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• Embed Javascript Module within Flex application

  - by Crimson

  I have a large module written in JS which uses Canvas to draw and animate trees. This module was written for a product which is now being migrated to flex. Is there a way in flex to embed this JS module as is? Or would I have to rewrite the whole module in AS3 (shudder)? Further, if embedding is possible, would user interactions (mouse clicks) etc. work seamlessly? An example of the tree structure I am talking about can be found here - http://thejit.org

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• can I override/redefine "global" Javascript functions, like confirm() and alert()?

  - by EndangeringSpecies

  I want to do some browser automation, and those pesky confirm/alert boxes are a real pain. Disabling javascript completely in this case is not an option, unfortunately. Well, so I was wondering, can I just change the definition of those methods as seen by my browser's javascript interpreter to basically do nothing and return true? Note that I do know about redefining them in the Javascript code directly, e.g. putting in function alert(message) { return true; } but AFAIK this is not a viable approach for this situation because when doing browser automation I have to work with other people's Javascript. Moreover, my program actually begins manipulating these websites already after the page has fully loaded into the browser, so I cannot just first automatically rewrite the javascript and then load the page. Well, so I was wondering if I could instead just "permanently" modify the way alert/confirm are implemented and executed in my browser. Sort of like the equivalent of dll injection and so forth in the realm of windows apps.

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• How can I pause a BackgroundWorker? Or something similar...

  - by juan

  I was using a BackgroundWorker to download some web sites by calling WebClient.DownloadString inside a loop. I wanted the option for the user to cancel in the middle of downloading stuff, so I called CancelAsync whenever I found that CancellationPending was on in the middle of the loop. But now I noticed that the function DownloadString kinda freezes sometimes, so I decided to use DownloadStringAsync instead (all this inside the other thread created with BackgroundWorker). An since and don't want to rewrite my whole code by having to exit the loop and the function after calling DownloadStringAsync, I made a while loop right after calling it that does nothing but checks for a variable bool Stop that I turn true either when the DownloadStringCompleted event handler is called or when the user request to cancel the operation. Now, the weird thing is that it works fine on the debug version, but on the release one, the program freezes in the while loop like if it were the main thread.

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• Add columns to SqlWebEventProvider

  - by Julien N

  In an asp.net application, we'd like to use the SqlWebEventProvider to log any Event that occurs during the application lifetime. The problem is that we think that the table aspnet_WebEvent_Event doesn't provide enough columns and should log more information (we need to keep the Logged user). I'm aware that this information could be stored in the "Details" column but it wouldn't then be really simple to filter the results and build reports. So I'm searching for a simple solution to add a column. I wish I could derive SqlWebEventProvider but the methods used to build the stocked procedure parameters are private (PrepareParams() and FillParams()). Any simple solution that doesn't imply to rewrite the entire Provider class ?

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• Django view function design

  - by dragoon

  Hi, I have the view function in django that written like a dispatcher calling other functions depending on the variable in request.GET, like this: action = '' for act in ('view1', 'view2', 'view3', 'view4', ... ): if act in request.GET: action = act break ... if action == '': response = view0(request, ...) elif action == 'view1': response = view1(request, ...) elif action == 'view2': response = view2(request, ...) ... The global dispatcher function contains many variable initialization routines and these variables are then used in viewXX functions. So I feed that this is bad view design but I don't know how I can rewrite it?

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• How to include javascript/css once with Struts 1.x

  - by Felix

  If this is the wrong approach, please suggest something better, but my current efforts have been trying to find something that exists for a single page load, such that I can cache which javascript/css files have been included so as to only include them once. I thought in a TagSupport subclass I could use (HttpServletRequest)pageContext.getRequest().getParameterMap().put(srcKey,true) but the request is per jsp, not per page load so it was a failure. I could set up a filter in web.xml, but it seems I would have to search the response for duplicates and rewrite the response...pain. I could try to store things in the session, but there are headaches with clearing values... Any help would be appreciated.

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• What are the Worst Software Project Failures Ever?

