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  • Ethernet switch capacity question

    - by Andrew Queisser
    We're looking at hooking up 48 small embedded systems with 10/100 Ethernet ports to an Ethernet switch and then have that switch talk to a server upstream via a faster connection. I have a couple of questions about that scenario: What kind of upstream connection is best (fiber, other?) Would it be reasonable to download 1GB/hour from each of the 48 systems concurrently? We'd be using some kind of TCP based protocol of our own design. Thanks, Andrew

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  • Ubuntu and Belkin N150 f6d4050 Wireless USB adapter v2

    - by Andrew
    I'm new to Ubuntu, and I'm trying to get my Belkin USB adapter to work. There are plenty of discussions out there already about this, but none really helped me out. Here's what I've done - Installed ndiswrapper Installed ndisgtk Installed the driver (rt2870.inf) via ndisgtk ndisgtk reported that the driver was installed and the hardware was present. The green light on the adapter is solid green, which I assume means that Ubuntu is aware of it's presence. However, when I click the little wireless symbol at the navigation bar, there's no option to choose my adapter (assuming that it's supposed to show up there...) My adapter version is F6D4050 - Where do I go from here? I'm a Ubuntu newb, so speak slowly. :P lsusb - andrew@ubuntu:~$ lsusb Bus 002 Device 003: ID 046d:c517 Logitech, Inc. LX710 Cordless Desktop Laser Bus 002 Device 002: ID 04f9:0229 Brother Industries, Ltd Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 001 Device 004: ID 050d:935b Belkin Components Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub lsmod - andrew@ubuntu:~$ lsmod Module Size Used by binfmt_misc 7960 1 fbcon 39270 71 tileblit 2487 1 fbcon font 8053 1 fbcon bitblit 5811 1 fbcon softcursor 1565 1 bitblit vga16fb 12757 0 vgastate 9857 1 vga16fb snd_cmipci 37557 2 snd_intel8x0 31155 2 snd_ac97_codec 125394 1 snd_intel8x0 ac97_bus 1450 1 snd_ac97_codec snd_mpu401 6875 0 snd_pcm_oss 41394 0 snd_mixer_oss 16299 1 snd_pcm_oss snd_pcm 87882 4 snd_cmipci,snd_intel8x0,snd_ac97_codec,snd_pcm_oss snd_opl3_lib 10846 1 snd_cmipci snd_hwdep 6924 1 snd_opl3_lib snd_mpu401_uart 6857 2 snd_cmipci,snd_mpu401 snd_seq_dummy 1782 0 snd_seq_oss 31219 0 snd_seq_midi 5829 0 snd_rawmidi 23420 2 snd_mpu401_uart,snd_seq_midi snd_seq_midi_event 7267 2 snd_seq_oss,snd_seq_midi snd_seq 57481 6 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_midi_event nouveau 515227 2 ttm 60847 1 nouveau snd_timer 23649 3 snd_pcm,snd_opl3_lib,snd_seq snd_seq_device 6888 6 snd_opl3_lib,snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq ns558 3704 0 ppdev 6375 0 drm_kms_helper 30742 1 nouveau joydev 11072 0 ndiswrapper 244768 0 gameport 10966 3 snd_cmipci,ns558 usblp 12407 0 asus_atk0110 10033 0 parport_pc 29958 1 serio_raw 4918 0 drm 199204 4 nouveau,ttm,drm_kms_helper i2c_algo_bit 6024 1 nouveau edac_core 45423 0 edac_mce_amd 9278 0 k8temp 3912 0 snd 71106 23 snd_cmipci,snd_intel8x0,snd_ac97_codec,snd_mpu401,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_opl3_lib,snd_hwdep,snd_mpu401_u art,snd_seq_oss,snd_rawmidi,snd_seq,snd_timer,snd_seq_device soundcore 8052 1 snd snd_page_alloc 8500 2 snd_intel8x0,snd_pcm i2c_nforce2 6099 0 lp 9336 0 parport 37160 3 ppdev,parport_pc,lp hid_logitech 8820 0 ff_memless 5109 1 hid_logitech ohci1394 30260 0 usbhid 41084 1 hid_logitech hid 83440 2 hid_logitech,usbhid usb_storage 49833 0 skge 41049 0 ieee1394 94771 1 ohci1394 sata_sil 8895 0 forcedeth 55592 0 sata_nv 23778 1 pata_amd 11962 1 floppy 63156 0

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  • Where does $PATH get set in OS X 10.6 Snow Leopard?

