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• mod_cache not working

  - by Pistos

  I have a PHP site that has many dynamically generated pages. I'm trying to turn to mod_cache to help boost performance, because in most cases, content does not change in a given day. I have configured mod_cache as best I could, following examples around the web, including the mod_cache page on apache.org. When I set LogLevel debug, I see a bit of information about the caching that is [not] happening. There are plenty of pairs of lines like this: [Fri Jun 01 17:28:18 2012] [debug] mod_cache.c(141): Adding CACHE_SAVE filter for /foo/bar [Fri Jun 01 17:28:18 2012] [debug] mod_cache.c(148): Adding CACHE_REMOVE_URL filter for /foo/bar Which is fine, because I've set CacheEnable disk /foo, to indicate that I want everything under /foo cached. I'm new to mod_cache, but my understanding about these lines is that it just means that mod_cache has acknowledged that the URL is supposed to be cached, but there are supposed to be more lines indicating that it is saving the data to cache, and then later retrieving them on subsequent hits to the same URL. I can hit the same URL till I'm blue in the face, whether with F5 refreshing, or not, or with different browsers, or different computers. It's always that pair of lines that shows in the logs, and nothing else. When I set CacheEnable disk /, then I see more activity. But I don't want to cache the entire site, and there are many, many different subpaths to the site, so I don't want to have to modify code to set no-cache headers in all the necessary places. I'll mention that mod_rewrite is in use here, rewriting /foo/bar to something like index.php?baz=/foo/bar, but my understanding is that mod_cache uses the pre-rewrite URL, not the post-rewrite URL. As far as I can tell, I have the response headers not getting in the way of caching. Here's an example from one hit: Cache-Control:must-revalidate, max-age=3600 Connection:Keep-Alive Content-Encoding:gzip Content-Length:16790 Content-Type:text/html Date:Fri, 01 Jun 2012 21:43:09 GMT Expires:Fri, 1 Jun 2012 18:43:09 -0400 Keep-Alive:timeout=15, max=100 Pragma: Server:Apache Vary:Accept-Encoding mod_cache config is as follows: CacheRoot /var/cache/apache2/ CacheDirLevels 3 CacheDirLength 2 CacheEnable disk /foo What is getting in the way of mod_cache doing its job of caching?

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• Wrong CSS mime type with Roundcube 0.5 beta and nginx

  - by Julien Vehent

  I'm running into a CSS problem. This is a setup based on Debian Squeeze (nginx/0.7.67, php5/cgi) on which I installed the latest Roundcube 0.5 beta. PHP is properly processed, login works fine but the CSS files are not loaded and Firefox is throwing the following errors: Error: The stylesheet https://webmail.example.net:10443/roundcube/skins/default/common.css?s=1290600165 was not loaded because its MIME type, "text/html", is not "text/css". Source File: https://webmail.example.net:10443/roundcube/?_task=login Line: 0 Error: The stylesheet https://webmail.example.net:10443/roundcube/skins/default/mail.css?s=1290156319 was not loaded because its MIME type, "text/html", is not "text/css". Source File: https://webmail.example.net:10443/roundcube/?_task=login Line: 0 As far as I understand, nginx doesn't see the .css extension (because ofthe ?s= argument) and thus set the mime type with the default value, being text/html. Should I fix this in nginx (and how ?) or is it roundcube's related ? Edit: It seems that it's nginx related. The content-type isn't set for any other type than text/html. I had to include manually the following declarations to force CSS and JS content-types. That's ugly, and I never had the problem before... any idea ? location ~ \.css { add_header Content-Type text/css; } location ~ \.js { add_header Content-Type application/x-javascript; }

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• iptables port forward + nginx redirect problem

  - by easthero

  Here is my network browser = proxy(iptables port forward) = nginx server proxy: 192.168.10.204, forward 192.168.10.204:22080 to 192.168.10.10:80 nginx server: 192.168.10.10 nginx version:0.7.65 debian testing in nginx settings, I set: server_name _; server_name_in_redirect off; because my server has no domain now, access 192.168.10.10/index.html or 192.168.10.10/foobar is ok then access 192.168.10.204:22080/index.html is ok but access 192.168.10.204:22080/foobar, nginx 301 redirect to http://192.168.10.204/foobar how to fix? thanks telnet 192.168.10.204 22080 Trying 192.168.10.204... Connected to 192.168.10.204. Escape character is '^]'. GET /index.html HTTP/1.1 Host: 192.168.10.10 HTTP/1.1 200 OK Server: nginx/0.7.65 Date: Fri, 28 May 2010 10:07:29 GMT Content-Type: text/html Content-Length: 12 Last-Modified: Fri, 28 May 2010 07:25:12 GMT Connection: keep-alive Accept-Ranges: bytes hello world telnet 192.168.10.204 22080 Trying 192.168.10.204... Connected to 192.168.10.204. Escape character is '^]'. GET /test2 HTTP/1.1 Host: 192.168.10.10 HTTP/1.1 301 Moved Permanently Server: nginx/0.7.65 Date: Fri, 28 May 2010 10:04:20 GMT Content-Type: text/html Content-Length: 185 Location: http://192.168.10.10/test2/ Connection: keep-alive <html> <head><title>301 Moved Permanently</title></head> <body bgcolor="white"> <center><h1>301 Moved Permanently</h1></center> <hr><center>nginx/0.7.65</center> </body> </html>

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• How to force-restart a PC with vPro technology?

  - by Dan Nissenbaum

  I would like to know how to force-restart a PC that has crashed/hung and become completely non-responsive, using 2nd-generation vPro technology. Assume there is a second, fully responsive PC on the same LAN that can be accessed remotely to assist. Specifically, I am considering purchasing a PC with an i7-2860QM CPU, which is vPro-enabled (according to Intel). Here are two links that indicate it should be possible to force-restart a hung system with a 2nd-generation vPro-enabled CPU: Seconds 24-39 of What Is Intel vPro™ Technology? Page 17 (21 of the PDF) of Intel® vPro™ Technology: Reference Guide However, after extensive research, I cannot find a straightforward and trustworthy source of confirmation that this will actually work as I describe, or any documentation about how to set it up. I would appreciate both a reliable confirmation, and a source of documentation. This question is a follow-up to: Wake-on-LAN (WOL) fails after computer crashes (Windows 7 64-bit).

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• Use iPod Touch as Removable Drive

  - by Chris Dwyer

  Is there a way to enable disk usage on an 2nd generation iPod Touch without jail-breaking it?

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• Why is the server performance so poor? What can be done to improve the speed of the server?

