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• Good resources for learning modern OpenGL (3.0 or later)?

  - by MatterGoal

  I stumble upon the search of a good resource to start with OpenGL (3.0 or later) . Well, I found a lot of books but none of them can be considered a good resource! Here two examples: OpenGL Programming Guide (7th edition) http://www.amazon.com/exec/obidos/ASIN/0321552628/khongrou-20 This is FULL of deprecated material! Almost every chapters begin with a note about that. OpenGL Superbible (5th Edition) http://www.amazon.com/exec/obidos/ASIN/0321712617/khongrou-20 This book uses a library created by the author to explain the main arguments, hiding what you want to learn! I don't want to learn how to use your library! I want to learn OpenGL! I hope that you understand this is not the same question like "hey I'm not able to use Google... tell me how to learn OpenGL". I've just finished a full and deep search but I can't find a good and complete resource to learn the "new" OpenGL avoiding deprecated topics. Can someone heading me in the right direction? I know C++ and I have 10 years of experience in development... where I can find a good resource?! I want to spend time on it and I want to learn deeply. (please feel free to edit my question, my English is terrible!)

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• Can't mount my USB Drive

  - by user996056

  ~> sudo mount /dev/sdb1 /media/Disk Did not find any restart pages in $LogFile and it was not empty. The file system wasn't safely closed on Windows. Fixing. I have a USB Hard Disk and Windows can't detect it. So I tried to open it up on Ubuntu using gparted. Gparted detects the NTFS partition, so everything seems to be fine (note, though, that the total size of the files in this disk is over 1 TB). I tried to mount it using: sudo mount /dev/sdb1 /media/Disk But I got: Did not find any restart pages in $LogFile and it was not empty. The file system wasn't safely closed on Windows. Fixing. Then, the process just sits there blinking. Any ideas on how to fix it? It's taking forever ( 10 minutes), should I wait or cancel it and do something else? Thank you in advance.

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• What are all things that do/can happen when a user enters in a web page's URL?

  - by Job

  Sorry if this is a naive title. I am trying to break into web development, which is so far a foreign world to me. I have taken a basic intro to OS, intro to Networking as part of my bachelors degree several years ago. I cannot say that we went into things deeply, beyond academic assignments. I would like to understand things much better regarding to this specific task (e.g what goes on in at the OS level, at networking level, what are other computers involved, where do proxy servers and hackers come in). Again, at the very basic level this has been covered, but I would like to review this specific thing better. Are there chapter(s) os a specific book, or specific SHORT reading that you recommend? I have nothing against your list of 20 favorite books, but I want to understand this one thing better in 2-3 weeks of reading after work / on the weekends (realistically 5-10 hrs per week, so I am looking for about 15-20 hrs of reading material, NO MORE). I am not a fast reader :) Thanks.

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• I bought a new battery and Ubuntu 12.10 isn't recognizing it

  - by user134403

  I inherited my mom's old laptop and installed Ubuntu over top of Vista, so now it is purely Ubuntu. Her old battery only lasted about 10 minutes, so it had to be plugged in all the time, which I didn't like. So I bought a battery, and inserted it in when it came. The laptop doesn't see it at at all- no battery icon whatsoever. I can pull it out and put the old battery in and it recognizes it. The new battery comes with a program (a .exe) to update the bios to accommodate the new battery... But don't have Windows anymore and Wine gives me an error when I try to run it, so I am at a loss of ideas. I thought of running a virtual machine of Windows to install it, or run a Windows To Go drive(a new feature of Windows 8), but I don't think those are good ideas as they may not work or permanently ruin something. I am not an extremely experienced user of Ubuntu/Linux, so I don't where to go from here. I'm running Ubuntu 12.10 on a Sony Vaio VGN-NR, if that helps. Also note that I just installed Ubuntu the other day and have nothing important on the pc yet, so I am not afraid to reinstall Ubuntu if it may help. Thanks!

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• One of my VMs went boom using Virtual Box and how it got fixed

