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  • C# - Basic question: What is '?' ?

    - by Amokrane
    Hi, I'm wondering what ? means in C# ? I'm seeing things like: DateTime? or int?. I suppose this is C# specific to C# 4.0? I can't look for it in Google because I don't know the name of this thing. The problem is I'm using DateTime and I have a lot of cast errors (from DateTime to DateTime?). Thank you

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  • Help getting the following create table function to work with mysql and C#

    - by Matt
    string createTable = "CREATE TABLE IF NOT EXISTS " + m_strDatabase + "_TimeLogs (logName VARCHAR(16), logTime INTEGER, logCountry TEXT, UNIQUE(logName)) TYPE=MyISAM;"; When this runs, no table is created. No errors either. Im using an ODBC connector. the variable passes in the db name, so that the table created would be users_TimeLogs if the database was called users for example. Am I doing something wrong?

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  • catching erros and exiting

    - by apple pie
    In python, is there a way to exit a class after testing a condition, without exiting out of python? say i have the class class test(): def __init__(self): self.a = 2 def create_b(self): self.b = 3 def does_b_exist(self): if <self.b doesnt exist>: #terminate self.b += 1 try/except` doesnt work since the rest of the program doesnt terminate after failing. im basically trying to catch an error, and do what python does when it shows you errors, but i cant figure out how to do it

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  • Django: How do I use assert False, sys.exc_info()[0] without showing a system error page?

    - by swisstony
    I'm new to Django and have some code in my views.py like this: try: myfunction() except: assert False, sys.exc_info()[0] This is very helpful because I get an email with lots of useful info if there's an error. The problem is that it also redirects the user to a Webfaction system error page. What I'd like to know is how do I still get the useful error email, but redirect the user to my own error page? Also, is this the best way to be handling errors in Django?

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  • Auto comment all public members in a file

    - by ooo
    I have turned on warnings as errors and now i need to XML comment all of my public methods. just to get my program compiling, i just want to put placeholders for now. Is there anyway to automatically add XML comments to all of the public members in a class or a file. I see ghost doc which gives you good autogenerated XML comments but it still looks like it only does one member at a time.

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  • Air/Flex concatenating a variable with a property

    - by Deyon
    I have three text boxes on the stage id=red, blue, green same as the keys in my cars Object/Array public function carsToBox():void { var cars:Object={red:"300zx",blue:"Skyline",green:"Supra"}; for(var tempObj:String in cars) { tempObj.text= cars[tempObj];//this trows errors } } So I'm thinking "tempObj.text" would equal red.text but I can't stick "tempObj" with ".text" is there a way this can be done?

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  • Isolated storage location for windows phone 7?

    - by StarCub
    Hi, I'm building a windows phone 7 application using silverlight 4. I store my data in Isolated storage as outlined here. The program runs with no errors. My question is where I can see the file I have saved? Is it possible to find the file in the windows phone 7 emulator? Thanks in advance.

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  • Tomcat 6 is really UNSTABLE when redeploying web apps

    - by EugeneP
    Do you know how to make it more stable, maybe properties to set, memory to allocate? It always hangs up when redeploying web apps, thru manager (wars), web interface or maven plugin. every second time it gives PermGenSpace, no memory errors etc. on my local machine 3gb ram. It looks like it should be manually set up to work in a stable way. How to fix such a problem?

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  • What's the best CDN for image hosting on a high-volume web site?

    - by Mike
    Akamai is way too expensive. Photobucket is not reliable. Is there a great content delivery network that I can use just to host my images? We deploy images programmatically via FTP, so there is some programming behind the scenes. Having some sort of reporting about the reliability of the service, whether it's raw logs files or a web-based admin screen that shows http errors, would also be important. Has anyone worked with edgecast?