  - by fslsyed

  Very slow processing using Windows Server2008 R2 Standard with Service Pack One. Situation: Read a text file using the text data to populate a series of MS Sql tables. The converted data is used to generate monthly PDF invoice files; the PDF files are saved directly to the hard drive. The application is multi-threading with one thread used for the text conversion and three threads for PDF invoice generation. The text conversion is occurring concurrently with the invoice generation. Application Software: C# using Microsoft Visual Studio 2010 Ultimate. Crystal Report Writer 2011 with runtime 13_0_3 64 bit version. Targeted platform is x64; also tested as x86, and Any CPU with similar results. Microsoft .NET Framework 4.0. Microsoft Sql 2008 Issue: The software is running very slowly. The conversion of the text file is approximately six hundred fifty records per second and generation of the PDF files is approximately twelve invoices per minute. The text file to be converted is six hundred Meg with seven thousand invoices to be generated. The software was installed on three different machines from the same distribution files. The same text file was converted on each machine. The user executing the application was an administrator on each machine. The only variances were the machine and operating system. The configurations are as follows: Server: Operating System: Windows Server2008 R2 Standard 64-bit (6.1, Build7601) SP1 Service Pack: System Manufacturer: IBM System Model: System x3550 M3-[7944AC1]- BIOS: Default System BIOS Processor: Intel® Xeon® CPU E5620@ 2.4GHz (16 CPUs) Memory: 16384MB Notebook: Operating System: Windows 7 Home Premium Standard 64-bit (6.1, Build7601) System Manufacturer: Hewlett-Packard System Model: HP Pavilion dv7 Notebook PC BIOS: Default System BIOS Processor: AMD Phenom II N640 Dual-Core Processor 2.9GHz (2 CPUs) Memory: 6144MB Desktop: Operating System: Windows 7 Professional 64-bit (6.1, Build7601) SP1 System Manufacturer: Dell Inc. System Model: OptiPlex 960 BIOS: Phoenix ROM BIOS PLUS Version 1.10 A11 Processor: Intel Core™2 Quad CPU Q9650 @3.00GHZ (4 CPUs) Memory: 16384MB Processing results per machine: The applications were executed seven times with the averages being displayed below. Machine Text Records Invoices Generated Converted Per Minute Per Minute Server (1) 650 12 Notebook 980 17 Desktop 2,100 45 (1) The server is dedicated to execution of this application; no additional applications are being executed. Question: Why is the server performance so poor? What can be done to improve the speed of the server?

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• Evernote from vim

  - by juanpablo

  I search a way to edit evernote notes from vim I begin with this #!/bin/bash evernoteDir="$HOME/Library/Application*Support/Evernote/data" dataDir=$(ls -trlh $evernoteDir| tail -n 1| awk '{print $NF}') contentDir="$evernoteDir/$dataDir/content" file=$(ls -trlh $contentDir | tail -n 1| awk '{print $NF}') vim -c 's/div>/div>\r/g' $contentDir/$file/content.html https://gist.github.com/1256416 or maybe create a vim plugin for this ... you have any suggestion? EDIT: for a more simple edition of the evernote note in html format, I make this vim function " Markup function {{{ fun! MkdToHtml() "{{{ " markdown to html silent! execute '%s/ $/<br\/>/g' silent! execute '%s/\*\*\(.*\)\*\*/<b>\1<\/b>/g' silent! execute '%s/\t*###\(.*\)/<H3>\1<\/H3>/g' endf "}}} command! -complete=command MkdToHtml call MkdToHtml() nn <silent> <leader>mm :MkdToHtml<CR> " }}} and a vim function for open the last note edited fun! LastEvernote() "{{{ " a better solution is with evernote api let evernoteDir=expand("$HOME")."/Library/Application*Support/Evernote/data" let dataDir=system("ls -trlh ".evernoteDir."| tail -n 1| awk '{print $NF}'") let contentDir=evernoteDir."/".dataDir."/content" let contentDir=substitute(contentDir,"\n","",'g') let note=system("ls -trlh ".contentDir." | tail -n 1| awk '{print $NF}'") let note=substitute(note,"\n","",'g') sil! exec 'sp '.contentDir.'/'.note.'/content.html' sil! exec '1s/>/>\r/g' sil! exec '%s/<br.*\/>/<br\/>\r/g' sil! exec '%s/<\//\r<\//g' sil! exec 'g/^\s*$/d' normal gg sil! exec '1,4fo' sil! exec '$-1,$fo' endf https://gist.github.com/1289727

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• Move the uploads folder in Wordpress

  - by Victor Hurdugaci

  Currently, my Wordpress' upload folder is located in \wp-content\uploads. Initially there was no structure so all files were put there. After a while it was changed to upload the files in \wp-content\uploads\YEAR\MONTH. Now that folder contains a mix of files (those starting with + are folders) like: +wp-content | +2010 | | +02 | | | File-1 | | | File-2 | | | .. | | | File-n | | +01 | | | File-1 | | | File-2 | | | .. | | | File-n | +2009 | | +12 | | | File-1 | | | File-2 | | | .. | | | File-n | | +11 | | | File-1 | | | File-2 | | | .. | | | File-n | +.. | | | .. | Unstructured-file-1 | Unstructured-file-2 | ... | Unstructured-file-n Based on the dates of the unstructured files, I would like to move them in a structured hierarchy (based on date, move it to a folder \wp-content\uploads\YEAR\MONTH). Now, my questions are: Where do I write and execute a script to the movement (I don't have full access to the server, just to a cPanel and to the Wordpress Admin page)? What must be updated so that the links in posts, that reference the unstructured files, point to the new location of those files? Not fully related to the previous description: is it alright to move the whole uploads folder to another location, like \uploads? PS: Moving the files/updating the database manually is not an option :)

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• Apache inflate application/ with mod_filter

  - by BGT

  I need to prevent pdf objects from being gzipped. Really, this only needs to take place if the request is from the Mozilla browser (but since I can't get something as seemingly simple as no-gzip for application/pdf, I figure it's wiser to start there). From looking at the apache documentation on mod_filter, I've got the following: <Location /> FilterDeclare gzipDeflate CONTENT_SET FilterDeclare gzipInflate CONTENT_SET FilterProvider gzipDeflate deflate req=User-Agent $Mozilla/ FilterProvider gzipInflate inflate resp=Content-Type $application/ FilterChain +gzipDeflate +gzipInflate </Location> From my testing, the gzipDeflate filter is doing its job and all the pages without the Content-Type starting with application are being gzipped. But, the gzipInflate doesn't seem to be working at all. I've inspected the response in Firebug and verified that the Content-Type being sent down is application/pdf. I'll go ahead and ask a potentially stupid question though: The response's Content-Type header in its entirety read "application/pdf; charset=Windows-1252". Does that make any sort of difference or is $application/ presumably enough to catch that? Any help is greatly appreciated. One other point, the URL that returns the pdf object does not have the .pdf extension. The pdf itself is stored in an Oracle database as a blob and appended to the page when appropriate (all the urls in the system use the same baseline). This was part of an original inquiry by a helpful member at stackoverflow who pointed me towards mod_filter and suggested I post the question here.

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• Provider claiming "all web servers in the cloud are automatically kept in sync" - should I be skeptical?

  - by RobMasters

  I'm no expert in cloud computing - I've spent a fair bit of time researching it and various providers but am yet to get any hands-on experience with it. From what I've read about AWS and auto-scaling EC2 instances though, it seems as though each instance should be completely decoupled from all other instances. i.e. If content is uploaded to the web server's local filesystem from a custom CMS backend then that content won't be available if subsequently requested from a different web server in the auto-scaling group. Is that right? I met with a representative of our existing hosting provider recently and he was claiming that it isn't a problem that our legacy CMS system is highly dependent on having a local filesystem. He said that all web servers, regardless of how many, would be kept as exact duplicates so I shouldn't notice any difference compared to our existing setup of a single dedicated server. This smells a little too much like bull fecal-matter to me...should I be skeptical about this? I'm a little worried because my (non-technical) boss who ultimately makes the decisions is all for signing up to this cloud solution because it won't require any extra work. I'm sure that they must at least be able to provide this, otherwise they wouldn't be attempting to sell it to us. But at what cost? It sounds as though each web server will always need to be checking the other web server(s) for new static content, which to me sounds like unwanted overhead that'll slow things down. I'd really appreciate it if somebody could clear this up to me. I'm all for switching to AWS and using S3+CloudFront for all static content, but that isn't looking very likely to happen at the moment.

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• Should I use nginx exclusively, or have it as a proxy to Tomcat (performance related)?