  - by Enrique Lima

  I am running an HP Envy 15, 16GB and 500GB (7200 RPM) Hard drive. Had a VM configured from another environment, created the virtual machine config file on Virtual Box, everything seemed ok. Fired it up, and it was  s   l   o   w, it took close to 10 minutes for it to load, and about 5 more to see Windows was in the process of loading before the BSOD.  Thought, maybe, just maybe it will not happen again … oh was I wrong. Frustration had already hit an all time high with this configuration and the number of issues I’ve had. How I did the troubleshooting … The best thing to do (IMO) is to step back, and gather your tools to debug this situation. Tools:  Virtual Box command line tools, Windows Debug. Virtual Box comes with a pretty good set of tools to examine, migrate and overall tasks to deal with VMs. The firs step:  use VBoxManage to prevent the VM from rebooting after the error to get enough time to really dig into the BSOD issue. Command used:   VBoxManage setextradata VMNAME "VBoxInternal/PDM/HaltOnReset" 1 Once this was done, the error reported was an “Inaccessible boot device” coming from a “Stop – 7B” type of error on the BSOD. The issue I had with this, my VM was configured to use a virtual SATA controller, and thought Windows 2008 R2 would handle this fine … again wrong!  Because the integration tools from the other product where wanting to take effect that was throwing everything off. The fix The fix was almost handed to me, edited the configuration for the VM, removed the SATA controller from it, added the virtual hard drive under an IDE controller, boot up and voilà … it works! I was then able to install the Virtual Box guest tools and such, but have decided to favor “keep on working” over “let’s try SATA again”

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• No WIFI on Ubuntu 12.04 LTS after today software update

  - by Adchara

  I just got new dell inspiron3537 with Ubuntu 12.04 LTS (no windows O/S). It got some wireless (hard block) yesterday. So, this morning, I ran the software update all the security update. After that I can't see "Wireless" in system setting. So, I updated all the software update and looked thru several web site and found "sudo lshw -c network" command. I tried and found the result below. *-network description: Ethernet interface product: RTL8101E/RTL8102E PCI Express Fast Ethernet controller vendor: Realtek Semiconductor Co., Ltd. physical id: 0 bus info: pci@0000:01:00.0 logical name: eth0 version: 07 serial: 74:86:7a:40:5d:48 size: 100Mbit/s capacity: 100Mbit/s width: 64 bits clock: 33MHz capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full ip=192.168.1.10 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s resources: irq:60 ioport:4000(size=256) memory:c0700000-c0700fff memory:c0400000-c0403fff *-network UNCLAIMED description: Network controller product: QCA9565 / AR9565 Wireless Network Adapter vendor: Qualcomm Atheros physical id: 0 bus info: pci@0000:02:00.0 version: 01 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list configuration: latency=0 resources: memory:c0600000-c067ffff memory:9fb00000-9fb0ffff Please suggest what I should do to fix it. Thx in advance

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• ubuntu precise high hard drive I/O

  - by pavolzetor

  on ubuntu precise, all apps starts slowly, and my hard drive is all time in use. What is the cause? it was never before, even nautilus takes a lot time to load, boot is also slower. top - 18:37:05 up 1:07, 1 user, load average: 2.03, 2.34, 2.25 Tasks: 182 total, 1 running, 180 sleeping, 0 stopped, 1 zombie Cpu(s): 30.2%us, 7.2%sy, 1.4%ni, 53.9%id, 7.1%wa, 0.0%hi, 0.2%si, 0.0%st Mem: 3941576k total, 3522048k used, 419528k free, 50156k buffers Swap: 0k total, 0k used, 0k free, 1827640k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 2508 pk 20 0 1018m 189m 28m S 4 4.9 22:28.04 plugin-containe 1290 root 20 0 82336 16m 1492 S 2 0.4 0:04.41 landscape-clien 1305 root 20 0 97280 22m 5584 S 2 0.6 0:01.57 landscape-manag 4201 pk 20 0 17328 1312 924 R 2 0.0 0:00.02 top 1 root 20 0 24436 2364 1268 S 0 0.1 0:00.68 init 2 root 20 0 0 0 0 S 0 0.0 0:00.00 kthreadd 3 root 20 0 0 0 0 S 0 0.0 0:00.45 ksoftirqd/0 6 root RT 0 0 0 0 S 0 0.0 0:00.00 migration/0 7 root RT 0 0 0 0 S 0 0.0 0:00.02 watchdog/0 8 root RT 0 0 0 0 S 0 0.0 0:00.00 migration/1 10 root 20 0 0 0 0 S 0 0.0 0:00.43 ksoftirqd/1 12 root RT 0 0 0 0 S 0 0.0 0:00.01 watchdog/1 13 root 0 -20 0 0 0 S 0 0.0 0:00.00 cpuset

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• Oracle OpenWorld 2012?????WebLogic Server???3??????

