service discovery modules' is currently set to upnp_intel:sap. I am able to connect to the UPnP server with my Samsung TV, so I know that the service works.

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• Apache virtualhost - Mac OSX 10.7.3

  - by Rakan

  After upgrading to Lion, all my virtualhosts stopped working. They redirect to "It works" main apache page on my device for some weird reason. Example: /etc/hosts: 127.0.0.1 myhost.com <VirtualHost *:80> DocumentRoot "/Library/WebServer/Documents/testproj/" ServerName myhost.com <Directory "/Library/WebServer/Documents/testproj/"> Options Indexes FollowSymLinks MultiViews AllowOverride All Order allow,deny Allow from all </Directory> ErrorLog "/private/var/log/apache2/testproj-error_log" CustomLog "/private/var/log/apache2/testproj-access_log" common </VirtualHost> Did anyone else face the same issue? How can I fix this?

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• Are there any real-world cases for C++ without exceptions?

  - by Martin

  In When to use C over C++, and C++ over C? there is a statement wrt. to code size / C++ exceptions: Jerry answers (among other points): (...) it tends to be more difficult to produce truly tiny executables with C++. For really small systems, you're rarely writing a lot of code anyway, and the extra (...) to which I asked why that would be, to which Jerry responded: the main thing is that C++ includes exception handling, which (at least usually) adds some minimum to the executable size. Most compilers will let you disable exception handling, but when you do the result isn't quite C++ anymore. (...) which I do not really doubt on a technical real world level. Therefore I'm interested (purely out of curiosity) to hear from real world examples where a project chose C++ as a language and then chose to disable exceptions. (Not just merely "not use" exceptions in user code, but disable them in the compiler, so that you can't throw or catch exceptions.) Why does a project chose to do so (still using C++ and not C, but no exceptions) - what are/were the (technical) reasons? Addendum: For those wishing to elaborate on their answers, it would be nice to detail how the implications of no-exceptions are handled: STL collections (vector, ...) do not work properly (allocation failure cannot be reported) new can't throw Constructors cannot fail

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• Bizarre SSH Problem - It won't even start

  - by thallium85

  I recently got Ubuntu 12.04 Precise, got it up and running with some MediaWiki software, static IP on the box and router and was able to access the main page even from a cell phone. Everything seemed great... Then I wanted to finally get rid of the monitor and keyboard and login remotely via SSH. I installed openssh-server, let everything point to port 22 for a test run and installed putty on my Windows XP machine. I got a connection refused. Went back and started checking the Ubuntu install itself... (I'm under root from this point on) $ sudo -s $ service ssh status ssh stop/waiting $ service ssh start ssh start/running, process 2212 $ service ssh status ssh stop/waiting Apparently ssh has stopped or is waiting for something.... $ ssh localhost ssh: connect to host localhost port 22: Connection refused I can't even connect to myself... I checked ufw (firewall) to see if port 22 is doing alright... $ sudo ufw status Status: active To Action From 22 ALLOW Anywhere 22/tcp ALLOW Anywhere 22 ALLOW Anywhere (v6) 22/tcp ALLOW Anywhere (v6) sshd_config shows only Port 22 Is ssh not using the right IP address at all? I just don't get what I did wrong here. When this is up and running I will def change the port number, but for now, I don't want to mess with the default install too much until a test run with putty is successful. Edit: Here are my sshd_config file and my ssh_config file. The command /usr/sbin/sshd -p 22 -D -d -e returns: /etc/ssh/sshd_config line 159: Subsystem 'sftp' already defined. Edit: @phoibus moving the sshd_config file and reinstalling did the trick! service ssh status the above command shows that ssh is now running and I am now able to log in from my windows xp computer remotely via putty. Thanks so much! I can now use my monitor for other things!

