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  • Creating a new record using AJAX in ASP.NET-MVC

    - by RememberME
    I am having the hardest time wrapping my head around this. I recently asked this question Create/Edit/Save data in a jQuery pop-up for ASP.NET-MVC and Linq2Sql I'm sure that the response is the right way to go, but I just can't figure out how to write the back-end code to make it work. I originally made my site by following the nerddinner tutorial. I have a subcontracts model and a subcontracts controller. On my subcontract entry page, I'd like for there to be a pop-up/dialog box where the user can enter a new company if the company isn't already in the drop-down list. Do I need to create a new company controller? I wouldn't have a company model b/c the company table is linked to my subcontracts table within the subcontracts dbml. Can anyone point me to an example somewhere? Or offer any help.

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  • Python objects as userdata in ctypes callback functions

    - by flight
    The C function myfunc operates on a larger chunk of data. The results are returned in chunks to a callback function: int myfunc(const char *data, int (*callback)(char *result, void *userdata), void *userdata); Using ctypes, it's no big deal to call myfunc from Python code, and to have the results being returned to a Python callback function. This callback work fine. myfunc = mylib.myfunc myfunc.restype = c_int myfuncFUNCTYPE = CFUNCTYPE(STRING, c_void_p) myfunc.argtypes = [POINTER(c_char), callbackFUNCTYPE, c_void_p] def mycb(result, userdata): print result return True input="A large chunk of data." myfunc(input, myfuncFUNCTYPE(mycb), 0) But, is there any way to give a Python object (say a list) as userdata to the callback function? In order to store away the result chunks, I'd like to do e.g.: def mycb(result, userdata): userdata.append(result) userdata=[] But I have no idea how to cast the Python list to a c_void_p, so that it can be used in the call to myfunc. My current workaround is to implement a linked list as a ctypes structure, which is quite cumbersome.

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  • Associating Worksheets with their Names using OpenXML SDK 1.0

    - by John Price
    I'm using version 1.0 of Microsoft's OpenXML SDK to do some basic parsing of .xlsx files. I can get and parse the worksheets, and I can get a list of worksheet names, but I cannot for the life of me figure out how to link up what name goes with what worksheet. I understand that an element like <sheet name="My Sheet" sheetId="1" r:id="rId1"/> in the workbook is linked up to a specific worksheet via the relationships defined in xl/_rels.xml, but I can't see where any of the relationship info is exposed in the API. I'm using C#, but any VB.NET examples would be just as helpful. I feel like this should be dead simple, but I can't figure it out. It also looks like it may be more straightforward in v2.0 of the SDK, but upgrading isn't an option at the moment.

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  • Best Data Structure For Time Series Data

    - by TriParkinson
    Hi all, I wonder if someone could take a minute out of their day to give their two cents on my problem. I would like some suggestions on what would be the best data structure for representing, on disk, a large data set of time series data. The main priority is speed of insertion, with other priorities in decreasing order; speed of retrieval, size on disk, size in memory, speed of removal. I have seen that B+ trees are often used in database because of their fast search times, but how about for fast insertion times? Is a linked list really the way to go? Thanks in advance for your time, Tri

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  • Debugging ASP.NET Strings Downloaded to Browser

    - by jdk
    I'm downloading a vCard to the browser using Response.Write to output .NET strings with special accented characters. Mime type is text/x-vcard and French characters are appearing wrong in Outlook, for example Montréal;Québec .NET string shows as Montréal Québec in browser. I'm using this vCard code from CodeProject.com I've played with the System.Encoding sample code at the bottom of this linked MSDN page to convert the unicode string into bytes and then write the ascii bytes but then I get Montr?al Qu?bec (progress but not a win). Also I've tried setting content type to both us-ascii and utf-8 of the response. Apparently the vcard file downloads as unicode. If I save it as ASCII text and open in Outlook it's okay. So my assumption is I need to cause download of ASCII but am unsure if I'm doing it wrong or have a misunderstanding of where to start.

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  • .NET Deployment Framework

    - by Khash
    Many people use Nant or Powershell for deployment of their apps to different servers/environments. These are based on scripting while some solutions allow deployment to be embedded in code like Migrator.Net and other Ruby inspired Db deployment/migration frameworks in .NET. I was wondering if there are any frameworks for .NET for application deployment that would allow developers to embed full deployment inside code. Things like copying files, creating web apps in IIS, stopping and starting services and so on.

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  • Explain Python extensions multithreading

    - by Checkers
    Python interpreter has a Global Interpreter Lock, and it is my understanding that extensions must acquire it in a multi-threaded environment. But Boost.Python HOWTO page says the extension function must release the GIL and reacquire it on exit. I want to resist temptation to guess here, so I would like to know what should be GIL locking patterns in the following scenarios: Extension is called from python (presumably running in a python thread). And extension's background thread calls back into Py_* functions. And a final question is, why the linked document says the GIL should be released and re-acquired?

