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• Providing SaaS functionality to a .NET portal with DLLs

  - by Abdullah Jibaly

  I'm not sure I'm asking the right question here, but I'm looking to provide web based functionality from one ASP.NET application to another remote 'portal-like' application. Is it possible to simply give the portal a DLL? As an example, let's say the SaaS web app has a patient-entry form that I want to be able to use from the portal application. I would like the portal app to be able to set preferences (permissions, color, style, etc), make a function call, and have that capability presented within a certain div or something. Is there any .NET technologies that provide this kind of integration?

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• UI Components for Windows Mobile Applications (.NET Compact Framework)

  - by splattne

  Applications which run on mobile devices have special user interface requirements. I think Apple did a great job introducing innovative controls on the iPhone/iPod touch platform. Now, I have to design an application for the Windows Mobile platform using the .NET Compact Framework (Visual Studio 2008). I wonder if there are some commercial or open source UI control sets available which are similar to the iPhone / iPod touch UI elements: Scrolling panels based on gestures Instead of a dropdownlist: a new panel with a large list of items Sliding panels etc. I couldn't find any useful products/code. Maybe there is somebody out there with more experience who could help.

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• Displaying UserControls based on the type a TreeView selection is bound to

  - by Ray Wenderlich

  I am making an app in WPF in a style similar to Windows Explorer, with a TreeView on the left and a pane on the right. I want the contents of the right pane to change depending on the type of the selected element in the TreeView. For example, say the top level in the Tree View contains objects of class "A", and if you expand the "A" object you'll see a list of "B" objects as children of the "A" object. If the "A" object is selected, I want the right pane to show a user control for "A", and if "B" is selected I want the right pane to show a user control for "B". I've currently got this working by: setting up the TreeView with one HierarchialDataTemplate per type adding all the UserControls to the right pane, but collapsed implementing SelectedItemChanged on the TreeView, and setting the appropriate usercontrol to visible and the others to collapsed. However, I'm sure there's a better/more elegant way to switch out the views based on the type the selection is bound to, perhaps by making more use of data binding... any ideas?

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• Simple ADO.NET C# Stored Procedure Generator

  - by Ron

  I am using Visual Studio 2005, Sql Server 2005, C#, ADO.NET. We have a very large database and routinely adding new stored procedures. I am tired of writing the C# wrapper code for these stored procedures, seems like there should be some simple utility or Add In that would allow me to simply point to a stored procedure and generate some generic C# code. I am not looking for some big ORM or data access layer framework. The company I am doing this for is not interested in moving to something like that right now. Just wanting something to take the grunt work out of writing the C# wrappers around stored procedures. Again, prefer that we do not have to include in other 3rd party libraries, etc. Any ideas?

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• Force redraw as resizing NSTableColumn in NSTableView?

  - by Dov

  I've implemented - (CGFloat)tableView:(NSTableView *)tableView heightOfRow:(NSInteger)row in my NSTableView's delegate to resize the height of my table's rows as the width of the leftmost column changes. The problem is that only that column redraws during the resizing (and any column that slide into view during the resize). This results in the funky visual below after resizing. What I'd like is a way to tell the table view to completely redraw while the user is resizing a column. Right now the most I've been able to figure out is calling setNeedsDisplay after it that column finishes resizing.

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• django left join with null

  - by SledgehammerPL

  The model: class Product(models.Model): name = models.CharField(max_length = 128) def __unicode__(self): return self.name class Receipt(models.Model): name = models.CharField(max_length=128) components = models.ManyToManyField(Product, through='ReceiptComponent') class Admin: pass def __unicode__(self): return self.name class ReceiptComponent(models.Model): product = models.ForeignKey(Product) receipt = models.ForeignKey(Receipt) quantity = models.FloatField(max_length=9) unit = models.ForeignKey(Unit) def __unicode__(self): return unicode(self.quantity!=0 and self.quantity or '') + ' ' + unicode(self.unit) + ' ' + self.product.genitive The idea: there are a components on stock. I'd like to find out which recipes I can made with components which I have. It's not easy - but possible - I made a SQL view, which gets the solution. But I'm learning python and Django so I'd like to make it Django-style ;D The concept of solution: get the set of recipes which has at last one component: list_of_available_components = ReceiptComponent.objects.filter(product__in=list_of_available_products).distinct() list_of_related_receipts = Receipt.objects.filter(receiptcomponent__in = list_of_available_components).distinct() get recipes (from list_of_related_receipts) which has not at last one component list_of_incomplete_recipes = (SELECT * FROM drinkbook_receiptcomponent LEFT JOIN drinkstore_stock_products USING(product_id) WHERE drinkstore_stock_products.stock_id IS NULL AND receipt_id IN (SELECT receipt_id FROM drinkbook_receiptcomponent JOIN drinkstore_stock_products USING(product_id))) get recipes (from list_of_related_receipts) which are not in "list_of_incomplete_recipes"

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• what's an option strict and explicit?

