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  • Copying contents of a model

    - by Hulk
    If there exists an old data of a model say , query=Emp.objects.filter(pk=profile.id) Is there a easier way to copy the same values into the same model again.. Now that the id will be different so.. I have this requirement. Thanks..

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  • Firebug not breaking on errors

    - by stormdrain
    Hi. I reinstalled Firefox today, because... whatever. I reinstalled firebug, therefully, and now when I try to use it, it's all different. I believe it is the same version I had before. In fact, I even went digging through my trash and replaced the new firebug with the one I removed with the old Firefox. They ended up being the same version (1.5.3). My issue is, when I have an error in my script somewhere, it used to be that if on the script pane of firebug, the script would break on the error, and the script page would go to the offending line, highlighted, and all was right with the world. Now, it logs the error in the console, and that's it. I've spent the better part of the last hour trying to convince myself this isn't worth an ulcer; I am losing the battle, though. I've searched Google, put ads on Craigslist, even thought about becoming a cop. There were some examples on the Firebug dox, but none of them helped. A bunch of old references to a mysterious (break on all errors) option; an option which I think I might have set by accident--there is a little red circle-slash on my pause button (that's what she said), but there the script continues, all on its own. There was a guide somewhere on the firebug pages that spoke of setting the breakpoint next to the error in the console. I, however, don't have this option for some reason. The line of code is there in the console, but no breakpoint button next to it. This, however, would not be ideal even if it worked. I liked it when I could have the script page open, and if there were errors it would jump to that line. I could try to fix it, and re-load the page. If that line was fixed, GREAT, on to the next error on the page -- which would be highlighted and ready. I would like to offer a solicitation of help. Help.

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  • Python Class which checks input before passing to console (C) program

    - by Joseph Melettukunnel
    Hello, We are asked to write a web-frontend (in python) for a very complex (and old) console application, written in C. Since we have no access to the C Source Code, and we assume that there might be some unsafe methods, we'd like to check the input which will the passed to the console application. WebClient - Python Module - Console Application Do you have any suggestions or tips what we should check for? Right now we are only limiting the string length and filtering some (program specific) unallowed keywords. Thanks, Joseph EDIT: Will remove strings like %s because of format string attacks

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  • Capturing IR Data using VB.NET

    - by E-Q
    Just found an old IR reciever (Microsoft eHome Infared Transceiver) and i'm trying to write an application that can use data it captures... Any examples or jumping off points for this are appreciated. Thanks!

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  • rewrite 301 replace domain name with a new domain name

    - by user172697
    Hello , guys I need some help on mod rewrite 301 , to redirect my old website address to the new address , here is my scenario ive www.domain1.com/page1/ want to be redirect to domain2.com/page1/ ive to replace all request goes to domain1 with domain2 and keep the page after .com so watever was after .com should be the same just replace domain1 with domain2 . anyone can help me with this Regards

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  • pass by reference or pass by value?

    - by Sven
    When learning a new programming language, one of the possible roadblocks you might encounter is the question whether the language is, by default, pass-by-value or pass-by-reference So here is my question to all of you, in your favorite language, how is it actually done? and what are the possible pitfalls? your favorite language can, of course, be anything you have ever played with: popular, obscure, esoteric, new, old ...

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  • Expected output from an RM-1501 RS232 interface?

    - by Jon Cage
    I have an old RM-1501 digital tachometer which I'm using to try to identify the speed of an object. According to the manual I should be able to read the data over a serial link. Unfortunately, I don't appear to be able to get any sensible output from the device (never gives a valid speed). I think it might be a signalling problem because disconnecting the CTS line starts to get some data through.. Has anyone ever developed anything for one of these / had any success?

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  • How to count differences between two files on linux?

    - by Zsolt Botykai
    Hi all, I need to work with large files and must find differences between two. And I don't need the different bits, but the number of differences. For the differ rows I come up with diff --suppress-common-lines --speed-large-files -y File1 File2 | wc -l And it works, but is there a better way to do it? And how to count the exact number of differences (with standard tools like bash, diff, awk, sed some old version of perl)? Thanks in advance

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  • How much abstraction is too much?

