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• How do I prevent jagged edges alongside the surfaces of my 3d model?

  - by badcodenotreat

  Lets say I've implemented in openGL a crude model viewer with shading which renders a series of blocks, such that I have something that looks like this. http://i.imgur.com/TsF7K.jpg Whenever I rotate my model to the side, it causes an unwanted jagged effect along any surface with a steep viewing angle. http://i.imgur.com/Bgl9o.jpg I'm pretty sure this is due to the polygon offset I used to prevent z-fighting between the model and the wireframe, however I'm not able to find the factor/unit parameters in openGL which prevent this unwanted effect. what are the best values of factor and unit for glPolygonOffset to prevent this? would implementing anti-aliasing alleviate the problem? is the trade off in performance trivial/significant? is this perhaps a shading issue? should i try a solution along this line of thought?

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• Jasper exported to Excel ignoring background color?

  - by discgolfer

  Have you ever had alternating background colors in a Jasper report and then exported it to Excel? The Excel export seems to ignore the alternating color. I've got a Jasper report where the rows alternating background color using the procedure referenced HERE. When I preview it using the viewer or export to PDF it works -- but not when I export to Excel. I've tried using JRXlsExporter and JExcelApiExporter both to no avail. I think it might be a side-effect of how you have to make alternating row colors in Jasper, which I despise to begin with, but have found no other way. Thanks in advance!

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• Windows Server 2003 Hacked - Files Being Uploaded

  - by jreedinc

  Blank directories are being created on my Windows Server 2003 virtual server with sub directories that are weird (for example: "88ÿ ÿ ÿÿþþ þþ13þ"). It looks like they are uploading bootlegged DVDs and pirated software. All of my bandwidth and file space is being eaten up. Could this be a shared permissions issue? Where should I look to further investigate this? My security permissions for the directory that is being hit are as followed: Administrators - ALL GRANTED IIS_WPG - Read & Execute, List Folder Contents, Read Internet Guest - DENY SYSTEM - ALL GRANTED Users - Read & Execute, List Folder Contents, Read My Event Viewer is showing many Logon/Logoff with NO IP?

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• Unable to retrieve the complete description string of the event log record

  - by Santosh Pillai

  Hi All, I have an MFC application that reads and displays event log records using the ::ReadEventLog() API. The problem is with reading the "Description" message string of the event log record. The MFC application is unable to read the complete "Description" message string and displays only some part of it. However the Windows System Event Log Viewer reads and displays the complete "Description" message string correctly. I have ensured that my MFC application reads the entire "Description" message string by retrieving all the strings as provided by the "NumStrings" and "StringOffset" member variables of the EVENTLOGRECORD structure and merging all of them. Also as mentioned in MSDN my application loads the Source Name specific message library file (whose path is specified in the registry at HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\EventLog\Application[SourceName]) that further contains additional message string information and merges it with the earlier read strings. I am still unable to get the entire "Description" message string. Please provide any help towards resolving the issue. Regards, Santosh.

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• FTP in NetBeans 6.1

  - by Ross

  Is there an FTP browser hiding away in NetBeans 6.1? The help manual doesn't even suggest FTP exists. All I've been able to find so far is a tree viewer in the Services panel (no edit controls) and the ability to upload projects, folders and specific files from the Projects/Files views. Is there anywhere to delete or rename or will I have to keep switching back to my browser? I can see from the previews that there's a nice FTP controller in 6.5 but I'm not desperate enough to completely convert to a beta (yet).

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• Get last n lines of a file with Python, similar to tail

  - by Armin Ronacher

  I'm writing a log file viewer for a web application and for that I want to paginate through the lines of the log file. The items in the file are line based with the newest item on the bottom. So I need a tail() method that can read n lines from the bottom and supports an offset. What I came up with looks like this: def tail(f, n, offset=0): """Reads a n lines from f with an offset of offset lines.""" avg_line_length = 74 to_read = n + offset while 1: try: f.seek(-(avg_line_length * to_read), 2) except IOError: # woops. apparently file is smaller than what we want # to step back, go to the beginning instead f.seek(0) pos = f.tell() lines = f.read().splitlines() if len(lines) >= to_read or pos == 0: return lines[-to_read:offset and -offset or None] avg_line_length *= 1.3 Is this a reasonable approach? What is the recommended way to tail log files with offsets?