  - by Ygam

  I saw this post: "Typos… Just use option strict and explicit please.. during one software development project, which I was on as a consultant, they were getting ridiculous amounts of errors everywhere… turned out the developer couldn’t spell and would declare variables with incorrect spelling.. no big deal, until you use the correct spelling when you’re assigning a value to it… and you had option explicit off. Ouch to them…" what is an option strict and explicit anyway? I have googled it up but can't get the idea (because mostly it's Visual Basic, I'm doing PHP)

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• Multilevel nested product categories display with asp.net and sql server?

  - by Kunal

  I have a product category table with the following fields: cat_id (PK) Cat_name Cat_desc Parent_Cat_Id Now when a user wants to add a product he should be able to select multiple categories from a listbox(multiselection enabaled). But to let the user know the hierarchy of the categories, I need to display them in the following style: parent category 1 parent category 1-sub category 1 parent category 1-sub category 1-sub-sub category 1 parent category 1-sub category 1-sub-sub category 2 parent category 1-sub category 2 Parent category 2 ... I know that to achieve this I need to use recursive programming. But how can we do it via stored procedures? That would be much more efficient, right? Thanks in advance for your kind help.

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• Strange fstream problem

  - by noname

  Hi, I have really strange problem. In Visual C++ express, I have very simple code, just: #include <fstream> using namespace std; int main() { fstream file; file.open("test.txt"); file<<"Hello"; file.close(); } This same code works OK in my one project, but when I create now project and use this same lines of code, no file test.txt is created. Please, what is wrong?¨ EDIT: I expect to see test.txt in VS2008/project_name/debug - just like the first functional project does.

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• Can a CWinApp be placed in a DLL?

  - by jmucchiello

  I'm updating some legacy apps to Visual Studio 10 and am in linker hell. All of these DLLs derive classes from CWinApp and use AfxGetApp() to get access to the object. When I link the DLLs I get unresolved externals that look like global static objects that would get pulled in by a normal app's main(): Shell.lib(SHELL.obj) : error LNK2001: unresolved external symbol "public: static struct CRuntimeClass const CException::classCException" (?classCException@CException@@2UCRuntimeClass@@B) Shell.lib(SHELL.obj) : error LNK2001: unresolved external symbol "public: static struct CRuntimeClass const CFrameWnd::classCFrameWnd" (?classCFrameWnd@CFrameWnd@@2UCRuntimeClass@@B) Shell.lib(SHELL.obj) : error LNK2001: unresolved external symbol "public: static class CRect const CFrameWnd::rectDefault" (?rectDefault@CFrameWnd@@2VCRect@@B) My current combination of ignore default libraries and additional libraries (the method you can easily google to find the answer to linker hell) is: msvcprtd.lib,mfc100d.lib,mfcs100d.lib,libcmtd.lib When I add nafxcwd.lib (the mfc library), these three external symbols resolve but I end up with a bunch of other duplicate symbols (requiring the use of /FORCE:MULTIPLE) and in end __argc and __argv become unresolved. So the basic question is: Can you link a DLL containing a CWinApp in VS10? How do you setup the linker to do it?

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• "autotest/rails [...] doesn't [...] exist. Aborting"

  - by Ethan

  I'm finding that autotest has stopped working... $ autotest loading autotest/rails Autotest style autotest/rails doesn't seem to exist. Aborting. According to this blog post, the common reason for this error is that people don't have the autotest-rails gem installed. However, I definitely have that installed: autotest-rails (4.1.0) ZenTest (4.1.4, 4.1.3, 4.1.1, 4.0.0, 3.11.1, 3.11.0, 3.10.0, 3.9.3, 3.9.2) I haven't installed any new gems today or yesterday, though I might have done a gem update yesterday. Another issue I saw mentioned was incompatibility with Ruby 1.9, but I'm using MRI Ruby 1.8.6.

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• Getting "longnamesfirst" option to work with natbib in LaTeX - custom .bst

  - by jkale

  Hey all, I'm writing an MSc dissertation and I'm having difficulty getting the longnamesfirst option working in natbib. My University has a very specific referencing style a little like APA, but not quite the same. I've used the docstrip utility to build a basic framework and then edited it to fit the requirements of my University. Having tested it with the simplest possible document; applying my bst then trying it again with one of the defaults (\bibliographystyle{apacite}) I can see than natbib works as intended with apacite. It doesn't however produce correct results with my bst. So my question: How does the .bst file link with natbib to enforce the "longnamesfirst" option?

