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  • CPU I/O communication

    - by b-gen-jack-o-neill
    Hi, I know there is this question already discussed, but I still don´t understand something, so please just help me clarify it. What I understand there is 2 way to do I/O aka communicate from CPU with other HW. One is to use in and out instructions, and second is the memory mapped. But what I don´t actually understand is, is IN and OUT instructions are used, you define source port. But what is this port? I mean, is it different set of pins on CPU or what? And, to what is that port connected? And for the memory mapped, I miss just a tiny detail. Wheather memory mapped I/O must be first set by IN and OUT instructions, or does the device actually somehow itself connects to the RAM and reads it? Thanks.

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  • Windows XP 'graphical' analog to sudo

    - by wuser
    Is there any convinient one util? I already know about runas feature. You have to accomplish too many steps to use it: after bringing up shift menu you need to press Tab, select admin user, again tab and finally type password. Besides you can't make it 'remember' password for some time or run msi installers this way.

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  • Xen on bare metal, Mac OS X 10.6, Vista, Debian as guest OSes

    - by Mischa Arefiev
    I have: a desktop PC (Athlon 64, 2 cores) ...that came with Windows Vista, and a retail DVD of Mac OS X 10.6 I want: to install Mac OS X through Hackintosh (I believe my hardware is suitable), to also run Windows Vista with full 3D support for video games and Youtube, to also run Debian GNU/Linux with optional 3D for work. I don't think my CPU supports VT-x, but it should have AMD-V. So the question is: Can all of this be done with Xen (Xen on bare metal, all three OSes as guests)? Or should I just try to install OS X first and then run Vista and Debian in Parallels?

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  • problem with crating table on phpMyAdmin database

    - by tombull89
    Hello all, I'm running a phpMyAdmin Database on my web package on a 1and1-hosted server. I've managed to set up a database in the control panel, have uploaded all to root/phpmyadmin and changed the config.ini.php file to point at 1and1's database server (because that's the way they do it). I can go to the web interface and get to the main page, but all it shows is the database name and I can't find how to create any tables. I know it's a long shot but I'm almost out of ideas. Also, 1and1 have their own phpmyadmin panel, which is pretty annoying to use, and a 1and1 webdatabase which I have barely looked at. Help and suggestions much appriciated.

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  • DNS cache-on-demand server in Win7

    - by Andrew Heath
    I live in a country that enjoys manipulating DNS entries for fun and profit. For various reasons, I cannot surf with a VPN running 100% of the time. Because some sites are only blocked via DNS spoofing, it would be very handy if I could run a local DNS server that I could update on command during active VPN sessions. Is this granularity possible on Win7? Most of the DNS server related posts on SU are regarding the more config-friendly Linux platforms...

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  • Unable to watch a high resolution and high frame rate video

    - by Abhijith Madhav
    I have a video of a tennis match whose Resolution = 1280 * 720 Codec = H264 Frame rate = 50fps (Copy paste from info given by totem media player) My laptop is not powerful enough to play this video smoothly. How can I reduce the frame-rate of this video so that my laptop can play it? I have observed that my laptop can play videos with 25fps without an issue. I use ubuntu. I wouldn't mind using windows to edit/re-encode this video.

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  • Remote Desktop not following display settings

    - by John
    I have my RDP client set up to use highest settings for connecting to another PC on my LAN, which has display settings 1280x1024x32bit. RDP is specifically set to use 32bit depth, but when I connect it drops to 16bit. The PC I connect to is (amongst other things) used to do some 3D graphics. I don't expect great performance, just to check it works... but it doesn't over RDP, the 3D app doesn't think the hardware is the same. Does RDP's integration with Windows mean it is providing some virtualised rendering system? Should I use something less 'clever' like VNC, to literally screen-grab the contents of the screen without altering the settings?

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  • Why can't I create soft link on vboxsf file system?

    - by Artem Ice
    ln -s keeps saying me that file system is read-only, however it is not. ice@distantstar:~/virt ? touch file ice@distantstar:~/virt ? rm file ice@distantstar:~/virt ? ln -s ~/.bashrc ~/virt/.bashrc ln: failed to create symbolic link `/home/ice/virt/.bashrc': Read-only file system ice@distantstar:~/virt ? mount | grep virt none on /home/ice/virt type vboxsf (rw,nodev,relatime) ice@distantstar:~/virt ? cat /etc/fstab | grep virt VIRT /home/ice/virt vboxsf rw 0 0

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  • Check for Apache state in Linux

