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  • Visual Studio Database Edition (DataDude) error numbers?

    - by E. Wilson
    Is there a list somewhere of all the output message numbers from VSDB Depolyments (VsDbCmd.exe from Visual Studio Database Edition)? For example, TSD01268 = normal action successful TSD01236 = missing referenced file (fail) TSD01237 = missing script file (fail) TSD00566 = deployment script generated to _ The way we are wrapping calls to VsDbCmd.exe means catching the %errorlevel% isn't always reliable so we also like to check the output for certain error conditions. It would be nice to see a consolidated list somewhere.

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  • Overload Anonymous Functions

    - by Nissan Fan
    Still wrapping my head around Delegates and I'm curious: Is it possible to overload anonymous functions? Such that: delegate void Output(string x, int y); Supports: Output show = (x, y) => Console.WriteLine("{0}: {1}", x.ToString(), y.ToString()); And: delegate void Output(string x, string y); Allowing: show( "ABC", "EFG" ); And: show( "ABC", 123 );

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  • When would you prefer to declare an exception rather than handling it in Java?

    - by Epitaph
    I know we can declare the exception for our method if we want it to be handled by the calling method. This will even allow us to do stuff like write to the OutputStream without wrapping the code in try/catch block if the enclosing method throws IOException. My question is: Can anyone provide an instance where this is usually done where you'd like the super class to handle the exception instead of the current method?

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  • How to get the height of Label control in Winforms

    - by bmutch
    My label is wrapping the text due to the length of the text. The height property returns the correct value only if there is a single line. How can I get the correct height? Thanks. Solution: I was creating the label dynamically and checking the height then. Later the panel on which the label was residing was added to a form, changing the panel's font and thus also changing the label's font and height.

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  • PHP extension wrapper for C++

    - by Yijinsei
    Hi guys, I am new in this area of writing extension for PHP, however I need to create a wrapper class for C++ to PHP. I am currently using PHP 5.2.13. I read this article http://devzone.zend.com/article/4486-Wrapping-C-Classes-in-a-PHP-Extension, a tutorial on how I could proceed to wrap C++ class to communicate with PHP Zend however it is written to for linux system. Do you guys have any article or advice on how I could proceed to write a wrapper class to communicate with PHP?

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  • How to communicate between ASP.net custom controls

    - by ForeverDebugging
    I'm using two custom controls. One gathers the criteria for a search, and the other displays a list. These two controls need to remain seperate for the time being. What is the best method of transfering data from the search control, to the list control? I'm thinking of ViewState, Session or wrapping both within a UpdatePanel and using custom events??

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  • String Seach Replace AS3

    - by Ross
    I have a bit of text "this is the text want I want to do is replace the text, I have just added another is for good measure" This is stored as a standard string but I want to turn this into html and add css classes like, in this example wrapping around the word "is"; "this is the text want I want to do is replace the text, I have just added another is for good measure" Any ideas how I can do this in as3?

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  • Does a wrapper class for a COM interop IStream already exist?

    - by AnthonyWJones
    I'm about to write a Wrapper for a COM interop IStream so that code that expects a standard .NET Stream can use it. However it occurs to me that this sort of thing may already have been done before (although I haven't been able to find it myself with web searching). So I'm just putting this out here in case I'm about to re-invent the wheel. Note I've come across code implementing IStream wrapping a .NET stream but I need the reverse.

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  • PHP entension wrapper for C++

    - by Yijinsei
    Hi guys, I am new in this area of writing extension for PHP, however I need to create a wrapper class for C++ to PHP. I am currently using PHP 5.2.13. I read this article http://devzone.zend.com/article/4486-Wrapping-C-Classes-in-a-PHP-Extension, a tutorial on how I could proceed to wrap C++ class to communicate with PHP Zend however it is written to for linux system. Do you guys have any article or advice on how I could proceed to write a wrapper class to communicate with PHP?

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  • Downloading file with Python results in only 4.1kB

    - by Vlad Ogay
    I'm using simple code: import urllib2 response = urllib2.urlopen("http://www.mysite.com/getfile/4355") output = open('myfile.zip','wb') output.write(response.read()) output.close() The web-server is IIS + ASP.NET MVC 4 It returns FileResult wrapping a zip-file with "application/octet-stream" content-type. The problem is that downloaded zip file is broken - only 4.1kB size, where it must be 24kB. When I type the url adress in web-browser directly - it downloads and opens fine. Could you please, suggest, what's wrong with my Python code?