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• Convert Hexadecimal String to Data

  - by AriX

  Hi Stack Overflow, I have found a whole lot of different solutions to this problem, but not all of them work, and a lot of them seem somewhat hacky and inefficient. Basically I have a string of hexadecimal data (i.e. "55 AA 41 2A 00 94 55 AA BB BB 00 FF") which I would like to convert to raw data. What is the best way to do this? UPDATE: Vicky's solution worked great for me, but I changed it to work with hexadecimal strings that don't have spaces in between and changed the style a bit. int i = 0; char *hexString = "55AA412A009455AABBBB00FF" char *hexPtr = hexString; unsigned int *result = calloc(strlen(hexString)/2 + 1, sizeof *result); while (sscanf(hexPtr, "%02x", &result[i++])) { hexPtr += 2; if (hexPtr >= hexString + strlen(hexString)) break; } return result;

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• XSLT workflow with variable number of source files

  - by chiborg

  I have a bunch of XML files with a fixed, country-based naming schema: report_en.xml, report_de.xml, report_fr.xml, etc. Now I want to write an XSLT style sheet that reads each of these files via the document() XPath function, extracts some values and generates one XML files with a summary. My question is: How can I iterate over the source files without knowing the exact names of the files I will process? At the moment I'm planning to generate an auxiliary XML file that holds all the file names and use the auxiliary XML file in my stylesheet to iterate. The the file list will be generated with a small PHP or bash script. Are there better alternatives? I am aware of XProc, but investing much time into it is not an option for me at the moment. Maybe someone can post an XProc solution. Preferably the solution includes workflow steps where the reports are downloaded as HTML and tidied up :) I will be using Saxon as my XSLT processor, so if there are Saxon-specific extensions I can use, these would also be OK.

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• F#: how to find Cartesian power

  - by Nike

  I have a problem with writing a Cartesian power function. I found many examples about calculating Cartesian Product, but no one about Cartesian power. For example, [1;2] raised to power 3 = [ [1;1;1] ; [1;1;2] ; [1;2;1] ; [1;2;2] ; [2;1;1] ; [2;1;2] ; [2;2;1]; [2;2;2] ] I use following code to calculate Cartesian Product: let Cprod U V = let mutable res = [] for u in U do for v in V do res <- res @ [[u;v]] res And trying to calculate Cartesian power. I use following code to calculate Cartesian Product: let Cpower U n = let mutable V = U for i=0 to n-1 do V <- Dprod U V V Visual Studio said: Error The resulting type would be infinite when unifying ''a' and ''a list'. I will thankful for any help and links.

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• Youtube video embed in WebView and MoviePlayer control

  - by Tronic

  hi, i embed a youtube video into a webview. the problem is: when i pop the current view (which includes the webview) from navigation controller, the the movie itself stops, but the audio is continues running. when i push the view controller on the navigation controller again, i can play the movie newly, but the old audio is still there. my webview code ids_ = [NSArray arrayWithObjects:@"2b84g38Z_60",@"3URx0tM-rMc",@"HZpi-2HVhq0",@"Hhns0DRPI44",@"hRuoxRQ4Q3k",@"lkMXwNBGRA8",@"tXGc6wWIFJo",@"uzGdEn8aW-Q",@"ZAoEBdt8C5M",@"vn8EJqt2BvQ",@"7Z_qRbjG6Ck",@"JspRcxGUijs"@"lM2lcVOh5YU",@"2b84g38Z_60",nil]; int numIds_ = [ids_ count]; NSLog(@"%d", arc4random()%numIds_); NSString *youTubeVideoHTML = [[NSString alloc] initWithFormat:@"<html><head></head><body style=\"margin:0;background-color:#000;\"><iframe class=\"youtube-player\" type=\"text/html\" width=\"640\" height=\"365\" src=\"http://www.youtube.com/embed/%@\" frameborder=\"0\"></iframe></body></html>", [ids_ objectAtIndex:arc4random()%numIds_]]; NSLog(youTubeVideoHTML); [youtubeView loadHTMLString:youTubeVideoHTML baseURL:nil]; thanks in advance

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• Incorporate Wordpress into Kohana 3

  - by alex

  I now need to make a Kohana 3 site have a Wordpress blog. I've seen Kerkness' Kohana For Wordpress, but it seems to be the opposite of what I want. Here are the options I have thought of Style a template to look exactly like the Kohana site (time consuming, non DRY and may not work) Include the blog within an iframe (ugly as all hell) cURL the Wordpress pages in. This of course means I will need to create layers between comment posting, etc, which sounds like too much work. Is there any way I can include a Wordpress blog within an existing Kohana application? Do you have any suggestions? Thanks Update Forgot to mention I have already programmed a model in Kohana to open pages based on their slug. Now I want to put blog content in there, and have the comments and other bits work. I also have installed WP e-Commerce and am wondering if there is any chance I can get that to work.