  - by Kevin

  I've planned to create a website that'll be pretty heavy on dynamic content, and want to know what would be the wisest choice for part of my webstack. Right now I'm trying to decide whether I should develop upon nginx, using PHP to deliver the dynamic content, or use nginx as a proxy to Tomcat and use servlets to deliver the dynamic content. I have a good amount of experience with Java, JSP, and servlets, so that's a plus right off the bat. Also, since it is a compiled language, it will execute faster than PHP (it is implied here that Java is around 37x faster than PHP) , and will create the web pages faster. I have no experience with PHP, however i'm under the impression that it is easy to pick up. It's slower than Java, but since the client will only be communicating with nginx, I'm thinking that serving the dynamically created web pages to the client will be faster this way. Considering these things, i'd like to know: Are my assumptions correct? Where does the bottleneck occur: creating pages or serving them back to the client? Will proxying Tomcat with nginx give me any of nginx performance benefits if I'm going to be using Tomcat to generate the dynamic content (keeping in mind my site is going to be heavy in this aspect)? I don't mind learning PHP if, in the end, its going to give me the best performance. I just want to know what would be the best choice from that standpoint.

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• hi, beginner issue with socat [closed]

  - by ams

  the main question is how to begin sending request to server with some data(send request with number) and get data from server?? and second question is how can i solve this simple question (author said) ? In this part, you should write a simple Shell script which receives URL of a website by sending your student number to a server and after creating and sending HTTP request for this URL, receives the desired content. Finally the content should be saved in an HTML file. Steps 1. Connect to port 4000 of the server and send the massage which includes your student number (e.g. 89207704) to the server. Receive the URL in the form of http://www.example.com. Create the HTTP request and send it to the website's server. Receive the content of the URL from the website. Save the content in the HTML file. what i can do? how i begin? thank u all the topology that exercise is speaking about is here Topology is here Is there any easy way to do this?

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• Fedora 16 Running Hot

  - by sdasdadas

  Since switching from Windows 7 to Fedora 16, my laptop has been running incredibly hot (by the air exhaust). The laptop is an Asus K73S. Running 'sensors', I receive: acpitz-virtual-0: 75.0 celsius nouveau-pci-0100: 66.0 celsius asus-isa-0000: 75.0 celsius The only CPU hog is Firefox at 30 - 40% on average. My GPU information (from lspci) is: Intel Corporation Xeon E3-1200/2nd Generation Core Process or Family Integrated Graphics Controller (rev 09). Running lspci | grep -i VGA, returns: 00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09) 01:00.0 VGA compatible controller: nVidia Corporation GF106 [GeForce GT 555M SDDR3] (rev a1) I don't notice a huge difference running without the battery, but it does seem a little cooler. Thanks!

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• Several web applications on a single port

  - by Nevermind

  We're developing an online browser-based game. The game itself is a plugin in the web page, that uses TCP connection to a game server, and also sends http requests to "content server" web application. This makes 3 servers total: the site itself, game server and content server. Site and content server are IIS web applications, game server is a custom application communicating over TCP with proprietary protocol. While the game is in beta stage, all these servers are physically hosted on a single machine, and distinguished by ports. For example, website is game.example.com:80, game server is game.example.com:34285 and content server is game.example.com:50000. This works OK most of the time, but some of our players have ports other than 80 closed. Is there any way to make all these application work through port 80, while still having them one one physical server? Maybe using different sub-domains? There's probably a way to make IIS forward requests to different web applications based on URL alone, but that doesn't help with game server. Edit Server is Windows Server 2008, IIS 7

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• Parallelism in .NET – Introduction

  - by Reed

  Parallel programming is something that every professional developer should understand, but is rarely discussed or taught in detail in a formal manner.  Software users are no longer content with applications that lock up the user interface regularly, or take large amounts of time to process data unnecessarily.  Modern development requires the use of parallelism.  There is no longer any excuses for us as developers. Learning to write parallel software is challenging.  It requires more than reading that one chapter on parallelism in our programming language book of choice… Today’s systems are no longer getting faster with each generation; in many cases, newer computers are actually slower than previous generation systems.  Modern hardware is shifting towards conservation of power, with processing scalability coming from having multiple computer cores, not faster and faster CPUs.  Our CPU frequencies no longer double on a regular basis, but Moore’s Law is still holding strong.  Now, however, instead of scaling transistors in order to make processors faster, hardware manufacturers are scaling the transistors in order to add more discrete hardware processing threads to the system. This changes how we should think about software.  In order to take advantage of modern systems, we need to redesign and rewrite our algorithms to work in parallel.  As with any design domain, it helps tremendously to have a common language, as well as a common set of patterns and tools. For .NET developers, this is an exciting time for parallel programming.  Version 4 of the .NET Framework is adding the Task Parallel Library.  This has been back-ported to .NET 3.5sp1 as part of the Reactive Extensions for .NET, and is available for use today in both .NET 3.5 and .NET 4.0 beta. In order to fully utilize the Task Parallel Library and parallelism, both in .NET 4 and previous versions, we need to understand the proper terminology.  For this series, I will provide an introduction to some of the basic concepts in parallelism, and relate them to the tools available in .NET.

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• Oracle Linux Delivers Top CPU Benchmark Results on Sun Blades

  - by sergio.leunissen

  From the Performance and Best Practices blog: Fresh SPEC CPU2006 results for Sun Blade X6275 M2 Server Modules running Oracle Linux 5.5. The highlights: The dual-node Sun Blade X6275 M2 server module, equipped with two Intel Xeon X5670 2.93 GHz processors per node and running the Oracle Enterprise Linux 5.5 operating system delivered the best SPECint_rate2006 and SPECfp_rate2006 benchmark results for all systems with Intel Xeon processor 5000 sequence. With a SPECint_rate2006 benchmark result of 679, the Sun Blade X6275 M2 server module, with two compute nodes per blade, delivers maximum performance for space constrained environments. Comparing Oracle's dual-node blade to HP's dual-node blade server, based on their single node performance, the Sun Blade X6275 M2 server module SPECfp_rate2006 score of 241 outperforms the best published HP ProLiant BL2X220c G5 server score by 3.2x. A single node of a Sun Blade X6275 M2 server module using 2.93 GHz Intel Xeon X5670 processors delivered 37% improvement in SPECint_rate2006 benchmark results and 22% improvement in SPECfp_rate2006 benchmark results compared to the previous generation Sun Blade X6275 server module. Both nodes of a Sun Blade X6275 M2 server module using 2.93 GHz Intel Xeon X5670 processors delivered 59% improvement on the SPECint_rate2006 benchmark and 40% improvement on the SPECfp_rate2006 benchmark compared to the previous generation Sun Blade X6275 server module.

