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  • How to convert XML to JSON in Python?

    - by Geuis
    I'm doing some work on App Engine and I need to convert an XML document being retrieved from a remote server into an equivalent JSON object. I'm using xml.dom.minidom to parse the XML data being returned by urlfetch. I'm also trying to use django.utils.simplejson to convert the parsed XML document into JSON. I'm completely at a loss as to how to hook the two together. Below is the code I more or less have been tinkering with. If anyone can put A & B together, I would be SO greatful. I'm freaking lost. from xml.dom import minidom from django.utils import simplejson as json #pseudo code that returns actual xml data as a string from remote server. result = urlfetch.fetch(url,'','get'); dom = minidom.parseString(result.content) json = simplejson.load(dom) self.response.out.write(json)

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  • ODBC Connection String Problem

    - by Brett
    Hi there, I am having major trouble connecting to my database via ODBC. The db is local (but I have a mirror on a virtual machine), so I am trying to use the connectionstring: Dsn=MonetDB;host=TARBELL where TARBELL is the name of my computer. However, it doesn't connect. BUT, this string does: Dsn=MonetDB;host=localhost as does Dsn=MonetDB Can anyone explain this? I am at a complete loss. I have taken down my firewalls (at least until I get this figured out), so that can't be the problem. I eventually want to change the TARBELL to the mirrored virtual machine running another instance of the database. Many thanks, Brett

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  • ESXi and Windows Server CPU parking

    - by Chris J
    For those that don't know, CPU parking is a feature in recent Windows Server releases that allows Windows to pretty much drop a CPU core to zero use, and having nothing use it. It's been introduced as a power-saving measure. There's more detail about it here, amongst other places. However what I'm curious about is whether this matter on a virtualised guest - or is CPU parking more of a hindrance than a help, given that the physical CPUs are managed by ESXi, not Windows, and that a parked CPU is less likely to deal with traffic unless the scheduler deems there's enough work to unpark the CPU? I've not found anything about this - I do suspect it will be very much based on a given workload, but I've not seen any discussion (unlike, say, whether hyper-threading has any effect, which seems to be discussed regularly). Whilst I do understand the "test with your workload" I was wondering if there was any advice/guidelines out there that I've missed.

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  • Textbox OnTextChanged and Button Click Event Not Firing

    - by goodwince
    I have textboxes being generated by a repeater that use OnTextChanged with autopostback enabled so that I can know when when the values change. This all works perfect. The problem starts when I try to click on any buttons on the page. The loss of focus triggers the event for the OnTextChanged; however, the event for my buttons never get fired. I checked this in the debugger and while debugging if I put a break-point in the page_load it will call both; however, without the break-point it still only calls the OnTextChanged event. I found this post on JavaScript. If my problem is also JavaScript related, why does the clicking of the button fire in debug mode? Thanks.

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  • Load Average runaway

    - by mewrei
    Is there any way to chase down lockups and runaway load averages? Every so often (pretty randomly) I'll get my load average spike up over 5 usually to around 10-15 and sometimes as high as 75 (dual core machine), and cause my system to lock for an indeterminate amount of time. The only thing I can possibly chase it to is using nVidia fakeraid (RAID-1) with JFS on top of that for my /home partition. Also I noticed that when my load averages spike, the power management system doesn't step up my processor speed from 1.6 to its maximum 2.13Ghz clock speed (not sure if this makes a huge difference with this problem). Any ideas?

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  • Windows 7 random black screen when idle

    - by Omar
    Occasionally, when I'm away from my computer for about 5 minutes, the computer screen will go black and all USB devices (keyboard/mouse) will lose power. Attempting to move the mouse or pressing keys does not 'wake up' the computer. This only started happening a few days ago but I'm not sure what changes I did could have caused this and I uninstalled programs (one by one) I installed before it started happening, but still having the same issue. The one thing I noticed different about my computer since it started happening is i've been getting random survey popups from www.insightexpress.com. I ran Microsoft Security Essentials scan, it picked up some Java related malware, I removed it but still the same issue. I'm running MBAM right now and will run SAS after.

