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  • What is the underlying reason for not being able to put arrays of pointers in unsafe structs in C#?

    - by cons
    If one could put an array of pointers to child structs inside unsafe structs in C# like one could in C, constructing complex data structures without the overhead of having one object per node would be a lot easier and less of a time sink, as well as syntactically cleaner and much more readable. Is there a deep architectural reason why fixed arrays inside unsafe structs are only allowed to be composed of "value types" and not pointers? I assume only having explicitly named pointers inside structs must be a deliberate decision to weaken the language, but I can't find any documentation about why this is so, or the reasoning for not allowing pointer arrays inside structs, since I would assume the garbage collector shouldn't care what is going on in structs marked as unsafe. Digital Mars' D handles structs and pointers elegantly in comparison, and I'm missing not being able to rapidly develop succinct data structures; by making references abstract in C# a lot of power seems to have been removed from the language, even though pointers are still there at least in a marketing sense. Maybe I'm wrong to expect languages to become more powerful at representing complex data structures efficiently over time.

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  • Safari extension - Too many injected scripts responding to message

    - by Philipp
    Hi, I am trying to code a safari extension similar to Bubble Translate for Chrome. when you click a button on the toolbar, it automatically translates the text currently selected to the language of your choice using the Google language API. I use the following injected script to get the highlighted text and display the result (as an alert for the time being): http://pastebin.com/bYVuQAmp I use the following global script to call the injected script if neccessary: hxxp://pastebin.com/VHaAKM5a The problem I have is the following: The script does not just get injected into the main page but also into ads and similar stuff that is embedded into the page. Due to that, the selected text gets translated multiple times because all the embedded scripts in one page respond to the message. How can I make sure that the script is injected only into the right page or only the right page responds? Thank you, Philipp

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  • in php, how to send the html tag to mail

    - by zahir hussain
    <script type="text/javascript"> var head= 23; </script> <?php $h="<script language='javascript'> document.write(head);</script>"; $headers = "MIME-Version: 1.0" . "\r\n"; $headers .= "Content-type:text/html;charset=ISO-8859-1" . "\r\n"; $mail_from='[email protected]'; $name="husssain"; $headers.="From: $name <$mail_from>"; $con="Welcome to world"; $to ="[email protected]"; $send_contact = mail($to,$con,$h,$headers); ?> then i send the $h to my mail id but i recieve only this <script language='javascript'> document.write(head);</script>

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  • ValueError with multi-table inheritance in Django Admin

    - by jorde
    I created two new classes which inherit model Entry: class Entry(models.Model): LANGUAGE_CHOICES = settings.LANGUAGES language = models.CharField(max_length=2, verbose_name=_('Comment language'), choices=LANGUAGE_CHOICES) user = models.ForeignKey(User) country = models.ForeignKey(Country, null=True, blank=True) created = models.DateTimeField(auto_now=True) class Comment(Entry): comment = models.CharField(max_length=2000, blank=True, verbose_name=_('Comment in English')) class Discount(Entry): discount = models.CharField(max_length=2000, blank=True, verbose_name=_('Comment in English')) coupon = models.CharField(max_length=2000, blank=True, verbose_name=_('Coupon code if needed')) After adding these new models to admin via admin.site.register I'm getting ValueError when trying to create a comment or a discount via admin. Adding entries works fine. Error msg: ValueError at /admin/reviews/discount/add/ Cannot assign "''": "Discount.discount" must be a "Discount" instance. Request Method: GET Request URL: http://127.0.0.1:8000/admin/reviews/discount/add/ Exception Type: ValueError Exception Value: Cannot assign "''": "Discount.discount" must be a "Discount" instance. Exception Location: /Library/Python/2.6/site-packages/django/db/models/fields/related.py in set, line 211 Python Executable: /usr/bin/python Python Version: 2.6.1

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  • IntelliSense based snippet handling with Visual Studio 2010 SDK MEF Based text editor

    - by Nicolai Ustinov
    Using the new Visual Studio 2010 SDK developing against the MEF based editor structure there's a question: How can I use the MEF editor interfaces to handle snippet behavior in IntelliSense? The ICompletionSession itself is not a problem (e.g. get the available snippets) rather filling the snippet, handling the subsequently expected actions like tab, enter behavior, text replacement, etc. Is there any way to do that without a language service? Checking the built-in behavior in Visual Studio base editor implementation they built the MEF interfaces on top of a set of language service based objects.