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• Can't play Steel Storm, Burning Retribution

  - by Goytor

  I've bougth Steel Storm, Burning Retribution in the Software Center, and every time I run it shows the following message: You have reached this menu due to missing or unlocable content/data You may consider adding -base dir /path/to/game to your launch commandline I've gone to main menu in the preferences tab and changed the launcher to no avail. I've tried running it from console, with /opt/steelstorm-episode2/steelstorm, I got: Game is Steel-Storm using base gamedir gamedata Steel-Storm Linux 01:07:07 Jun 11 2011 - release Playing shareware version. Skeletal animation uses SSE code path DPSOFTRAST available (SSE2 instructions detected) Failed to init SDL joystick subsystem: couldn't exec quake.rc couldn't exec default.cfg execing config.cfg couldn't exec autoexec.cfg Client using an automatically assigned port Client opened a socket on address 0.0.0.0:0 Client opened a socket on address [0:0:0:0:0:0:0:0]:0 Linked against SDL version 1.2.12 Using SDL library version 1.2.14 GL_VENDOR: NVIDIA Corporation GL_RENDERER: GeForce 6150SE nForce 430/PCI/SSE2/3DNOW! GL_VERSION: 2.1.2 NVIDIA 270.41.06 vid.support.arb_multisample 1 vid.mode.samples 0 vid.support.gl20shaders 1 Video Mode: fullscreen 640x480x32x0.00hz S_Startup: initializing sound output format: 48000Hz, 16 bit, 2 channels... Wanted audio Specification: Channels : 2 Format : 0x8010 Frequency : 48000 Samples : 2048 Obtained audio specification: Channels : 2 Format : 0x8010 Frequency : 48000 Samples : 1024 Sound format: 48000Hz, 2 channels, 16 bits per sample CDAudio_Init: No CD in player. Can't get initial CD volume CD Audio Initialized If I try -base /opt/steelstorm-episode2/steelstorm says "command not found".

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• Best practice for scaling a single application source to multiple nodes

  - by Andrew Waters

  I have an application which needs to scale horizontally to cover web and service nodes (at the moment they're all on one) but interact with the same set of databases and source files (both application code and custom assets). Database is no problem, it's handled already with replication in MongoDB. Also, the configuration of the servers are the same (100% linux). This question is literally about sharing a filesystem between machines so that its content is always correct, regardless of the node accessing it. My two thoughts have so far been NFS and SAN - SAN being prohibitively expensive and NFS seeing some performance issues on the second node with regards to glob()ing in PHP. Does anyone have recommended strategies or other techniques that don't involved sharding data across nodes or any potential gotchas in NFS that may cause slow disk seek times? To give you an idea of the scale, the main node initialises it's application modules in ~ 0.01 seconds. The secondary is taking ~2.2 seconds. They're VM's inside a local virtual network in ESXi and ping time between them is ~0.3ms

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• is it possible for a router to provide different gateway?

  - by Hao

  i have tp-link wireless router 192.168.10.188, i was can make it function as DHCP provider(range 192.168.10.100 to 192.168.10.109). the only thing that i cannot make it work as intended, is for it to provide different gateway (192.168.10.1), the computers that obtain IP from that router properly get everything(dynamic IP and dns IP), but there is no function on that router to provide different gateway, the computers always get the router's address(192.168.10.188) as gateway. is there a router that can provide different gateway other than its own address? or the question should be, is the dhcp of a router can provide different gateway other than its own address? note: i cannot make the wireless router address as 192.168.10.1, we have main router(non-wireless, address is 192.168.10.1) that is connected directly to internet

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• Barring connections if VPN is down.

  - by Majid

  I have a VPN account and use it for sensitive communication. However the VPN connection sometimes is dropped while my main connection to the internet is still alive. The pages I visit through VPN are on HTTP (not secure) and have javascript code which pings the host every minute or so on a timer. So it happens sometimes that the VPN connection is dropped and yet js sends a request to the server (with the cookies). How could I restrict connections so they only happen if the VPN is live? Edit - Some required details were missing OS: Windows XP SP2 Browser (mostly used): Google Chrome Firewall: Windows default Sites to filter: not all traffic but all in a list of sites like abc.com, xyz.com

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• Simple multi-seat

  - by Oli

  I've asked about multiseat before. The answer (for 10.04) involved doing it the proper way (eg through gdm, multiple server layouts). The problem was that gdm needs to be patched or reverted to 2.20 for multiseat. It's an ugly hack that, worse than anything, will hold up future updates. As a result, I didn't do anything. I still have a spare video card. I still have the monitor, keyboard and mouse all sitting waiting to jump into action. And I still want to be able to turn that into a simple desktop. My needs don't seem complicated. I have a second video card, a USB hub and anything connected to that USB hub that I want to be dedicated to another X server. I don't need a login screen (I'm happy hard-coding in a auto-login and I'd be happy with the user starting the X server if that's possible). This is so simple in my head that I only need two questions: How can I explicitly start an X server from the command line on an unused video adapter (by passing it whatever configuration I need to)? Can I have this new X session load a desktop environment on load? This seems like something you should be able to write in a little upstart script within 10 minutes. That would be perfect for me as then I'd have a nice start/stop control over the secondary desktop from the main desktop (that I want to leave unscathed!) I'm thinking something as simple as this for the payload: su -u other_user -c "startx -- localhost hardware-information" And use .xinitrc to load openbox or something...