  - by ???02

  ???????2012?9?30???10?4?(????)???4???????????????????????????Oracle OpenWorld 2012???????????????????????WebLogic Server????????????????????????????????????(Fusion Middleware?????????????????????????????)?????(???) ??????????????WebLogic Server?????? ??????Fusion Middleware??????????????????????????????????? ???????????OpenWorld??????WebLogic Server????????????????????????????(HTML5)???Oracle Database??????????3???????????????????????????? OpenWorld 2012?????????CEO????·??????????????·?????Oracle Cloud??????????SaaS?PaaS????IaaS???????????????? ??????????????????/?????????????????????????????????WebLogic Server????????????????????????????????????????·??????????????????????????????Oracle Exalogic Elastic Cloud?????????????????????????????????????????·???????????????????????? ???????????????·??????????·???????????????????????????????????????WebLogic Server?Oracle Enterprise Manager??????????????????????? ?????????????????????????????????·???????????????????????????????????????(???)????????????????????·???????????????????????????? ??????????·????????????????????????????????????????????????????????????????????Java EE????????????????????????·???????Oracle E-Business Suite????????????·???????????????????????????????????????????????????????????????????????? ??????????????????????????????????·????????????????????????????????????????????????????????????????????????????????????? ?WebLogic Server?Oracle Enterprise Manager?????????Exalogic?????????????????????????·????????????????????????????????????????????????????????????????????????????????????????????????????????OpenWorld?????????Exalogic???????????????????????/?????????????????????????????WebLogic Server?????????????????????????????????????(???) ?????????????????OpenWorld 2012???Java???????Oracle Developer Cloud Service???????????????·?????????????????????????·???????·??????????????????????????????·????·????????????????????????????Java??????????????????????????????????????????????????????????????????????????WebLogic Server????????????????? WebSockets?SSE???????Java EE???????? ????????Java??????????Java EE??????????????Java EE 7???????????????????????7???Java EE??????????????????·?????????????????????????????????????????????HTML5???????????????????????? ??????????Java EE??????????????WebLogic Server???????????12.1.2?????Java EE 7??????????Web???????????????????WebSockets???HTTP?????????????Server Sent Events(SSE)????????????????????????????OpenWorld 2012?????????WebSockets?SSE???????????????????????????Web???????????????????????????????????????????????????????????????? ???WebLogic Server?????????2013?????????????????Java EE 7??????????????????????Java?????????????????????????????????????WebLogic Server?????????????????????? ???WebLogic Server?????????????????Oracle TopLink DataService?????????????????????????????XML?JSON??????????????????????Java??????????????·????????????????????????????????????????????????????·????????????????????????? Oracle Database??????????? WebLogic Server???????????·??????????????????1???Oracle Database????????????????OpenWorld 2012?????????Oracle Database????????????????????? WebLogic Server????Oracle Real Application Clusters(RAC)?????????????????????????????????????Active GridLink for RAC??????????????????????????????????????????????????????????·?????????????Oracle RAC?????????????????·??????????????????????????????????????Oracle RAC????????????? OpenWorld 2012?????Active GridLink for RAC???????????????????????????????Application Continuity??????????????? ?????????????·???????????????Oracle RAC?????????????????????????????????????????????????????????????????Application Continuity?????JDBC???????????????????????????Oracle RAC??????????????????????????????????????????Oracle Coherence?????????????????????????????????·????????????????(???) ?????????????????·???????????????Java????????????WebLogic Server???????????????? ????????????????????????????????????????????/???????????????????WebLogic Server?????????????????????????? ??????·???????????????·????????????Java EE?????????????OpenWorld 2012????????WebLogic Server?????????????????????????????????????????????????????????????Java EE??????????????????????WebLogic Server????????????????????????????Java EE?????????????Java EE???????????????????????????(???) ????????·????????????????????????????????????Java EE????WebLogic Server?????????????????????????????????

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• Release Notes for 5/18/2012

  Here are the notes for this week’s release: Pull Requests We’ve added the ability to see the snippets of code where a user commented inline in the discussion of pull requests. You can also add another line comment directly from the discussion area, rather than navigating to the code diff viewer. Note that there’s currently a known issue where the line associated with the comment isn’t being properly differentiated for existing pull requests (the line in the middle of each diff preview should be bolded). Apologies for the inconvenience! As part of this work, we also took some time to clean up our diff viewer UI to remove the dots and introduce a new color scheme where green is used for added lines. Bug Fixes Fixed an issue affecting the ability to assign pull requests. Fixed an issue where managing various team resources for a project was not working in Chrome or Firefox. Fixed an issue where a project’s RSS subscribe dialog popped up in the wrong place. Fixed an issue where editing wiki anchor links would insert extra characters, resulting in broken links. Fixed an issue where project logos did not display correctly when browsing the site with https in Chrome or Firefox. Fixed an issue where users could encounter errors when deleting remote Git branches. Fixed an issue affecting the ability of fork collaborators to push changes to the fork. Fixed an issue where the advanced work item filters would not persist when navigating through result pages. Fixed an issue where the issue tracker notifications link was not clickable in Chrome. Fixed an issue where pull request comments with line breaks would not be formatted properly when viewing the pull request. Other We upgraded our Git servers to version 1.7.10.1. Have ideas on how to improve CodePlex? Visit our ideas page! Vote for your favorite ideas or submit a new one. Got Twitter? Follow us and keep apprised of the latest releases and service status at @codeplex.