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• Generate webservice proxy using oracle ant tasks

  - by adrian.muraru

  Proxy generation tends to be very slow when done using jdeveloper wizard and even more this time increases when jdeveloper is started over a remote desktop connection. So here's step-by-step howto that can be used to generate webservice proxy from your *nix shell Create a dir in your scratch area : e.g. /tmp/<username>/genproxy Get build.xml file attached, save it in the dir above and change the properties defined in it to match your ws endpoint. More specifically you need to edit: proxy.wsdl - the path (either locally or URL) where WSDL file can be accessed from proxy.handler - the handler class proxy.package - the class package where the proxy will be generated Start a new shell session (out of the ADE view if you're using one) and set the environment needed for proxy generation using ant and Oracle WebServicesAssembler genProxy [1] $ setenv ORACLE_HOME /opt/jdev_local/10.1.3/ $ setenv PATH $ORACLE_HOME/ant/bin:$PATH Note that the above env setup is needed even if you already have ORACLE_HOME set and ant utiliy available in your PATH. That way you'll be sure the proxy will be generated using the same libraries your jdeveloper is using in its wizard Generate proxy $ cd /tmp/<username>/genproxy $ ant genproxy And voila, the proxy files should be available in ./src directory. Notes: [1] More information about genProxy can be found at : http://download.oracle.com/docs/cd/B32110_01/web.1013/b28974/wsassemble.htm#CHDJJIEI [2] In my case this method is much faster then using the jdeveloper wizard (15secs compared to 25minutes) [3] There is one minor drawback though, the jdeveloper .proxy configuration file is not generated. -Adrian

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• InvalidProgramException Running Unit Test (Bug Closed)

  - by Anthony Trudeau

  In a previous post I reported an InvalidProgramException that occurs in a certain circumstance with unit tests involving accessors on a private generic method.  It turns out that Bug #635093 reported through Microsoft Connect will not be fixed. The reason cited is that private accessors have been discontinued.  And why have private accessors been discontinued?  They don't have time is the reason listed in the blog post titled "Generation of Private Accessors (Publicize) and Code Generation for Visual Studio 2010". In my opinion, it's a piss poor decision to discontinue support for a feature that they're still using within automatically generated unit tests against private classes and methods.  But, I think what is worse is the lack of guidance cited in the aforementioned blog post.  Their advice?  Use the PrivateObject to help, but develop your own framework. At the end of the day what Microsoft is saying is, "I know you spent a lot of money for this product.  I know that you don't have time to develop a framework to deal with this.  We don't have time and that is all that's important."

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• 2D Procedural Terrain with box2d Assets

  - by Alex

  I'm making a game that invloves a tire moving through terrain that is generated randomly over 1000 points. The terrain is always a downwards incline like so: The actual box2d terrain extends one screen width behind and infront of the circular character. I'm now at a stage where I need to add gameplay elements to the terrain such as chasms or physical objects (like the demo polygon in the picture) and am not sure of the best way to structure the procedural generation of the terrain and objects. I currently have a very simple for loop like so: for(int i = 0; i < kMaxHillPoints; i++) { hillKeyPoints[i] = CGPointMake(terrainX, terrainY); if(i%50 == 0) { i += [self generateCasmAtIndex:i]; } terrainX += winsize.width/20; terrainY -= random() % ((int) winsize.height/20); } With the generateCasmAtIndex function add points to the hillKeyPoints array and incrementing the for loop by the required amount. If I want to generate box2d objects as well for specific terrain elements, I'll also have to keep track of the current position of the player and have some sort of array of box2d objects that need to be created at certain locations. I am not sure of an efficient way to accomplish this procedural generation of terrain elements with accompanying box2d objects. My thoughts are: 1) Have many functions for each terrain element (chasm, jump etc.) which add elements to be drawn to an array that is check on each game step - similar to what I've shown above. 2) Create an array of terrain element objects that string together and are looped over to create the terrain and generate the box2d objects. Each object would hold an array of points to be drawn and and array of accompanying box2d objects. Any help on this is much appreciated as I cannot see a 'clean' solution.

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• Drivers for NVIDIA 520M not working in Ubuntu 12.04

