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• Wine is no longer able to initialize OpenGL

  - by nebukadnezzar

  Since a while, wine is no longer able to initialize OpenGL on my 64bit Linux. This is by no means a unique problem to me- Lots of people with nvidia cards running 64bit linux seem to have this problem with wine on oneiric: http://forum.winehq.org/viewtopic.php?p=66856&sid=9d6e5ad628ee6fb6e5ef04577275daed http://forum.pinguyos.com/Thread-Wine-OpenGl-Problem https://bbs.archlinux.org/viewtopic.php?id=137696 And while some launchpad bug reports say one should use this workaround: LD_PRELOAD=/usr/lib32/nvidia-current/libGL.so.1 wine <app> It unfortunately does not solve the problem at all for me; That is, if i'd run CS:S, the game will run just fine for a while, but will abort after some time, including a range of GLSL-related errors. Here the startup errors from simply running steam: + wine steam.exe fixme:process:GetLogicalProcessorInformation ((nil),0x33e488): stub [.. snip ...] fixme:dwmapi:DwmSetWindowAttribute (0x1009a, 3, 0x33d384, 4) stub fixme:dwmapi:DwmSetWindowAttribute (0x1009a, 4, 0x33d374, 4) stub err:wgl:is_extension_supported No OpenGL extensions found, check if your OpenGL setup is correct! err:wgl:is_extension_supported No OpenGL extensions found, check if your OpenGL setup is correct! err:wgl:is_extension_supported No OpenGL extensions found, check if your OpenGL setup is correct! [... this error is being reported a few dozen times, so snip again ...] err:wgl:is_extension_supported No OpenGL extensions found, check if your OpenGL setup is correct! err:wgl:is_extension_supported No OpenGL extensions found, check if your OpenGL setup is correct! err:wgl:is_extension_supported No OpenGL extensions found, check if your OpenGL setup is correct! err:wgl:is_extension_supported No OpenGL extensions found, check if your OpenGL setup is correct! fixme:iphlpapi:NotifyAddrChange (Handle 0x47cdba8, overlapped 0x45dba80): stub fixme:winsock:WSALookupServiceBeginW (0x47cdbc8 0x00000ff0 0x47cdbc4) Stub! [... snip ...] Here are the errors reported while running, and after running (because the log is huge-ish, it's pasted elsewhere): http://paste.ubuntu.com/901925/ Now, 32bit OpenGL works just fine; The 32bit executables of Nexuiz, for example, work just fine. That being said, I'm suspecting that this is a problem of wine itself. I've already manually built the git version of wine, to no avail. So what's going on? Is something broken? How do I check (correctly) whether something is broken? How do I solve this?

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• How to advertise (free) software?

  - by nebukadnezzar

  I'm not sure if this fits on SO, but other SE sites don't seem to fit either, so I understand when this question gets moved, Although I'd like to avoid getting it closed due to being offtopics, since I think that this question might fit, considering this part of the FAQ: Stack Overflow is for professional and enthusiast programmers, ... covers … a specific programming problem ... matters that are unique to the programming profession Sorry for the lengthy Introduction, though. When Software is advertised, it is usually Software for one (or more) specific purpose, such as: Mozilla Firefox - A Web Browser Ubuntu - An Operating System Python - A Programming Language Visual Studio - A Development Studio ... And so on. But when writing Libraries, that is, Software that doesn't necessarily serve one specific purpose, but instead multiple purposes, which are usually supposed to be used inside an application, such as: Irrlicht - A 3D Engine Qt - An Application Framework I'm a developer of the latter kind of Software, and I naturally want to advertise my Software. It's not commercial Software; It's not GPL either. It's completely free (Licensed under the MIT License :-)). I naturally host my stuff at github, which technically makes it very easy to access the software, and I thought that these might be possible options, although I have no experience with them: Submit the Software to Freshmeat, and hope for the best Submit the Software to Sourceforge, and hope someone accidently stumbles over it Write spammails, and get death threats via Mail ... But something tells me that these methods are probably not the best Methods. So, my final question would be, How does the Average Joe Hobby Programmer advertise his/her Software Library? Yes, I know this question is probably getting closed due to being Offtopic on SO. But maybe a move might be better instead.