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• LINQ – Skip() and Take() methods

  - by nmarun

  I had this issue recently where I have an array of integers and I’m doing some Skip(n) and then a Take(m) on the collection. Here’s an abstraction of the code: 1: int[] numbers = { 5, 4, 1, 3, 9, 8, 6, 7, 2, 0 }; 2: var taken = numbers.Skip(3).Take(3); 3: foreach (var i in taken) 4: { 5: Console.WriteLine(i); 6: } The output is as expected: 3, 9, 8 – skip the first three and then take the next three items. But, what happens if I do something like: 1: var taken = numbers.Skip(7).Take(5); In English – skip the first seven and the take the next 5 items from an array that contains only 10 elements. Think it’ll throw the IndexOutOfRangeException exception? Nope. These extension methods are a little smarter than that. Even though the user has requested more elements than what exists in the collection, the Take method only returns the first three thereby making the output of the program as: 7, 2, 0. The scenario is handled similarly when you do: 1: var taken = numbers.Take(5).Skip(7); This one takes the first 5 elements from the numbers array and then skips 7 of them. This is what is looks like in the debug mode: Just wanted to share this behavior.

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• Has the emerging generation of programmers got the wrong idea about design patterns? [closed]

  - by MattDavey

  Over the years I've noticed a shift in attitude towards design patterns, particularly amongst the emerging generation of developers. There seems to be a notion these days that design patterns are silver bullets that instantly cure any problem, a proliferating idea that advancing as a software engineer simply means learning and applying more and more patterns. When confronted with a problem, developers no longer strive to truly understand the issue and design a solution - instead they simply pick a design pattern which seems to be a close fit, and try to brute-force it. You can see evidence of this by the many, many questions on Stack Overflow that begin with the phrase "what pattern should I use to...". I fall into a slightly more mature category of developers (5-10 years experience) and I have a very different viewpoint on patterns - simply as a communication tool to enhance clarity. I find this perspective of design patterns being lego bricks (collected like pokemon cards) a little disconcerting. Will developers lose this attitude as they gain more experience in software engineering? Or could these notions perhaps steer the direction of our craft in years to come? Did the older generation of developers have any similar concerns about us? (perhaps about OO design or similar...). if so, how did we turn out?

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• I have just upgraded to 13.10 and i can not install any programs

  - by jason malitz

  I upgraded to Ubuntu 13.10 last night and i tried to install empathy chat client and this is what I see after the failed down load installArchives() failed: (Reading database ... (Reading database ... 5% (Reading database ... 10% (Reading database ... 15% (Reading database ... 20% (Reading database ... 25% (Reading database ... 30% (Reading database ... 35% (Reading database ... 40% (Reading database ... 45% (Reading database ... 50% (Reading database ... 55% (Reading database ... 60% (Reading database ... 65% (Reading database ... 70% (Reading database ... 75% (Reading database ... 80% (Reading database ... 85% (Reading database ... 90% (Reading database ... 95% (Reading database ... 100% (Reading database ... 397719 files and directories currently installed.) Removing xserver-common-lts-raring ... Removing 'diversion of /usr/lib/xorg/protocol.txt to /usr/lib/xorg/protocol-precise.txt by xserver-common-lts-raring' dpkg-divert: error: rename involves overwriting `/usr/lib/xorg/protocol.txt' with different file `/usr/lib/xorg/protocol-precise.txt', not allowed dpkg: error processing xserver-common-lts-raring (--remove): subprocess installed post-removal script returned error exit status 2 No apport report written because MaxReports is reached already Errors were encountered while processing: xserver-common-lts-raring Error in function: So how do I fix this issue

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• Java vs. C# - Productivity perspective

  - by Edin Dazdarevic

  If you have a number of years experience in working with JAVA and a number of years experience in working with C# and .NET, I would value your opinion on software development productivity differences between these two environments. One of our customers is considering to technically replace their existing software solution. As the replacement will require approx. 10 - 15 man years work, a choice for JAVA or .NET, based on productivity differences between the them, may significantly influence the investment required and time-to-market. Would you be able to provide us, based on your honest and expert opinion, an indication of software development productivity differences between JAVA and C#/.NET? I would prefer to receive an answer as follows: My experience is based on X years experience working with JAVA and X years experience working with C#/.NET. JAVA is X% more productive then C#.NET or C#/.NET is X% more productive than JAVA if you take the the following into account . . . . . . . Thanks

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• How best to construct our test subjects in unit tests?

