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• what was the major problem in a process oriented programming?

  - by nimit parekh

  hello sir, I am using the c++ programming but was the major problem occur in a pop to compair with the oops concept .. Why oops is more usefull then pop. How Does oop language overcomes. thanx in advance.

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• Compiz runs almost at 100% and the system is slow, what can I do?

  - by Heiner Valverde

  My system became very slow out of the sudden, yesterday Compiz was running extremely smooth, today it started working very slow and slowing the computer. What I've done so far was to resize my swap partition to 6 gigabytes (my computer has 3 gigabytes of RAM), before it was on 5.1 gigabytes, so I though that was the reason of this but still not. Also I tested running only metacity by running metacity --replace and also with Mutter. With metacity works really great no problem but, in the other hand, with mutter the computer works slower than running compiz instead. I am using the Nvidia driver version 173.14.28 and my X Server version as reports the NVidia X Server Settings is the 11.0. My Linux kernel running on this computer is 2.6.35-25-generic and my ubuntu version is 10.10. Any help will be appreciated.

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• What level/format of access should be given to a client to the issue tracking system?

  - by dukeofgaming

  So, I used to think that it would be a good idea to give the customer access to the issue tracking system, but now I've seen that it creates less than ideal situations, like: Customer judging progress solely on ticket count Developers denied to add issues to avoid customer thinking that there is less progress Customer appointing people on their side to add issues who don't always do a good job (lots of duplicate issues, insufficient information to reproduce, and other things that distract people from doing their real job) However, I think customers should have access to some indicators or proof that there is progress being done, as well as a right to report bugs. So, what would be the ideal solution to this situation?, specially, getting out of or improving the first situation described?

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• Any ideas about how to make Programming Techniques Class more interesting.

  - by Eedoh

  Hello. I already found similar question here on SO, but almost all the answers were more philosophical, then practical. I'd like You to share some of Your PRACTICAL ideas about how to make my course more interesting. It doesn't matter how much effort it takes from me. I even thought about trying to motivate them to pick some topic in the beginning of the course and to work on it as some kind of real, small, startup project that they could maybe financially exploit once it's finished. But I'm afraid that most of them will not get the project to the end, and that it could be boring to them working on one thing all year long. Also I thought about involving them in Torcs, but I'm afraid most of them wouldn't be up to the task. Btw, Torcs is Car Racing Simulation, but there's an API for developers so they can develop their own AI for the driver, and then race their cars against the other programmer's AI's. I'm not asking here for problem examples, as I asked a separate question about that. I need ideas about making my lectures more interesting and fun.

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• Apply Group Policy to Remote Desktop Services users but not when they log on to their local system

  - by Kevin Murray

  Running Windows Server 2008 Service Pack 2 with Remote Desktop Services role. I want to hide the servers drives using a GPO, but not the users local drives when they are logged on to their local system. Using a GPO, I went to "User Configuration - Policies - Administrative Template - Windows Components - Windows Explorer" and enabled "Hide these specified drives in My Computer" and "Prevent access to drives from My Computer" and in both used "Restrict all drives". Then under "Security Filtering" for the GPO, I restricted it to the system running Remote Desktop Services and the specific users who will be using RDS. I then applied the GPO to our domain and it worked a little too well. Not only was I successful in getting the GPO to work for RDS users, but it also affected those same users at their local systems as well. I've tried everything I can think of, but can't figure out how to apply this just to the RDS but not at their local system. What am I missing?

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• wordpress is truncating and replacing category name and description in version 2.7.1 [migrated]

  - by Jayapal Chandran

  version: WordPress 2.7.1 I recently created a new category in a blog by wordpress. I created a long category name like win32 api programming and the description as windows api programming and win23api programming. But after saving it the name and the description changes to name: win32 api instead of win32 api programming and desc: Win32 api snippets I don't want to upgrade my wordpress because i dont like some new features in the new releases. what should i do to get my actual strings(names) intact?

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• A very useful custom component