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  • create a simple pdf report from html

    - by opensas
    I'm looking for a way to generate pdf files from html In order to make simple tabular reports I would need the following features table rendering variable page size repeating headers / footers on every page calculated page number / total page css support would be nice I know there have been many similar questions in stackoverflow, but I don't know if there's a product that supports the aforementioned features... Ideally, the source would be a plain and simple well built html with css, (I'm building the html files, so I can adapt to the products needs, that is, it won't have to render every piece of html crap you can throw at a browser) and with some custom tags to configure headings, footer, page size, etc... then I would run a command line to convert it from html to pdf. I think http://www.allcolor.org/YaHPConverter/ does something like that

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  • What is the career value in learning ColdFusion?

    - by Jon Cram
    ColdFusion is a language I encounter rather infrequently, however it does turn up from time to time either in job adverts or as .cfm file extensions in URLs. There are possible job opportunities near to where I plan to live for ColdFusion developers. It might be in my interests to have a look at ColdFusion. ColdFusion appears, to me, to be a minority language compared to C#, Java or indeed most popular languages. Don thinks ColdFusion is declining in popularity. Would a ColdFusion position today be more related to the maintenance of legacy code than innovative, creative development, thus less interesting? Is there any long term career value in learning ColdFusion?

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  • What is the release date for Rakudo Star (perl6)?

    - by kbenson
    If a specific release date is not available (as I suspect it is not), can you provide resources for tracking how close it is to the desired feature set that allows release. I'm not necessarily asking for a percentage gauge, or X of Y features completed list. A list of bugs marked in whichever section of the perl RT instance that's tracking Rakudo bugs would meet my criteria, even more so if the list is dynamic (I.e. it's a list of bugs tagged in some manner, not a static list of ticket numbers). If there are only a few planned features left to be finished/tested before it's considered ready for final testing, listing those would also be sufficient.

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  • Debugging feature activation in SharePoint 2007

    - by Eric U.
    I have a SharePoint feature that is activated under 'Site Collection Features' that is having some issues being activated. I've activated it through the stsadm as well as the SharePoint UI, both unsuccessful. The feature toggles from deactivated to activated, but the result that should be there is not. The result is some pages that should be created. So my question is does anyone know of a way to step through the activation of features process? I'd like to be able to attach Visual Studio 2008 to the browser and step through a few breakpoints that I've set. I've narrowed the error down to the FeatureReceiver's FeatureActivated(SPFeatureReceivrProperties properties) Pages that I've been referencing: http://msdn.microsoft.com/en-us/library/ee231550.aspx http://blogs.msdn.com/b/sharepoint/archive/2007/04/10/debugger-feature-for-sharepoint.aspx

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  • VIsual Studio and Ajax Control Toolkit

    - by Steve
    In my web application VS 2008 solution, I have the AjaxControlToolkit.dll in my bin directory and a whole set of language directories for it (ar, cs, de,es, fr, he, etc...) I don't remember how the language directories got in there. If I am using other languages via the ACT, do I need these directories? If not, then I don't? When I do a rebuild solution, the dll (AjaxControlToolkit.resources.dll) in these directories disappear. If I need them, what do I need to do to keep them from being deleted during a rebuild?

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  • What open source database platform is most easily transferred from my personal machine into a window

    - by Tom
    I would like eventual interaction with MS Dynamics SL and/or MindTouch Core (running on WMware) for eventual intranet and/or internet display. I guess I am asking for front and back end recommendations for a database I am constructing, but since this is my first major project I would greatly appreciate any help and advice. I would also love an opportunity to learn a new language so the code base could be in any language. I do have a few more related questions for discussion; What is the viability of using Google hosting to provide the service to the public for free? Should I implement plone or another CMS if I have a large amount of output? Is there a structuring questionnaire or standards publication I could reference? Does UML diagramming provide additional options for portability? Thank you.

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  • Convert string to JSON using Python

    - by Luiz Fernando
    Hi, I'm a little bit confused with JSON in Python. To me, it seems like a dictionary, and for that reason I'm trying to do that: json = """{ "glossary": { "title": "example glossary", "GlossDiv": { "title": "S", "GlossList": { "GlossEntry": { "ID": "SGML", "SortAs": "SGML", "GlossTerm": "Standard Generalized Markup Language", "Acronym": "SGML", "Abbrev": "ISO 8879:1986", "GlossDef": { "para": "A meta-markup language, used to create markup languages such as DocBook.", "GlossSeeAlso": ["GML", "XML"] }, "GlossSee": "markup" } } } } } """ But when I do print dict(json), it gives an error. How can I transform this string into a structure and then call json["title"] to obtain "example glossary"? Thanks.