  - by Liath

  Some of our business logic classes require quite a few dependencies (in our case 7-10). As such when we come to unit test these the creation become quite complex. In most tests these dependencies are often not required (only some dependencies are required for particular methods). As a result unit tests often require a significant number of lines of code to mock up these useless dependencies (which can't be null because of null checks). For example: [Test] public void TestMethodA() { var dependency5 = new Mock<IDependency1>(); dependency5.Setup(x => x. // some setup var sut = new Sut(new Mock<IDependency1>().Object, new Mock<IDependency2>().Object, new Mock<IDependency3>().Object, new Mock<IDependency4>().Object, dependency5); Assert.SomeAssert(sut.MethodA()); } In this example almost half the test is taken up creating dependencies which aren't used. I've investigated an approach where I have a helper method. [Test] public void TestMethodA() { var dependency5 = new Mock<IDependency1>(); dependency5.Setup(x => x. // some setup var sut = CreateSut(null, null, null, null, dependency5); Assert.SomeAssert(sut.MethodA()); } private Sut CreateSut(IDependency1 d1, IDependency2 d2...) { return new Sut(d1 ?? new Mock<IDependency1>().Object, d2 ?? new Mock<IDependency2>().Object, } But these often grow very complicated very quickly. What is the best way to create these BLL classes in test classes to reduce complexity and simplify tests?

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• Black Screen after installing recommended Nvidia drivers. What to do?

  - by former_Windows_user

  New to Ubuntu. Problem description: Until recently I had Windows on my computer. My hard disk is divided into two partitions. On the first one (app. 10 GB) I had my Windows XP On the second one (app. 30 GB) I have some data I tried to install Ubuntu 12.04 on the first partition (the smaller one). Since I wanted to keep the data on my second partition, I chose the third install option. During the installation process I deleted the data on partition one, created a new partition with the same size, formatted it as ext4 and mounted / on it. The installation continued fine and at the end I restarted and took the CD out when it ejected automatically (it could have been also before the restart). Ubuntu started but I noticed that my computer was slow. Then a prompt appeared telling me that I did not have the optimal NVidia drivers and recommended to install a specific one. I clicked on the recommended driver, installation went apparently just fine and at the end I had to restart the system again. I did it, Ubuntu started, asked for my password, I typed it, pressed Enter, the screen turned black and remained like that (only the cursor was there and I could move it). I restarted and the same thing happened again. Has anyone had such a problem before and was able to solve it? With Windows I always installed drivers from CDs after installing Windows. Are the same CDs going to work for Ubuntu too or I should find special drivers? P.S. During the installation I was connected to the internet and I agreed on installing updates and the third party software. In the time before I installed that problematic but recommended NVidia driver I checked that there was between 6 and 7 GB free space on the first partition where I installed Ubuntu.

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• Enable [command] key to register as something other than just [ctrl]?

  - by gojomo

  I'm running 10.04LTS inside VMWare Fusion on a Mac. The [command] key (aka [windows] on many keyboards) is almost always behaving as if it was [ctrl], even though I done anything explicit to request that behavior. In fact, in SystemPreferencesKeyboardLayoutsOptionsAlt/Win key behavior, 'default' is chosen (rather than the 'Control is mapped to Win keys' option). However, choosing other options there do not seem to change the handling of [command], at least not as tested in the SystemPreferenceKeyboard Shortcuts app. (No matter what I've tried, [command]-x is always detected as [Ctrl]-x in that app.) I've tried: various options under SystemPreferencesKeyboardLayoutsOptionsAlt/Win key behavior toggling the VMWare Fusion Preferences KKeyboard & Mouse Key Mappings setup which claims to map '[command]' to '[windows]', and restarting the VM in each position the xmodmap lines suggested at https://help.ubuntu.com/community/MappingWindowsKey And yet, it's clear that all Ubuntu apps aren't merging [ctrl] and [command], because in 'Terminal', [shift]-[ctrl]-c will Copy, but [shift]-[command]-c will not. If the [command]/[windows] key was recognized as anything else ('Super', 'Meta', 'Hyper'? I don't care as long as it's not 'Control'), then I could achieve my real goal (which happens to be enabling CMD-based cut/copy/paste in PyCharm, while leaving CTRL-X/etc available for emacs-like bindings). I think any solution which manages to make [command]-x appear as something other than [ctrl]-x in PreferencesKeyboard Shortcuts will probably do the trick.

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• Why does my flash video get stuck? (not lag?)