  - by Don

  I am aware that this is nominally a duplicate question, however I've read the other questions and haven't been able to resolve my problem after many hours and attempts, so please don't delete it. Additionally, it seems like many answers to the other questions are specifically dependent on certain situations. My situation being different from the others I found represented, here's my question. Until last night, I had Ubuntu 12.04 installed with Wubi, and it ran ok, though slowly and with occasional hangs. So I partitioned the drive and installed 12.04 in its own partition. Now when I start it, I am stuck using 2D. I believe this is an NVIDIA bug. My NVIDIA card is a GT 520M and my machine has Optimus. Additional Drivers only displays my wireless driver. Going to System Settings Details Graphics shows Driver:Unknown, Experience:Standard. I downloaded the driver from the NVIDIA website, and ran the installer with no errors, except that the "distribution-provided pre-install script failed". After rebooting, my screen was stuck at 640X480, which was fixed by editing /etc/X11/xorg.conf However, I still was stuck in 2D, and nothing else had changed either. A thread suggested something called Bumblebee. I tried that, and when I ran optirun firefoxI got a frozen blank screen. Following another suggestion, I checked the BIOS to try and disable Optimus. I found and ran myriad other commands to try and fix the problem and nothing changed. Now I have just done a clean re-install of Ubuntu. From there, I: Installed all the updates Downloaded the NVIDIA driver Installed it Got screen stuck at 640X480, fixed in xorg.conf. To recap the problem: I can't get the NVIDIA drivers working I am stuck using 2D I'm an idiot I think if the first one is solved, the solution to the second will naturally follow. If you need me to provide any other information, I'd be happy to. From what I've seen in other threads, I think this information may help: lsmod: dh@donsMachine:~$ lsmod Module Size Used by nvidia 12353161 0 snd_hda_codec_hdmi 32474 1 snd_hda_codec_realtek 223867 1 joydev 17693 0 parport_pc 32866 0 ppdev 17113 0 rfcomm 47604 0 bnep 18281 2 bluetooth 180104 10 rfcomm,bnep snd_hda_intel 33773 3 snd_hda_codec 127706 3 snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_intel snd_hwdep 13668 1 snd_hda_codec snd_pcm 97188 3 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec uvcvideo 72627 0 videodev 98259 1 uvcvideo v4l2_compat_ioctl32 17128 1 videodev snd_seq_midi 13324 0 snd_rawmidi 30748 1 snd_seq_midi snd_seq_midi_event 14899 1 snd_seq_midi snd_seq 61896 2 snd_seq_midi,snd_seq_midi_event lib80211_crypt_tkip 17390 0 wl 2568210 0 lib80211 14381 2 lib80211_crypt_tkip,wl snd_timer 29990 2 snd_pcm,snd_seq snd_seq_device 14540 3 snd_seq_midi,snd_rawmidi,snd_seq snd 78855 16 snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_rawmidi,snd_seq,snd_timer,snd_seq_device psmouse 87692 0 serio_raw 13211 0 i915 468745 2 soundcore 15091 1 snd snd_page_alloc 18529 2 snd_hda_intel,snd_pcm drm_kms_helper 46978 1 i915 drm 242038 3 i915,drm_kms_helper mei 41616 0 i2c_algo_bit 13423 1 i915 mxm_wmi 12979 0 acer_wmi 28418 0 sparse_keymap 13890 1 acer_wmi video 19596 1 i915 wmi 19256 2 mxm_wmi,acer_wmi mac_hid 13253 0 lp 17799 0 parport 46562 3 parport_pc,ppdev,lp tg3 152032 0 sdhci_pci 18826 0 sdhci 33205 1 sdhci_pci lspci -nn | grep VGA dh@donsMachine:~$ lspci -nn | grep VGA 00:02.0 VGA compatible controller [0300]: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0116] (rev 09) 01:00.0 VGA compatible controller [0300]: NVIDIA Corporation Device [10de:0df7] (rev a1) lshw dh@donsMachine:~$ sudo lshw [sudo] password for dh: donsmachine description: Notebook product: EasyNote TS44HR () vendor: Packard Bell version: V1.12 serial: LXBWZ02017134209D71601 width: 64 bits capabilities: smbios-2.7 dmi-2.7 vsyscall32 configuration: boot=normal chassis=notebook uuid=16FE576B-CA15-11E0-B096-B870F4E51243 *-core description: Motherboard product: SJV50_HR vendor: Packard Bell physical id: 0 version: Base Board Version serial: Base Board Serial Number slot: Base Board Chassis Location *-firmware description: BIOS vendor: Packard Bell physical id: 0 version: V1.12 date: 07/11/2011 size: 1MiB capacity: 2496KiB capabilities: pci upgrade shadowing cdboot bootselect edd int13floppynec int13floppytoshiba int13floppy360 int13floppy1200 int13floppy720 int13floppy2880 int9keyboard int10video acpi usb biosbootspecification *-memory description: System Memory physical id: 1b slot: System board or motherboard size: 4GiB *-bank:0 description: SODIMM DDR3 Synchronous 1333 MHz (0.8 ns) product: NT2GC64B88B0NS-CG vendor: Nanya Technology physical id: 0 serial: 598E126E slot: ChannelA-DIMM0 size: 2GiB width: 64 bits clock: 1333MHz (0.8ns) *-bank:1 description: DIMM [empty] physical id: 1 slot: ChannelA-DIMM1 *-bank:2 description: SODIMM DDR3 Synchronous 1333 MHz (0.8 ns) product: NT2GC64B88B0NS-CG vendor: Nanya Technology physical id: 2 serial: 159E126C slot: ChannelB-DIMM0 size: 2GiB width: 64 bits clock: 1333MHz (0.8ns) *-bank:3 description: DIMM [empty] physical id: 3 slot: ChannelB-DIMM1 *-cpu description: CPU product: Intel(R) Core(TM) i3-2330M CPU @ 2.20GHz vendor: Intel Corp. physical id: 2e bus info: cpu@0 version: Intel(R) Core(TM) i3-2330M CPU @ 2.20GHz slot: CPU1 size: 2GHz capacity: 4GHz width: 64 bits clock: 1333MHz capabilities: x86-64 fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer xsave avx lahf_lm arat epb xsaveopt pln pts tpr_shadow vnmi flexpriority ept vpid cpufreq configuration: cores=2 enabledcores=2 threads=4 *-cache:0 description: L1 cache physical id: 30 slot: L1 Cache size: 32KiB capacity: 32KiB capabilities: synchronous internal write-through instruction *-cache:1 description: L2 cache physical id: 31 slot: L2 Cache size: 256KiB capacity: 256KiB capabilities: synchronous internal write-through unified *-cache:2 description: L3 cache physical id: 32 slot: L3 Cache size: 3MiB capacity: 3MiB capabilities: synchronous internal write-through unified *-cache description: L1 cache physical id: 2f slot: L1 Cache size: 32KiB capacity: 32KiB capabilities: synchronous internal write-through data *-pci description: Host bridge product: 2nd Generation Core Processor Family DRAM Controller vendor: Intel Corporation physical id: 100 bus info: pci@0000:00:00.0 version: 09 width: 32 bits clock: 33MHz configuration: driver=agpgart-intel resources: irq:0 *-pci:0 description: PCI bridge product: Xeon E3-1200/2nd Generation Core Processor Family PCI Express Root Port vendor: Intel Corporation physical id: 1 bus info: pci@0000:00:01.0 version: 09 width: 32 bits clock: 33MHz capabilities: pci pm msi pciexpress normal_decode bus_master cap_list configuration: driver=pcieport resources: irq:40 ioport:2000(size=4096) memory:d0000000-d10fffff ioport:a0000000(size=301989888) *-display description: VGA compatible controller product: NVIDIA Corporation vendor: NVIDIA Corporation physical id: 0 bus info: pci@0000:01:00.0 version: a1 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress vga_controller bus_master cap_list rom configuration: driver=nvidia latency=0 resources: irq:16 memory:d0000000-d0ffffff memory:a0000000-afffffff memory:b0000000-b1ffffff ioport:2000(size=128) memory:d1000000-d107ffff *-display description: VGA compatible controller product: 2nd Generation Core Processor Family Integrated Graphics Controller vendor: Intel Corporation physical id: 2 bus info: pci@0000:00:02.0 version: 09 width: 64 bits clock: 33MHz capabilities: msi pm vga_controller bus_master cap_list rom configuration: driver=i915 latency=0 resources: irq:43 memory:d1400000-d17fffff memory:c0000000-cfffffff ioport:3000(size=64) *-communication description: Communication controller product: 6 Series/C200 Series Chipset Family MEI Controller #1 vendor: Intel Corporation physical id: 16 bus info: pci@0000:00:16.0 version: 04 width: 64 bits clock: 33MHz capabilities: pm msi bus_master cap_list configuration: driver=mei latency=0 resources: irq:42 memory:d1a04000-d1a0400f *-usb:0 description: USB controller product: 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 vendor: Intel Corporation physical id: 1a bus info: pci@0000:00:1a.0 version: 04 width: 32 bits clock: 33MHz capabilities: pm debug ehci bus_master cap_list configuration: driver=ehci_hcd latency=0 resources: irq:16 memory:d1a0a000-d1a0a3ff *-multimedia description: Audio device product: 6 Series/C200 Series Chipset Family High Definition Audio Controller vendor: Intel Corporation physical id: 1b bus info: pci@0000:00:1b.0 version: 04 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list configuration: driver=snd_hda_intel latency=0 resources: irq:44 memory:d1a00000-d1a03fff *-pci:1 description: PCI bridge product: 6 Series/C200 Series Chipset Family PCI Express Root Port 1 vendor: Intel Corporation physical id: 1c bus info: pci@0000:00:1c.0 version: b4 width: 32 bits clock: 33MHz capabilities: pci pciexpress msi pm normal_decode bus_master cap_list configuration: driver=pcieport resources: irq:17 memory:9fb00000-9fbfffff ioport:d1800000(size=1048576) *-network description: Ethernet interface product: NetLink BCM57785 Gigabit Ethernet PCIe vendor: Broadcom Corporation physical id: 0 bus info: pci@0000:02:00.0 logical name: eth0 version: 10 serial: b8:70:f4:e5:12:43 capacity: 1Gbit/s width: 64 bits clock: 33MHz capabilities: pm msi msix pciexpress bus_master cap_list rom ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=tg3 driverversion=3.121 firmware=sb latency=0 link=no multicast=yes port=twisted pair resources: irq:16 memory:d1830000-d183ffff memory:d1840000-d184ffff memory:d1850000-d18507ff *-generic:0 description: SD Host controller product: NetXtreme BCM57765 Memory Card Reader vendor: Broadcom Corporation physical id: 0.1 bus info: pci@0000:02:00.1 version: 10 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list configuration: driver=sdhci-pci latency=0 resources: irq:17 memory:d1800000-d180ffff *-generic:1 UNCLAIMED description: System peripheral product: Broadcom Corporation vendor: Broadcom Corporation physical id: 0.2 bus info: pci@0000:02:00.2 version: 10 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list configuration: latency=0 resources: memory:d1810000-d181ffff *-generic:2 UNCLAIMED description: System peripheral product: Broadcom Corporation vendor: Broadcom Corporation physical id: 0.3 bus info: pci@0000:02:00.3 version: 10 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list configuration: latency=0 resources: memory:d1820000-d182ffff *-pci:2 description: PCI bridge product: 6 Series/C200 Series Chipset Family PCI Express Root Port 2 vendor: Intel Corporation physical id: 1c.1 bus info: pci@0000:00:1c.1 version: b4 width: 32 bits clock: 33MHz capabilities: pci pciexpress msi pm normal_decode bus_master cap_list configuration: driver=pcieport resources: irq:16 memory:d1900000-d19fffff *-network description: Wireless interface product: BCM43225 802.11b/g/n vendor: Broadcom Corporation physical id: 0 bus info: pci@0000:03:00.0 logical name: eth1 version: 01 serial: 68:a3:c4:44:81:96 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless configuration: broadcast=yes driver=wl0 driverversion=5.100.82.38 ip=192.168.0.12 latency=0 multicast=yes wireless=IEEE 802.11bgn resources: irq:17 memory:d1900000-d1903fff *-usb:1 description: USB controller product: 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 vendor: Intel Corporation physical id: 1d bus info: pci@0000:00:1d.0 version: 04 width: 32 bits clock: 33MHz capabilities: pm debug ehci bus_master cap_list configuration: driver=ehci_hcd latency=0 resources: irq:23 memory:d1a09000-d1a093ff *-isa description: ISA bridge product: HM65 Express Chipset Family LPC Controller vendor: Intel Corporation physical id: 1f bus info: pci@0000:00:1f.0 version: 04 width: 32 bits clock: 33MHz capabilities: isa bus_master cap_list configuration: latency=0 *-storage description: SATA controller product: 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller vendor: Intel Corporation physical id: 1f.2 bus info: pci@0000:00:1f.2 logical name: scsi0 logical name: scsi1 version: 04 width: 32 bits clock: 66MHz capabilities: storage msi pm ahci_1.0 bus_master cap_list emulated configuration: driver=ahci latency=0 resources: irq:41 ioport:3098(size=8) ioport:30bc(size=4) ioport:3090(size=8) ioport:30b8(size=4) ioport:3060(size=32) memory:d1a08000-d1a087ff *-disk description: ATA Disk product: ST9500325AS vendor: Seagate physical id: 0 bus info: scsi@0:0.0.0 logical name: /dev/sda version: 0001 serial: S2W1AMSX size: 465GiB (500GB) capabilities: partitioned partitioned:dos configuration: ansiversion=5 signature=a45f21e9 *-volume:0 description: Windows NTFS volume physical id: 1 bus info: scsi@0:0.0.0,1 logical name: /dev/sda1 version: 3.1 serial: 46aa-2a25 size: 19GiB capacity: 20GiB capabilities: primary ntfs initialized configuration: clustersize=4096 created=2011-08-25 21:32:00 filesystem=ntfs label=PQSERVICE state=clean *-volume:1 description: Windows NTFS volume physical id: 2 bus info: scsi@0:0.0.0,2 logical name: /dev/sda2 version: 3.1 serial: 10aa-ad1a size: 98MiB capacity: 100MiB capabilities: primary bootable ntfs initialized configuration: clustersize=4096 created=2011-08-25 21:32:03 filesystem=ntfs label=SYSTEM RESERVED state=clean *-volume:2 description: Windows NTFS volume physical id: 3 bus info: scsi@0:0.0.0,3 logical name: /dev/sda3 version: 3.1 serial: 668c5afc-182e-ff4b-b084-3cc09f54972d size: 395GiB capacity: 395GiB capabilities: primary ntfs initialized configuration: clustersize=4096 created=2011-08-25 21:32:03 filesystem=ntfs label=Don's Machine state=clean *-volume:3 description: Extended partition physical id: 4 bus info: scsi@0:0.0.0,4 logical name: /dev/sda4 size: 49GiB capacity: 49GiB capabilities: primary extended partitioned partitioned:extended *-logicalvolume:0 description: Linux swap / Solaris partition physical id: 5 logical name: /dev/sda5 capacity: 3945MiB capabilities: nofs *-logicalvolume:1 description: Linux filesystem partition physical id: 6 logical name: /dev/sda6 logical name: / capacity: 46GiB configuration: mount.fstype=ext4 mount.options=rw,relatime,errors=remount-ro,user_xattr,barrier=1,data=ordered state=mounted *-cdrom description: DVD-RAM writer product: DVD-RW DVRTD11RS vendor: PIONEER physical id: 1 bus info: scsi@1:0.0.0 logical name: /dev/cdrom logical name: /dev/cdrw logical name: /dev/dvd logical name: /dev/dvdrw logical name: /dev/sr0 version: 1.01 capabilities: removable audio cd-r cd-rw dvd dvd-r dvd-ram configuration: ansiversion=5 status=nodisc *-serial UNCLAIMED description: SMBus product: 6 Series/C200 Series Chipset Family SMBus Controller vendor: Intel Corporation physical id: 1f.3 bus info: pci@0000:00:1f.3 version: 04 width: 64 bits clock: 33MHz configuration: latency=0 resources: memory:d1a06000-d1a060ff ioport:3040(size=32) *-power UNCLAIMED description: OEM_Define1 product: OEM_Define5 vendor: OEM_Define2 physical id: 1 version: OEM_Define6 serial: OEM_Define3 capacity: 75mWh *-battery description: Lithium Ion Battery product: CRB Battery 0 vendor: -Virtual Battery 0- physical id: 2 version: 10/12/2007 serial: Battery 0 slot: Fake