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• php upload image with ftp problem

  - by ntan

  Hi, I am using the code below to upload an image through ftp $sFile=$ftp_dir."/".$image_name; $image=$database_row["image"];//image is store in database $fh = tmpfile(); $fwrite($fh, $image); $uploadFile = ftp_fput($conn_id, $sFile, $fh, FTP_ASCII); fclose($fh); The ftp is creating the file and has a size BUT the file i get is not an image.When try to open on image viewer i get error. Before switch to ftp i had this code $image=$database_row["image"];//image is store in database $file = fopen( "images/".$image_name, "w" ); fwrite( $file, $image); fclose( $file ); and was working fine, but now i have to use ftp. What am i missing.

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• Print ms access data in vb.net

  - by user225269

  How do I print the ms access data(.mdb) in vb.net? Here is the code that I'm using to view the data in the form. What I want to do is to be able to print what is currently being viewed. Perhaps automatically save the .pdf file and the pdf viewer installed on the system will open that newly generated pdf file Dim cn As New OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\search.mdb") Dim cmd As OleDbCommand = New OleDbCommand("Select * from GH where NAME= '" & TextBox6.Text & "' ", cn) cn.Open() Dim rdr As OleDbDataReader rdr = cmd.ExecuteReader If rdr.HasRows Then rdr.Read() NoAcc = rdr("NAME") If (TextBox6.Text = NoAcc) Then TextBox1.Text = rdr("IDNUMBER") If (TextBox6.Text = NoAcc) Then TextBox7.Text = rdr("DEPARTMENT") If (TextBox6.Text = NoAcc) Then TextBox8.Text = rdr("COURSE") End If -some sites for beginners regarding this topic would help a lot:)

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• Managing of shared resources between classes?

  - by Axarydax

  Imagine that I have a several Viewer component that are used for displaying text and they have few modes that user can switch (different font presets for viewing text/binary/hex). What would be the best approach for managing shared objects - for example fonts, find dialog, etc? I figured that static class with lazily initialized objects would be OK, but this might be the wrong idea. static class ViewerStatic { private static Font monospaceFont; public static Font MonospaceFont { get { if (monospaceFont == null) //TODO read font settings from configuration monospaceFont = new Font(FontFamily.GenericMonospace, 9, FontStyle.Bold); return monospaceFont; } } private static Font sansFont; public static Font SansFont { get { if (sansFont == null) //TODO read font settings from configuration sansFont = new Font(FontFamily.GenericSansSerif, 9, FontStyle.Bold); return sansFont; } } }

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• Error when running MSpec - how do I troubleshoot?

  - by Tomas Lycken

  I am following this guide to installing and using MSpec, but at the step where he runs MSpec for the first time, I get the following error: Could not load file or assembly 'file:///[...]\Nehemiah\Nehemiah.Specs\bin\Debug\Nehemiah.Specs.dll' or one of its dependencies. This assembly is built by a runtime newer than the currently loaded runtime and cannot be loaded. I have - to my knowledge - done everything more or less exactly like he did up to this step, except where differences arise because he's using VS2008 and I'm using VS2010, and everything has worked so far. The project Nehemijah.Specs (and the entire solution) builds without problem, both in Visual Studio and on my build server, and I can't find anything useful in Event Viewer (although I might not be looking in the right place here...) What to do?

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• Linq Grouping by 2 keys as a one

  - by Evgeny

  Hello! I write a simple OLAP viewer for my web-site. Here are the classes (abstract example): Employee { ID; Name; Roles[]; //What Employee can do } Order { Price; Employee Manager; Employee Executive; //Maybe wrong english. The person which perform order } Employee can be Manager and Executive in the order at the same time. This means that Employee role is not fixed. I have to group orders by employees and finally get IGrouping with Employee key. So .GroupBy(el=new {el.Manager,el.Executive}) is not allowed. I considered some tricks with IEqualityComparable, but found no solution. If somrbody will help I'll be vary glad, thank you.

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• Having difficulty add a custom icon to a JFrame

  - by Oliver

  Hi, I have been trying to change the icon in the frame. I have virtually tried everything: The icon is 16x16 which is the right size ....doesn't work I've trying PNG,GIF and JPG formats none of them work. Tried different way of setting the icon....doesn't work. I've tried relative (local paths) e.g. "icon.gif" and absolute paths e.g. "c:\work\java\icon.gif" ...doesn't work Here is my code and see if you can figure it out Thanks Oli import javax.swing.*; public class androidDriver { public static void main(String[] args) throws IOException { JFrame f = new JFrame("Android Data Viewer"); f.setResizable(false); f.setSize(300,300); f.setLocationRelativeTo(null); f.setVisible(true); f.setIconImage(new ImageIcon("androidIcon2.gif").getImage()); } }

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• Rendering PDFs from a database inside MVC views?