  - by Sk606

  After moving to Ubuntu 10.10 Netbook Edition, I've noticed a strange problem that manifests itself most obviously with streaming videos like youtube and hulu. The video will load and begin playing fine and eventually stop, as though it is buffering. However, it usually happens between 40 and 60 seconds into the clip. The loading indication however shows that it actually isn't buffering anymore of the data, and will just sit there. If I force the clip forward (e.g. click to start the movie somewhere ahead of the stall point) the clip will usually reload quickly and begin playing as expected. Because of the quick load times, and the consistent stop of video, I don't think the problem is related to hardware performance or network throughput. Also, I have none of these problems in 10.04. Rebooting into 10.04 makes the problem disappear. However, one more clue, I also have noticed a higher occurrence of web pages that simply "stop loading" - say, 1/10 clicks while browsing I have to hit "reload" to get the page to load because the page timed out part of the way through. This seems strangely related to the video problem, though is a lot less infuriating. Help! Where do I begin to look with a problem like this?

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• Why does my flash video get stuck? (not lag?)

  - by Sk606

  After moving to Ubuntu 10.10 Netbook Edition, I've noticed a strange problem that manifests itself most obviously with streaming videos like youtube and hulu. The video will load and begin playing fine and eventually stop, as though it is buffering. However, it usually happens between 40 and 60 seconds into the clip. The loading indication however shows that it actually isn't buffering anymore of the data, and will just sit there. If I force the clip forward (e.g. click to start the movie somewhere ahead of the stall point) the clip will usually reload quickly and begin playing as expected. Because of the quick load times, and the consistent stop of video, I don't think the problem is related to hardware performance or network throughput. Also, I have none of these problems in 10.04. Rebooting into 10.04 makes the problem disappear. However, one more clue, I also have noticed a higher occurrence of web pages that simply "stop loading" - say, 1/10 clicks while browsing I have to hit "reload" to get the page to load because the page timed out part of the way through. This seems strangely related to the video problem, though is a lot less infuriating. Help! Where do I begin to look with a problem like this?

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• Are my negative internship experiences representative of the real world? [closed]

  - by attemptAtAnonymity

  I'm curious if my current experiences as an intern are representative of actual industry. As background, I'm through the better part of two computing majors and a math major at a major university; I've aced every class and adored all of them, so I'd like to think that I'm not terrible at programming. I got an internship with one of the major software companies, and half way through now I've been shocked at the extraordinarily low quality of code. Comments don't exist, it's all spaghetti code, and everything that could be wrong is even worse. I've done a ton of tutoring/TAing, so I'm very used to reading bad code, but the major industry products I've been seeing trump all of that. I work 10-12 hours a day and never feel like I'm getting anywhere, because it's endless hours of trying to figure out an undocumented API or determine the behavior of some other part of the (completely undocumented) product. I've left work hating the job every day so far, and I desperately want to know if this is what is in store for the rest of my life. Did I draw a short straw on internships (the absurdly large paychecks imply that it's not a low quality position), or is this what the real world is like?

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• Can i add friction in air?

  - by Diken

  I have issue regarding speed in air. When i jump and move simultaneously that time speed of player increase.For jump i am using impuls and for movement i am using force.I want to slow speed when player is in air. Thanks in advance Following is my update method ih HUDLayer -(void)update:(ccTime)dt :(b2Body *)ballBody :(CCSprite *)player1 :(b2World *)world { if (moveRight.active==YES) { ballBody->SetActive(true); b2Vec2 locationworld=b2Vec2(maxSpeed,0); double mass=ballBody->GetMass(); ballBody->ApplyForce(mass*locationworld, ballBody->GetWorldCenter()); // ballBody->SetLinearDamping(1.2f); } else if(moveLeft.active==YES) { ballBody->SetActive(true); b2Vec2 locationworld=b2Vec2(-10,0); double mass=ballBody->GetMass(); ballBody->ApplyForce(mass*locationworld, ballBody->GetWorldCenter()); // ballBody->SetLinearDamping(1.2f); } } Following is jump -(void)jump:(b2Body*)ballBody:(ccTime)dt:(BOOL)touch { if (touch) { if (jumpSprte.active==YES) { ballBody->SetActive(true); b2Vec2 locationWorld; //locationWorld=b2Vec2(0.0f,98.0f); locationWorld=b2Vec2(0,32); // double mass=ballBody->GetMass(); ballBody->ApplyLinearImpulse(locationWorld, ballBody->GetWorldCenter()); // ballBody->ApplyForce(mass*locationWorld, ballBody->GetWorldCenter()); ballBody->SetLinearDamping(1.2f); } } } So where i apply logic??

