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• External monitor problems with Asus UX32VD in 12.04

  - by rsilva

  I've posted this video where I show one of the problems I'm facing with my UX32VD in regard of external monitors. As you can see as soon as I plugged the external monitor the laptop screen goes black and the external monitor displays a single color (color changes between red, green and blue). However this does not always happen. For instance if I reboot the laptop with the external monitor already plugged in I get to use it but not the laptop screen. In the Displays settings the laptop screen it's not even listed. Other times it just works. The to screens, without any problems. I tried with other to different external monitor and all this apparently random issues repeat, I even tried using HDMI cable instead. Same random behavior. This question seams to cover one of this issues however the answer did not helped me. I was forced to use the 3.5.2 kernel in order to use the Intel graphics card else the Gallium something was used. Also I've Bumblebee installed.

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• How to approach scrum task burn down when tasks have multiple peoples involvement?

  - by AgileMan

  In my company, a single task can never be completed by one individual. There is going to be a separate person to QA and Code Review each task. What this means is that each individual will give their estimates, per task, as to how much time it will take to complete. The problem is, how should I approach burn down? If I aggregate the hours together, assume the following estimate: 10 hrs - Dev time 4 hrs - QA 4 hrs - Code Review. Task Estimate = 18hrs At the end of each day I ask that the task be updated with "how much time is left until it is done". However, each person generally just thinks about their part of it. Should they mark the effort remaining, and then ADD the effort estimates to that? How are you guys doing this? UPDATE To help clarify a few things, at my organization each Task within a story requires 3 people. Someone to develop the task. (do unit tests, ect...) A QA specialist to review task (they primarily do integration and regression tests) A Tech lead to do code review. I don't think there is a wrong way or a right way, but this is our way ... and that won't be changing. We work as a team to complete even the smallest level of a story whenever possible. You cannot actually test if something works until it is dev complete, and you cannot review the quality of the code either ... so the best you can do is split things up into small logical slices so that the bare minimum functionality can be tested and reviewed as early into the process as possible. My question to those that work this way would be how to burn down a "task" when they are setup this way. Unless a Task has it's own sub-tasks (which JIRA doesn't allow) ... I'm not sure the best way to accomplish tracking "what's left" on a daily basis.

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• What are working xorg.conf settings for using a Matrox TripleHead2Go @ 5040x1050?

  - by Brendan Abel

  I'm trying to configure xorg.conf to correctly set the resolution of my screens. I'm using a matrox triplehead, so the monitor is a single 5040x1050 screen. Unfortunately, it's being incorrectly set to 3840x1024. Here is my xorg.conf: # nvidia-settings: X configuration file generated by nvidia-settings # nvidia-settings: version 260.19.06 (buildd@yellow) Mon Oct 4 15:59:51 UTC 2010 Section "ServerLayout" Identifier "Layout0" Screen 0 "Screen0" 0 0 InputDevice "Keyboard0" "CoreKeyboard" InputDevice "Mouse0" "CorePointer" Option "Xinerama" "0" EndSection Section "Files" EndSection Section "InputDevice" # generated from default Identifier "Mouse0" Driver "mouse" Option "Protocol" "auto" Option "Device" "/dev/psaux" Option "Emulate3Buttons" "no" Option "ZAxisMapping" "4 5" EndSection Section "InputDevice" # generated from default Identifier "Keyboard0" Driver "kbd" EndSection Section "Monitor" # HorizSync source: edid, VertRefresh source: edid Identifier "Monitor0" VendorName "Unknown" ModelName "Matrox" HorizSync 31.5 - 80.0 VertRefresh 57.0 - 75.0 #Option "DPMS" Modeline "5040x1050@60" 451.27 5040 5072 6784 6816 1050 1071 1081 1103 #Modeline "5040x1050@59" 441.28 5040 5072 6744 6776 1050 1071 1081 1103 #Modeline "5040x1050@57" 421.62 5040 5072 6672 6704 1050 1071 1081 1103 EndSection Section "Device" Identifier "Device0" Driver "nvidia" VendorName "NVIDIA Corporation" BoardName "GeForce 9800 GTX+" EndSection Section "Screen" Identifier "Screen0" Device "Device0" Monitor "Monitor0" DefaultDepth 24 Option "TwinView" "0" Option "metamodes" "5040x1050" SubSection "Display" Depth 24 EndSubSection EndSection