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• Do we really need a thousand Linux distributions?

  - by nebukadnezzar

  Pointed from an answer to a (possibly related) question, I came across this graphic, and I'm shocked how many linux distributions currently exist. However, it seems that most of these distributions are forks of already popular distributions with minimal changes, usually limited to themes, wallpapers, buttons, the kind of stuff most people probably wouldn't see as a reason to fork a Linux distribution. Of course, someone will always say "Opensource is also about the freedom of choice", and while I wholeheartedly agree, I do not believe that this is a valid reason to fork an already perfectly working Distribution into a new one, which might possibly result in less security/stability due to smaller group of developers. There's another problem: Those, who want to switch to Linux, are confronted with a neverending list of Linux distributions, and wonder rightfully which they're supposed to chose (infact, I was facing that problem before I've discovered Ubuntu). There might be (very few) valid reasons to fork a distribution: Specializing on a particular topic (FOSS Only, work-related topic (i.e., for a Hospital), etc) An exceptional architecture, that requires a special set of software Use of non-FOSS, propietary technology, and such But even with these points in mind, it would still seem easier to create a subdistribution with the required changes, such as XUbuntu with XFCE4, KUbuntu with KDE4, Fluxbuntu with Fluxbox, etc. So, why exactly do we need so many distributions?

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• How to advertise (free) software?

  - by nebukadnezzar

  I'm not sure if this fits on SO, but other SE sites don't seem to fit either, so I understand when this question gets moved, Although I'd like to avoid getting it closed due to being offtopics, since I think that this question might fit, considering this part of the FAQ: Stack Overflow is for professional and enthusiast programmers, ... covers … a specific programming problem ... matters that are unique to the programming profession Sorry for the lengthy Introduction, though. When Software is advertised, it is usually Software for one (or more) specific purpose, such as: Mozilla Firefox - A Web Browser Ubuntu - An Operating System Python - A Programming Language Visual Studio - A Development Studio ... And so on. But when writing Libraries, that is, Software that doesn't necessarily serve one specific purpose, but instead multiple purposes, which are usually supposed to be used inside an application, such as: Irrlicht - A 3D Engine Qt - An Application Framework ... The process of advertisement gets a little more difficult. I'm a developer of the latter kind of Software, and I naturally want to advertise my Software. It's not commercial Software; It's not GPL either. It's completely free (Licensed under the MIT License :-)). I naturally host my stuff at github, which technically makes it very easy to access the software, and I thought that these might be possible options, although I have no experience with them: Submit the Software to Freshmeat, and hope for the best Submit the Software to Sourceforge, and hope someone accidently stumbles over it Write spammails, and get death threats via Mail ... But something tells me that these methods are probably not the best Methods. So, my final question would be, How does the Average Joe Hobby Programmer advertise his/her Software Library?

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• How did Ubuntu know my WPA Key?

  - by nebukadnezzar

  I've recently moved my /home to another computer (keeping all configuration files), with a fresh installation of Ubuntu 10.10. After Installation I've installed wicd and ndiswrapper, to get my Internet Connection up and running. However, after changing /etc/network/interfaces from auto lo iface lo inet loopback To auto wlan0 iface wlan0 inet dhcp and running sudo /etc/init.d/networking restart to get wlan0 set up, wicd just suddenly connected... to my modem. Without supplying any information about the modem whatsoever. Of course wicd creates a local directory at ~/.wicd/, but that directory is empty, and the temporary global configuration at /var/lib/wicd/configurations/ didn't exist due to fresh installation of ubuntu. So what's the deal? Where did wicd get the ESSID and the WPA Key? There hasn't been any activity in this question, but it's still open (and even worth some rep)!