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  • When and how should custom hierarchies be used in clojure?

    - by Rob Lachlan
    Clojure's system for creating an ad hoc hierarchy of keywords is familiar to most people who have spent a bit of time with the language. For example, most demos and presentations of the language include examples such as (derive ::child ::parent) and they go on to show how this can be used for multi-method dispatch. In all of the slides and presentations that I've seen, they use the global hierarchy. But it is possible to keyword relationships in custom hierarchies. Some questions, therefore: Are there any guidelines on when this is useful or necessary? Are there any functions for manipulating hierarchies? Merging is particularly useful, so I do this: (defn merge-h [& hierarchies] (apply merge-with (cons #(merge-with clojure.set/union %1 %2) hierarchies)) But I was wondering if such functions already exist somewhere.

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  • Becoming a professional programmer / software engineer

    - by Matt
    This isn't strictly about programming, more about being a programmer, so I'm sorry if its not the right kind of question to ask on this forum (mod, please delete if it isn't) I'm a computer tech in the US Army, and once I'm out I'll have eight years on the job. I'm about to start a degree through an online school (the only way I can get the army to pay for it while I'm still in), and I'm seriously looking at getting a computer science degree. I'm great with computers. I can take one apart and put it back together with my eyes closed. I'm A+ and Network+ certified and I'm getting a couple other CompTIA certs before I get out. I can work Windows as well as anyone on this planet and I'm not terrible with Linux. A job in computers is something I've always wanted. But, aside from being a computer technician, it seems that every job in the field requires programming ability. I like programming as a hobby. I programmed TI BASIC in high school and I'm teaching myself Python, but that's as far as my experience goes. That sort of brings me to my questions: I've always heard that the first language is the most difficult, and once you learn it well then all the others sort of fall into place for you. Is that true? Like, if I spend the next eight months mastering Python, will I pretty much be able to pick up at least fair proficiency in any other OO language within a month of studying it or whatever? How easy is it to burn out? the biggest thing I'm afraid of is just burning out on programming. I can go all day long if I'm programming strictly for my own personal desire, but I can imagine it being really easy to burn out after a few years of programming to deadlines and certain specifications. Especially if its a big project involving a dozen different designers. From what I told you about myself, would I already be qualified to work as a regular technician (geek squad type or maybe running a computer repair shop). Is Python a good base to learn from? I've heard that it makes you hate other languages because they feel more convoluted when learning, but also that its a great beginner language. If you're a professional programmer, did you have any of the same fears? Would you recommend that I stick to computer repair and Python rather than try to get into corporate programming? (just from what you've read in this thread, anyway) Thanks for taking the time to read all this and answer (if you did)

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  • Migrating VseWss project to WspBuilder

    - by Khurram Aziz
    I have a VseWss project that I want to migrate to WspBuilder. The project has many features (Content Types, Fields, Lists, Event Listeners, Workflows, ASPX files, their code behind etc) and the project references couple of other assemblies as well. And it does the SafeControls entries and deploys the assemblies into GAC etc Important aspect is; the WSP that gets created from the VseWss is deployed to the production server and while migrating I want to preserve all of these things so that when I create the WSP from WspBuilder things are transparent for the Sharepoint Administrators. Please guide me how to proceed...any online tutorial or related stuff that talks about migrating a real world VseWss project (with 10-20 different types of features)

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  • Is there a Novatel Wireless Modem Emulator or something similar?

    - by David Brown
    Novatel Wireless provides their NovaCore SDK for developers wishing to interface with their line of modems. I'm currently developing an open source managed wrapper for it, but I'm having difficulties with testing. I own a Novatel MiFi and have mobile broadband service through Sprint, but that can only get me so far. The device is already activated, thus I can't test the network activation features of the NovaCore SDK. There are also certain features only available for HSPA modems, which I am not able to get in my area. Is there an emulator capable of emulating a Novatel Wireless modem so that I can test my library without physical hardware and an actual data connection? If not, do you have any other suggestions that might help in this situation? I've contacted Novatel Wireless via email and their developer forum, but have not received a response. Thanks!