    - by Andrew
    I type echo $PATH on the command line and get /opt/local/bin:/opt/local/sbin:/Users/andrew/bin:/usr/local/bin:/usr/local/mysql/bin:/usr/local/pear/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/X11/bin:/opt/local/bin:/usr/local/git/bin I'm wondering where this is getting set since my .bash_login file is empty. I'm particularly concerned that, after installing MacPorts, it installed a bunch of junk in /opt. I don't think that directory even exists in a normal Mac OS X install. Update: Thanks to jtimberman for correcting my echo $PATH statement

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  • Lotus Domino Administrator client missing

    - by vit
    Hi, I have just installed the trial version of Lotus Domino and now I'm pulling my hair out as for some stupid reason I can't find the Domino Administrator client. I have found multiple suggestions on various websites where to download it from, but all of them lead to the same section of the IBM website which actually only has the Lotus Notes client, despite the page title. What am I missing here and where do I find the client? Thank you.

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  • Sync desktop Mac environment to laptop

    - by Andrew Vit
    I spend the majority of my time working at my desktop Mac, which I have configured for my web development environment. My spouse has a MacBook for casual use, and I occasionally steal it back when I need to work off-site, or when travelling. The question is how to best synchronize the two so I can switch between them more readily. I've solved a few obvious things by using online services: Email is hosted on IMAP. Working files are in Dropbox. Source code is managed in git. However, the following are things I always miss when jumping on the laptop: Installed Applications (current versions) Installed libraries & utilities (/usr/local) Apache VirtualHosts & other configurations (/etc) Disk image files for VMs My current method is to connect the MacBook via Firewire target mode and rsync the /Users/me home directory, and then cherry-pick the other items I need from Applications, /etc and /usr/local. The problem with this method is that it can be very time consuming due to things like my virtual machine image files, cached emails, etc. How can I make this faster & easier? Can you recommend a solution for configuration management (so I can repeatably install & configure the same software on both), or synchronization (so I can bring the MacBook up to date nightly, over our home network)?

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  • Fix bad blocks on Mac hard disk

    - by Andrew Vit
    I have a hard disk that I scanned with TechTool and it reports one bad block. As far as I can tell, TechTool only scans and reports a failure. It doesn't fix anything. Back in the day, Norton Disk Doctor did the job of scanning and flagging (remapping) bad blocks on the Mac. Today we have various tools for fixing up HFS+ directory errors (Disk Utility, fsck, DiskWarrior, TechTool), but I don't know of any tool that will do a surface scan and fix the bad blocks too. What software is available for this? If I know the address of the bad block, is there a low-level terminal utility for marking it?

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  • How to disable augroup in vim?

    - by Andrew Vit
    I understand that in my vimrc I can add autocmd, and I can group them into augroup. Once they are grouped, what can I do with the group? Specifically, is there a way to disable the whole group at once? Looking at the help, I only see two options: augroup! will delete the whole group: I don't think this is right since I will want to re-enable it again. Searching for "aucmd" and "disable" brings up eventignore, but this looks like it's for specific events like CursorMoved, BufWinLeave, etc. and not the command or the group itself. How is this done?

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  • Podcast Show Notes: The Big Deal About Big Data

    - by Bob Rhubart
    This week the OTN ArchBeat kicks off a three-part series that looks at Big Data: what it is, its affect on enterprise IT, and what architects need to do to stay ahead of the big data curve. My guests for this conversation are Jean-Pierre Dijks and Andrew Bond . Jean-Pierre, based at Oracle HQ in Redwood Shores, CA, is product manager for Oracle Big Data Appliance and Oracle's big data strategy. Andrew Bond  is Head of Transformation Architecture for Oracle, where he specialzes in Data Warehousing, Business Intelligence, and Big Data. Andrew is based in the UK, but for this conversation he dialed in from a car somewhere on the streets of Amsterdam. Listen to Part 1What is Big Data, really, and why does it matter? Listen to Part 2 (Oct 10)What new challenges does Big Data present for Architects? What do architects need to do to prepare themselves and their environments? Listen to Part 3 (Oct 17)Who is driving the adoption of Big Data strategies in organizations, and why? Additional Resources http://blogs.oracle.com/datawarehousing http://www.facebook.com/pages/OracleBigData https://twitter.com/#!/OracleBigData Coming Soon A conversation about how the rapidly evolving enterprise IT landscape is transforming the roles, responsibilities, and skill requirements for architects and developers. Stay tuned: RSS

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  • How OS manage running programs

    - by Vit
    Hi, since windows is multitasking OS, it must somehow switch between processes. But how is it done? Does windows include some kind of breakpoints into running programs, which should switch to other process? Becouse when program is executed, it takes control of CPU. So to enable multitasking OS must include some break instruction into the program. Am I right?

