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• How can I test Windows Error Reporting?

  - by Deneb Meketa

  My company participates in Windows Error Reporting via Winqual. We'd like to add some additional data to our crash reports, using WERRegisterMemoryBlock. Obviously we'd like to make sure this is working before we ship our next version. How can we test it? Is there a way to locally preview precisely what is going to be sent? Does this realistically reproduce what we are going to be able to retrieve from Winqual? Alternatively, can we generate a real report from a developer machine, then retrieve the report from Winqual? How would we distinguish this test case from the rest of our Winqual data?

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• JSObject-like stuff in ActionScript 3?

  - by johncch

  I would like to ask if there is a liveconnect equivalent for ActionScript 3. I understand that there is the ExternalInterface class inside AS3 but it only supports calling a method by name. The really cool thing about Java and LiveConnect is that you can do something like function jsFunc(name) = { this.name = name; this.talk = function(){ alert('hello world my name is ' + this.name); } } javaapplet.function(new jsFunc("bob")); The above approaches pseudo code since I never tested it but I've seen it in action. In AS3, while I am able to pass in an instance of JavaScript "object" into AS, it is often converted into an ActionScript Object instance which does away with all the functions as far as I'm aware. I saw an implementation of JSInterface but I don't think it does specifically that. Is there any way to make OO like javascript work with ActionScript 3?

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• Integrating Prolog with C#

  - by TK

  Does anyone know of a nice (and preferably free) way to integrate Prolog and C#? Im looking to create a Prolog dll or similar to call from my managed code, and retrieve an answer once all the processing has been complete. Im looking for it to be predominantly one sided (c# calls Prolog). I have seen this question which talks about Prologs real world usage but I was wondering if anyone had either any experience with c# & Prolog? or a nice tutorial/article?

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• Halting Django's dev server via page request?

  - by Ben Blank

  I'm looking at writing a portable, light-weight Python app. As the "GUI toolkit" I'm most familiar with — by a wide margin! — is HTML/CSS/JS, I thought to use Django as a framework for the project, using its built-in "development server" (manage.py runserver). I've been banging on a proof-of-concept for a couple hours and the only real problem I've encountered so far is shutting down the server once the user has finished using the app. Ideally, I'd like there to be a link on the app's pages which shuts down the server and closes the page, but nothing I see in the Django docs suggests this is possible. Can this be done? For that matter, is this a reasonable approach for writing a small, portable GUI tool?

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• View returned file from Webservice method

  - by gafda

  I already have a method in my webservice that returns a byte[] containing only the bytes of the file downloading. The invocation is something like: http://www.mysite.com/myWebservice.asmx with: string fileId = "123"; bytes[] fileContent = myWebservice.Download(fileId); What I wanted to do is be able to invoke this method or other (to be made) on a aspx webpage and be able to open a browser window containing the real content of the file. i.e. Most files are TXT and PDF. (Assuming the client has the PDF plugin that alows him\her to view PDF's on the browser.)

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• VLC player event catch

  - by user350632

  In my C# application i need to trigger some events when a VLC player (preferably) starts playback (a play button is pressed in VLC for example).Tried Windows Media Player classic with Microsoft Spy++ and observed messages that are sent when playback starts\repeats but i don't know how i could "catch" those messages in my C# code.So my question: is there any way to hook up to event in VLC (or WMP) and get notified about playback status (play, stop, start of repeat). My goal is to create a C# function that waits for start of playback event in player and then triggers some actions in my application (this should also happen when playback ends and starts repeating). What approach should i take here? Just to clearify: I don't want to embedded a new instance of VLC in my app, but instead control/read the "real" full version of VLC, started seperatly by the user

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• Location accuracy of Google Analytics for Android

  - by BadCash

  When testing Google Analytics (version 2) for an Android project, I noticed that the Real Time map shows my location to be about 200 miles from my actual location. I'm running my project on a physical device, which leads me to believe that Google Analytics doesn't actually send any location information, but rather gets it from the phones IP address when the data is sent to Googles server. Is there any way to alter this behavior and provide my own location data using getLastKnownLocation() for example? Sending it as an actual Label/Action string would of course work, but that means I can't use Google Analytics fancy map feature to view where my users are coming from.