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  • asp.net mvc 2 validating text inputs on modal windows

    - by nick
    hi guys, i am tasked with the job of creating client-side validation on a form in an asp.net MVC 2 application, which has a modal window (the modal exists as part of the wrapping form, it is not a form unto itself). how would i go about providing validation for these text field inputs while the modal is visible, but do not validate while the modal is not displayed (as to not cause problems in the rest of the form if the modal window is never required) What is the best approach to achieve this functionality? thanks, Nick

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  • How to redirect within a monad in Yesod?

    - by Squazic
    I'm currently using the fb package to write a Yesod app that takes data from Facebook. In my Handler, I've managed to get the first step of the authentication to work, but I need to redirect to the url that getUserAccessTokenStep1 returns, which I've defined as fbRedirUrl. I'm having trouble with all the monad wrapping and type checking to make sure I can redirect to this url. getAccessTokenR :: Handler RepHtml getAccessTokenR = do withManager $ \manager -> do FB.runFacebookT creds manager $ do fbRedirUrl <- FB.getUserAccessTokenStep1 redirUrl [] liftIO $ print fbRedirUrl

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  • Can I wrap img alt text? [html]

    - by Khan
    I have an image set by css style to 100x75. When it doesn't load, the alt text loads into the space, but expands the container to beyond 100px width. How can I prevent this?? Either by cutting it off or wrapping it

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  • Get width of a single character from ttf-font in php?

    - by Martti Laine
    Hello I'm creating an dynamic image, which creates headers on my page using PHPs GD-library. The problem is, that I need a line-wrapping system. It's not a problem itself, but first I need to get the width (in pixels) of current character. I'm pretty curious about this, is there any way? Or do I need to manually specify width of every abc? Martti Laine

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  • Unmodifiable NavigableSet/NavigableMap in Java?

    - by Greg Mattes
    java.util.Collections has several unmodifiable methods that provide unmodifiable collection views by wrapping collections in decorators that prohibit mutation operations. Java 6 added support for java.util.NavigableSet and java.util.NavigableMap. I'd like to be able to have unmodifiable NavigableSets and NavigableMaps, but java.util.Collections#unmodifiableSortedSet(SortedSet) and java.util.Collections#unmodifiableSortedMap(SortedMap) are not sufficient because they do not support the operations that are particular to NavigableSet and NavigableMap. Are there de-facto implementations for unmodifiableNavigableSet and unmodifiableNavigableMap?

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  • How do I recover from an unchecked exception?

    - by erickson
    Unchecked exceptions are alright if you want to handle every failure the same way, for example by logging it and skipping to the next request, displaying a message to the user and handling the next event, etc. If this is my use case, all I have to do is catch some general exception type at a high level in my system, and handle everything the same way. But I want to recover from specific problems, and I'm not sure the best way to approach it with unchecked exceptions. Here is a concrete example. Suppose I have a web application, built using Struts2 and Hibernate. If an exception bubbles up to my "action", I log it, and display a pretty apology to the user. But one of the functions of my web application is creating new user accounts, that require a unique user name. If a user picks a name that already exists, Hibernate throws an org.hibernate.exception.ConstraintViolationException (an unchecked exception) down in the guts of my system. I'd really like to recover from this particular problem by asking the user to choose another user name, rather than giving them the same "we logged your problem but for now you're hosed" message. Here are a few points to consider: There a lot of people creating accounts simultaneously. I don't want to lock the whole user table between a "SELECT" to see if the name exists and an "INSERT" if it doesn't. In the case of relational databases, there might be some tricks to work around this, but what I'm really interested in is the general case where pre-checking for an exception won't work because of a fundamental race condition. Same thing could apply to looking for a file on the file system, etc. Given my CTO's propensity for drive-by management induced by reading technology columns in "Inc.", I need a layer of indirection around the persistence mechanism so that I can throw out Hibernate and use Kodo, or whatever, without changing anything except the lowest layer of persistence code. As a matter of fact, there are several such layers of abstraction in my system. How can I prevent them from leaking in spite of unchecked exceptions? One of the declaimed weaknesses of checked exceptions is having to "handle" them in every call on the stack—either by declaring that a calling method throws them, or by catching them and handling them. Handling them often means wrapping them in another checked exception of a type appropriate to the level of abstraction. So, for example, in checked-exception land, a file-system–based implementation of my UserRegistry might catch IOException, while a database implementation would catch SQLException, but both would throw a UserNotFoundException that hides the underlying implementation. How do I take advantage of unchecked exceptions, sparing myself of the burden of this wrapping at each layer, without leaking implementation details?

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  • How to define an extern, C struct returning function in C++ using MSVC?