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  • PHP explode not filling in array spot 0

    - by Billy Winterhouse
    I have a file we will call info.txt under UNIX format that has only the following in it: #Dogs #Cats #Birds #Rabbits and am running this against it: $filename = "info.txt"; $fd = fopen ($filename, "r"); $contents = fread ($fd,filesize ($filename)); fclose ($fd); $delimiter = "#"; $insideContent = explode($delimiter, $contents); Now everything looks to be working fine except when I display the array I get the following. [0] => [1] => Dogs [2] => Cats [3] => Birds [4] => Rabbits I checked the .txt file to make sure there wasn't any space or hidden characters in front of the first # so I'm at a loss of why this is happening other than I feel like I'm missing something terribly simple. Any ideas? Thanks in advanced!

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  • Minimax algorithm: Cost/evaluation function?

    - by Dave
    Hi guys, A school project has me writing a Date game in C++ (example at http://www.cut-the-knot.org/Curriculum/Games/Date.shtml) where the computer player must implement a Minimax algorithm with alpha-beta pruning. Thus far, I understand what the goal is behind the algorithm in terms of maximizing potential gains while assuming the opponent will minify them. However, none of the resources I read helped me understand how to design the evaluation function the minimax bases all it's decisions on. All the examples have had arbitrary numbers assigned to the leaf nodes, however, I need to actually assign meaningful values to those nodes. Intuition tells me it'd be something like +1 for a win leaf node, and -1 for a loss, but how do intermediate nodes evaluate? Any help would be most appreciated.

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  • VMFS recovery - how do you proceed?

    - by ToreTrygg
    The more I look into ESX the more often i have to handle cases where the partition table of a disk with a VMFS volume gets corrupted. The reasons for this can be * idiot user * failed update * power failure * .... I guess you guys must already have something like a usual procedure on how to work through this cases. I am especially interested in a straight fast way to find out if the VMFS volume itself is corrupted beyond repair. So far I use very time consuming attempts with scans with Testdisk and similar tools. Do you have better / faster ways ?

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  • How to add “chapters” or “bookmarks” to movies?

    - by Tony
    Is there an easy way to add chapters to existing movie files? Note: Actually, I’m not 100% sure if they’re called “chapters” in video files, but it’s the same concept as DVDs. I assume this differs with the video encoding, but any help at all is progress! I have video files in various formats (although .mov, .mp4, and .m4v are my most common). I’m on Mac OS X, but I posted here (instead of the Apple Q&A) because I figured any answers may be useful to other non-Apple power users. Apple-native, application-based solutions preferred (usability is top of my list). However, command-line programs and utilities that do the job are just as welcome. Please share any indirect-but-related wisdom you may have on this topic. Thanks!

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  • New build won't POST, no video, no beeps

    - by Nate Koppenhaver
    Specs: Motherboard: MSI 760GM-P23 FX Integrated graphics (on MoBo) CPU: AMD Athlon II x4 640 RAM: GeIL Pristine 4GB DDR3 Case/PSU: TOPOWER TP-4107BB-400 Is not POSTing, no video output, no beeps. When RAM is removed, 3 beeps. I have tried removing and replacing the CPU and all the power cables with no change. Resetting the BIOS (by removing and replacing the battery) did nothing as well. Is there something I'm forgetting (1st time building from components), or could one of the components be bad? EDIT: New development: with CPU and RAM installed correctly, it will turn on lights and fans (still no POST) and after running for a minute or so it will turn off and the PSU will make a buzzing noise that ceases only when unplugged.

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  • How to charge an iPhone on a Windows PC without Installing iTunes

    - by Martin Hollingsworth
    I want to be able to charge my iPhone on my work computer, which is running Windows Server 2008 SP1 64-Bit. When I plug the iPhone in with the USB cable, it will not charge. Windows attempts to locate a driver for the device but only comes up with a generic Camera device and even if I allow that to be installed, the iPhone still does not charge. I have checked the computer's BIOS settings and did not find anything relating to power on the USB devices. I also tried this on ports at the back of the computer in addition to those on the front. The PC is a Dell Optiplex 780. As far as I can tell USB devices do not charge unless Windows has installed an appropriate driver. Since it is a work computer I do not want to install iTunes which does include a driver. I have a workaround that I will post as an answer for reference.

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  • ASP.Net Application Trust Medium File IO Outside Virtual Directory

    - by Trey Gramann
    I am trying to determine how suicidal this is... I have a hosting environment where a custom ASP.Net CMS application needs to access the files in the root folder of a website even though it is in a virtual folder so it can be shared accross many sites. I can modify the Medium trust on the server and came up with this... <IPermission class="FileIOPermission" version="1" Read="$AppDir$;$AppDir$\.." Write="$AppDir$;$AppDir$\.." Append="$AppDir$;$AppDir$\.." PathDiscovery="$AppDir$;$AppDir$\.."/> Oddly enough, it works. Yes, I understand it is doing this for all the Apps. I am a bit at a loss as to easy ways to test what else is being exposed. Feels dangerous. Opinions?