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• Object construction design

  - by James

  I recently started to use c# to interface with a database, and there was one part of the process that appeared odd to me. When creating a SqlCommand, the method I was lead to took the form: SqlCommand myCommand = new SqlCommand("Command String", myConnection); Coming from a Java background, I was expecting something more similar to SqlCommand myCommand = myConnection.createCommand("Command String"); I am asking, in terms of design, what is the difference between the two? The phrase "single responsibility" has been used to suggest that a connection should not be responsible for creating SqlCommands, but I would also say that, in my mind, the difference between the two is partly a mental one of the difference between a connection executing a command and a command acting on a connection, the latter of which seems less like what I have been lead to believe OOP should be. There is also a part of me wondering if the two should be completely separate, and should only come together in some sort of connection.execute(command) method. Can anyone help clear up these differences? Are any of these methods "more correct" than the others from an OO point of view? (P.S. the fact that c# is used is completely irrelevant. It just highlighted to me that different approaches were used)

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• Concurrency pattern of logger in multithreaded application

  - by Dipan Mehta

  The context: We are working on a multi-threaded (Linux-C) application that follows a pipeline model. Each module has a private thread and encapsulated objects which do processing of data; and each stage has a standard form of exchanging data with next unit. The application is free from memory leak and is threadsafe using locks at the point where they exchange data. Total number of threads is about 15- and each thread can have from 1 to 4 objects. Making about 25 - 30 odd objects which all have some critical logging to do. Most discussion I have seen about different levels as in Log4J and it's other translations. The real big questions is about how the overall logging should really happen? One approach is all local logging does fprintf to stderr. The stderr is redirected to some file. This approach is very bad when logs become too big. If all object instantiate their individual loggers - (about 30-40 of them) there will be too many files. And unlike above, one won't have the idea of true order of events. Timestamping is one possibility - but it is still a mess to collate. If there is a single global logger (singleton) pattern - it indirectly blocks so many threads while one is busy putting up logs. This is unacceptable when processing of the threads are heavy. So what should be the ideal way to structure the logging objects? What are some of the best practices in actual large scale applications? I would also love to learn from some of the real designs of large scale applications to get inspirations from!

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• Reinstall linux over ssh.

  - by DoomStone

  Hello I'm having a large problem with our development server, it have had a program called Webmin + a total idiot have been administrating the Linux sever. Witch now have resulted in the server being totally trashed, there are so many different kinds of the same program install that anything doesn’t work. And don't get me started on the users and groups :D Well at last I have been given the responsibility to administrate our development server. But I would like to start from scratch, instead of trying to find every single package and config the previous admin have **ed up. But the problem is that it is a remote hosted server with ssh access. The server is running Debian, but i am thinking of reinstalling it with ubuntu server Thanks

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• Public Solaris/SPARC roadmap until 2015

  - by Karim Berrah

  It now public, and give you a nice overview on what's going on, where Oracle is going with Solaris and SPARC processors. It's now available from here. What can we lean from this roadmap ? well, if you look carefully: Oracle is announcing Solaris 11 this year. The release date should be ... check OOW11 Solaris 10 updates should still be released in 2012 (remember, released in 2005). Check the Solaris lifecycle to understand how long is Solaris to stay side by side with Solaris 11. in 2011, a great 3x Single Strand improvement for the T-Series. Some thing great under preparation. Probably revealed at Oracle Open World 2011. Good news for ISVs ! in 2012, a great 6x Troughput improvement for the M-Serie ! How can this be done ? .... Nearly everything on the SPARC/SOLARIS level is said through the public roadmap,but as you know the evil is in the details ;)

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• Deferred rendering order?

  - by Nick Wiggill

  There are some effects for which I must do multi-pass rendering. I've got the basics set up (FBO rendering etc.), but I'm trying to get my head around the most suitable setup. Here's what I'm thinking... The framebuffer objects: FBO 1 has a color attachment and a depth attachment. FBO 2 has a color attachment. The render passes: Render g-buffer: normals and depth (used by outline & DoF blur shaders); output to FBO no. 1. Render solid geometry, bold outlines (as in toon shader), and fog; output to FBO no. 2. (can all render via a single fragment shader -- I think.) (optional) DoF blur the scene; output to the default frame buffer OR ELSE render FBO2 directly to default frame buffer. (optional) Mesh wireframes; composite over what's already in the default framebuffer. Does this order seem viable? Any obvious mistakes?