  - by Warren P

  Is there a good list of "worst software project failures ever" in the history of software development? For example in Canada a "gun registry" project spent around two billion dollars. (http://en.wikipedia.org/wiki/Gun_registry). This is of course, insane, even if the final product "sort of worked". I have heard of an FBI Case file system which there have been several attempts to rewrite, all of them so far, failures. There is a book on the subject (Software Runaways). There doesn't seem to be be a software "boondoggle" list or "fiasco" list on Wikipedia that I can see. (Update: Therac-25 would be the 'winner' of this question, except that I was internally thinking more of Software projects that had as their deliverable, mainly software, as opposed to firmware projects like Therac-25, where the hardware and firmware together are capable of killing people. In terms of pure software monetary debacles, which was my intended question, there are several contenders.)

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• PHP script to replace cgi script

  - by Bridgeyman

  Hey, I have a CGI script that uses an old database driver that is no longer supported. Instead of struggling with this old cgi script, I thought it would be easier to rewrite it in php. It works now as a php script, but I need it to be served from the same web address. When a user accesses http://somesite.com/myscript.cgi, I want it to run the php script. I tried just renaming the php script with .cgi, but that didn't work. This is on an Apache server hosted by Dreamhost. Any advice? Bridger Maxwell

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• Get correct output from UTF-8 stored in VarChar using Entity Framework or Linq2SQL?

  - by jasonpenny

  Borland StarTeam seems to store its data as UTF-8 encoded data in VarChar fields. I have an ASP.NET MVC site that returns some custom HTML reports using the StarTeam database, and I would like to find a better solution for getting the correct data, for a rewrite with MVC2. I tried a few things with Encoding GetBytes and GetString, but I couldn't get it to work (we use mostly Delphi at work); then I figured out a T-SQL function to return a NVarChar from UTF-8 stored in a VarChar, and created new SQL views which return the data as NVarChar, but it's slow. The actual problem appears like this: “description†instead of “description”, in both SSMS and in a webpage when using Linq2SQL Is there a way to get the proper data out of these fields using Entity Framework or Linq2SQL?

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• For reliable code, NModel, Spec Explorer, F# or other?

  - by ja

  I've got a business app in C#, with unit tests. Can I increase the reliability and cut down on my testing time and expense by using NModel or Spec Explorer? Alternately, if I were to rewrite it in F# (or even Haskell), what kinds (if any) of reliability increase might I see? Code Contracts? ASML? I realize this is subjective, and possibly argumentative, so please back up your answers with data, if possible. :) Or maybe an worked example, such as Eric Evans Cargo Shipping System? If we consider Unit tests to be pecific and strong theorems, checked quasi-statically on particular “interesting instances” and Types to be general but weak theorems (usually checked statically), and contracts to be general and strong theorems, checked dynamically for particular instances that occur during regular program operation (from B. Pierce's Types Considered Harmful, where do these other tools fit? We could pose the analogous question for Java, using Java PathFinder, Scala, etc.

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• Reading a Windows 'binary' float into a ASP jscript variable

  - by user89691

  I need to read files produced by a legacy Windows app that stores real numbers (the 8-byte "double" type) in binary - i.e. as a packed array of 8 bytes. I can read the 8 byte group OK but how can I present it to my ASP JScript code such I can get the real number back again. Or to put it another way: Say a file was produced by a Windows (Delphi) program: Assign (f, 'test.bin') ; rewrite (f, 1) ; r := 1234.56E78 ; BlockWrite (f, r, SizeOf (Double)) ; Close (f) ; Inspection of the file will show it contains 8 bytes, being: 94 0E 4C CA C2 97 AD 53 which is the real number in IEEE format. Assuming I can read these 8 bytes back in ASP, is there a simple way of getting the real number back again?

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• How do i serve shortcuts/.lnk from web servers?

  - by acidzombie24

  without using a database i wanted a file to point to the newest revision of a file. Someone suggested using a shortcut. Knowing i can rewrite file.ext to file.ext.lnk i thought it was a great idea. Then i tried it, my server (VS 2010rc) serves the shortcut rather then the file. Not what i wanted... How do i serve the file the shortcut is pointing to? NOTE: I am planing to use windows 2008 as my server so a solution should work on that as well. The OS i am running is windows 7.

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• How do I write this as an expression?

  - by itchi

  I'm trying to rewrite a linq to entities query to an expression. My model is a School can have many Persons where Persons are inherited out to teachers, students, etc. The following query works for me: IQueryable<DAL.TEACHER> teacher = from p in School select p.PERSON as ESBDAL.TEACHER; How would I write this as a query expression? I thought something like: IQueryable<DAL.TEACHER> teacher = School.Select(x=>x.PERSON) as IQueryable<DAL.TEACHER>; ...but it does not. Am I misunderstanding the .Select()?