    - by Daniel Bingham
    In an Object Oriented Program: How much abstraction is too much? How much is just right? I have always been a nuts and bolts kind of guy. I understood the concept behind high levels of encapsulation and abstraction, but always felt instinctively that adding too much would just confuse the program. I always tried to shoot for an amount of abstraction that left no empty classes or layers. And where in doubt, instead of adding a new layer to the hierarchy, I would try and fit something into the existing layers. However, recently I've been encountering more highly abstracted systems. Systems where everything that could require a representation later in the hierarchy gets one up front. This leads to a lot of empty layers, which at first seems like bad design. However, on second thought I've come to realize that leaving those empty layers gives you more places to hook into in the future with out much refactoring. It leaves you greater ability to add new functionality on top of the old with out doing nearly as much work to adjust the old. The two risks of this seem to be that you could get the layers you need wrong. In this case one would wind up still needing to do substantial refactoring to extend the code and would still have a ton of never used layers. But depending on how much time you spend coming up with the initial abstractions, the chance of screwing it up, and the time that could be saved later if you get it right - it may still be worth it to try. The other risk I can think of is the risk of over doing it and never needing all the extra layers. But is that really so bad? Are extra class layers really so expensive that it is much of a loss if they are never used? The biggest expense and loss here would be time that is lost up front coming up with the layers. But much of that time still might be saved later when one can work with the abstracted code rather than more low level code. So when is it too much? At what point do the empty layers and extra "might need" abstractions become overkill? How little is too little? Where's the sweet spot? Are there any dependable rules of thumb you've found in the course of your career that help you judge the amount of abstraction needed?

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  • WiX - Passing parameters to a CustomAction (DLL)

    - by glenneroo
    I've got a DLL from an old WiSE installer that i'm trying to get working in WiX, so i'm pretty sure the DLL works with MSI-based installers. Here is my definition: <Binary Id="SetupDLL" SourceFile="../Tools/Setup.dll" /> <CustomAction Id="ReadConfigFiles" BinaryKey="SetupDLL" DllEntry="readConfigFiles" /> and usage: <Publish Dialog="InstallDirDlg" Control="Next" Event="DoAction" Value="ReadConfigFiles" Order="3">1</Publish> Where exactly can I pass in parameters?

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  • jboss envers for versioning?

    - by cometta
    I have entities that required versioning support and from time to time, i will need to retrieve old version of the entity . should i just use options available 1. http://stackoverflow.com/questions/762405/database-data-versioning 2. jboss envers (can this be used on any web server,tomcat,jetty, appengine) ? 3. any similar library like jboss that ease to do versioning?

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  • [Flex] What is new functionality 'Sparks' that appears in the Flash Builder 4 ?

    - by ignatius
    Hello, i just checking Flash Builder 4 ( i come from Flex builder 3 ), and it was painfull to see that old CSS visual editor, that it was very convenient for skinning components, has dissapear when select version 4. Also creating new project appear option between Mxml and 'Mxml+Spark'. What is this spark? Do you recommend using this? What are the strong point over tradicional CSS editing? i am a little bit confused with this. Br.

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  • DirectoryEntry to change password: Different behavior between Vista/Server2008

    - by Gnucom
    Hey everyone, On a Vista dev machine I used this code successfully to change user "Administrator" password: directoryEntry.Invoke("SetPassword", "new"); When I moved it over to my Server 2008 dev machine that code did not work, and I was forced to use the following code: directoryEntry.Invoke("ChangePassword", new object[] { "old", "new" }); My question is, why? For both cases, I created my DirectoryEntry object as such: DirectoryEntry directoryEntry = new DirectoryEntry(string.Format("WinNT://{0}/{1}", computerName, username)); Thanks! 8)

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  • How do you fix an SVN 409 Conflict Error