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  • What is the best IDE?

    - by venom
    Hello. As a not so experienced man in programming, I start to use netbeans PLATFORM. And I am really impressed by its power (for rich desktop app). I have been learning the programming in another way on university. I have never thought that something as powerful as nb Platform exists. My idea was that 30 people work on some rich desktop app for more than year to make it "beta". Now I know, that it is much more easier. But, I have never be satisfied with my own opinions about "something is best". I am still looking for better mouse trap. So the question is: What is most powerful IDE you know? (it does not strongly depends on language, it means if some combination of language/IDE is really powerful, feel free to answer.)

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  • Localizing concatenated or dynamic strings

    - by SooDesuNe
    I'm familiar with using NSLocalizedString() to localize strings, but the problem I have today requires a little more finesse. My situation is like this: NSString *userName; //the users name, entered by the user. Does not need localized NSString *favoriteFood; //the users favorite food, also entered by user, and not needing localized NSString *summary = [NSString stringWithFormat:@"%@'s favorite food is %@", userName, favoriteFood]; This works fine for english, but not every language uses the same word ordering as English, for example, a word-by-word translation of the same sentance from Japanese into English would read: UserName's favorite food pizza is Not to mention that 's is doesn't make a possessive in every language. What techniques are available for localizing this type of concatenated sentence?

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  • Using C# and VB.NET in one solution

    - by Younes
    I'm busy on a small project to convert an Access2003 db to .NET. I am trying to integrate my functionality in an excisting project that is being used for Administration of some kind. The code in this project is vb.net. I started by setting up my Data Access Layer, which seems to work fine. I can make new web pages that acces the data I need. However when i start to use class files to set up my Business Logic Layer i can't build my project when using C# instead of VB. I Dislike VB and like to program in C# as i know the syntax alot better etc. Is it possible to program using C# knowing that VB.NET was the language chosen to buold the entire project on? If not, what will be the smartest way to integrate my module into the project using my favorite programming language? (Make a project and reference to the dll?)

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  • Ajaxifying Struts2 application

    - by scotty
    I just started working on an application that is build on the Struts2 framework. I am coming from a .Net application with lot of Ajax features like dimming the rest of the site and show dialog box 'please wait while X is happening' ...auto complete and such other ajax features. I searched google for Ajax plugins for Struts2 but did not find anything that looks like it would be worth it. Is my only option to use jquery and its plugins? Is this a pattern that some of you have seen also? Hopefully Java applications are not dead soon because of its inability to cope with ajax...compared to .Net

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  • Are there any widespread, modern Java coding conventions?

    - by brianegge
    Sun's "Code Conventions for the Java Programming Language" was last updated April 1999. Ten years later a lot has changed in the language, as well as general usage patterns. Are there more up to date, widely adopted standards? Most guidelines omit specifying file encoding and line endings. Sun recommends mixed tabs and spaces. The Eclipse IDE defaults to Eclipse's standard, which is tabs only. The Maven style guide is spaces only. Many style guides, such as JBoss, follow Sun's guidelines, but prefer K&R braces instead of OTBS. Each Apache project has it's own style guide, with slight differences between each one.

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  • EE Major : Should I learn Ruby on Rails or Haskell?

    - by Vivek
    Hi,I've just completed my freshman year in college and am majoring in EE (with a lot of interest in CS as well) . I know some Python,C/C++ and Java and also a little bit of Actionscript . I am planning to learn either Haskell or Ruby on Rails. Haskell because it is a functional programming language, and I've been really impressed by this paradigm and Ruby on Rails , as I don't know any 'web' programming language and have heard that you can develop apps in RoR very easily and quickly . Which one should I learn ? and please suggest some links / books for starting off .

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  • Which processors can run CIL

    - by JonnyBoats
    Which processors are capable of running Common Intermediate Language(CIL), formerly known as Microsoft Intermediate Language (MSIL)? Clearly any machine that can run Microsoft Windows with .net qualifies as well as machines targeted by the Mono project. It would appear that the .NET Micro Framework has the ability to target other processors not covered by the above, but it is not clear to me that it uses CIL. Does anyone have a list of which processors are capable of running a program in CIL and or interpreting C# directly (as the .NET Micro Framework appears to do)?

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