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• Cannot type '^' (caret) in native KDE apps

  - by nebukadnezzar

  I cannot type the caret character '^' in native KDE apps, such as plasmoids, editors (Kate, KWrite), etc. It worked in previous (older) versions of KDE (3.5, I think). I believe it may be related to the fact that I'm using a keyboard with a german layout, however, it would seem farfetched - I can type the caret character just fine in non-KDE apps (such as chrome, firefox, etc). I tried switching keyboard layouts, but no cigar. What's going on? What do I have to change to get the caret character back?

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• Why have we got so many Linux distributions? [closed]

  - by nebukadnezzar

  Pointed to from an answer to another question, I came across this graphic, and I'm shocked how many linux distributions currently exist. However, it seems that most of these distributions are forks of already popular distributions with minimal changes, usually limited to themes, wallpapers and buttons. It would still seem easier to create a sub-distribution with the required changes, such as XUbuntu with XFCE4, KUbuntu with KDE4, Fluxbuntu with Fluxbox, etc. In my mind there are a number of problems with having so many distributions - perhaps less security/stability due to smaller group of developers, and also the confusingly vast range of choice for newcomers to Linux. Some reasons that developers might decide to fork are: Specializing on a particular topic (work-related topic - i.e. for a Hospital, etc) An exceptional architecture, that requires a special set of software Use of non-FOSS, proprietary technology, and such So what other reasons are there that have caused so many people decided to create their own distributions? What are the thought processes that have led to this? And are these "valid" reasons - do we need so many distributions? If you can back your experiences up with references that would be great.

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• Understanding the output of ldd

  - by nebukadnezzar

  I'm having a hard time understanding the output of ldd - Especially the processor identifiers. The string in question is this one: Shortest.so: ELF 32-bit LSB shared object, Intel 80386, version 1 (SYSV), dynamically linked, from ']', not stripped I have several questions about it: What does "ELF" mean? I know that's what Linux binaries are called like (Windows Binaries are called PE Binaries, "Portable Executable" Binaries), but isn't ELF an abbreviation for something? What does LSB mean? I can't even guess it... I see the string "Intel" there, now I seriously wonder about the portability of Linux binaries, as ldd seems to expect every binary to be compiled on a intel processor... but what if it wasn't compiled on a Intel processor? Or when I attempt to run the binary on a computer that doesn't run ontop of a Intel processor? Why the ']'? My guess is it should be some sort of Linker identify, but ']' doesn't look much like a Identifier... Thanks in advance

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• Pointless 'MIDL_INTERFACE' Macro in winapi?

  - by nebukadnezzar

  After browsing some old code, I noticed that some classes are defined in this manner: MIDL_INTERFACE("XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX") Classname: public IUnknown { /* classmembers ... */ }; However, the macro MIDL_INTERFACE is defined as: #define MIDL_INTERFACE(x) struct in C:/MinGW/include/rpcndr.h (somewhere around line 17). The macro itself is rather obviously entirely pointless, so what's the true purpose of this macro?

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• Debug Mode for CodeIgniter?

  - by nebukadnezzar

  Does CodeIgniter provide a Debug Mode, for example, when accessing an Invalid URL? Ruby on Rails does show debugging Messages when a incorrect URL has been given, and the controller is unable to resolve it using the routes map. How would I enable such debugging messages in CodeIgniter? The profiler ... $this->output->enable_profiler(TRUE); ... only affects single classes, but not all routes. So debugging without an actual debugger mode is a little... difficult. :-)

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• In what language was MSDOS originally written in?

  - by nebukadnezzar

  In what language was MSDOS originally written in? The Wikipedia Article implies either C, QBasic or Pascal, but: * C was invented to write UNIX, so I don't believe it was used to write MSDOS * Pascal seems popular to teach programming, but not really popular to write Operating systems in * QBasic didn't seem to be very popular for Operating Systems at the time MSDOS was developed (or was *BASIC ever very popular to write Operating Systems in it?) Except these three languages there is also Assembly, but I assume that Microsoft already switched from Assembly to a "higher" level language? Since C was originally invented for UNIX, I still wouldn't think Microsoft is using C... although the Microsoft API is written in C (I find this kind-of oxymoronic, actually). Can anyone enlighten me on this topic?