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  • SQL Server varchar to datetime

    - by Dezigo
    I have a field varchar(14) = 20090226115644 I need convert it to - 2009-02-26 11:56:44 (datetime format) My idea. use cast and convert.. but I always have errors. Conversion failed when converting datetime from character string. I made this, but don`t like it.. SELECT SUBSTRING(move,1,4) + '-' + SUBSTRING(move,5,2) + '-' + SUBSTRING(move,7,2) + ' ' + SUBSTRING(move,9,2) + ':' + SUBSTRING(move,11,2) + ':'+SUBSTRING(move,13,2) as new -- FROM [Test].[dbo].[container_events] where move IS not null Result :2009-02-26 11:56:44

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  • Source From Standard In (Bash on OSX)

    - by yar
    I am trying to do something like this ruby test.rb | source /dev/stdin where test.rb just prints out cd /. There are no errors, but it doesn't do anything either. If I use this: ruby test.rb > /eraseme; source /eraseme it works fine, but I want to avoid the intermediate file.

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  • Have any facility to use OCR through sharepoint?

    - by govind1987
    I want to use use share point to access the OCR engine? I downloaded the tessnet2 .dll and Demo application with database but this app. not working properly and cant generate the text which I want please help me any who finding errors in me and say show effert. friends I am just stating with .net.

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  • Under what conditions will you get unresolved external symbol for __declspec(dllimport)?

    - by Mark
    I am converting an application to use .dlls and I'm riddled with linker errors stating unersolved external symbol"__declspec(dllimport) public: void __thiscall Rail::SetNextrail(class Rail *)" There is more gibberish at the end of this error message. Why should this happen and how do you fix it? __declspec(dllimport) is being placed with a macro defined as: #ifdef LUDOAI_EXPORT #define DECLSPECAI __declspec(dllexport) #else #define DECLSPECAI __declspec(dllimport) #endif

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  • The best way to rename a project in Visual Studio 2008

    - by radbyx
    I always find my self in trouble with alot of (namespace or refference errors?), when trying to rename a project in VS. This is how I do: I click on the project and press F2 and rename it. That procedure do you guys follow? I use to work in Eclipse, and there I don't have the problems, maybes it's easy in VS too and it's just me. Thx, radbyx

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  • Haskell lists difference

    - by user559354
    I'm trying make a lists difference. Found directly prelude operator \\\\ that makes lists difference. But errors Not in scope: '\\\\' occurs. Here is my simple from command line interpreter: Prelude> ([1,2,3] ++ [5,6]) -- works like expected [1,2,3,4,5,6] prelude> ([1,2,3] \\\\ [1,2]) -- erros occurs <interactive>:1:11: Not in scope: "\\\\" Thanks for explanation where I make a mistake.

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  • How to link latest stable version of libCURL using vc++2010

    - by Rollie
    On 2 separate machines in completely different environments (work, home) I've been unable to compile libCURL out of the box. Running nmake -f Makefile.vc mode=dll VC=10, I get an unresolved external symbol errors for _IdnToAscii and _IdnToUnicode. I believe the definitions are in Normaliz.lib, which is referenced in LFLAGS, but it either isn't finding it or the version I have doesn't have those functions. But I don't see any option to download this file...anyone have a good solution short of commenting out the 2 lines that use these functions?

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  • When Something Occurs in a BackgroundWorker, Trigger Code on a Different Thread?

    - by Soo
    I have a background worker that runs and looks for stuff, and when it finds stuff, I want to update my main WinForm. The issue that I'm having is that when I try to update my WinForm from my background worker, I get errors that tell me I can't modify things that were made outside of my background worker (in other words, everything in my form). Can someone provide a simple code example of how I can get my code to work the way I want it to? Thanks!

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  • How to automatically reseed after using identity_insert?

    - by Earlz
    Hello, I recently migrated from a PostgreSQL database to a SQL Server database. To switch the data over I had to enable IDENTITY_INSERT. Well come to find out that I get all sorts of strange errors due to duplicate identity values(which are set as primary keys) upon doing an insert in any of the tables. I have quite a few tables. What would be the easiest way of automatically reseeding the identity of every table so that it is after max(RID)?

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