  - by Kevin Smith

  Whenever I am debugging a problem in WebCenter Content (WCC) I often find it useful to see the contents of the internal data binder used by WCC when executing a service. I want to know the value of all parameters passed in by the caller, either a user in the web GUI or from an application calling the service via RIDC or web services. I also want to the know the value of binder variables calculated by WCC as it processes a service. What defaults has it applied based on configuration settings or profile rules? What values has it derived based on the user input? To help with this I created a  component that uses a java filter to dump out the contents of the internal data binder to the WCC trace file. It dumps the binder contents using the toString() method. You can register this filter code using many different filter hooks to see how the binder is updated as WCC processes the service. By default, it uses the validateStandard filter hook which is useful during a CHECKIN service. It uses the system trace section, so make sure that trace section is enabled before looking for the output from this component. Here is some sample output>system/6    10.09 09:57:40.648    IdcServer-1    filter: postParseDataForServiceRequest, binder start -- system/6    10.09 09:57:40.698    IdcServer-1    *** LocalData *** system/6    10.09 09:57:40.698    IdcServer-1    (10 keys + 0 defaults) system/6    10.09 09:57:40.698    IdcServer-1    ClientEncoding=UTF-8 system/6    10.09 09:57:40.698    IdcServer-1    IdcService=CHECKIN_UNIVERSAL system/6    10.09 09:57:40.698    IdcServer-1    NoHttpHeaders=0 system/6    10.09 09:57:40.698    IdcServer-1    UserDateFormat=iso8601 system/6    10.09 09:57:40.698    IdcServer-1    UserTimeZone=UTC system/6    10.09 09:57:40.698    IdcServer-1    dDocTitle=Check in from RIDC using Framework Folder system/6    10.09 09:57:40.698    IdcServer-1    dDocType=Document system/6    10.09 09:57:40.698    IdcServer-1    dSecurityGroup=Public system/6    10.09 09:57:40.698    IdcServer-1    parentFolderPath=/folder1/folder2 system/6    10.09 09:57:40.698    IdcServer-1    primaryFile=testfile5.bin     system/6    10.09 09:57:40.698    IdcServer-1    ***  RESULT SETS  ***>system/6    10.09 09:57:40.698    IdcServer-1    binder end -------------------------------------------- See the readme included in the component for more details. You can download the component from here.

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• Why does grub selection no longer appear on my dual-boot system?

  - by ksinkar

  I had installed a Ubuntu 12.04 and Fedora 17 dual boot on my system. During the installation I had installed Ubuntu first and Fedora later. Fedora had recognized Ubuntu and added it to the GRUB OS selection list. Afterwards I installed some routine updates on my Ubuntu and after that I am just not able to see the GRUB OS selection anymore when I boot. I am unable to understand what happened, both Fedora and Ubuntu use GRUB 2.0. Also it seems Ubuntu is not able to recognize other existing linux operating systems; because in the beginning I had installed Fedora first and Ubuntu later, but Ubuntu did not recognize Fedora at all, while Fedora recognized Ubuntu when I installed the other way round.

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• Why do I get "No root file system is defined" when I try install in one partition?

  - by Emilio

  The thing is that I have 3 partitions on my computer. /dev/sda1 Type: ntfs (size 104MB; 35MB in use) [This is Windows Loader] /dev/sda2 Type: ntfs (size 144598MB; 64536MB in use) [Here I want to install UBUNTU] /dev/sda3 Type: ntfs (size 105353MB; 20227MB in use) [This my backup partition I don't wan't to delete anything from here, I have all my necessary information] So the problem is when I select "Device for boot loader installation" "/dev/sda2" Pops out: "No root file system is defined. Please correct this from the partitioning menu." How can I resolve this? :)

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

  - by Chris

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

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• How can I implement an escrow payment system in my website?

  - by BeachRunnerJoe

  Hello. I'd like to build a web service similar to kickstarter that allows users to pledge money to an idea, tho I'm unsure how I can implement this kind of payment system. If the the idea receives a specified amount of money, then the donors are charged. If it doesn't, the donors are not charged. I've done some preliminary research and have found Amazon Payments to be a possible solution provider for this, but I'm still unsure where to start with this and was hoping someone could point me in some right directions for how I can go about implementing this kind of payment structure in my web site. I should also note that this is primarily a prototype I'm building, so it's ok if the solution is limited to U.S. customers only. Also, I plan to build the site using Ruby on Rails. Thanks so much for your wisdom!

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• Simple rendering produces minor stutter