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• In what language was MSDOS originally written?

  - by nebukadnezzar

  In what language was MSDOS originally written in? The Wikipedia Article implies either C, QBasic or Pascal, but: C was invented to write UNIX, so I don't believe it was used to write MSDOS Pascal seems popular to teach programming, but not really popular to write Operating systems in QBasic didn't seem to be very popular for Operating Systems at the time MSDOS was developed (or was *BASIC ever very popular to write Operating Systems in it?) Except these three languages there is also Assembly, but I assume that Microsoft already switched from Assembly to a "higher" level language? Since C was originally invented for UNIX, I still wouldn't think Microsoft is using C... although the Microsoft API is written in C (I find this kind-of oxymoronic, actually). Can anyone enlighten me on this topic?

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• Is there something like a Filestorage class to store files in?

  - by nebukadnezzar

  Is there something like a class that might be used to store Files and directories in, just like the way Zip files might be used? Since I haven't found any "real" class to write Zip files (real class as in real class), It would be nice to be able to store Files and Directories in a container-like file. A perfect API would probably look like this: int main() { ContainerFile cntf("myContainer.cnt", ContainerFile::CREATE); cntf.addFile("data/some-interesting-stuff.txt"); cntf.addDirectory("data/foo/"); cntf.addDirectory("data/bar/", ContainerFile::RECURSIVE); cntf.close(); } ... I hope you get the Idea. Important Requirements are: The Library must be crossplatform anything *GPL is not acceptable in this case (MIT and BSD License are) I already played with the thought of creating an Implentation based on SQLite (and its ability to store binary blobs). Unfortunately, it seems impossible to store Directory structures in a SQLite Database, which makes it pretty much useless in this case. Is it useless to hope for such a class library?

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• Is there a Perl Syntax Highlighter (outputting to HTML) like PHP's GeSHi?

  - by nebukadnezzar

  Most PHP Developers are likely familar with the Syntax Highlighter called "GeSHi", which takes code, highlights it, with the use of HTML and CSS: include('geshi.php'); $source = 'echo "hello, world!"; $language = 'php'; $path = 'geshi/'; $geshi = new GeSHi($source, $language, $path); echo $geshi->parse_code(); GeSHi Supports a wide range of languages. I wonder, is there a similar Module for Perl?

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• What's a good way to write XML in C++?

  - by nebukadnezzar

  There are plenty of Libraries to parse XML, but it seems there aren't many good (?) ways to write XML in C++. Libraries I've been using so far: PugiXML: really lightweight, very straightforwarded API, but it seems to lack a way to write XML (Or I haven't found it yet) RapidXML: I don't have much experience with RapidXML; But it does look nice. TinyXML: I find it odd that the STL TinyXML needs to be explicitly "enabled" in TinyXML - I mean, if your compiler doesn't support the STL, get a better one! Anyway, to make my point clear, I have written a PHP Script that does what I plan to do in C++: http://codepad.org/RyhQSgcm I really appreciate any help!

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• Returning a reference from a Class member?

  - by nebukadnezzar

  Hi, I've a class that basically looks like this: class App { public function newTemplate($filename, $vars=array()) { $smarty = new Smarty; $smarty->compile_dir = $this->template_compile_path; if(count($vars) > 0) { foreach($vars as $v_key => $v_name) { $smarty->assign($v_key, $v_name); } } return $smarty; } } However, when I create a Instance of 'App', the reference to $smarty seems broken, as every call to the membermethods don't seem to do anything: $app = new App; $tpl = $app->newTemplate("index.tmpl"); $tpl->assign("foo", "bar"); // {$foo} does not appear with "bar" in the template Now I wonder why? Of course I tried to use references: ... public function &newTemplate() ... ... But that doesn't work. Variable references don't seem to work either: ... $tpl = &$app->newTemplate("index.tmpl"); ... What is causing PHP here not to return a proper reference? Help is very appreciated!

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