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• Delphi JavaDoc Parser

  - by Christian Sciberras

  I need to parse JavaDoc (documentation) comment syntax with Delphi 7. It is well known in the java world as "JavaDoc", but I'm actually doing this for PHP, ie, parsing JavaDoc in some PHP code. Call it PHPDoc if you want to. To see how these comments work, you can see RAD IDEs like NetBeans etc. Example of JavaDoc for addition function: /** * Adds to numbers together. * @param integer $a The first number. * @param integer $b The second number. * @return integer The resulting number. */ function add($a,$b){ return $a+$b; } Please note that the parser need not be full, ie, parsing all of the PHP code. I mean, it's perfectly fine if it accepted the comment text only as input. Cheers, Chris.

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• Visual Studio 2010 UML Tools. How do they integrate with the code? For small/mid size products is t

  - by punkouter

  I just got a book that goes over all the VS2010 tools. Most I have never used like load testing/web testing, UML Tools, Layer Diagrams.... Has anyone had any real world experience with using these VS2010 tools like the UML diagramming? I am wondering if it is something that would really be useful starting a new project or is it just busy work that no one ever uses once they are made? How are the UML diagrams integrated with the rest of development in VS2010 ? The last project we just made some really basic Visio diagrams but maybe this is better. Alot of VS2010 Ultimate tools are over kill (layer diagram) for small/mid level projects it seems. UML seems to be one of those things I hear about past 10 years but never seem to use.

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• Visual Studio 2008 compiles anything in C++ file?

  - by Brad Pepers

  I noticed today that a source code file in a project was compiling even though it had junk at the top of it. It got me wondering what all would pass without error through the compiler. Here is an example of code that will not generate any error messages: what kind of weird behaviour is this??? #include "stdafx.h" // what is up? int foo(int bar) { bla bla bla????? return bar; } and more junk??? What in the world is the compiler doing to allow this code to compile without giving any error messages? I'm using Visual Studio 2008 and this is unmanaged C++ code. The foo function isn't actually generated in the object file so it can't be used but why no errors???

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• Netbeans C++ not finding standard libraries (Macintosh)

  - by Grue

  Hello everyone! I am trying to use Netbeans 6.7 (on a Mac) to create C++ applications. I started out with the standard "Hello World," just to test if everything was working correctly. First try std and could not be found. So I tried reinstalling the developer tools on my Mac OS X disk. After that Netbeans updated its c++ compiler info, but still cannot find std or . Odder than this XCode seems to be working with C++ perfectly fine. Any help fixing this would be greatly appreciated.

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• How hard is it for a .NET programmer to learn Objective C and Cocoa?

  - by rsteckly

  Hi, I'm trying to build a dual platform application for a company of my own I'm trying to start at night. I have the .NET version done, but have not finished the UI part. I'm thinking of buying some 3rd party controls. If I buy these controls, however, they clearly will only work in my Windows version. I'm wondering if I should try to do the UI in GTK# and use Mono with CocoaSharp or just build the thing in MS technology and teach myself the Mac side? I'm just really unfamiliar with the Mac world and am wondering how much of a learning curve there might be. I've thought perhaps of rewriting my core logic in Ruby or Python. This why I could use the .NET version with .NET controls and presumably hook the same code up on the Mac. It's an educational app targeted at consumers. As such, it shouldn't require a lot of technical sophistication to install.

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• How do I connect two apps

  - by sevaxx

  I am considering building an app in C++ that will be parsing text from the web and create some statistical results. These results I want to be fed in an external app in real time. The external app (to whose code I have no access, but can ask for a - paid - custom made addition) will then need some code to read and use these results. I am wondering what would be the best way to interconnect the two apps, in terms of speed and ease of implementation. I am considering : disk I/O (slow) a Windows service a DLL a web service a web page Perhaps I am missing a better solution ? Thank you.