  - by Ben

  For some reason, this game loop renders the movement of a simple rectangle with no stuttering. double currTime; double prevTime = System.nanoTime() / NANO_TO_SEC; double FPSTIMER = System.nanoTime(); double maxTimeDiff = 100.0 / 1000.0; double delta = 1.0 / 60.0; int processes = 0, frames = 0; while(true){ currTime = System.nanoTime() / NANO_TO_SEC; if(currTime - prevTime > maxTimeDiff) prevTime = currTime; if(currTime >= prevTime){ process(); processes++; prevTime += delta; if(currTime < prevTime){ render(); frames++; } } else{ try{ Thread.sleep((long) (1000 * (prevTime - currTime))); } catch(Exception e){} } if(System.nanoTime() - FPSTIMER > 1000000000.0){ System.out.println("Process: " + (1000 / processes) + "ms FPS: " + (1000 / frames) + "ms"); processes = frames = 0; FPSTIMER += 1000000000.0; } } But for this game loop, I get really minor stuttering where the movement does not look smooth. long prevTime = System.currentTimeMillis(); long prevRenderTime = 0; long currRenderTime = 0; long delta = 0; long msPerTick = 1000 / 60; int frames = 0; int ticks = 0; double FPSTIMER = System.currentTimeMillis(); while (true){ long currTime = System.currentTimeMillis(); delta += (currTime - prevTime) / msPerTick; prevTime = currTime; while (delta >= 1){ ticks++; process(); delta -= 1; } prevRenderTime = System.currentTimeMillis(); render(); frames++; currRenderTime = System.currentTimeMillis(); try{ Thread.sleep((long) ((1000 / FPS) - (currRenderTime - prevRenderTime))); } catch(Exception e){} if(System.currentTimeMillis() - FPSTIMER > 1000.0){ System.out.println("Process: " + (1000.0 / ticks) + "ms FPS: " + (1000.0 / frames) + "ms"); ticks = frames = 0; FPSTIMER += 1000.0; } Is there any critical difference that I'm missing here? The one thing I noticed is that if I uncap the fps for the second game loop, the stuttering goes away. It doesn't make sense to me. Also, the second game loop came from Notch's Minicraft code with just my thread sleeping code added in.

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• How to install Edubuntu on a system with low memory (256 Mb)?

  - by int_ua

  I'm preparing an old system with 256 Mb RAM to send it to some children. It doesn't have Ethernet controller and there are no Internet access at the destination. I've chosen Edubuntu for obvious reasons and modified it with UCK trying to minimize memory usage just to install, let alone using it yet. But Ubiquity won't start even in openbox (edited /etc/lightdm/lightdm.conf) because there are no space left on /cow right after booting. I've already deleted things like ibus, zeitgeist, update-manager (no network access after all), twisted-core, plymouth logos. I'm thinking about creating a swap partition on HDD, can it be later added to expand this /cow ? Is there a package for the text-mode installation which is used on Alternate CDs? I don't want to re-create Edubuntu from an Alternate CD. This behavior is reproducible in VM limited to 256Mb RAM.

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• How do I access and enable more icons to be in the system tray?

  - by Jon

  So I'm messing around with Natty a little, and I noticed that all the apps that would normally use the system tray (or "notification area"?) aren't displaying there. Is that a bug, or is that the way it's going to be? I heard something about Ubuntu getting rid of that feature entirely. Is there a way to add it back? I mean, I didn't really like it, either, especially when there were apps that used it unnecessarily, but I can't use CryptKeeper at all now, or easycrypt, and I don't know whether Dropbox has synced without opening Nautilus.

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• Why is cleverness considered harmful in programming by some people?

  - by Larry Coleman

  I've noticed a lot of questions lately relating to different abstraction techniques, and answers saying basically that the techniques in question are "too clever." I would think that part of our jobs as programmers is to determine the best solutions to the problems we are given to solve, and cleverness is helpful in doing that. So my question is: are the people who think certain abstraction techniques are too clever opposed to cleverness per se, or is there some other reason for the objection? EDIT: This parser combinator is an example of what I would consider to be clever code. I downloaded this and looked it over for about half an hour. Then I stepped through the macro expansion on paper and saw the light. Now that I understand it, it seems much more elegant than the Haskell parser combinator.

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• Mount of File System Failed. -- After upgrading from 9.04 to 9.10

  - by javanoob

  After upgrading from Ubuntu 9.04 to 9.10 i am getting this message on boot up: Mount of File System Failed. A maintenance shell will now be started. CONTROL-D will terminate this shell and retry. myusername@root:~$ After searching in google,i found out that i have to run the command fsck on the OS partition from ubuntu Live CD.. Here are my questions: 1) I dont know in which partition my ubuntu OS is installed..(Those are not user-friendly drive names to remember right :)) -- Is there any command to know in which partition my ubuntu os is installed? 2) Can i do this from Ubuntu 10.04 live CD? Thanks in Advance

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• Contract Programming - Deposit % and Payment Methods? Any advice is appreciated

  - by Rick

  I'm pretty new to doing contract work and finally landed a decent paying project. The guy actually offered to put down a deposit and I'm just wondering what percentage I should consider asking for. I was thinking around 25% since its not a terribly large project (only about 20 hours). Also, I can't use PayPal (have had a terrible experience with them freezing funds for no good reason) so I'm wondering if anyone can suggest other methods for the client to send the deposit / payment. I want to make it as easy as possible for them.. thanks for any advice

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• Can I expand my /boot without upsetting the system?