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  • undefined BIO_new_socket function in OpenSSL library

    - by Chuck
    Hi, I get the following problem with some openssl (yeah, I know it's poorly documented, but I wish to use it any way) code in a project of mine (written in c, on osx and tested in ubuntu): Undefined symbols: "_BIO_new_socket", referenced from: _main in ccG3cvyw.o ld: symbol(s) not found collect2: ld returned 1 exit status I did have SSL library problems aswel, because I forgot to link my program to the openssl libraries. The above undefined still stands though. My compile line is: gcc -o test_app test_app.c -lssl Versions I use: (GCC) 4.2.1 OpenSSL 0.9.8l 5 Nov 2009 I'm fairly certain it's a (linked) library issue, as the SSL function SSL_set_bio() works (as in does not produce a build error). Any clue is very much appreciated :) Chuck

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  • Weak linking on iPhone refuses to work

    - by Jonathan Grynspan
    I've got an iPhone app that's mainly targetting 3.0, but which takes advantage of newer APIs when they're available. Code goes something like this: if (UIApplicationDidEnterBackgroundNotification != NULL) [nc addObserver: self selector: @selector(irrelelvantCallbackName:) name: UIApplicationDidEnterBackgroundNotification object: nil]; Now, according to everything Apple's ever said, if the relevant APIs are weakly linked, that will work fine because the dynamic linker will evaluate UIApplicationDidEnterBackgroundNotification to NULL. Except that it doesn't. The application compiles, but as soon as it hits "if (UIApplicationDidEnterBackgroundNotification != NULL)" it crashes with EXC_BAD_ACCESS. Is this simply a matter of a compiler flag I need to set? Or am I going about this the wrong way?

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  • OCUnit testing an embedded framework

    - by d11wtq
    I've added a Unit Test target to my Xcode project but it fails to find my framework when it builds, saying: Test.octest could not be loaded because a link error occurred. It is likely that dyld cannot locate a framework framework or library that the the test bundle was linked against, possibly because the framework or library had an incorrect install path at link time. My framework (the main project target) is designed to be embedded and so has an install path of @executable_path/../Frameworks. I've marked the framework as a direct dependency of the test target and I've added it to the "Link Binary with Libraries" build phase. Additionally I've add a first step (after it's built the dependency) of "Copy Files" which simply copies the framework to the unit test bundle's Frameworks directory. Anyone got any experience on this? I'm not sure what I've missed.

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  • Crystal Reports alternative that can use db connection on web.config?

    - by sergiogx
    Crystal reports isn't working on different servers because they use different connection strings and crystal reports can't use the connection string stored on the web.config to access the database. Is there an alternative to crystal reports that can use the connection string on the web.config file? or does someone know how to fix the problem using crystal reports? thanks.

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  • Parse values from a text file in C

    - by Mohit Deshpande
    Say I have written to a text file in this format: key1/value1 key2/value2 akey/withavalue anotherkey/withanothervalue I have a linked list like: struct Node { char *key; char *value; struct Node *next; }; to hold the values. How would I read key1 and value1? I was thinking of putting line by line in a buffer and using strtok(buffer, '/'). Would that work? What other ways could work, maybe a bit faster or less prone to error? Please include a code sample if you can!

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  • Are Rich Snippets page specific or domain specific?

    - by John Isaacks
    Google will now parse certain microdata (for example reviews) on your web pages and display the info in search results. They call this Rich Snippets I am wondering is this page specific or domain specific? I keep all my reviews on a separate review page thats linked to from the home page. But my review page itself is very unlikely to be displayed in a search result, more likely to be displayed is my homepage or product landing page. But being that the review microdata is not on these pages (but is on the website). I am wondering if the rich snippets will be shown for these pages?

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  • Advice on HTTPS connections using Ruby on Rails

    - by user502052
    Since I am developing a "secure" OAuth protocol for my RoR3 apps, I need to send protected information over the internet, so I need to use HTTPS connections (SSL/TSL). I read How to Cure Net::HTTP’s Risky Default HTTPS Behavior aticle that mentions the 'always_verify_ssl_certificates' gem, but, since I want to be more "pure" (it means: I do not want to install other gems, but I try to do everything with Ruby on Rails) as possible, I want to do that work without installing new gems. I read about 'open_uri' (it is also mentioned in the linked article: "open_uri is a common exception - it gets things right!") that is from the Ruby OOPL and I think it can do the same work. So, for my needs, is 'open_uri' the best choice (although it is more complicated of 'always_verify_ssl_certificates' gem)? If so, can someone help me using that (with an example, if possible) because I have not found good guides about?