  - by Mohammad Sepahvand

  I was wondering if it's possible to do this without using 3rd party compnents in MVC 3. (I am open to free components though.) There are a couple of links out there but they seem to be mostly concerned with reporting and other code samples that do claim to do this sort of thing don't seem to compile. I'm not having any trouble saving and retrieving the PDFs to and from my database, but when I return the PDF as a File or a FileStreamResult the user is prompted with a download. A more desirable approach would be to actually render the PDFs inside the browser. I've had a look at iTextSHarp, it does the job to an extent, but it's not a complete solution. For example it will display the PDF inside the view if and only if the client has Adobe Reader installed, otherwise it prompts for a download. So technically, I'm mostly looking for a PDF viewer. Any ideas?

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• ASP.NET MVC project won't start under IIS 5.1 on Windows XP SP3

  - by mrjoltcola

  I've a ASP.NET MVC 2 project that runs fine under Windows 7 and will start on Windows XP if I use the Visual Studio Development Server, however, starting under IIS generates an error: Unable to start debugging on the web server With the message The specified procedure could not be found No errors in the system event viewer. If I start without debugging I get an "HTTP 500 Internal Server Error" The reason I run it under IIS is the project also includes some WCF wsHttp web services that use certificates, so the VS Development Server is not adequate for hosting those. I have already seen the links on SO that talk about adding the wildcard mapping. I've already done that, just as I've done on Windows Server 2003 where I successfully host ASP.NET MVC RC2 for quite a while.

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• How to share WinForms and code between 2 projects

  - by Richard Bysouth

  Hi I have a working Windows Forms app (split into an EXE and a few DLLs). Now I've been asked to look at creating another app (MyAppLite) that has only a very small subset of the functionality. Think of it as similar to MS Word Viewer vs. MS Word. Everything that I need to build MyAppLite is contained in the main solution - essentially I need to use a couple of the WinForms and whatever bits in the DLLs they call into. What would be the best way to do this? I was thinking of creating another Project in my solution for MyAppLite, then adding the necessary source files as links (using Add Existing Item Add As Link in Solution Explorer). I definitely wouldn't want to maintain 2 copies of the source code. FYI it's a .NET 2.0 VB app, using VS2008. thanks Richard

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• Error: The Side-by-Side configuration information in "BLAH.EXE" contains errors.

  - by Jim Buck

  This is the error Dependency Walker gives me on an executable that I am building with VC++ 2005 Express Edition. When trying to run the .exe, I get: This application has failed to start because the application configuration is incorrect. Reinstalling the application may fix this problem. (I am new to the manifest/SxS/etc. way of doing things post VC++ 2003.) EDIT: I am running on the same machine I am building the .exe with. In Event Viewer, I have the unhelpful: Faulting application blah.exe, version 0.0.0.0, faulting module blah.exe, version 0.0.0.0, fault address 0x004239b0.

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• Adding Images to an ASP .Net Chart Control

  - by wali

  Hello all! I'm not sure if I titled the question correctly so it would be better if I explained what I'm trying to do. I am using the ASP .Net Chart Control to create a line chart showing numbers of trouble calls based on date. What I would like to do is implement a way of annotating the chart with data whereas if there was a spike in trouble calls a line, or asterisk, etc would direct the viewer to "read notes below for an explanation for why the numbers spiked here". From the samples for the chart control there is a way you can add a bitmap to the chart, however I don't see how that will be effective here because the explanations will come dynamically from a database. If anyone's done something like this or has some guidance I'd appreciate it. Thanks!

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• Can SVG render partially if gzipped and chunk-transferred?

  - by Scott Stafford

  Hi - I have some large, dynamically generated SVGs that are being served over a relatively slow internet connection. I'm trying to optimize them to be viewable as fast as possible. If I set the server to Content-Encoding: gzip and Transfer-Encoding: chunked, will any SVG viewers take advantage of that and render it partially, as it is transferred? If not, are there other ways to get it to render as-it-streams? I could break it up into several SVG pieces but that will be a lot of work, I was hoping for server settings... The most common users use IE7 with the Adobe SVG Viewer plugin. I doubt it matters but I'm serving with C#/ASP.NET and IIS6.

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• Subversion and project management web based super tool. Like Team Foundation Server but not TFS.