  - by Kaustubh P

  This is the current state of my partition table. As can be seen, the boot is very small, and I cant upgrade the kernel, because the update-manager tells me there isnt enough space on /boot :( Which effectively means that I cant update my kernel. Can I change the size of my boot, without necessitating a reinstall of either of the installed system? Filesystem Size Used Avail Use% Mounted on /dev/sda5 12G 4.9G 6.2G 45% / none 2.0G 284K 2.0G 1% /dev none 2.0G 8.5M 2.0G 1% /dev/shm none 2.0G 92K 2.0G 1% /var/run none 2.0G 0 2.0G 0% /var/lock /dev/sda3 42G 21G 22G 49% /media/Erste /dev/sda2 5.1G 2.5G 2.7G 48% /media/Swap /dev/sda1 30G 25G 4.9G 84% /media/Windows7 /dev/sda9 47G 28G 20G 60% /media/Zweite /dev/sda6 11G 7.6G 2.0G 80% /home /dev/sda8 49M 31M 16M 66% /boot

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• Is self learning Computer Science/programming over a college degree worth it? [on hold]

  - by user106576

  I am currently in college and I just want to skip to learning and gaining experience in what I came here to do, but unfortunately the first two years of college is general classes that everyone takes. I have a couple of friends that are also in Computer Science and we were planning on starting a small company/self employment. Would dropping out and gaining experience and a portfolio qualify for smaller companies if I look for a job there? What programs should I learn, and which ones should I learn before others to better understand the programs that are harder?

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• Two book reviews

  - by bipinjoshi

  I recently reviewed two books -  Programming Microsoft ASP.NET MVC, 2nd Edition and Programming Entity Framework - Code First. Here are the links to the complete reviews:Programming Microsoft ASP.NET MVC, 2nd Edition http://www.bipinjoshi.net/articles/43fcbd2d-2d44-4df7-9cf1-492eb63bc31a.aspx Programming Entity Framework - Code Firsthttp://www.bipinjoshi.net/articles/5e5ea033-a57e-436b-9b4c-e3638e8260b6.aspx  

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• Does ZFS cache Compressed or Uncompressed data in a ZFS file-system with compression turned on?

  - by George Bailey

  ZFS supports file-system compression and it also caches frequently or recently accessed data. If a system has lots of CPU but the underlying data storage system is slow. It is possible that ZFS would perform better with compression turned on. This can be easily tested when writing files by measuring CPU and disk usage and throughput. (of course latency may exist,, but this would not be an issue for large files). But what about cache? If data will have to be decompressed every time it is read then this is probably less of a good idea. Is the cached data compressed?. Does anybody have some information on this?

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• Tool for creating system image from DOS (should be USB bootable) ..?

  - by Ahmad

  I want to know if there's any decent tool which can be used to create the system image from DOS .. What I specifically want to do is to put the program in my FAT32 formatted USB, then boot the target computer from the USB so that the tool runs, and then it should be able to create a complete system image of the entire system, and store it on the USB itself .. Please note that I can ONLY do this from boot time because of other limitations .. I cannot go into any OS to do it from there .. So I need tools which can do this at boot time from DOS ..

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• What are the technial and programming requirements for writing a stealth keylogger?

  - by user970533

  I'm planning to write/code one such stealth keylogger that would bypass detection by a certain antivirus. (I don't want to name the vendor as I know how good Google queries are against StackExchange websites). I don't want to just download any keylogger from internet and try to encode it to evade detection. Writing code myself I would have the ability to make changes as I go; obscuration on both high-level and low-level language. I like control too. It seems naive but is it true that keyloggers are a thing of the past, probably because of how effective AV's have become in detecting such programs? I want some nice points on how can one easily write a robust, effective key logger preferably for a Windows environment?

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• HTG Explains: Live File System vs. Mastered Disc Formats in Windows

  - by Chris Hoffman

  When burning a CD or DVD with Windows, you’ll be asked whether you want to use a Live File System or a Mastered disc format. Each has its own advantages and disadvantages. Windows 7 refers to this as “Like a USB flash drive” or “With a CD/DVD player.” But how exactly can a non-rewritable disc function like a USB flash drive? HTG Explains: What is the Windows Page File and Should You Disable It? How To Get a Better Wireless Signal and Reduce Wireless Network Interference How To Troubleshoot Internet Connection Problems

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• What does "Windows is not a real-time operating system" mean?

  - by hydroparadise

  I came across an application called LatencyMon, that apparently does latency monitoring. I have always understood the more of a load you put on the processor, the less responsive, or more latent, the system becomes. However, in the second section of the LatencyMon page, the first sentence says, "Windows is not a real-time operating system". That got me thinking. I mean, is this any different from any other operatiing system like linux, unix, or OS X? Are there any "Real-Time" operating systems? Or is the merely a marketing scheme to get you to buy their product? EDIT: Also, are there any examples of RTOS's out there?

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