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• Generalised XML Serialization

  - by Tom W

  I apologise for asking a question that's probably been asked hundreds of times before, but I don't seem to be able to find an answer in the archives; probably because my question is too basic. I know that XML Serialization by default only touches public members and properties. Properties very often mask a private variable; particularly if they're readonly. Serializing these is fine; the value that the instance exposes to the world is what goes into the XML. But if Deserialization of the same data can't put the value back where it belongs, what's the point of doing it? Is there something I'm missing about how XML Serialization is normally used for classes with masking properties? Surely it can't be that the only answer is explicitly implementing Read/WriteXML - because that's more effort than it's worth!

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• Should we bother about IE < 8?

  - by Misiur

  Hi there. It might look like philosophical question, however it really bother me. We're expecting HTML 5, we're using JS, Ajax, Flex, all this stuff, but when older browsers were devleoped, nooone even dreamed about such technologies. IE6 can't see transparency in PNG's. Some correct W3C techniques, are bad interpreted by IE6. It's just too old for our "new" world. IE7 is sight better better than IE6, but it still has some weird errors. How many people use IE6 now? And if someone upgraded to IE7, doesn't he already upgraded to IE8? Should we bother about those browsers? (sorry for bad eng, but noone in my country answered me to this)

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• Jquery UI autocomplete header

  - by Kanaka

  I have a jQuery UI autocomplete (with custom styling) where I added an header. You can see it at work here: http://jsfiddle.net/fbonomi/wJWGV/ the header is added like this: function cComboboxOpen( event) { var s='.... header .....'; $("ul.ui-autocomplete[style*='block']").prepend(s); } it works, and it keeps the column-like form I need (the real data will also be in columns) BUT, I would like to have the header NOT scrolling away when you have a long, scrollable list (e.g if you type "a" in the list) I have seen another very similar question here: jQuery UI Autocomplete with fixed header But it hasn't been answered, and in its current form it does not work properly (the header is "fixed" even when one scrolls the page, for example) How can I avoid the header to scroll away?

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• How do I reference members of a single object passed to the View?

  - by Juxtaposed

  I'm new to MVC2 in ASP.NET/C#, so please forgive me if I misunderstand something. I have code similar to this in my Controller: var singleInstance = new Person("John"); ViewData["myInstance"] = singleInstance; return View(); So in my view, Index.aspx, I want to be able to reference members in that object. For example, Person has a member called Name, which is set in the constructor. In the view I want to get Person.Name from what is stored in the ViewData object. Ex.: <%= ViewData["myInstance"].name %> That doesn't work. The only real workaround I've found is to do something like this: <% var thePerson = ViewData["myInstance"]; print (or whatever the method is) thePerson.Name; %> Any help would be much appreciated... This was so much easier in PHP/Zend Framework... sigh

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• c# GUI changing a listbox from another class

  - by SlowForce

  I've written a multithreaded server that uses tcplistener and a client handler class that controls input and output. I also have a GUI chat client. The chat client works fine and the console version of the server also works well. I have a start() method in the partial(?) Form class, which I run from a new thread when I click a button, that starts the TCP Listener and loops through and accepts socket requests. For every request a new ClientHandler object is created and the socket is passed to this object before being used in a new handler thread. The ClientHandler is a different class to the form and I'm having real problems writing data to the Listbox in the Form class from within the ClientHandler class. I've tried a few different ways of doing this but none of them work as they involve creating a new form class within the ClientHandler. Any help or advice on what I should be reading to help me would be really appreciated.

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• How do I comment out a block in XML?

  - by Jonas

  How do I comment out a block of tags in XML? I.e. How can I comment out <staticText> and everything inside it, in the code below? <detail> <band height="20"> <staticText> <reportElement x="180" y="0" width="200" height="20"/> <text><![CDATA[Hello World!]]></text> </staticText> </band> </detail> I could use <!-- staticText--> but that's just for single tags (as what I know), like // in Java and C. I would like something more like how /** comment **/ can be used in Java and C, so I can comment out longer blocks of XML code.

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• MS Access - Keeping track (transacation) of all activity while form is open...