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• Is there any way to get tree organisation for Windows 7 file explorer favorites?

  - by fostandy

  In XP there was a MenuBar called Favorites which seemed to be based on Internet Explorer Favorites. It was fantastic because it allowed for very fast tree style navigation (if set up correctly you could navigate it using first letter keystrokes, so to access a shortcut named "videos" in a folder named "files" was as quick as Alt-A f v) This was removed in Vista (and imo generally regressed the file explorer). This was fine because I never used it, but I'm resigned to eventually embracing the inevitability that is Windows 7. Dealing with a single non-nested list of favourites is pretty painful to me as I have quite a lot of them. Is there a way to make a tree like favorites structure in Windows 7? My fingers are crossed.

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• Latex two captioned verbatim environments side-by-side

  - by egon

  How to get two verbatim environments inside floats with automatic captioning side-by-side? \usepackage{float,fancyvrb} ... \DefineVerbatimEnvironment{filecontents}{Verbatim}% {fontsize=\small, fontfamily=tt, gobble=4, frame=single, framesep=5mm, baselinestretch=0.8, labelposition=topline, samepage=true} \newfloat{fileformat}{thp}{lof}[chapter] \floatname{fileformat}{File Format} \begin{fileformat} \begin{filecontents} A B C \end{filecontents} \caption{example.abc} \end{fileformat} \begin{fileformat} \begin{filecontents} C B A \end{filecontents} \caption{example.cba} \end{fileformat} So basically I just need those examples to be side-by-side (and keeping automatic nunbering of caption). I've been trying for a while now.

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• Isopropyl okay to use on MacBook screen?

  - by Archagon

  I've always used a mixture of isopropyl alcohol and distilled water to clean my computer screens (50% water and 50% * 70% isopropyl). From what I understand, these are exactly the same ingredients used in most commercial screen cleaners, perhaps even more diluted. I recently used this solution to wipe off my 2010 MacBook Pro screen, and there don't seem to be any problems, but this support page explicitly says not to use isopropyl. Now I'm worried that I might have inadvertently damaged something. I'm also concerned because I once managed to dissolve the surface rubber lining of one of my mice with the isopropyl solution, and the MacBook Pro display has a thin rubber bezel keeping the glass in place. Why would Apple single out isopropyl on their support page? Should I be concerned?

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• Question about a simple design problem

  - by Uri

  At work I stumbled uppon a method. It made a query, and returned a String based on the result of the query, such as de ID of a customer. If the query didn't return a single customer, it'd return a null. Otherwise, it'd return a String with the ID's of them. It looked like this: String error = getOwners(); if (error != null) { throw new Exception("Can't delete, the flat is owned by: " + error); } ... Ignoring the fact that getCustomers() returns a null when it should instead return an empty String, two things are happening here. It checks if the flat is owned by someone, and then returns them. I think a more readable logic would be to do this: if (isOwned) { throw new Exception("Can't delete, the flat is owned by: " + getOwners()); } ... The problem is that the first way does with one query what I do with two queries to the database. What would be a good solution involving good design and efficiency for this?

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• Exclude path from Windows 7 search?

  - by Jez

  It's really quite incredible how bad Windows 7's search seems to be. The latest problem I have with it is that I want to search for filenames including the string "user", so I go to the directory I want to search in (C:\Users\jez\testing), type *user* in the search box, and hit enter. It gives me... every single file. Because "user" is in the path of every file, with everything being under "C:\Users..." OK, this is useless. Is there a way to just search for the string within files rather than their paths, or do I need to download some decent 3rd party search software?

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• windows 7 frequently crashes when running 64 bit debian on virtualbox

  - by erin c

  I've been having some hard times with Virtualbox. I use it to run 64-bit Debian guest on a Windows 7 host to be able to code for linux systems. It generally crashes when I build my code in eclipse cdt, or if I am doing some intensive operations. Should I lower the memory and core usage? Is this some sort of virtualbox problem? I upgraded to virtualbox v4.1.8 and the problem still occurs. My virtual machine instance uses 1736MB out of 4GB of ram, and I use 2 out of 8 processor cores. But still, the whole thing crashes 1 or 2 times every single day.