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• Oracle Enterprise Manager 12c - New tools announced at OOW

  - by Cinzia Mascanzoni

  Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Calibri","sans-serif"; mso-bidi-font-family:"Times New Roman";} Oracle announced enhanced tools and programs for Oracle Enterprise Manager 12c, including a new Enterprise Manager Extensibility Exchange, updated Oracle PartnerNetwork Enterprise Manager Knowledge Zone, and additional Enterprise Manager Extensibility Kit resources, enabling management of all software and hardware assets from a “single pane of glass,” to help partners accelerate their transformation to the public and private cloud.

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• Not able to install LTT tool in 10.04

  - by Ashoka

  I have tried the below commands to install LTT on VMware running Ubuntu 10.04, but got the following error. Please help. From link : https://launchpad.net/~lttng/+archive/ppa $ sudo apt-add-repository ppa:lttng/ppa $ sudo apt-get update $ sudo apt-get install lttng-tools lttng-modules-dkms babeltrace user@usr:~$ sudo apt-add-repository ppa:lttng/ppa Executing: gpg --ignore-time-conflict --no-options --no-default-keyring --secret-keyring /etc/apt/secring.gpg --trustdb-name /etc/apt/trustdb.gpg --keyring /etc/apt/trusted.gpg --primary-keyring /etc/apt/trusted.gpg --keyserver keyserver.ubuntu.com --recv C541B13BD43FA44A287E4161F4A7DFFC33739778 gpg: requesting key 33739778 from hkp server keyserver.ubuntu.com gpg: unable to execute program `/usr/local/libexec/gnupg/gpgkeys_curl': No such file or directory gpg: no handler for keyserver scheme `hkp' gpg: keyserver receive failed: keyserver error user@usr:~$ user@usr:~$ sudo apt-get update ..... $ user@usr:~$ sudo apt-get install lttng-tools lttng-modules-dkms babeltrace Reading package lists... Done Building dependency tree Reading state information... Done E: Couldn't find package lttng-tools user@usr:~$ My systemm details: user@usr:~$ cat /etc/lsb-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=10.04 DISTRIB_CODENAME=lucid DISTRIB_DESCRIPTION="Ubuntu 10.04.4 LTS" user@usr:~$ user@usr:~$ user@usr:~$ uname -a Linux usr 2.6.32-42-generic #95-Ubuntu SMP Wed Jul 25 15:57:54 UTC 2012 i686 GNU/Linux user@usr:~$ Regards, Ashoka

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• Rotate camera with mouse? [closed]

  - by ezio160324

  Once again, using tutorial 10 at NeHe. I want the code if (keys[VK_RIGHT]) // Is The Right Arrow Being Pressed? { yrot -= 1.5f; // Rotate The Scene To The Left } if (keys[VK_LEFT]) // Is The Left Arrow Being Pressed? { yrot += 1.5f; // Rotate The Scene To The Right } and if (keys[VK_PRIOR]) { lookupdown -= 1.0f; } if (keys[VK_NEXT]) { lookupdown += 1.0f; } to be done with the mouse instead of left/right arrow and Page Up/ Page Down. I tried everything I could think of. Can anyone help? EDIT: I tried using WM_MOUSEMOVE message. I just could not figure it out. EDIT2: I am using pure OpenGL to do this. No window management system or other libs such as GLUT, GLFW, SDL, SFML etc. Just OpenGL. OpenGL and GLEW. EDIT: Issue has been solved.

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• Ubuntu is unresponsive and scrolling is very jerky

  - by peterpipe

  I'm new to Ubuntu. I've been using 12.04LTS for over a week now. For 3 days it was great but now I'm having a number of problems. I'm using an Acer Aspire one D255 it has a 250GB HDD and a 1GB Memory. My browser is Firefox. Pages freeze occasionally and I wait for over 10 minutes and have to use the computer's 'off' button. Pages crash. On facebook some pictures don't load and I have to close down and restart a couple of times. Scrolling can sometimes be very jerky. Downloading software has become a problem and I have a 'no entry' sign in the top taskbar. I've looked at this page for some help but the words used and the explanations are not helpful to someone like me who has little knowledge of this. Please - 'Ubuntu for dummies'. I'd like to continue using Ubuntu but am close to giving up.