    - by loulouzekiller
    Hi i have a java application that starts/stops/restart Apache and it should also check for its status, so i have looked how checking for status of apache and it appears that you have to check for the state of the service, problem is that when i use apachectl start the service httpd is still not started, is that normal ? i check for the service state by doing service httpd status . [root@lxrdcpsm ~]# service httpd status httpd is stopped [root@lxrdcpsm ~]# /apps/apache/2.4.4/bin/apachectl start httpd (pid 20502) already running [root@lxrdcpsm ~]# service httpd status httpd is stopped [root@lxrdcpsm ~]# /apps/apache/2.4.4/bin/apachectl stop [root@lxrdcpsm ~]# service httpd status httpd is stopped [root@lxrdcpsm ~]# /apps/apache/2.4.4/bin/apachectl start [root@lxrdcpsm ~]# service httpd status httpd is stopped [root@lxrdcpsm ~]#

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  • GA 8KNXP Rev1.0: 4 GB installed, only 3.5 GB recognized by BIOS

    - by hurikhan77
    I've installed 2x 1 GB and 4x 512 MB memory into my GA-8KNXP system which would sum up to 4 GB. The specification from the manual says: Maximum memory support: 4 GB. If all six slots are utilized, slot 5+6 may only equipped with single-sided RAM modules. And so I did. Anyway: The BIOS counts up to 3.5 GB and finishes there. Also my Linux system reports only 3.5 GB of memory although 4 GB memory support is activated in the kernel. So I suppose this is a memory mapping issue or a hardware issue. I've tried removing only on of the 512 MB memory modules leaving 5 modules in place. But that just stopped the system from powering on correctly (screen stays black although fans and leds come to live). Dual Channel was detected and enabled so the system technically found all 6 modules. "dmidecode" in Linux reports only memory in slots 1 to 4 and ignores slots 5+6, so it only detects 3 GB of memory. It also says the system would support up to 16 GB of memory with 4 GB modules per slot. I think technically the chipset should be able to offer and utilize the complete 4 GB memory range. Any clues what else I could check? Or do I have just to live with 0.5 GB wasted memory?

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  • Windows keyboard macro playback software?

    - by WilliamKF
    Many years ago, I had a product called Quickeys for the Macintosh that allowed me to record keyboard and mouse events and create a macro that could be assigned to a keyboard accelerator. This was a really useful tool, but I haven't seen anything like it ever on Microsoft Windows OS platform. Does such a product exist?

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  • Add a git repository to FishEye

    - by lostInTransit
    Hi I am trying to find some help on the FishEye documentation to help me add a git repository to it. This is all I can get and I have no idea what to put in the repository location (git://, ssh://, https:// which URL do I put there?) Can someone please help me out! Thanks.

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  • is it worth defragging an iPod

    - by alimack
    Essentially my 5G iPod was cutting tracks off and generally misbehaving. So I did the following: 1) Use Diskwarrior - heavy directory fragmentation which it fixed; 2) Use iDefrag - some fragmentation but it kept halting as it couldn't move files; 3) Try to write out drive with Disk Utility - got a warning from DU so gave up before I started; 4) Completely restored using iTunes; 5) Reran Diskwarrior - still heavy directory fragmentation; 6) Reran iDefrag, still fragmentation although limited to two bands; The iPod is much quicker to traverse menus and no more track skipping. My question is this - is defragging worth it or does the heat generated by the process kill the drive and make it a self-defeating process. Anyone have any metrics/ figures? Clearly it's a bad idea for solid state drives like the nano & touch.

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  • Spreadsheet functions to query route planner for travel time/distance

    - by Rich
    I would like to achieve something whereby I have a spreadsheet such that the columns are: Column A - place name Column B - place name Column C - distance by road between places in columns A and B Column D - travel time by road between places in columns A and B I thought it might be possible using Google Docs' spreadsheet and its 'Google' functions, but I've not found any that might do the trick. In the end I could knock up an app to do it using the Google Maps API but would rather avoid it if I can.

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  • Pong: How does the paddle know where the ball will hit?

    - by Roflcoptr
    After implementing Pacman and Snake I'm implementing the next very very classic game: Pong. The implementation is really simple, but I just have one little problem remaining. When one of the paddle (I'm not sure if it is called paddle) is controlled by the computer, I have trouble to position it at the correct position. The ball has a current position, a speed (which for now is constant) and a direction angle. So I could calculate the position where it will hit the side of the computer controlled paddle. And so Icould position the paddle right there. But however in the real game, there is a probability that the computer's paddle will miss the ball. How can I implement this probability? If I only use a probability of lets say 0.5 that the computer's paddle will hit the ball, the problem is solved, but I think it isn't that simple. From the original game I think the probability depends on the distance between the current paddle position and the position the ball will hit the border. Does anybody have any hints how exactly this is calculated?