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• Help, I need to debug my BrowserHelperObject (BHO) (in C++) after a internet explorer 8 crash in Rel

  - by BHOdevelopper

  Hi, here is the situation, i'm developping a Browser Helper Object (BHO) in C++ with Visual Studio 2008, and i learned that the memory wasn't managed the same way in Debug mode than in Release mode. So when i run my BHO in debug mode, internet explorer 8 works just fine and i got no erros at all, the browser stays alive forever, but as soon as i compile it in release mode, i got no errors, no message, nothing, but after 5 minutes i can see through the task manager that internet explorer instances are just eating memory and then the browser just stop responding every time. Please, I really need some hint on how to get a feedback on what could be the error. I heard that, often it was happening because of memory mismanagement. I need a software that just grab a memory dump or something when iexplorer crashes to help me find the problem. Any help is appreciated, I'll be looking for responses every single days, thank you.

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• Missing characters when printing in linux

  - by jarvisschultz

  I have a pdf that I was printing recently, and on the final printout there is a single character that doesn't print. It is the greek letter phi, and the pdf was built with pdflatex. The phi shows up in every pdf reader I have tried, and if I convert to a ps using pdftops before printing that solves the problem. Also, I sent the pdf to a buddy who has a very similar machine (Ubuntu 12.04 64 bit, with the same printer drivers), and he was able to print it (to the same printer) and the character showed up. Clearly I have a workaround, but I'm more curious as to where I should be looking to figure out what is causing this bug? What is the printing "toolchain", and where could it be going wrong?

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• Data Validation of a Comma Delimited List

  - by Brad

  I need a simple way of taking a comma seperated list in a cell, and providing a drop down box to select one of them. For Example, the cell could contain: 24, 32, 40, 48, 56, 64 And in a further cell, using Data Validation, I want to provide a drop-down list to select ONE of those values I need to do this without VBA or Macros please. Apolgies, I want this to work with Excel 2010 and later. I have been playing around with counting the number of commas in the list and then trying to split this into a number of rows of single numbers etc with no joy yet.

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• Technology to Prevent Multiple logins to the Same Computer

  - by Ngu Soon Hui

  OK, this is a similar question to this. Actually I am trying to prevent people from multiple login into one single computer and use my application simultaneously. This is because I want to stop them from buying one license, install it on a machine, and use certain remote desktop technologies to do multiple user login. I want to prevent them from violating the license agreement. Is there anyway that I can do in my application for this? Or is multiple login simultaneously is simply not possible?

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• Pidgin XML

  - by David Totzke

  I'm looking at an xml document that gets passed to a COM object (yes, I said the "C" word) to save a new record.  You can tell by the "new|" at the top of the file before the xml declaration.  If we were saving, there would be "edit|" at the top.  Couldn't you just have a root element with something like: <myRootElement mode="new"> Ah, here's why that won't work... There's no single root element but that's ok because next we find that this document is actually several documents.  <?xml version="1.0"?> appears several times.  The final document opens with <myElementStart> and closes with <myElementEnd> so it's not even well-formed. This isn't a style thing.  This is broken.  I mean, basic well-formed XML only has two rules; three if you count the xml declaration but it works as a document for DTO purposes without it. One root element. Close all elements with a matching tag. As a result, both ends of this conversation need to speak the same dialect of broken XML in order to communicate.  To join the conversation, you must also learn pidgin XML. How can you start out so right - XML being the obvious choice in this instance - and then go so horribly wrong? Dave Just because I can…

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• Setting up Raid 1 Array for Home Server

  - by user1048116

  I'm not sure if this is even possible, but it's worth asking on here! Essentially I have a old machine at home (well, not old hardware wise, but I recently built a new gaming rig), which I decided to install a copy of W2008 R2 on and use as a file/backup server and media center'ish machine. As of now, it has a single drive partitioned into C and D, with D being the Data partition. I have happened to find an old 1TB SATA drive lying around at home, and was wondering if it's possible to setup a Raid 1 array in my rig within Windows without needing to lose everything on my first drive (or maybe even just mirror a specific partition, say the Data partition, as this is just what stores my photos etc). Maybe this isn't possible, but you never know :) Regards, T.C

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• How should I architect a personal schedule manager that runs 24/7?