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  • 3 Monitors powered from a Nvidia fx580

    - by user26067
    I have a NVidia FX580 card in a Dell Precision T1500. The outputs of the back of the card are DVI and 2x displayport. I tried to run 3 screens from the DVI + 2x displayport to dvi adaptors, but the card won't have it... It'll only run 2 of these screens at the same time. http://www.nvidia.com/object/product_quadro_fx_580_us.html says; **Display Support:** Dual Link DVI-I 1 DisplayPort 2 # of Digital Outputs 3 ( 2 out of 3 active at a time ) # of Analog Outputs 1 To me this reads that it will be able to power 2xdvi monitors and 1xvga monitor. Anyone care to confirm or speculate?

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  • BSOD error on Win7 ultimate

    - by jim
    BUG CHECK STRING = DRIVER_POWER_STATE_FAILURE BUG CHECK CODE = 0x0000009f PARAMETER 1 = 0x00000003 PARAMETER 2 = 0x85f05420 PARAMETER 3 = 0x82962ae0 PARAMETER 4 = 0x85aa2ab8 CAUSED BY DRIVER = ntkrnlpa.exe CAUSED BY ADDRESS = ntkrnlpa.exe+dcd10 FILE DESCRIPTION = NT Kernel & System Microsoft® Windows® Operating System Microsoft Corporation 6.1.7600.16385 (win7_rtm.090713-1255) 32-bit C:\Windows\minidump\111109-22198-01.dmp This is the BSOD mini dump that I have been getting recently. I was wondering if anyone had any ideas what would cause this. I just did a clean install of win7 ultimate 32 bit. I don't do a lot with this pc. Mostly surf the web and that's when it happens. My only guess is that the power supply is failing and I need a new one. I wanted to check here and see if anyone else had some other idea before I bought a new one. Thank you for any help you can give me.

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  • Using GIT Smart HTTP via IIS

    - by Andrew Matthews
    I recently read Scott Chacon's post "Smart HTTP Transport", and I was hoping that it might have become possible via IIS (windows 7) since that post was written. I haven't been able to find anything showing how it can be done, and Apache is not an option in my IIS 7 based environment. So, I'm at a loss (git daemon was foiled for me by a combination of AVG anti-virus and AD). I want to provide LDAP authenticated read/write access for selected users. So this question seems not to be relevant. Do you know of a way to provide access to GIT via IIS?

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  • Novell Netware 6 and C#

    - by user317744
    Hi, I don't know if anyone has any expertise with Novell Netware or not, but I situation where one of my clients is getting a weird error trying to move a file to a netware share. The situation is pretty complicated but I'll try and outline it as best I can. 1) The application is running as a service 2) The file to be moved is a local file in an accessible location (to the service) 3) The file is being moved with FileInfo.MoveTo(). 4) The MoveTo is throwing an IOException and the message is "a device attached to the system is not functioning". I'm at a loss as to explain what might be happening. On a side note, it seems that running a small test program interactively using the same method (FileInfo.MoveTo) to the same location works fine so it seems to be associated with the service itself. Any help would be hugely greatful. Thanks. Kristofor Wilson

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  • Restore using time machine from an macbook to an macbook pro (first intel)

    - by Anders Nørgaard
    Hello.. My girlfriend have Macbook 10.6.3, the first plastic version. the screen broke an its at service store now. In the mean time, i have tried to restore from hers TM backup to my old macbook pro 10.6.3 (the first intel version). Everything seems to work out fine, but when its finish, it says reboot, but nothing happens. When i hold down the power button, powering down, and starts again, its come up with the grey roll down screen "you need to restart your machine again" in different languages. I have tried the restore procedure over again 2 times, and every time it ends up like this... Anyone have a suggestion what to do ? Thanks - Anders.

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  • Setting empathy's idle time

    - by Sam Bisbee
    Hello - I'm using Empathy for IM on Ubuntu 10.04. In every IM client I've used since the '90s there's always been a way to set "idle me after X time", at which point it would set you as being away. Empathy seems to do this, but I haven't found a place to specify how long to wait before marking me as away. Am I missing a plugin or something in the settings? Is this somehow tied in with Gnome and the power setting's idle time? (I'm using a laptop.) Cheers.