    - by DK
    The following source file will not compile with the MSVC compiler (v15.00.30729.01): /* stest.c */ #ifdef __cplusplus extern "C" { #endif struct Test; extern struct Test make_Test(int x); struct Test { int x; }; extern struct Test make_Test(int x) { struct Test r; r.x = x; return r; } #ifdef __cplusplus } #endif Compiling with cl /c /Tpstest.c produces the following error: stest.c(8) : error C2526: 'make_Test' : C linkage function cannot return C++ class 'Test' stest.c(6) : see declaration of 'Test' Compiling without /Tp (which tells cl to treat the file as C++) works fine. The file also compiles fine in DigitalMars C and GCC (from mingw) in both C and C++ modes. I also used -ansi -pedantic -Wall with GCC and it had no complaints. For reasons I will go into below, we need to compile this file as C++ for MSVC (not for the others), but with functions being compiled as C. In essence, we want a normal C compiler... except for about six lines. Is there a switch or attribute or something I can add that will allow this to work? The code in question (though not the above; that's just a reduced example) is being produced by a code generator. As part of this, we need to be able to generate floating point nans and infinities as constants (long story), meaning we have to compile with MSVC in C++ mode in order to actually do this. We only found one solution that works, and it only works in C++ mode. We're wrapping the code in extern "C" {...} because we want to control the mangling and calling convention so that we can interface with existing C code. ... also because I trust C++ compilers about as far as I could throw a smallish department store. I also tried wrapping just the reinterpret_cast line in extern "C++" {...}, but of course that doesn't work. Pity. There is a potential solution I found which requires reordering the declarations such that the full struct definition comes before the function foward decl., but this is very inconvenient due to the way the codegen is performed, so I'd really like to avoid having to go down that road if I can.

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  • Mix of Arabic and English causes problems in JTextArea (Java)

    - by Dan
    I have a JTextArea which displays HTML of an Arabic web page. So it's essentially a mix of English and Arabic. In the JTextArea, with columns set to 30, certain text just disappears instead of wrapping properly. The weird thing is that if I copy the invisible text and paste it into Notepad, then I can see it in Notepad. If I change the number of columns to 40, everything displays fine. Any ideas?

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  • User Defined Exceptions with JMX

    - by Daniel
    I have exposed methods for remote management in my application server using JMX by creating an MXBean interface, and a class to implement it. Included in this interface are operations for setting attributes on my server, and for getting the current value of attributes. For example, take the following methods: public interface WordManagerMXBean { public void addWord(String word); public WordsObject getWords(); public void removeWord(String word); } The WordsObject is a custom, serializable class used to retrieve data about the state of the server. Then I also have a WordManager class that implements the above interface. I then create a JMX agent to manage my resource: MBeanServer mbs = ManagementFactory.getPlatformMBeanServer(); ObjectName wordManagerName = new ObjectName("com.example:type=WordManager"); mbs.registerMBean(wordManager, wordManagerName); I have created a client that invokes these methods, and this works as expected. However, I would like to extend this current configuration by adding user defined exceptions that can be sent back to my client. So I would like to change my interface to something like this: public interface WordManagerMXBean { public void addWord(String word) throws WordAlreadyExistsException; public WordsObject getWords(); public void removeWord(String word); } My WordAlreadyExistsException looks like this: public class WordAlreadyExistsException extends Exception implements Serializable { private static final long serialVersionUID = -9095552123119275304L; public WordAlreadyExistsException() { super(); } } When I call the addWord() method in my client, I would like to get back a WordAlreadyExistsException if the word already exists. However, when I do this, I get an error like this: java.rmi.UnmarshalException: Error unmarshaling return; nested exception is: java.lang.ClassNotFoundException: com.example.WordAlreadyExistsException The WordAlreadyExistsException, the WordsObject and the WordManagerMXBean interface are all in a single jar file that is available to both the client and the server. If I call the getWords() method, the client has no difficulty handling the WordsObject. However, if a user defined exception, like the one above, is thrown, then the client gives the error shown above. Is it possible to configure JMX to handle this exception correctly in the client? Following some searching, I noticed that there is an MBeanException class that is used to wrap exceptions. I'm not sure if this wrapping is performed by the agent automatically, or if I'm supposed to do the wrapping myself. I tried both, but in either case I get the same error on the client. I have also tried this with both checked and unchecked exceptions, again the same error occurs. One solution to this is to simply pass back the error string inside a generic error, as all of the standard java exceptions work. But I'd prefer to get back the actual exception for processing by the client. Is it possible to handle user defined exceptions in JMX? If so, any ideas how?

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  • Uncatchable errors in node.js

    - by Peter Burns
    So I'm trying to write a simple TCP socket server that broadcasts information to all connected clients. So when a user connects, they get added to the list of clients, and when the stream emits the close event, they get removed from the client list. This works well, except that sometimes I'm sending a message just as a user disconnects. I've tried wrapping stream.write() in a try/catch block, but no luck. It seems like the error is uncatchable.

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