  - by Rob Stevenson-Leggett

  Hi, We're currently looking at an IT upgrade and I'm after recommendations for a tool which can do some or all of the following. SVN management (authz, web viewer, commit log, diff) Create template projects (1 click e.g. create me a microsite with this name in svn and give these people access) Reporting on code churn, time spent on tasks on a per project basis User story management Basically like Team Foundation Server but that integrates with SVN properly (reason for this - we have a wide range of skill sets and not everyone can use a TFS client). Is there a combination of Trac plugins + something that can create trac instances (a la Dreamhost's admin panel) that can acheive this. On a side note, does anyone have any experience of version controlling designery type files - e.g. PSDs, Illustrator files. Any advice at all appreciated. Cheers, Rob

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• System.Web.AspNetHostingPermission Exception on New Deployment

  - by Jason N. Gaylord

  I have a friend that is moving a web application from one server over to another. The new server has the same settings as the first server, however, he's running into a Security issue. Here's the error details: Request for the permission of type 'System.Web.AspNetHostingPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed. The Event Viewer does not point to anything specific in the web.config file or anything. The web applicaiton is on the C: drive. This is a Windows Server 2008 R2 x64 server with a brand new IIS 7 installation. IIS is set in classic mode for this app pool.

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• Page zoom slows down page rendering

  - by Alex

  I'm building a map viewer much like Google maps and i've run into an interesting performance problem when a page is zoomed (i.e ctrl + OR ctrl -). It seems to affect all major browsers but Firefox has the worst problems as far as I can tell. The problem is that when the page is zoomed panning by dragging the mouse seems really sluggish. This can even be seen on Google maps. Pan the map left and right and note how smooth it is. Now press ctrl+ (3 or 4 times). Now pan the map left and right in the same way. Notice the difference? Does anyone know how I can minimize this problem?

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• Monotouch Example for QuickLook PDF

  - by nbonwit

  I am looking for a bare-bones pdf viewer example using the QuickLook Monotouch API. I have searched and have found bits and pieces but just can't seem to get it all integrated. I will be reading the pdf from a file pre-saved to the Personal folder on the iPad and would like to show the pdf as a modal view. If someone could post a bare-bones example, that would be much appreciated. What I have so far is below. Thanks! path = Environment.GetFolderPath(Environment.SpecialFolder.Personal); pdfPath = System.IO.Path.Combine(path, "pdfReport.pdf"); QLPreviewController myPdfController = new QLPreviewController(); MyPdf pdfToShow = new MyPdf("", new Uri("")); // Not sure about this line myPdfController.DataSource = pdfPath; // Not sure what this line should be PresentModalViewController(myPdfController, true);

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• Designing a WPF map control.

  - by Dylan

  I'm thinking about making a simple map control in WPF, and am thinking about the design of the basic map interface and am wondering if anyone has some good advice for this. What I'm thinking of is using a ScrollViewer (sans scroll bars) as my "view port" and then stacking everything up on top of a canvas. From Z-Index=0 up, I'm thinking: Base canvas for lat/long calculations, control positioning, Z-Index stacking. Multiple Grid elements to represent the maps at different zoom levels. Using a grid to make tiling easier. Map objects with positional data. Map controls (zoom slider, overview, etc). Scroll viewer with mouse move events for panning and zooming. Any comments suggestions on how I should be building this?

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• LINQ method chaining and granular error handling

  - by Clafou

  I have a method which can be written pretty neatly through method chaining: return viewer.ServerReport.GetParameters() .Single(p => p.Name == Convention.Ssrs.RegionParamName) .ValidValues .Select(v => v.Value); However I'd like to be able to do some checks at each point as I wish to provide helpful diagnostics information if any of the chained methods returns unexpected results. To achieve this, I need to break up all my chaining and follow each call with an if block. It makes the code a lot less readable. Ideally I'd like to be able to weave in some chained method calls which would allow me to handle unexpected outcomes at each point (e.g. throw a meaningful exception such as new ConventionException("The report contains no parameter") if the first method returns an empty collection). Can anyone suggest a simple way to achieve such a thing?

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• Is there any graphics library in a higher level than OpenGL

  - by Turtle

  Hello, I am looking for a graphics library for 3D reconstruction research to develop my specific viewer based on some library. OpenGL seems in a low level and I have to remake the wheel everywhere. And I also tried VTK(visualization toolkit). However, it seems too abstract that I need to master many conceptions before I start. Is there any other graphics library? I prefer to program in python. So I would like the library has a python wrapper. I think something like O3D would be better. But O3D is for javascript and it seems that Google already stops the development.

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