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  • Sync desktop Mac environment to laptop

    - by Andrew Vit
    I spend the majority of my time working at my desktop Mac, which I have configured for my web development environment. My spouse has a MacBook for casual use, and I occasionally steal it back when I need to work off-site, or when travelling. The question is how to best synchronize the two so I can switch between them more readily. I've solved a few obvious things by using online services: Email is hosted on IMAP. Working files are in Dropbox. Source code is managed in git. However, the following are things I always miss when jumping on the laptop: Installed Applications (current versions) Installed libraries & utilities (/usr/local) Apache VirtualHosts & other configurations (/etc) Disk image files for VMs My current method is to connect the MacBook via Firewire target mode and rsync the /Users/me home directory, and then cherry-pick the other items I need from Applications, /etc and /usr/local. The problem with this method is that it can be very time consuming due to things like my virtual machine image files, cached emails, etc. How can I make this faster & easier? Can you recommend a solution for configuration management (so I can repeatably install & configure the same software on both), or synchronization (so I can bring the MacBook up to date nightly, over our home network)?

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  • How to disable autocmd or augroup in vim?

    - by Andrew Vit
    Given I have a group of commands such as: augroup MyGroup autocmd CursorMoved * silent call MyCommandOne() augroup END I want to disable all the autocommands in MyGroup for a time and then re-enable it later. Is there anything I can do with the group? Specifically, is there a way to disable the whole group at once? If not, what can I do to disable individual commands? Looking at the help, I only see a few options: augroup! will delete the whole group: I don't think this is right since I will want to re-enable it again. (But maybe there's a way to easily redefine the group again?) :noautocmd will only disable the callbacks for a one-off invocation of a command. (And it disables all autocmds, not specified ones) eventignore addresses the event binding, not the command: it sounds like it disables all bound commands for a given event, not just one command or a group I can specify. How is this done?

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  • GA-P55A-UD4 SYSFAN 2 problem....

    - by Vit
    Hi, I have some strange problems with the mobo in title. I have two fans connected to SYSFAN 1 and 2. Both are the same temp regulated Arctic Cooling F12. They are regulated thru temp sensor which is in different cable from fan. It connects to the 3 pin. So, I connected them to SYSFAN 1 and 2 MB ports. The problem is, when PC starts, the fan connected to SYSFAN 1 spins nice and is reporting speed to BIOS. But second fan connected to SYSFAN 2 starts to spin, than stops. I tried to warm the sensor with no help. Also, in BIOS I found no feature about SYSFAN 2 mode or something. I tried the fan itself by connecting it to PWR fan connector and it works fine. But obviously I want it to operate in SYSFAN 2. Please if you have any advice, help. Thanks.

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  • Django inlineformset validation and delete

    - by Andrew Gee
    Hi, Can someone tell me if a form in an inlineformset should go through validation if the DELETE field is checked. I have a form that uses an inlineformset and when I check the DELETE box it fails because the required fields are blank. If I put data in the fields it will pass validation and then be deleted. Is that how it is supposed to work, I would have thought that if it is marked for delete it would bypass the validation for that form. Regards Andrew Follow up - but I would still appreciate some others opinions/help What I have figured out is that for validation to work the a formset form must either be empty or complete(valid) otherwise it will have errors when it is created and will not be deleted. As I have a couple of hidden fields in my formset forms and they are pre-populated when the page loads via javascript the form fails validation on the other required fields which might still be blank. The way I have gotten around this by adding in a check in the add_fields that tests if the DELETE input is True and if it is it makes all fields on the form not required, which means it passes validation and will then delete. def add_fields(self, form, index) #add other fields that are required.... deleteValue = form.fields['DELETE'].widget.value_from datadict(form.data, form.files, form.add_prefix('DELETE')) if bool(deleteValue) or deleteValue == '': for name, field in form.fields.items(): form.fields[name].required= False This seems to be an odd way to do things but I cannot figure out another way. Is there a simpler way that I am missing? I have also noticed that when I add the new form to my page and check the Delete box, there is no value passed back via the request, however an existing form (one loaded from the database) has a value of on when the Delete box is checked. If the box is not checked then the input is not in the request at all. Thanks Andrew

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  • Windows update error: Code 80072F8F (possibly datetime-not-correct, but it is)

    - by Andrew
    I have a Windows 2008 Server 64bit installation running as a virtual instance with a hosting provider. Windows Update has worked fine until IE8 (along with some other updates) managed to get installed (don't get me started). Now all of a sudden Windows Update fails to run and complains with error 80072F8F. UPDATE: I've since removed IE8 and am still having issues (tissues are on order) This apparently means that the time/timezone of the server is incorrect - which is not the case. I've synced the time with a time server and rebooted a number of times. I've followed the instructions here (http://support.microsoft.com/kb/929458) to no avail. Thanks! Andrew

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  • Ideas for scaling out database architecture

    - by andrew
    We're looking to scale out our existing database architecture and need some advice on which way to go. We currently have 2 web servers behind a load balancer that both read & write to a single master database which replicates to a slave. Ideally, I'd like each of the webservers to point to their own master DB and have the data between the 2 synchronised but from what I've read, using any kind of master-master or ring-replication is discouraged. I'm looking for a general "what do other people do" kind of answer - database vendor isn't a concern at the moment but we'd like to stay with MySQL or convert to MSSQL. Any ideas would be gratefully received. Many thanks, Andrew

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  • Domains propagation issues.