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• How to install Tor (Web Browser) in Ubuntu 12.10?

  - by Zignd

  I would like to install the Tor, but I'm having some problems. I know that someone will say "This question is a exactly duplication of How to install tor?", but it's not, because the another question can not be applied to Ubuntu 12.10 as the deb command is not available anymore. I did a research and even at the Tor's Official Website the available resource can not be applied to Ubuntu 12.10. I tried to use the deb command (as the above question says: deb http://deb.torproject.org/torproject.org <DISTRIBUTION> main) and the Terminal says deb: command not found and when I try to install it says E: Unable to locate package deb. I've also tried to use the ppa: ubun-tor, but it's not compatible with Quantal Quetzal, because it's too old. I've also tried to use sudo apt-get install tor, but browser icon don't shows up after installation and if you try to use the command tor in the Terminal I get the following error message: Nov 26 10:59:25.731 [notice] Tor v0.2.3.22-rc (git-4a0c70a817797420) running on Linux. Nov 26 10:59:25.731 [notice] Tor can't help you if you use it wrong! Learn how to be safe at https://www.torproject.org/download/download#warning Nov 26 10:59:25.731 [notice] Read configuration file "/etc/tor/torrc". Nov 26 10:59:25.737 [notice] Initialized libevent version 2.0.19-stable using method epoll (with changelist). Good. Nov 26 10:59:25.737 [notice] Opening Socks listener on 127.0.0.1:9050 Nov 26 10:59:25.737 [warn] Could not bind to 127.0.0.1:9050: Address already in use. Is Tor already running? Nov 26 10:59:25.737 [warn] Failed to parse/validate config: Failed to bind one of the listener ports. Nov 26 10:59:25.737 [err] Reading config failed--see warnings above. Thanks in advance.

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• #altnetseattle - Kanban

  - by GeekAgilistMercenary

  The two main concepts of Kanban is to keep the queues minimum and to maintain visibility. Management/leadership needs to make sure the Kanban Queue doesn’t get starved.  This is key and also very challenging, being the queue needs to be minimal but also can’t get too small during the course of work.  This is to maintain maximum velocity. Phases of the Kanban need to be kept flowing too, bottlenecks need removed ASAP when brought up. Victory Wall – I dig that idea.  Somewhere to look to see the success of the team. The POs work in Rally or other tools for some client management, but it causes issues with the lack of "visibility" – a key fundamental ideal & part of Kanban. One of the big issues is fitting things into a sprint, when Kanban is used with Scrum, but longer sprints are wasteful. Kanban work sizes are of a set size. At this point I got a bit side tracked by the actual conversation and missed out on note taking.  Overall, people doing Kanban and Lean Style Software Development I would say are some of the happiest coders around.  The clean focus, good velocity, sizing, and other approaches that are inferred by Kanban help developers be the rock stars and succeed. This is definitely a topic I will be commenting on a lot more in the near future.

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• How do I find add-ons for packages when using the command line?

  - by user74660

  My question is a little bit different from others already asked, I guess. I've already searched for answers, but I didn't find anything related. For example, I've always installed K3B via Terminal with the following command "sudo apt-get install k3b". It always worked, of course. One day, I decided to install it via Ubuntu Sofware Center and, to my surprise, there were a few Add-ons I didn't know about. I checked some of them to be installed as well because I found them useful. Now, here's my question: When we try to install a software via Terminal and this software has add-ons, how do we know that? And how do we install the add-ons via Terminal? I suppose we have to know the names of the add-ons first, and then install them one by one, once the main software has already been installed. But how do we get to know those names via Terminal? Using the Software Center is cool because it shows the add-ons, a brief description for each one and their names in brackets, right? How about that via Terminal? I had never paid attention to this until I used the Software Center. By the way, K3B was just an example, of course.

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• How to disable an "always there" program if it isn't in the processes list?