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• writing a fast parser in python

  - by panzi

  I've written a hands-on recursive pure python parser for a some file format (ARFF) we use in one lecture. Now running my exercise submission is awfully slow. Turns out by far the most time is spent in my parser. It's consuming a lot of CPU time, the HD is not the bottleneck. I wonder what performant ways are there to write a parser in python? I'd rather not rewrite it in C. I tried to use jython, but that decreased performance a lot! The files I parse are partially huge ( 150 MB) with very long lines. My current parser only needs a look-ahead of one character. I'd post the source here but I don't know if that's such a good idea. After all the submission deadline has not jet ended. But then, the focus in this exercise is not the parser. You can choose whatever language you want to use and there already is a parser for Java.

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• jQuery DOM element creation vs innerHTML

  - by Mohammad

  While having one of my questions answered, cletus mentioned that when creating elements in jQuery it's better to use direct DOM element creation, instead of innerHTML. I tried googling it but I wasn't able to find a good article with comparisons. I've provided this code bellow as an example and I was wondering if someone could help me rewrite it in direct DOM element creation form in hope that i would also learn the difference afterwards. var img = $(this); img.append('<p class="cap"><a href="'+img.parent().attr('href')+'">'+ img.attr('title')+'</p></a>'); Thanks so much.

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• RegEx, matching if not containing...

  - by Tommy Jakobsen

  I've been trying to figure out how to write this regular expression. It is to be used for ISAPI_Rewrite, a module for IIS 6, for doing URL rewriting. I want the url /hg/<parameter> to be mathed, so it can be rewrited to /hg/hgwebdir.cgi/<parameter>. I've matched it using ^/hg/(.*). My problem is, if the URL /hg/hgwebdir.cgi/<parameter> is used, the regex should NOT match. Using the above regex with this URL, will rewrite to /hg/hgwebdig.cgi/hgwebdig.cgi/<parameter> which is not correct. Can you help me create the matching pattern?

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• Converting app to MVC and running it in both console and gui

  - by terence6

  I have a simple java gui calculator, with 3 number systems (there are some bugs but that doesn't matter now). Currently all code is in one file. My task is to rewrite it as MVC, and add possibility to run it in either gui or console mode. How should I divide this program to organise it as M-V-C ? Is it written properly enough to add console functionality to it? (guess I'll have to change all methods invoking to JLabel Output to something simply storing an output String as a model argument and then having View to get it). Here's the starting code : http://paste.pocoo.org/show/224566/ Here's what I already have : Main : http://paste.pocoo.org/show/224567/ Model : http://paste.pocoo.org/show/224570/ View : http://paste.pocoo.org/show/224569/ Controller : http://paste.pocoo.org/show/224568/ I don't have view in my model so I can't call to Output. That's the first problem I can see.

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• url rewriting asp .htaccess file

  - by GigaPr

  I i just moved my website (asp.net) to the live environment. i realized they are running IIS 6 so all my nice and clean url rewriting doesn t work anymore. i was trying to implemente url rewriting using the .htaccess file i want to rewrite www.amicobio.co.uk/Menu.aspx as www.amicobio.co.uk/Food-Menu so in the .htaccess i set CaseInsensitive On Options +FollowSymlinks RewriteEngine On RewriteRule ^Food-Menu$ Menu.aspx but it doesn t work it says The requested URL /a/m/amicobio.co.uk/public/Menu.aspx was not found on this server. obviously yhe path is wrong but what is /a/m/ ? and how do i fix it? all the files in amicobio.co.uk/public/ thanks

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• asp.net free cms for library

  - by Andrew Florko

  We have library website written in classic ASP that allows to browse and search by multiple (50+) filter criterias (author, publication year, ISSN ... ). There are lots of security holes and we have only one developer who hardly maintain this ASP-site with some minor features for last 3 years. There are two common user groups - administrators (librarians) and students (5000+) who have books on hands and searches for them. We don't want to rewrite it from scratch, just to use standard free CMS (.net based) and migrate library data and user accounts with minimum effort. What CMS will you suggest? Thank you in advance.