    - by Andrew
    Hello to all. I got very strange issue, really weird. On weekend, May 9th I changed my server location from US to UK. Of course, everything works correctly excluding domains. There's something wrong. I got few domains on this server but I still cannot access them. When I try from the other location it works correctly. The most funny situation is that everything is working correctly from my girlfriend's work, about 500 meters from our house, but they have another ISP. It also works when I access the domains via proxy server. I checked who.is informations and everything seems to be working. On Sunday and today morning I was able to access my domains but only for a while. When I refreshed website second time I got error "Firefox was not able to connect server". Since then I'm still getting this error. Could it be my ISP fault? Regards, Andrew

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  • Logging in with a different password than the database password, PHPMyAdmin

    - by Andrew M
    I am trying to install PHPMyAdmin on my server to manage my MySQL databases. Right now I have only one I want to add, but I would like to be able to manage multiple databases from the same account on PHPMyAdmin. How would I configure PMA so I could login with "andrew" and a password of "examplepassword" instead of the annoyingly long and unchangeable database user and password I am provided (ie. db3483478234, password of random characters)? I can't seem to find an area to specify a different password than the regular database username and password.

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  • Checkout multiple revision of one file in CVS repository

    - by Andrew
    Hi, To checkout I use the following command CVSROOT="/home/projects/stuff/" cvs co mywork with the mywork directory I have text files as well as pictures, i.e., looks something like this - paper.tex - pic1.jpg - pic2.jpg etc. In particular, I am interested in checking out all the version of paper.tex over time. Is there a way how I can check all revisions of this file out at once? Or which command can I use to see when revision have been made to this particular file? many thanks for your help, Andrew

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  • Smallest executable for Windows

    - by Andrew Warren
    Hi I need to create a very simple GUI application for Windows(open a file, do some changes based on user input, upload the file to an intranet server). The client company has the latest release versions of Java SE, .NET and Adobe AIR installed on all their machines. And their #1 requirement is to have the smallest possible package for xcopy deployment. So which of the 3 listed platforms should I use? Another option of course is a native exe. Thanks, Andrew

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  • Checkout multiple revision of one file in SVN repository

    - by Andrew
    Hi, To checkout I use the following command CVSROOT="/home/projects/stuff/" cvs co mywork with the mywork directory I have text files as well as pictures, i.e., looks something like this - paper.tex - pic1.jpg - pic2.jpg etc. In particular, I am interested in checking out all the version of paper.tex over time. Is there a way how I can check all revisions of this file out at once? Or which command can I use to see when revision have been made to this particular file? many thanks for your help, Andrew

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  • Any good open source online RPG starter kit for development ?

    - by Andrew Sky
    Hi there, Does anyone know of a good open source toolkit that allows level designer and graphic designer or someone with basic programming experience to create multiplayer online Role Playing Game ? The game can be a simple 2D interface in a 2d virtual world. I know Microsoft have a starter kit something like the following : http://creators.xna.com/en-US/starterkit/roleplayinggame that allows developer to create RPG game running on XBox platform but i am looking more on multiplayer role playing game on the web platform where player can play directly with their browser. regards Andrew

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  • jqgrid and django models

    - by Andrew Gee
    Hi, I have the following models class Employee(Person): job = model.Charfield(max_length=200) class Address(models.Model): street = models.CharField(max_length=200) city = models.CharField(max_length=200) class EmpAddress(Address): date_occupied = models.DateField() date_vacated = models.DateField() employee = models.ForeignKey() When I build a json data structure for an EmpAddress object using the django serialzer it does not include the inherited fields only the EmpAddress fields. I know the fields are available in the object in my view as I can print them but they are not built into the json structure. Does anyone know how to overcome this? Thanks Andrew

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  • Changing default logical filename in SQL 2005

    - by Andrew
    I have a issue about creating databases in SQL 2005. I want to be able to change the default logical filename for the mdf file. At the moment the log logical filename ends in _log by default. I want the data logical filename to automatically end with _data for consistency. Is there a way i can set this? Andrew

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  • Allow unregistered paypal users to make payments

    - by andrew
    Hi i am integrating paypal web payments standard into my shopping cart using the setup where you just send a form to paypal with all the values in hidden fields. I want to enable the option that allows people to make payments even if they are not a registered paypal user. I am sure i read somewhere in the paypal documentation but now i can't find it. Thanks a lot Andrew

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