  - by rumtscho

  I have Crashplan and it is constantly running in the background and making backups every 15 minutes. It caused some problems with the backup target folders, so I want it to be inactive while I am making changes to these folders. I started the application itself, but could not find some kind of "Pause" button. So I decided to just stop its process. I first tried the lazy way - the system monitor in the Gnome panel has a "Processes" tab - but didn't find it listed there. Then I did a sudo ps -A and read through the whole list. I don't recognize everything on the list (many process names are self-explaining, like evolution-alarm, but I don't recognize others like phy0) but there was nothing which sounded even remotely like crashplan. But I know that there must have been a process belonging to Crashplan running at this time, because the main Crashplan window was open when I ran the command. Do you have any advice how to stop this thing from running? The best solution would involve temporary preventing it from loading on boot too, since I may need to reboot while doing the maintenance there.

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• What are the requirements to test a website using jquery.get() ? [migrated]

  - by Frankie

  I am working on a simple website. It has to search quite a few text files in different sub-folders. The rest of the page uses jquery, so I would like to use it for this also. The function I am looking at is .get() for downloading the files. So my main question is, can I test this on my local computer (Ubuntu Linux) or do I have to have it uploaded to a server? Also, if there's a better way to go about this, that would be nice to know. However, I'm more worried about getting it working. Thanks, Frankie PS: Heres the JS/jQuery code for downloading the files to an array. g_lists = new Array(); $(":checkbox").each(function(i){ if ($(this).attr("name") != "0") { var path = "../" + $(this).attr("name") + ".txt"; $("#bot").append("<br />" + path); // debug $.get(path, function(data){ g_lists[i] = data; $("#bot").html(data); }); } else { g_lists[i] = ""; } }); Edit: Just a note about the path variable. I think it's correct, but I'm not 100% sure. I'm new to web development. Here's some examples it produces and the directory tree of the site. Maybe it will help, can't hurt. . +-- include ¦   +-- jquery.js ¦   +-- load.js +-- index.xhtml +-- style.css +-- txt    +-- Scripting_Tools    +-- Editors.txt    +-- Other.txt Examples of path: ../txt/Scripting_Tools/Editors.txt ../txt/Scripting_Tools/Other.txt Well I'm a new user, so I can't "answer" my own question, so I'll just post it here: After asking for help on a IRC chat channel specific to jQuery, I was told I could use this on a local host. To do this I installed Apache web server, and copied my site into it's directory. More information on setting it up can be found here: http://www.howtoforge.com/ubuntu_debian_lamp_server Then to run the site I navigated my browser to "localhost" and everything works.

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• How to deal with a CEO making all technical decision but with little technical knowledge ?

  - by anonymous

  Hi, Question posted anonymously for obvious reasons. I am working in a company with a dev group of 5-6 developers, and I am in a situation which I have a hard time dealing with. Every technical choice (language, framework, database, database scheme, configuration scheme, etc...) is decided by the CEO, often without much rationale. It is very hard to modify those choices, and his main argument consists in "I don't like this", even though we propose several alternative with detailed pros/cons. He will also decide to rewrite from scratch our core product without giving a reason why, and he never participates to dev meetings because he considers it makes things slower... I am already looking at alternative job opportunities, but I was wondering if there anything we (the developers) could do to improve the situation. Two examples which shocked me: he will ask us to implement something akin to configuration management, but he reject any existing framework because they are not written in the language he likes (even though the implementation language is irrelevant). He also expects us to be able to write those systems in a couple of days, "because it is very simple". he keeps rewriting from scratch on his own our core product because the current codebase is too bad (codebase whose design was his). We are at our third rewrite in one year, each rewrite worse than the previous one. Things I have tried so far is doing elaborate benchmarks on our product (he keeps complaining that our software is too slow, and justifies rewrites to make it faster), implement solutions with existing products as working proof instead of just making pros/cons charts, etc... But still 90 % of those efforts go to the trashbox (never with any kind of rationale behind he does not like it, again), and often get reprimanded because I don't do exactly as he wants (not realizing that what he wants is impossible).