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• Wireless problems with Broadcom BCM4313 with windows7 (duplicate)

  - by user292394

  I have wireless connection problem can't connect my wireless adress lspci -vvnn | grep 14e4 03:00.0 Network controller [0280]: Broadcom Corporation BCM4313 802.11bgn Wireless Network Adapter [14e4:4727] (rev 01) iwconfig eth0 no wireless extensions. lo no wireless extensions. wlan0 IEEE 802.11abg ESSID:off/any Mode:Managed Access Point: Not-Associated Retry long limit:7 RTS thr:off Fragment thr:off Power Management:off rfkill list all 0: hci0: Bluetooth Soft blocked: no Hard blocked: no 1: phy0: Wireless LAN Soft blocked: no Hard blocked: no 2: brcmwl-0: Wireless LAN Soft blocked: no Hard blocked: no lsmod Module Size Used by bnep 19624 2 rfcomm 69160 8 ip6t_REJECT 12939 1 xt_hl 12521 6 ip6t_rt 13537 3 nf_conntrack_ipv6 18894 8 nf_defrag_ipv6 34768 1 nf_conntrack_ipv6 ipt_REJECT 12541 1 xt_LOG 17717 10 xt_limit 12711 13 xt_tcpudp 12884 18 xt_addrtype 12635 4 nf_conntrack_ipv4 15012 8 nf_defrag_ipv4 12758 1 nf_conntrack_ipv4 xt_conntrack 12760 16 ip6table_filter 12815 1 ip6_tables 27025 1 ip6table_filter nf_conntrack_netbios_ns 12665 0 nf_conntrack_broadcast 12589 1 nf_conntrack_netbios_ns nf_nat_ftp 12770 0 nf_nat 21798 1 nf_nat_ftp nf_conntrack_ftp 18638 1 nf_nat_ftp nf_conntrack 96976 8 nf_nat_ftp,nf_conntrack_netbios_ns,nf_nat,xt_conntrack,nf_conntrack_broadcast,nf_conntrack_ftp,nf_conntrack_ipv4,nf_conntrack_ipv6 iptable_filter 12810 1 ip_tables 27239 1 iptable_filter vx_tables 34059 13 ip6table_filter,xt_hl,ip_tables,xt_tcpudp,xt_limit,xt_conntrack,xt_LOG,iptable_filter,ip6t_rt,ipt_REJECT,ip6_tables,xt_addrtype,ip6t_REJECT uvcvideo 80885 0 videobuf2_vmalloc 13216 1 uvcvideo videobuf2_memops 13362 1 videobuf2_vmalloc snd_hda_codec_hdmi 46207 1 videobuf2_core 40664 1 uvcvideo videodev 134688 2 uvcvideo,videobuf2_core snd_hda_codec_conexant 57441 1 snd_hda_intel 52355 8 snd_hda_codec 192906 3 snd_hda_codec_hdmi,snd_hda_codec_conexant,snd_hda_intel snd_hwdep 13602 1 snd_hda_codec snd_pcm 102099 4 snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel snd_page_alloc 18710 2 snd_pcm,snd_hda_intel snd_seq_midi 13324 0 dm_multipath 22873 0 snd_seq_midi_event 14899 1 snd_seq_midi scsi_dh 14882 1 dm_multipath lib80211_crypt_tkip 17619 0 snd_rawmidi 30144 1 snd_seq_midi intel_powerclamp 14705 0 coretemp 13435 0 kvm_intel 143060 0 kvm 451511 1 kvm_intel joydev 17381 0 serio_raw 13462 0 snd_seq 61560 2 snd_seq_midi_event,snd_seq_midi intel_ips 18664 0 wl 4207846 0 snd_seq_device 14497 3 snd_seq,snd_rawmidi,snd_seq_midi btusb 32412 0 bluetooth 395423 22 bnep,btusb,rfcomm snd_timer 29482 2 snd_pcm,snd_seq snd 69238 26 snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_hda_codec_conexant,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec,snd_hda_intel,snd_seq_device,snd_seq_midi lib80211 14381 2 wl,lib80211_crypt_tkip toshiba_bluetooth 12852 0 cfg80211 484040 1 wl lpc_ich 21080 0 fglrx 8085343 190 soundcore 12680 1 snd toshiba_acpi 22901 0 sparse_keymap 13948 1 toshiba_acpi wmi 19177 1 toshiba_acpi amd_iommu_v2 19054 1 fglrx video 19476 0 mei_me 18627 0 mei 82276 1 mei_me mac_hid 13205 0 parport_pc 32701 0 ppdev 17671 0 lp 17759 0 parport 42348 3 lp,ppdev,parport_pc hid_generic 12548 0 usbhid 52570 0 hid 106148 2 hid_generic,usbhid psmouse 102222 0 ahci 25819 3 libahci 32168 1 ahci atl1c 46086 0 dm_mirror 22135 0 dm_region_hash 20862 1 dm_mirror dm_log 18411 2 dm_region_hash,dm_mirror Can someone give any ideas on how I can fix my wireless

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