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• Problem with datagridvieew in vb.net

  - by user225269

  I'm trying to add a datagridview in vb.net, but it does not allow me to change the connection string or the database that should be imported to connect to it. The only thing that I'm seeing is the previous ms sql database that I connected with datagridview and everytime I click the new connection, the window closes and it leaves me with the datagridview with the previous connection that I have. And its not applicable because, now I want to connect it with mysql. Not ms sql. Its some sort of a cache like feature in vb.net, how do I get rid of it. so that I can add the new connection for mysql? Do I need to reinstall visual studio 2008?

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• Why display SELECT value is not changing?

  - by I'll-Be-Back

  When the page load, I expected <option value="B">B</option> value to change to red. It didn't work. Why? jQuery $(document).ready(function () { $('[name=HeaderFields] option[value="B"]').val('red'); } Dropdown: <select name="HeaderFields" style="width:60px"> <option value="A">A</option> <option value="B">B</option> <option value="C">C</option> </select>

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• weird stuff with asp.net button CSS class

  - by Alexander

  I have the following button: <Club:RolloverButton runat="server" ValidationGroup="Login1" Text="Login" ID="LoginButton" CommandName="Login" CssClass="links" /> .links { display: block; width: 96px; padding: 2px 0px 2px 0px; background: #A53602; text-align: center; text-transform: uppercase; font-size: 10px; color: #FFFFFF; } When this button shows up the first time it shows the style correctly, however if I hover my mouse over this button the layout turns into a standard button, why is that??

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• Attaching HTML file as email in VB 6.0

  - by Shax

  Hi, I am trying to attach an html file file to email using Visual Basic 6.0. when the cursor is comes on Open strFile For Binary Access Read As #hFile line it gives error "Error encoding file - Bad file name or number". Please all your help and support would be highly appreciated. Dim handleFile As Integer Dim strValue As String Dim lEventCtr As Long handleFile = FreeFile Open strFile For Binary Access Read As #handleFile Do While Not EOF(hFile) ' read & Base 64 encode a line of characters strValue = Input(57, #handleFile) SendCommand EncodeBase64String(strValue) & vbCrLf ' DoEvents (occasionally) lEventCtr = lEventCtr + 1 If lEventCtr Mod 50 = 0 Then DoEvents Loop Close #handleFile Exit Sub File_Error: Close #handleFile m_ErrorDesc = "Error encoding file - " & Err.Description Err.Raise Err.Number, Err.Source, m_ErrorDesc End Sub

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• locked stored procedures in sql

  - by Greg

  Hi, I am not too familiar with sql server 2005. I have a schema in sql which has stored procedures with small lock on them. As I understand they were created using C#, all these locked procedures have a source file in C# with the code of the procedures. The thing is I can't access them. I need to modify one of these procedures but it doesn't let me modify them. I have the source code (from visual studio) with these procedures but when I change something in the code, it doesn't affect the procedures in the sql. How can I change the path to assembly in sql server 2005 or is there any other way I can access these stored procedures? Thanks in advance, Greg

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• Using Thrift to connect to Cassandra from .NET

  - by vtortola

  Hi, I'm interested in Cassandra and I'd like to test it at home in my Windows XP computer. I've found instructions for install an run Cassandra in Windows, and it's already up and running; I've also found the thrift executable for Windows and generate the C# interfaces, but... when I try to compile that generated code in Visual Studio I got : "The type or namespace name 'Thrift' could not be found (are you missing a using directive or an assembly reference?)", so I'm missing something else, but I cannot find what... What is it? Is it a dll? I've looked in the thrift code and I cannot find anything related to .net , so what am I missing? Thanks in advance. Regards.

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• rails validate_format_of non-negative integers

  - by ash34

  Hi, I am trying to validate the format of non-negative integers with the following validates_format_of :fundays, :with => /\A[\d]+\Z/, :message => "invalid fundays" And here is the form field used in the view <%= f.text_field :fundays, :maxlength => 3, :style => 'width:50px;' %> However, when I input a non-digit into this field and submit the form, it does not fail the validation. Instead it saves a value of 0 in the database. How do I make it write to the list of error messages. thanks

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• Delphi: How to diagnose sluggish UI?

  - by Ian Boyd

  i have a form, which you can pretend is laid out like Windows Explorer: panel on the left splitter client panel +------------+#+-----------------------+ | |#| | | |#| | | |#| | | |#| | | Left |#| Client | | |#| | | |#| | | |#| | | |#| | | |#| | +------------+#+-----------------------+ ^ | +----splitter The the left and client area panels are each rich with controls. The problem is that using the splitter is very sluggish. i would expect that a modern 2 GHz computer can re-display the form as fast as a human can push the mouse around. But that's definitely not the case, and it takes about 200-300 ms before the form is fully re-adjusted. The form has about 100 visual controls on it, no code, or custom controls. How do i go about tracing who's the cause of the sluggishness?

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