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• Is meta description still relevant?

  - by Jeff Atwood

  I received this bit of advice about the meta description tag recently: Meta descriptions are used by Google probably 80% of the time for the snippet. They don’t help with rankings but you should probably use them. You could just auto generate them from the first part of the question. The description tag exists in the header, like so: <meta name="Description" content="A brief summary of the content on the page."> I'm not sure why we would need this field, as Google seems perfectly capable of showing the relevant search terms in context in the search result pages, like so (I searched for c# list performance): In other words, where would a meta description summary improve these results? We want the page to show context around the actual search hits, not a random summary we inserted! Google Webmaster Central has this advice: For some sites, like news media sources, generating an accurate and unique description for each page is easy: since each article is hand-written, it takes minimal effort to also add a one-sentence description. For larger database-driven sites, like product aggregators, hand-written descriptions are more difficult. In the latter case, though, programmatic generation of the descriptions can be appropriate and is encouraged -- just make sure that your descriptions are not "spammy." Good descriptions are human-readable and diverse, as we talked about in the first point above. The page-specific data we mentioned in the second point is a good candidate for programmatic generation. I'm struggling to think of any scenario when I would want the Google-generated summary, that is, actual context from the page for the search terms, to be replaced by a hard-coded meta description summary of the question itself.

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• Thank You MySQL Community! MySQL 5.6.9 Release Candidate Available Now!

  - by Rob Young

  The MySQL Community continues its good work in testing and refining MySQL 5.6, and as such the next iteration of the 5.6 Release Candidate is now available for download.  You can get MySQL 5.6.9 here (look under the "Development Releases" tab).  This version is the result of feedback we have gotten since MySQL 5.6.7 was announced at MySQL Connect in late September. As iron sharpens iron, Community feedback sharpens the quality and performance of MySQL so please download 5.6.9 and let us know how we can improve it as we move toward the production-ready product release in early 2013. MySQL 5.6 is designed to meet the agility demands of the next generation of web apps and services and includes across the board improvements to the Optimizer, InnoDB performance/scale and online DDL operations, self-healing Replication, Performance Schema Instrumentation, Security and developer enabling NoSQL functionality.  You can learn all the details and follow MySQL Engineering blogs on all of the key features in this MySQL DevZone article. On a related note, plan to join this week's live webinars to learn more about MySQL 5.6 Self-Healing Replication Clusters and Building the Next Generation of Web, Cloud, SaaS, Embedded Application and Services with MySQL 5.6.  Hurry!  Seating is limited!  As always, thanks for your continued support of MySQL!