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• Unit testing "hybrid" WPF/Silverlight controls

  - by Alan Mendelevich

  I'm starting a new WPF/Silverlight custom control project and wanted to do unit testing on this one. However I'm a little confused about how to approach this. This control would be based on the same codebase for both WPF and Silverlight with minor forking using #ifs and partial classes to tame the differences. I guess I could write unit tests for WPF part with NUnit, MSTest, xUnit, etc. and for the Silverlight part with Silverlight Unit Test Framework but this doesn't sound very elegant to me. I'd have to either ignore testing identical code on one of the platforms and test only differing parts (which is not very trustworthy) or rewrite tests for 2 frameworks (which is annoying). Is this the right way to go? I'm wondering if there's some guidance, articles, tutorials out there on how to approach this task. Any pointers?

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• Several appdomains calling the same unmanged dll

  - by Mr. T.

  Our .NET 3.5 C# application creates multiple appdomains. Each appdomain loads the same unmanaged 3rd party dll. This dll reads a configuration file upon initialization. If the configuration changes during runtime, the dll must be unloaded and loaded again. This dll is not in our scope to rewrite correctly. Does each appdomain have access to a separtate copy of this unmanaged dll, or does Windows keep one copy of the dll and maintain a usage count? If the latter is is the case, how do we get each instance of the unmanaged dll to reflect its unique configuration?

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• Problem in implementing the Url Rewritting for a Zend Application

  - by Nishant

  Hello everyone, I am doing my first Zend Applicaition and I am finally done with the coding side. But the problem which I have is Client has asked to rewrite the Url's which follows the SEO and as I don't have much knowledge of the Zend Router,I am finding myself helpless this time. Please helo me out.The current Url which I have is... http://localhost.ZendProject.com/keywords/ball and Client needs it like http://localhost.ZendProject.com/keywords/ball and another Url (the search Url) http://localhost.ZendProject.com/search/trends?q=nishant+shrivastava&select=All&Search=Search and the Client wants is http://localhost.ZendProject.com/nishant-shrivastava Please help me out of this problem,because I am totally freaked out thinking of any solution and my mind is also not helping me out.

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• How to redirect every uri calls to one controller, except some static ones?

  - by Oden

  Hey, Im using codeigniter and want to make my portal a bit more seo friendly. I have a controller (articles) witch handles every article, on my portal. The URL looks like this: example.com/articles/category-sub-category/article-name I'm using mod rewrite module to hide my index.php, and codeigniter routing to hide the controller action that handles every call. I want to hide articles too, but if i hide it, every call goes to the articles controller, and thats not what i want, because i want my url look like this: example.com/category-sub-category/article-name Ive tried it with regexp routing rules in the routes.php but i found no way to make it right.

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• Is there anyway to enable MultiSelect in the StyledTextCtrl

  - by John Baker

  I've noticed that the StyledTextControl (Scintilla basically) in wxWidgets has a great feature that allows multi-selections of text, just like TextMate. However wxRuby doesn't seem to have the function calls to support that feature. I'm wonder if there is a way to enable it or if there might be a way I could rewrite that wrapper to include that function. It seems strange that they would purposely omit that since they are seemingly pretty exhaustive on most functions calls. Any insight on this would be greatly appreciated. I'm trying to write an open source TextMate clone in Ruby and it's gonna be pretty hard without MultiSelect, I could probably hack something together but it'd be ugly. Thanks ahead of time.

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• Regex to validate SMTP Responses?

  - by Alix Axel

  I'm writing a regular expression that can interactively validate SMTP responses codes, once the SMTP dialog is completed it should pass the following regex (some parentheses added for better readability): ^(220)(250){3,}(354)(250)(221)$ Or with(out) authentication: ^(220)(250)((334){2}(235))?(250){2,}(354)(250)(221)$ I'm trying to do rewrite the above regexes so that I can interactively check if the dialog is going as expected, otherwise politely send a QUIT command and close the connection saving bandwidth and time, but I'm having a hard time writing an optimal regex. So far I've managed to come up with: ^(220(250(334(235(250(354(250(221)?)?)?){0,})?){0,2})?)?$ Which, besides only matching authenticated connections, has some bugs... For instance, it matches: 220250334235250354250221 220250334334235250354250221 I've also tried the following modification: ^(220(250)?)?((334(235)?){2})?(250(354(250(221)?)?)?){0,}$ This one accepts non-authenticated responses but it fails to match 220250334 and wrongly matches 220250334334235250354250221 (at least 2 250 are needed before the 354 response code). Can someone help me out with this? Thanks in advance.

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