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  • Google Analytic Metric to use for off-site banner click comparison

    - by EricPatterson
    I have all my off-site banner ads correctly campaign tracked/tagged but I want to know what metrics I should be looking at in the GA for the closest comparison to the ad servers clicks. I am pretty sure it wouldn't be Visits but I also see there is PageViews and UniquePageViews. My GA data is coming in way off from what the ad server manager people are telling my clicks are for said banners on their site. My other question is what type of percentage are other people seeing there data being off?

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  • How do you unit test JEE code?

    - by marabol
    I want to ask for your prefered way to test JEE code? I found only three project, that are trying to help to code unit tests in JEE environment: http://jakarta.apache.org/cactus/ : Last Published: 2009-01-18 http://www.junitee.org/ : Last Release: 2004-12-11 http://ejb3unit.sourceforge.net/ : Last Release: 2008-05-17 So I wonder, is there any framework helping to write (j) unit test for JEE code? do you use embedded JEE servers like jboss or glassfish v3? do you mockup and inject by yourself? Thanks a lot...

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  • fsutil hardlink doesn't work?

    - by Alix Axel
    I was looking for a way to create hard links under Windows and I found this page: http://technet.microsoft.com/en-us/library/cc788097.aspx To try it out, I created a file (1.txt) on the root of my C: drive with 100 lines of the following content: C:\1.txt (2.598 bytes): test test test test test Then I open the command prompt and type: fsutil hardlink create C:\2.txt C:\1.txt Success, 2.txt was created but when I go to see it's size it has exactly 2.598 bytes and also noticed some strange behaviours (as far as my understanding of hard links goes): If I delete 2.txt (the hard linked file) 1.txt is not deleted, and vice-versa. If I open 2.txt after I delete 1.txt (the original file) the content is still the same. How does the fsutil hardlink create command differs from the copy command? And how can I create a true hard link under Windows? I'm using Windows XP SP 3, and my file system is NTFS.

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  • jQuery / Spry Validation / Problem

    - by samuel baldus
    Hi Chaps, I have a PHP form with one input and a button. A jQuery script ('loading' animated gif) is triggered on the click of the submit button. I also have a Spry Validation field linked to the input. At the moment, if the validation is triggered, the animated gif continues and won't stop. The furthest I've managed to get with it, is to click the validation message to stop the animation, but what I'm really after is to stop the animation when the validation is visible/triggered, but I can't find a suitable Event. $(function() { $("#button_download") .click(function() { }) .throbber(); $("#sprytextfield1") .click(function(sprytextfield1) { $.throbberHide(); }) }); If someone can point me in the right direction, that would be sweet.

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  • what architecture to use with asp.net mvc vd web forms

    - by kacalapy
    please explain how to get high capacity architectures with both the default asp.net web forms and mvc models with regard to being able to serve millions of page views. i want to know how to set up each model from DB clustering, to caching, logical/ physical tiers, load balancing iis servers, scaling out or up, session state management and so on... is one more scalable than the other? thanks all.

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  • Why am I losing sessions when running in StateServer mode?

    - by Nick Allen - Tungle139
    I have checked the servers (Win Server 2003) application event logs for the following problem http://support.microsoft.com/kb/308097 which doesn't show up. It just appears that sessions drop randomly for random users It's a single server setup, no web farms and no load balancing Even though the issue I point to above doesn't occur in the logs, is it worth increasing the stateNetworkTimeout attribute anyway? The configuration at the moment is simply <sessionState mode="StateServer" cookieless="false" stateConnectionString="tcpip=localhost:42424" timeout="60"/>

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  • How to highlight clicks in app widget?

    - by steff
    Hi everyone, I have an app widget which runs neatly. However, I am unable to highlight a click on a linked item. I've seen it in the standard app widgets like 'Music' and 'Power Control', for instance. Moreover, I've also been studying the Music app widget's source at album_appwidget.xml. The only thing I could think of is the LinearLayout defined at lines 23-35 which states android:clickable="true" Unfortunately, this does not work for me. So does anyone have a hint on how to highlight a click on an app widget? I've tried the LinearLayout, TextView and Button. None of them displayed a border as a highlight. Thanks in advance, Steff

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  • Properties.Settings Ambiguity after adding LINQ to SQL

    - by Emmanuel Smith
    I have recently linked a database to my C# service by creating a LINQ to SQL item in my solution. Everything was fine and dandy as I was continuing to code, but then I suddenly noticed that there where 16 Ambiguity errors. e.g. Ambiguity between 'EmailService.Properties.Settings.defaultInstance' and 'EmailService.Properties.Settings.defaultInstance' What happened was that the database file decided to create it's own Setting.Designer.cs; So now I have a Settings.Designer.cs and a Settings1.Designer.cs (which was created by the LINQ to SQL file) in my Properties folder. Is there anyway that I can change where the database file is referencing its settings so I can delete the duplicate?

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