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• chef apt_repository fetching fails

  - by slik

  I am trying to fetch a specific repository to install a php version but I keep getting 404 NOT FOUND. chef recipe code: apt_repository "dotdeb-php54" do uri "http://archives.dotdeb.org" distribution "squeeze" components ["php5/5.4.8"] key "http://www.dotdeb.org/dotdeb.gpg" end Trying to fetch : http://archives.dotdeb.org/dists/squeeze/php5/5.4.8 But get the following error : Err http://archives.dotdeb.org squeeze/php5/5.4.8 amd64 Packages 404 Not Found Hit http://security.ubuntu.com precise-security/main Translation-en Hit http://security.ubuntu.com precise-security/multiverse Translation-en Hit http://security.ubuntu.com precise-security/restricted Translation-en Err http://archives.dotdeb.org squeeze/php5/5.4.8 i386 Packages 404 Not Found Hit http://security.ubuntu.com precise-security/universe Translation-en Ign http://archives.dotdeb.org squeeze/php5/5.4.8 Translation-en STDERR: W: Failed to fetch http://archives.dotdeb.org/dists/squeeze/php5/5.4.8/binary-amd64/Packages 404 Not Found

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• Conditionnal relay in postfix

  - by Florent

  I use postfix to send direct email. But, I use a relay to send email for specific senders. So I use "sender_dependent_relayhost_maps" : /etc/postfix/main.cf : relayhost = transport_maps = hash:/etc/postfix/transport smtp_sender_dependent_authentication = yes sender_dependent_relayhost_maps = hash:/etc/postfix/sender_relay /etc/postfix/sender_relay : [email protected] smtp.relay.com So when I send an email with sender email "[email protected]", postfix will use the relay. But... I don't want to use the relay host for some recipient. ;) I think I must use "transport_map" to catch the email before it pass through "sender_dependent_relayhost_maps" but I don't know how to do it... Thanks

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• fsck: FILE SYSTEM WAS MODIFIED after each check with -c, why?

  - by Chris

  I use a script to partition and format CF cards (connected with a USB card writer) in an automated way. After the main process I check the card again with fsck. To check bad blocks I also tried the '-c' switch, but I always get a return value != 0 and the message "FILE SYSTEM WAS MODIFIED" (see below). I get the same result when checking the very same drive several times... Does anyone know why a) the file system is modified at all and b) why this seems to happen every time I check and not only in case of an error (like bad blocks)? Here's the output: linux-box# fsck.ext3 -c /dev/sdx1 e2fsck 1.40.2 (12-Jul-2007) Checking for bad blocks (read-only test): done Pass 1: Checking inodes, blocks, and sizes Pass 2: Checking directory structure Pass 3: Checking directory connectivity Pass 4: Checking reference counts Pass 5: Checking group summary information Volume (/dev/sdx1): ***** FILE SYSTEM WAS MODIFIED ***** Volume (/dev/sdx1): 5132/245760 files (1.2% non-contiguous), 178910/1959896 blocks

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• What do you wish language designers paid attention to?

  - by Berin Loritsch

  The purpose of this question is not to assemble a laundry list of programming language features that you can't live without, or wish was in your main language of choice. The purpose of this question is to bring to light corners of languge design most language designers might not think about. So, instead of thinking about language feature X, think a little more philisophically. One of my biases, and perhaps it might be controversial, is that the softer side of engineering--the whys and what fors--are many times more important than the more concrete side. For example, Ruby was designed with a stated goal of improving developer happiness. While your opinions may be mixed on whether it delivered or not, the fact that was a goal means that some of the choices in language design were influenced by that philosophy. Please do not post: Syntax flame wars (I could care less whether you use whitespace [Python], keywords [Ruby], or curly braces [Java, C/C++, et. al.] to denote program blocks). That's just an implementation detail. "Any language that doesn't have feature X doesn't deserve to exist" type comments. There is at least one reason for all programming languages to exist--good or bad. Please do post: Philisophical ideas that language designers seem to miss. Technical concepts that seem to be poorly implemented more often than not. Please do provide an example of the pain it causes and if you have any ideas of how you would prefer it to function. Things you wish were in the platform's common library but seldom are. One the same token, things that usually are in a common library that you wish were not. Conceptual features such as built in test/assertion/contract/error handling support that you wish all programming languages would implement properly--and define properly. My hope is that this will be a fun and stimulating topic.

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• GNOME/KDE Linux entirely in RAM?

  - by František Žiacik

  Hi. I'd like to have very responsive linux but I also like modern, elegant and functional desktops like gnome or kde, not the lightweight ones like xfce or lxde. Once I tried PuppyLinux and was impressed by the responsivity when I clicked an application. In my Ubuntu, it bothers me much when I click chromium and must wait 5 seconds of disk flashing until main window appears. Or evolution or anything else. Is it possible to make GNOME or KDE run entirely in RAM like PuppyLinux (of course, I mean frequently used applications and services, not all) if you have enough of it? I don't care if boot time is longer. I tried using "preload" but it didn't help much.