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  • Merge changes in Microsoft Word documents

    - by Álvaro G. Vicario
    I'm using Microsoft Word 2002 to maintain some documentation. The documents are stored in a version control repository (Subversion) together with the source code it documents. My Subversion client (TortoiseSVN) comes with a little VBA script that allows to leverage the built-in revisions feature when merging different branches. In other words, when I want to copy changes from one document to another, Word compares both documents (source and target) and builds a third document that has the contents of the source doc tagged as revisions, so I can then review differences one by one and confirm or discard changes. While this is handy, it also means that making a single change to the source document forces me to review all the differences between both documents and discard all of them except the only actual change. My questions is... Do you know about an application or plug-in that's able to find the differences between two Word documents and apply those differences to a third document? (I know 2002 is very old but that's what my company gives me; I'm open to solutions that use newer versions though.)

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  • rEFIt can't sync GPT and MBR after resizing boot camp partition

    - by benwad
    I've been trying to follow the instructions here to increase the size of my boot camp partition: http://plonsdale.wordpress.com/2011/06/24/tech-tip-increasing-the-size-of-a-bootcamp-partition-with-free-tools/ I got as far as step 3 when I booted from the rEFIt CD. I selected the partitioning tool and it gave me the following message: Error: Not Found returned from gptsync.efi Now the Windows boot camp partition doesn't show up when I hold alt when starting my mac. Trying to boot into Windows using the rEFIt CD gives me a message saying no Windows installation is found. I then booted off the Windows 7 install CD and the 'repair' option gave me this message: This version of System Recovery Options is not compatible with the version of Windows you are trying to repair. Try using a recovery disc that is compatible with this version of Windows ...and if I try and go install a fresh version of Windows on this partition using the 'Custom (advanced)' option I get an error about the partition saying: Windows cannot be installed to this disk. The selected disk is of the GPT partition style

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  • How to install non Microsoft USB device driver on PC without admin rights?

    - by Ron
    I am running Win 7x32 secured corporate laptop. My USB audio device has .exe installer file which is not possible to execute because of having no admin rights. Is it possible to embed driver files in the system without installation? All attempts of unpacking the .exe file got failed. 7zip is extracting files without extensions and Universal Extractor says that .exe file is 7zip self extracting archive. Thank you Ron

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  • Windows Firewall: How to allow traffic on port 8080?

    - by Chadworthington
    I am trying to configure team Foundation Server so that 1) it is accessible from within my Home Network 2) and then make the Web site access accessible via the Internet I have a problem with point 1: When I access http://192.168.1.106:8080/tfs/web/ locally from 192.168.1.106, it works. When I access the same web site from another PC in my home network, the abive URL works only if I turn of the Firewall on 192.168.1.106. Can someone please tell me specifically how to allow traffic on port 8080 without turning off Windows Firewall? It seems that the exceptions that I specify are intended for listing programs on the box that need to communicate out. Is IIS the program that I need to make the exception? How do I specify that port 8080 traffic should be allowed for web site traffic on this port? I hope to have success with pt. 2 later but I figure (1) should be done first. I expect issues.

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  • Ghosting context menu clicks in WinXP

    - by Swish
    Let me preface by saying I have a lot of windows open most of the time, although not resource intensive ones, just browsers, ssh sessions, a music player, FTP client, Notepad++, IM clkients, etc. Anyway, I get a lot of weird visual "ghosting" type effects. For example when right-clicking and then selecting an option from a context menu the selected item will remain in view until I right click somewhere on the desktop. Same thing happens when selecting items from the File, Edit, etc. menu in various programs. I'm assuming this is just a result of a less than high quality video card (NVIDIA GeForce FX 5200), all the other hardware in the machine is newer higher quality, that specific video card was added after the fact for multiple monitors. I have looked all over the web for solutions and have increased the number of GDI handles for Windows, reduced the hardware accelaration on the card, etc. Any suggestions other than replace the card?

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  • Problem with ping/DNS

    - by bublegumm
    When I am pinging non-existing host like 'zzz' or 'qwerty' I am getting the following result Pinging zzz.kanisa.com [209.62.20.200] with 32 bytes of data: Reply from 209.62.20.200: bytes=32 time=60ms TTL=46 Reply from 209.62.20.200: bytes=32 time=66ms TTL=46 It looks like a virus to me. But I was unable to find a solution on web. Any ideas how to fix it?

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