  - by Ron Mac

  Hi and thanks for reading. I am not a database/vba guy and my experience is strictly in the JAVA world. However, I need to have an ACCESS form open. While it is open and new data is entered into it (via the underlying query OR any other data changes in other tables based on sql updates attached to buttons on this form), is there a way that I can initiate a transaction so that at the bottom of the form I could have a button that says "Exit and committ changes" or "Cancel and Rollback changes". I guess I thought of a situation where I could do something like: On Form OPEN, START TRANSACTION On "CLICK OK", COMMIT TRANSACTION or ON "CLICK CANCEL" ROLLBACK. I'm aware how to do the Workspace.BeginTransaction but I'm not sure if that will apply if I do it on FORM OPEN and then on FORM CLOSE do the COMMIT/ROLLBACK locgin? Any insight would be great.

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• Is it possible to run C++ binded with SDL+OpenGL code on a web browser?

  - by unknownthreat

  My client wants her website to have an application that renders 3D (light 3D stuff, we are drawing only flat squares in 3D world) but web programming is not my thing. So I am looking for something that can run a C++ program from a web browser. But I think, if this is the case, then the client side must download the program first, and that's not what I want. The client should only be able to use this application only on the website. I came across Google Native Client, which claims that it can run x86 native code in web applications. I haven't decide whether it is worth it or not and I don't know whether this is what I want or not, so I decided to ask experienced people about this. If I want to have something like this, is what I said above possible? Or I completely need other languages like Flex because it does not worth the trouble? Or is Google Native Client suitable for doing something like this?

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• How Does Facebook Know What Image To Parse Out of An Article?

  - by Travis

  First off I want to say that I wasn't really sure where to post this but it is very much programming related. If it is in the wrong spot I apologize and please let me know where I should post it instead. When sharing an article on a friends wall, facebook will grab a thumbnail of the article. How do they always get the right thumbnail from articles? It doesn't grab the logo img element of of http://www.nytimes.com/2010/06/07/world/asia/07convoys.html?hp for example but rather grabs the correct image element that corresponds with the article. I'm looking to do something similar and was wondering of a good way to parse the html to find the image given this example. Thanks.

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• Parsing String to TreeNode

  - by Krusu70

  Anyone have a good algorithm how to parse a String to TreeNode in Java? Let's say we have a string s which says how to build a TreeNode. A(B,C) means that A is the name (String) of TreeNode, B is child of A (Treenode), C is sibling of A (TreeNode). So if I call function with string A(B(D,E(F,G)),C) (just a example), then I get a TreeNode equals to: level A (String: name), B - Child (TreeNode), C - Sibling (TreeNode) level B (String: name), D - Child of B (TreeNode), E - Sibling of B (TreeNode) level E (String: name), F - Child of E (TreeNode), G - Sibling of E (TreeNode) The name may not be 1 letter, it could be like real name (many letters).

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• What are good resources for computer graphics basics?

  - by Hanno Fietz

  During Flex programming, I recently ran into several questions (about box models, ways to join lines and misaligning pixels [on doctype]) regarding computer graphics and layout, where I felt that I lacked some basic background on things like concepts like the box model approaches mapping real numbers to a pixel raster (like font anti-aliasing) conventions found across drawing engines, like do you count y coordinates from top or bottom, and why I feel that reading some basic Wikipedia articles, books or tutorials on these subjects might help in phrasing my questions more specifically and debugging my code more systematically. I have repeatedly found myself writing tiny test apps in Flex, just to find out how the APIs do very basic stuff. My assumption would be that if I knew the right vocabulary and some general concepts, I could solve these questions much faster.

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• a completely decoupled OO system ?

  - by shrini1000

  To make an OO system as decoupled as possible, I'm thinking of the following approach: 1) we run an RMI/directory like service where objects can register and discover each other. They talk to this service through an interface 2) we run a messaging service to which objects can publish messages, and register subscription callbacks. Again, this happens through interfaces 3) when object A wants to invoke a method on object B, it discovers the target object's unique identity through #1 above, and publishes a message on the message service for object B 4) message services invokes B's callback to give it the message 5) B processes the request and sends the response for A on message service 6) A's callback is called and it gets the response. I feel this system is as decoupled as practically possible, but it has the following problems: 1) communication is typically asynchronous 2) hence it's non real time 3) the system as a whole is less efficient. Are there any other practical problems where this design obviously won't be applicable ? What are your thoughts on this design in general ?

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