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• Why Wifi no longer works 12.04.1

  - by Roger

  starting this morning over wifi (Realtek RTL8188CE) on CLEVO W253HU. May be due to the update before yesterday, more pilot managed, but somehow it worked yesterday. If someone has an idea of the problem. Back command lines: cat /etc/lsb-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=12.04 DISTRIB_CODENAME=precise DISTRIB_DESCRIPTION="Ubuntu 12.04.1 LTS" lsusb Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 006: ID 192f:0416 Avago Technologies, Pte. Bus 002 Device 004: ID 5986:0315 Acer, Inc lspci 00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family DRAM Controller (rev 09) 00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09) 00:16.0 Communication controller: Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 (rev 04) 00:1a.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 (rev 05) 00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 05) 00:1c.0 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 (rev b5) 00:1c.2 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 3 (rev b5) 00:1c.3 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 4 (rev b5) 00:1d.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 (rev 05) 00:1f.0 ISA bridge: Intel Corporation HM65 Express Chipset Family LPC Controller (rev 05) 00:1f.2 SATA controller: Intel Corporation 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller (rev 05) 00:1f.3 SMBus: Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller (rev 05) 02:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8188CE 802.11b/g/n WiFi Adapter (rev 01) 03:00.0 Ethernet controller: JMicron Technology Corp. JMC250 PCI Express Gigabit Ethernet Controller (rev 05) 03:00.1 System peripheral: JMicron Technology Corp. SD/MMC Host Controller (rev 90) 03:00.2 SD Host controller: JMicron Technology Corp. Standard SD Host Controller (rev 90) 03:00.3 System peripheral: JMicron Technology Corp. MS Host Controller (rev 90) lspci -nn | grep -i net 02:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8188CE 802.11b/g/n WiFi Adapter [10ec:8176] (rev 01) 03:00.0 Ethernet controller [0200]: JMicron Technology Corp. JMC250 PCI Express Gigabit Ethernet Controller [197b:0250] (rev 05) lspci -k 00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family DRAM Controller (rev 09) Subsystem: CLEVO/KAPOK Computer Device 4140 Kernel driver in use: agpgart-intel 00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09) Subsystem: CLEVO/KAPOK Computer Device 4140 Kernel driver in use: i915 Kernel modules: i915 00:16.0 Communication controller: Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 (rev 04) Subsystem: CLEVO/KAPOK Computer Device 4140 Kernel driver in use: mei Kernel modules: mei 00:1a.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 (rev 05) Subsystem: CLEVO/KAPOK Computer Device 4140 Kernel driver in use: ehci_hcd 00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 05) Subsystem: CLEVO/KAPOK Computer Device 4140 Kernel driver in use: snd_hda_intel Kernel modules: snd-hda-intel 00:1c.0 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 (rev b5) Kernel driver in use: pcieport Kernel modules: shpchp 00:1c.2 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 3 (rev b5) Kernel driver in use: pcieport Kernel modules: shpchp 00:1c.3 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 4 (rev b5) Kernel driver in use: pcieport Kernel modules: shpchp 00:1d.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 (rev 05) Subsystem: CLEVO/KAPOK Computer Device 4140 Kernel driver in use: ehci_hcd 00:1f.0 ISA bridge: Intel Corporation HM65 Express Chipset Family LPC Controller (rev 05) Subsystem: CLEVO/KAPOK Computer Device 4140 Kernel modules: iTCO_wdt 00:1f.2 SATA controller: Intel Corporation 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller (rev 05) Subsystem: CLEVO/KAPOK Computer Device 4140 Kernel driver in use: ahci 00:1f.3 SMBus: Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller (rev 05) Subsystem: CLEVO/KAPOK Computer Device 4140 Kernel modules: i2c-i801 02:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8188CE 802.11b/g/n WiFi Adapter (rev 01) Subsystem: Realtek Semiconductor Co., Ltd. Device 9196 Kernel modules: rtl8192ce 03:00.0 Ethernet controller: JMicron Technology Corp. JMC250 PCI Express Gigabit Ethernet Controller (rev 05) Subsystem: CLEVO/KAPOK Computer Device 4140 Kernel driver in use: jme Kernel modules: jme 03:00.1 System peripheral: JMicron Technology Corp. SD/MMC Host Controller (rev 90) Subsystem: CLEVO/KAPOK Computer Device 4140 Kernel driver in use: sdhci-pci Kernel modules: sdhci-pci 03:00.2 SD Host controller: JMicron Technology Corp. Standard SD Host Controller (rev 90) Subsystem: CLEVO/KAPOK Computer Device 4140 Kernel modules: sdhci-pci 03:00.3 System peripheral: JMicron Technology Corp. MS Host Controller (rev 90) Subsystem: CLEVO/KAPOK Computer Device 4140 Kernel driver in use: jmb38x_ms Kernel modules: jmb38x_ms sudo lshw -C network *-network NON-RÉCLAMÉ description: Network controller produit: RTL8188CE 802.11b/g/n WiFi Adapter fabriquant: Realtek Semiconductor Co., Ltd. identifiant matériel: 0 information bus: pci@0000:02:00.0 version: 01 bits: 64 bits horloge: 33MHz fonctionnalités: pm msi pciexpress cap_list configuration: latency=0 ressources: portE/S:e000(taille=256) mémoire:f7d00000-f7d03fff *-network description: Ethernet interface produit: JMC250 PCI Express Gigabit Ethernet Controller fabriquant: JMicron Technology Corp. identifiant matériel: 0 information bus: pci@0000:03:00.0 nom logique: eth0 version: 05 numéro de série: 00:90:f5:c1:c6:45 taille: 100Mbit/s capacité: 1Gbit/s bits: 32 bits horloge: 33MHz fonctionnalités: pm pciexpress msix msi bus_master cap_list rom ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=jme driverversion=1.0.8 duplex=full ip=192.168.1.54 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s ressources: irq:44 mémoire:f7c20000-f7c23fff portE/S:d100(taille=128) portE/S:d000(taille=256) mémoire:f7c10000-f7c1ffff mémoire:f7c00000-f7c0ffff lsmod Module Size Used by btusb 18288 0 rfcomm 47604 0 bnep 18281 2 bluetooth 180104 11 btusb,rfcomm,bnep parport_pc 32866 0 ppdev 17113 0 binfmt_misc 17540 1 snd_hda_codec_realtek 224173 0 dm_crypt 23125 0 snd_hda_codec_hdmi 32474 0 uvcvideo 72627 0 videodev 98259 1 uvcvideo v4l2_compat_ioctl32 17128 1 videodev snd_hda_intel 33773 2 snd_hda_codec 127706 3 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_intel snd_hwdep 13668 1 snd_hda_codec snd_pcm 97188 3 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec snd_seq_midi 13324 0 snd_rawmidi 30748 1 snd_seq_midi jmb38x_ms 17646 0 psmouse 87692 0 serio_raw 13211 0 memstick 16569 1 jmb38x_ms snd_seq_midi_event 14899 1 snd_seq_midi rtl8192ce 84826 0 rtl8192c_common 75767 1 rtl8192ce rtlwifi 111202 1 rtl8192ce snd_seq 61896 2 snd_seq_midi,snd_seq_midi_event snd_timer 29990 2 snd_pcm,snd_seq snd_seq_device 14540 3 snd_seq_midi,snd_rawmidi,snd_seq mac80211 506816 3 rtl8192ce,rtl8192c_common,rtlwifi mac_hid 13253 0 snd 78855 14 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_rawmidi,snd_seq,snd_timer,snd_seq_device cfg80211 205544 2 rtlwifi,mac80211 soundcore 15091 1 snd snd_page_alloc 18529 2 snd_hda_intel,snd_pcm mei 41616 0 lp 17799 0 parport 46562 3 parport_pc,ppdev,lp usbhid 47199 0 hid 99559 1 usbhid i915 473035 3 drm_kms_helper 46978 1 i915 drm 242038 4 i915,drm_kms_helper jme 41259 0 i2c_algo_bit 13423 1 i915 sdhci_pci 18826 0 sdhci 33205 1 sdhci_pci wmi 19256 0 video 19596 1 i915 iwconfig lo no wireless extensions. eth0 no wireless extensions. ifconfig eth0 Link encap:Ethernet HWaddr 00:90:f5:c1:c6:45 inet adr:192.168.1.54 Bcast:192.168.1.255 Masque:255.255.255.0 adr inet6: fe80::290:f5ff:fec1:c645/64 Scope:Lien UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 Packets reçus:4513 erreurs:0 :0 overruns:0 frame:0 TX packets:4359 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 lg file transmission:1000 Octets reçus:3471675 (3.4 MB) Octets transmis:712722 (712.7 KB) Interruption:44 lo Link encap:Boucle locale inet adr:127.0.0.1 Masque:255.0.0.0 adr inet6: ::1/128 Scope:Hôte UP LOOPBACK RUNNING MTU:16436 Metric:1 Packets reçus:686 erreurs:0 :0 overruns:0 frame:0 TX packets:686 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 lg file transmission:0 Octets reçus:64556 (64.5 KB) Octets transmis:64556 (64.5 KB) sudo iwlist scan lo Interface doesn't support scanning. eth0 Interface doesn't support scanning. uname -r -m 3.2.0-30-generic x86_64 cat /etc/network/interfaces auto lo iface lo inet loopback nm-tool NetworkManager Tool State: connected (global) - Device: eth0 [Connexion filaire 1] ------------------------------------------ Type: Wired Driver: jme State: connected Default: yes HW Address: 00:90:F5:C1:C6:45 Capabilities: Carrier Detect: yes Speed: 100 Mb/s Wired Properties Carrier: on IPv4 Settings: Address: 192.168.1.54 Prefix: 24 (255.255.255.0) Gateway: 192.168.1.1 DNS: 192.168.1.1 sudo rfkill listrfkill list 1: hci0: Bluetooth Soft blocked: no Hard blocked: no The absence of line "Kernel driver in use:" the return of lspci-k made ??me think that it is not loaded yet but he seems to be. lsmod | grep rtl8192ce rtl8192ce 137478 0 rtlwifi 118749 1 rtl8192ce mac80211 506816 2 rtl8192ce,rtlwifi I found something disturbing in / var / log / syslog Sep 14 11:40:11 pcroger kernel: [ 64.048783] rtl8192ce-0:rtl92c_init_sw_vars():<0-0> Failed to request firmware! Sep 14 11:40:11 pcroger kernel: [ 64.048795] rtlwifi-0:rtl_pci_probe():<0-0> Can't init_sw_vars. Sep 14 11:40:11 pcroger kernel: [ 64.048835] rtl8192ce 0000:02:00.0: PCI INT A disabled Sep 14 11:40:11 pcroger kernel: [ 64.943345] ata1.00: exception Emask 0x0 SAct 0x7fffffff SErr 0x0 action 0x6 frozen Sep 14 11:40:11 pcroger kernel: [ 64.943358] ata1.00: failed command: READ FPDMA QUEUED Sep 14 11:40:11 pcroger kernel: [ 64.943371] ata1.00: cmd 60/00:00:00:68:6a/04:00:0b:00:00/40 tag 0 ncq 524288 in Sep 14 11:40:11 pcroger kernel: [ 64.943374] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) Sep 14 11:40:11 pcroger kernel: [ 64.943381] ata1.00: status: { DRDY } Ubuntu and takes forever to start (2 min).