  - by Crawford Comeaux

  I've developed an ADHD management system for myself that's attempting to change multiple habits at once. I know this is counter to conventional wisdom, but I've tried the conventional for years & am now trying it my way. (just wanted to say that to try and prevent it from distracting people from the actual question) Anyway, I'd like to write something to run on a remote server that monitors me, helps me build/avoid certain habits, etc. What this amounts to is a system that: runs 24/7 may have multiple independent tasks to run at once may have tasks that require other tasks to run first lets tasks be scheduled by specific time, recurrence (ie. "run every 5 mins"), or interval (ie. "run from 2pm to 3pm") My first naive attempt at this was just a single PHP script scheduled to run every minute by cron (language was chosen in order to use a certain library, but no longer necessary). The logic behind when to run this or that portion of code got hairy pretty quick. So my question is how should I approach this from here? I'm not tied to any one language, though I'm partial to python/javascript. Thoughts: Could be done as a set of scripts that include a scheduling mechanism with one script per bit of logic...but the idea just feels wrong to me. Building it as a daemon could be helpful, but still unsure what to do about dozens of if-else statements for detecting the current time

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• thick client migration to web based application

  - by user1151597

  This query is related to application design the technology that I should consider during migration. The Scenario: I have a C#.net Winform application which communicates with a device. One of the main feature of this application is monitoring cyclic data(rate 200ms) sent from the device to the application. The request to start the cyclic data is sent only once in the beginning and then the application starts receiving data from the device until it sends a stop request. Now this same application needs to be deployed over the web in a intranet. The application is composed of a business logic layer and a communication layer which communicates with the device through UDP ports. I am trying to look at a solution which will allow me to have a single instance of the application on the server so that the device thinks that it is connected as usual and then from the business logic layer I can manage the clients. I want to reuse the code of the business layer and the communication layer as much as possible. Please let me know if webserives/WCF/ etc what i should consider to design the migration. Thanks in advance.

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• User Profile modified dates don't match....what is the difference?

  - by Sean Perkins

  This question came up while I was investigating a server that randomly restarted last night. I was looking through the event logs to see if someone manually restarted the system, but nothing was identified. I went to C:\Users and there wasn't a single profile that had a modify date in a couple of years. When went to User Profiles by way of the System Properties window, I found that a handful of accounts logged in as recently as today. Those same names match to C:\Users, but the modify dates do not match. Why is this?

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• easiest way to (download and) convert HTML-structures into EPUB?

  - by gojira

  How would one (download and) convert HTML-structures into EPUB (or any other format suitable for the Sony PRS-505 reader)? My question is not how to convert a single HTML file into an EPUB file, as this is easy; what I mean is, I have some books I want to read on my Sony PRS-505 and these books are most often online in HTML format but withmany interlinked pages and there is one page with the list of contents, like this example http://www.edge.org/documents/ThirdCulture/d-Contents.html ... or sometimes it's a little bit more complicated as the list of contents only lists the chapters, and inside the chapters there are links to sub-chapters, like in this example: http:SLASHSLASHwww.hyw.com/Books/WargamesHandbook/Contents.htm (I can only post 1 hyperlink now b/c of user restriction, so this is why there is SLASHSLASH instead of //) I want to convert these examples and several others, with correct chapters, images and some acceptable formatting etc, so basically I want to make a proper ebook out of the HTML-tree. What is the easiest way?

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• Why's SMC failing on startup?

  - by Brian Knoblauch

  Trying to remove a user from one of our servers, but I seem to be thwarted at every turn... SMC refuses to load the user list (failing with a NoClassDefFoundError in the listAll method of UserContent). vipw just returns with "vipw: /etc/passwd file busy". I'm the only user on the system at the moment (it's our backup SRSS box), and both of these fail even right after a reboot. I don't have console access at the moment either unfortunately (or I would try single user mode). Of course, even if init mode S worked and let me do this one task, it doesn't solve the root problem. Ideas?

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