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• Memory compatibility?

  - by nvillec

  I'm in the process of building a PC intended mostly for gaming and I've got a few questions. Currently, I only have the motherboard and CPU: Motherboard: GIGABYTE GA-Z68AP-D3 CPU: Intel Core i3-2120 My main question is about memory compatibility. I have 4 Hynix 2GB HMT125U7BFR8C-G7 with light-moderate use laying around and I'd love to save a few bucks if I can. I've read that this is server memory... a) Will that be a problem for PC use? b) Is it compatible with the motherboard? I've emailed Hynix and checked Crucial to no avail. If incompatible, what memory would be a good fit given the components I have? The motherboard has 4 sockets and supports up to 32GB, but I don't know that I have the budget for that at the moment. Thanks!!

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• How to alter image pixels of a wild life bird?

  - by NoobScratcher

  Hello so I was hoping someone knew how to move or change color and position actual image pixels and could explain and show the code to do so. I know how to write pixels on a surface or screen-surface usigned int *ptr = static_cast <unsigned int *> (screen-pixels); int offset = y * (screen->pitch / sizeof(unsigned int)); ptr[offset + x] = color; But I don't know how to alter or manipulate a image pixel of a png image my thoughts on this was How do I get the values and locations of pixels and what do I have to write to make it happen? Then how do I actually change the values or locations of those gotten pixels and how do I make that happen? any ideas tip suggestions are also welcome! int main(int argc , char *argv[]) { SDL_Surface *Screen = SDL_SetVideoMode(640,480,32,SDL_SWSURFACE); SDL_Surface *Image; Image = IMG_Load("image.png"); bool done = false; SDL_Event event; while(!done) { SDL_FillRect(Screen,NULL,(0,0,0)); SDL_BlitSurface(Image,NULL,Screen,NULL); while(SDL_PollEvent(&event)) { switch(event.type) { case SDL_QUIT: return 0; break; } } SDL_Flip(Screen); } return 0; }

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• Need disc image help pronto!

  - by data

  I recently got a job as a junior network administrator. Last week the senior admins did their yearly reinstall of server 2003, exchange, drivers etc on the main server. I've been asked to back up the disc so that next year they can just copy over the pre-made image. What tools can i use to achieve both the creation of the entire servers HDD image and loading it back on (id like to test it in the sandbox.) To impress them, a program that is free is preferable. And maybe a tool that can do it all from booting the program off of a USB drive.

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• tdd is about design not verification what does it concretely mean?

  - by sigo

  I've been wondering about this. What do we exactly mean by design and verification. Should I just apply tdd to make sure my code is SOLID and not check is correct external behaviour ? Should I use Bdd for the correct behaviour part ? Where I get confused also is regarding TDD code katas, to me they looked like more about verification than design... shouldn't they be called bdd katas instead of tdd katas? I reckon that for example uncle bob bowling kata leads in the end to a simple and nice internal design but I felt that most of the process was more around vérification than design. Design seemed to be a side effect of testing incrementally the external behaviour. I didnt feel so much that we were focusing most of our efforts on design but more on vérification. While normally we are told the contrary, that in TDD, verification is a side effect, design is the main purpose. So my question is what should i focus exactly on when i do tdd: SOLID, external Api usability, what else...? And how can I do that without being focused on verification ? What do you guys focus your energy on when you are practicing TDD ?

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• external display in Ubuntu 13.04

  - by thuc2009

  I have had a look on series of similar topics but I could not find a right answer. Currently, I bought laptop Dell latitude E6530 and installed Ubuntu 13.04 (64 bit) alongside with Windows 7 (I could not get rid of it because of some special programs for work). Ubuntu worked well, however, it did not detect the external displays (Dell 23" and Dell 19") no matter I plugged them before or after booting. Edited: I connected my laptop to those external displays through a laptop dock. I went to Settings- Display, the displays were there, but when I enabled them, Ubuntu logged off automatically. No external display was detected. In addition, the laptop screen sometimes was detected as Dell 23" I got an advice from similar topic that nvidia driver should be updated to version 313 or 319. I upgraded driver and the unity launcher disappeared, main display resolution turned to 640*480 and none of external displays was detected. I tried to use additional drivers, but when I turned it on, it told me that there was no driver to be used. Could some one tell me what should I do ? Edited : options vmwgfx enable_fbdev=1

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