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• BPM11g Launch - Spotlight on Innovation: A Unified Business Process Management Solution June 17th 2

  - by Jürgen Kress

  Spotlight on Innovation: A Unified Business Process Management Solution Thursday, June 17th, 2010 10 a.m. PT / 18:00 UK / 19:00 CET Presented by: Hasan Rizvi Senior Vice President Oracle Product Management Business Process Management (BPM) is essential for managing change and increasing business visibility, agility, and efficiency. To make the most of BPM, businesses today need to benefit from a new generation of process management solutions. Join Hasan Rizvi, Senior Vice President, Oracle Product Development, as he discusses Oracle’s innovations in the new BPM Suite 11g which will define the next generation of process management. Discover how you can leverage this complete, open, and integrated BPM solution that delivers: Management of all types of processes; including system, human, document, and decision-centric A simplified path to achieving greater business visibility, agility, and efficiency A unified process foundation that simplifies process management with a unified process engine and preintegration of process subsystems User-centric design that simplifies process modeling and interaction Social BPM interaction that provides social computing in the context of BPM to simplify and add richness to collaboration Register today for this live Webcast, another edition in a series introducing the next wave of products in Oracle Fusion Middleware 11g. Did you missed our BPM 11g webcast with Clemens Utschig-Utschig? The recorded version is now available! Here is your feedback: First experience with BPMN 2.0 in Oracle BPM Studio 11g by Hajo Normann Warum Oracle BPM Studio 11g? by Torsten Winterberg Oracle BPM 11g, less is more by Léon Smiers Oracle BPM 11g Integration with ADF and WebCenter Suite by Andrejus Baranovskis Oracle BPM11g available! by Guido Schmutz Listen to more feedback here. If you are working on BPM 11g projects and you would like to attend a hands-on training session, please contact Jürgen Kress. Technorati Tags: BPM,BPMN2.0,SOA,Hasan Rizvi,SOA Partner Community

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• VGA monitor won't detect on NVIDIA Quadro NVS 4200M

  - by tanmayk

  I am on a Dell Latitude E6420 and just installed 12.04. When I plug in my external monitor's VGA cable, the laptop doesn't detect any new monitor. Here's the output of my lspci: 00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family DRAM Controller (rev 09) 00:01.0 PCI bridge: Intel Corporation Xeon E3-1200/2nd Generation Core Processor Family PCI Express Root Port (rev 09) 00:16.0 Communication controller: Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 (rev 04) 00:16.3 Serial controller: Intel Corporation 6 Series/C200 Series Chipset Family KT Controller (rev 04) 00:19.0 Ethernet controller: Intel Corporation 82579LM Gigabit Network Connection (rev 04) 00:1a.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 (rev 04) 00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 04) 00:1c.0 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 (rev b4) 00:1c.1 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 2 (rev b4) 00:1c.2 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 3 (rev b4) 00:1c.3 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 4 (rev b4) 00:1c.5 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 6 (rev b4) 00:1d.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 (rev 04) 00:1f.0 ISA bridge: Intel Corporation QM67 Express Chipset Family LPC Controller (rev 04) 00:1f.2 RAID bus controller: Intel Corporation 82801 Mobile SATA Controller [RAID mode] (rev 04) 00:1f.3 SMBus: Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller (rev 04) 01:00.0 VGA compatible controller: NVIDIA Corporation GF119 [Quadro NVS 4200M] (rev a1) 01:00.1 Audio device: NVIDIA Corporation HDMI Audio stub (rev a1) 03:00.0 Network controller: Intel Corporation Centrino Advanced-N 6205 (rev 34) 0b:00.0 SD Host controller: O2 Micro, Inc. Device 8221 (rev 05) 0b:00.1 Mass storage controller: O2 Micro, Inc. Device 8231 (rev 03) I tried installing the Quadro NVS 4200M from the nvidia website but got stuck in TTY after the installation finished. Any ideas as to how I can get the external monitor to work? Thanks!

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