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  • How can I connect any USB device to my computer wirelessly?

    - by daviesgeek
    I am trying to connect the Canon 550D wirelessly to my computer so that I can control it from at a distance. It can connect normally via a USB cable, so I was wondering if there was a way to plug a dongle into the computer, and a dongle into the camera so the two can connect. I'm basically looking for a really long USB cord that will work over long distances (200+ feet). Another important factor is that I really would prefer not having use a power cord, rather just plugging in a dongle, as it will make the setup more mobile. Does anything like this exist? (I know that Cables Unlimited had something like what I wanted, but they went out of business last year)

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  • Anyone have experience with Silicon Mechanics 4-Node Machines?

    - by Matt Simmons
    I'm taking a look at buying some new servers (small infrastructure, 2 racks, etc), and although I like a lot of the features in blades, I'm looking at the price point for Silicon Mechanics' 4-node machines. http://www.siliconmechanics.com/i27091/xeon-2U-4-Node.php It's a bit like a mini-blade enclosure, but has no shared resources, except for the redundant power supplies. A single point of management would be great, but for the low price point here, I'm possibly willing to give that up, if the server quality is adequate. Basically, have you used these machines? Any problems? Anything you like?

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  • Silverlight 4 - authentiation / authorization against custom wcf service

    - by Calanus
    I have a wcf service in front of an AzMan store that passes roles and operations to clients using the following interface: [OperationContract] bool AuthenticateUser(string password, string appName); [OperationContract] string[] GetRoles(string storelocation, string appName); [OperationContract] string[] GetOperations(string storeLocation, string appName, string selectedRole); Clients connect to this service using windows authentication (but users must send their password through to reaffirm their identity). Ultimately the service delivers an array of operations that each client can perform based on their selected role. I've opened a new Silverlight Business Application and tried to understand how authentication/authorization works in this template, as well as scoured the web to find examples to how to hook my webservice to the login box already created in the template, but I am completely at a loss as how to do this! Can anyone offer any advice?

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  • Ruby SerialPorts Gem

    - by Seth Archer
    Using Ruby SerialPorts Gem to interact with hardware. When I write a byte array to the hardware using a program called "Serial Port Monitor" the hardware responds correctly. However, when I write the same byte array using ruby it doesn't work unless I do a read request just before the write request. This device doesn't respond correctly with this sp = SerialPort.new(args) sp.write [200.chr, 30.chr, 6.chr, 5.chr, 1.chr, 2.chr, 0.chr, 244.chr] But it does if I add a read request before the write. Like this sp SerialPort.new(args) sp.read sp.write [200.chr, 30.chr, 6.chr, 5.chr, 1.chr, 2.chr, 0.chr, 244.chr] This works, but I'm at a loss as to why. I should also add that the first snippet does work occasionally maybe 1/10 of the time.

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  • Winform custom control in WPF

    - by Erika
    Hi, I'm inserting a custom winform control in a WPF/ XAML window, however i'm realising that the sizing seems to be very different, what i designed in winform to be 730pixels wide for instance, when placed via a WindowsFormsHost, in a container 730pixels (or at least i think they're pixels..) wide, the control looks much larger and doesnt fit in the host and results in clipping from the right and bottom. Would anyone know how to make these sizes match or something? I'm really at a loss and its very difficult to fix a custom control to make it look as it should off hand on WPF! Please help!

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  • Encode real-time dvb-s stream using mencoder

    - by karatchov
    My satellite receiver can stream the mpeg-2 video/audio output through lan. Using mencoder, I'm trying to build a script to encode and save the stream in real time with my Core2Duo 1.8 Ghz. Right now, I'm using a single pass, it produces good quality for a video rate of 800Kb/s, but takes more then 95% of CPU power, thus making a lot of frameskips is the computer is used while encoding. mencoder -o -vf lavcdeint -oac mp3lame -lameopts abr:q=2:aq=2 -ovc x264 -ffourcc avc1 -x264encopts crf=25:me=hex:subq=9:frameref=2:nocabac:threads=auto -mc 3 So, I'm considering using a 2-pass encoding to alleviate the processor and record 100% of the stream. But I have no idea how to start. For the info: Standard Stream: mpeg-2 720*576 25fps HD Stream: 1920*1080 50fps (this is not my goal to record it, but it will be super cool if I could)

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