    - by NerdStarGamer
    I used to use SVN 1.4 on OS X Leopard and everything was fine. A couple of weeks ago I installed a fresh copy of OS X 10.6. The version of SVN that comes with Snow Leopard is 1.6.5. I went ahead and built my own copy with 1.6.6. I'm using the built in apache server and just hosting repositories locally. Everything appeared to work fine until I actually tried to commit something. Everytime I try to commit a change, I get the following message: Transmitting file data .svn: Commit failed (details follow): svn: MERGE of '/svn/svn2': 409 Conflict (http://localhost) This happens with my old repositories, so I created a couple of new ones. Same deal. I also tried using the 1.6.5 version that comes with the system...same. Finally, I tried upgrading to the latest stable SVN (1.6.9) and still got the same problem. The Apache error logs the following for each failed commit: [Mon Mar 29 19:53:10 2010] [error] [client ::1] Could not MERGE resource "/svn/svn2/!svn/act/d399326f-c20f-424f-bb68-3bb40503b5b1" into "/svn/svn2". [409, #0] [Mon Mar 29 19:53:10 2010] [error] [client ::1] An error occurred while committing the transaction. [409, #2] [Mon Mar 29 19:53:10 2010] [error] [client ::1] Can't open directory '/usr/local/svn/svn2/db/transactions/5-6.txn/\xeb\xa9\x0f\x1f': No such file or directory [409, #2] [Mon Mar 29 19:53:11 2010] [error] [client ::1] Could not DELETE /svn/svn2/!svn/act/d399326f-c20f-424f-bb68-3bb40503b5b1. [500, #0] [Mon Mar 29 19:53:11 2010] [error] [client ::1] could not open transaction. [500, #2] [Mon Mar 29 19:53:11 2010] [error] [client ::1] Can't open file '/usr/local/svn/svn2/db/transactions/5-6.txn/props': No such file or directory [500, #2] And from the access log: ::1 - - [30/Mar/2010:13:02:20 -0400] "OPTIONS /svn/svn2 HTTP/1.1" 401 401 ::1 - user [30/Mar/2010:13:02:20 -0400] "OPTIONS /svn/svn2 HTTP/1.1" 200 188 ::1 - user [30/Mar/2010:13:02:20 -0400] "PROPFIND /svn/svn2 HTTP/1.1" 207 647 ::1 - user [30/Mar/2010:13:02:20 -0400] "PROPFIND /svn/svn2 HTTP/1.1" 207 647 ::1 - user [30/Mar/2010:13:02:20 -0400] "PROPFIND /svn/svn2/!svn/vcc/default HTTP/1.1" 207 398 ::1 - user [30/Mar/2010:13:02:20 -0400] "PROPFIND /svn/svn2/!svn/bln/6 HTTP/1.1" 207 449 ::1 - user [30/Mar/2010:13:02:20 -0400] "REPORT /svn/svn2/!svn/vcc/default HTTP/1.1" 200 1172 Curiously, the commit does actually commit the changes, but the working copy doesn't see that and everything gets screwy. I've tried to Google every variation I can think of for this problem, but the search results are pretty much useless. I'm not using TortoiseSVN or anything special and commits fail on a new repository, so I know it's not a problem with my old repos. Any help would be greatly appreciated.

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  • Objective-C Interface Builder don't see renamed class

    - by Jerve
    Hi, I've renamed a UITableViewController class in Xcode, which was used as a parent class in a XIB. The Interface Builder still uses the old name for that class and it compiles and works fine. Interface Builder doesn't see the new name of the class and when I try to type in manually, it compiles and gives me an exception at the runtime: "Unknown class ... in Interface Builder file." Is there a way to update the class name in the Interface Builder? Thanks

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  • Add a wall post to a page or application wall as page or application with facebook graph API

    - by blauesocke
    Hi, I wan't to create a new wall post on a appliaction page or a "normal" page with the facebook graph API. Is there a way to "post as page"? With the old REST-API it worked like this: $facebook->api_client->stream_publish($message, NULL, $links, $targetPageId, $asPageId); So, if I passed equal IDs for $targetPageId and $asPageId I was able to post a "real" wall post not caused by my own facebook account. Thanks!

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  • Which book for windows Shell programming?

    - by serefarikan
    I've been looking for a good book for windows shell programming, and the only one I could find is Visual C++ Windows Shell Programming by Dino Eposito: http://www.wintellect.com/BookInformation.aspx?ASIN=1861001843 It is an old book, and I'd like to know if you know of any good resources which could help. I need to develop a couple of windows explorer extensions, and apparently managed code is not recommended by Microsoft at least for some of these tasks. So I'm searching for a good resource for native development. Kind regards Seref

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  • C#/WPF: Print a ListView

    - by Joseph Melettukunnel
    Does anyone have an idea how to Print (A4) the Content of a ListView (e.g. with all the ColumnHeaders, fit to the Page-Width and without the Scrollbar)? I've found several old threads about this on stackoverflow, but no complete answer. Thank you. Cheers

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  • Where to find changes from iphone OS 3.0 to 3.1.3

    - by Joe
    I've developed an app using the 3.1.3 SDK and I want to set the deployment target to OS 3.0. The app uses iPod functionality which I can't test on the Simulator so my question is: Is there somewhere I can find a list of the changes from 3.0 to 3.1.3 so I can check if anything might be broken on an OS 3.0 device? I've looked on Apple's website obviously but can't find anything. How do people normally test on old software releases?

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  • CQRS event versioning

    - by Arnis L.
    Versioning If your events changes you would create a new version of that event, and keep the old ones. To keep your domain code form being bloated with handling of all versions of events you would basically introduce a component that converts your events from previous to newer versions, and then apply them on the domain. Remember that events are things that actually happened in your domain so in most cases the information in deprecated events are valuable. I still haven't found any example of this. Any help?

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