jeremy powell - Page 5 - Developer IT

Is there a version of Rotor for .NET 3.5? If so, where?

- by Damian Powell

Is there a version of Rotor for .NET 3.5? If so, where?

SQL Query Update is not working

Hey guys, I am using pawn script for something, and everything works great except for one of my queries. For some reason, it will not work, and I am hoping it is simple enough someone can spot my mistake as I have been banging my head on it for days. http://ampaste.net/m6a887d30 The two highlighted lines are the queries that are not working. The other one works fine, but the values for 'class1kills' and 'class2kills' remain at 0. Here is a screenshot from phpmyadmin incase I did something silly. http://brutalservers.net/sql.png

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Checking if Date is within Range

- by Brett Powell

So I am using a scripting language with c++ syntax, and trying to think of the best way to check if a date is within range. The problem I am running into is that if the current day is in a new month, the check is failing. Here is what my code looks like... if(iMonth >= iStartMonth && iMonth <= iEndMonth) { if(iDay >= iStartDay && iDay <= iEndDay) { if(iYear >= iStartYear && iYear <= iEndYear) { bEnabled = true; return; When I have something like this... (Pulled in from cfg file specified by client) Start date: 3 27 2010 End Date: 4 15 2010 Current Date: 3 31 2010 The day check fails because if(iDay <= iEndDay) does not pass. The scripting language doesn't have a lot of time related functions, and I cant compare timestamps because im allowing users to put like "03:27:2010" and "04:15:2010" as start/end dates in a config file. Im assuming I am just not thinking straight and missing an easy fix.

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How can I prevent external MSBuild files from being cached (by Visual Studio) during a project build

- by Damian Powell

I have a project in my solution which started life as a C# library project. It's got nothing of any interest in it in terms of code, it is merely used as a dependency in the other projects in my solution in order to ensure that it is built first. One of the side-effects of building this project is that a shared AssemblyInfo.cs is created which contains the version number in use by the other projects. I have done this by adding the following to the .csproj file: <ItemGroup> <None Include="Properties\AssemblyInfo.Shared.cs.in" /> <Compile Include="Properties\AssemblyInfo.Shared.cs" /> <None Include="VersionInfo.targets" /> </ItemGroup> <Import Project="$(ProjectDir)VersionInfo.targets" /> <Target Name="BeforeBuild" DependsOnTargets="UpdateSharedAssemblyInfo" /> The referenced file, VersionInfo.targets, contains the following: <Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> <PropertyGroup>  </PropertyGroup> <Target Name="UpdateSharedAssemblyInfo">  </Target> </Project> The contents of the VersionInfo.targets file could simply be embedded within the .csproj file but it is external because I am trying to turn all of this into a project template. I want the users of the template to be able to add the new project to the solution, edit the VersionInfo.targets file, and run the build. The problem is that modifying and saving the VersionInfo.targets file and rebuilding the solution has no effect - the project file uses the values from the .targets file as they were when the project was opened. Even unloading and reloading the project has no effect. In order to get the new values, I need to close Visual Studio and reopen it (or reload the solution). How can I set this up so that the configuration is external to the .csproj file and not cached between builds?

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Is there a free code coverage tool suitable for use with .NET 4 and NUnit?

- by Damian Powell

Is there a free code coverage tool suitable for use with .NET 4 and NUnit that runs from the command line (and is thus suitable for use on a build server)? Please note that any tools that require editions of Visual Studio higher than Professional are not appropriate in this case. I am asking this question because I can't get NCover 1.5.8 to work with NUnit 2.5.5 on a .NET 4 C# app. I can run the unit tests, and I can generate a Coverage.Xml file, but it is empty - it contains no sequence points. After a lot of research, I have concluded that this is because NCover 1.5.8 simply doesn't work with .NET 4. However, if you know better, please feel free to answer this question from another user.

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Checking if parsed date is within a date range

- by Brett Powell

So I am using a scripting language with c++-like syntax, and I am trying to think of the best way to check if a date is within range. The problem I am running into is that if the current day is in a new month, the check is failing. Here is what my code looks like: if(iMonth >= iStartMonth && iMonth <= iEndMonth) { if(iDay >= iStartDay && iDay <= iEndDay) { if(iYear >= iStartYear && iYear <= iEndYear) { bEnabled = true; return; When I have something like this: Start date: 3 27 2010 End Date: 4 15 2010 Current Date: 3 31 2010 The day check fails because if (iDay <= iEndDay) does not pass. The scripting language doesn't have a lot of time related functions, and I can't compare timestamps because I'm allowing users to put like "03:27:2010" and "04:15:2010" as start/end dates in a config file. I'm assuming I am just not thinking straight and missing an easy fix.

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How Can I Find What's Causing My Transaction to Get Promoted?

- by Damian Powell

I have web site which serves web services (a mixture of .asmx and WCF) which is mostly using LINQ to SQL and System.Transactions. Occaisionally we see the transaction get promoted to a distributed transaction which causes problems because our web servers are isolated from our databases in such a way that it is not possible for us to use MSDTC. I have configured tracing for System.Transactions by adding the following to my web.config: <system.diagnostics> <sources> <source name="System.Transactions" switchValue="Information"> <listeners> <add name="tx" type="System.Diagnostics.XmlWriterTraceListener" initializeData="tx.log" /> </listeners> </source> </sources> </system.diagnostics> It's very interesting and shows me when the transaction is promoted, but I find that it doesn't really help be discover why. Is there an equivalent tracing mechanism for ADO.NET that will show me when connections are created, including the variables that affect pooling (user, cnn string, transaction scope)?

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C# .NET Controls for docked tool windows?

- by Brett Powell

I was using Qt with C++ to develop my GUI applications, but I have recently switched to try out C# .NET as it is much easier to do what I need to. I was wondering what controls I need to be using for a few things and if they exist for C# .NET or if I need to do something custom/special. If you look in that screenshot, I want to do something similar to how they have each tool window grouped into its own docking area with the option of closing it or breaking it out of the layout so it can be dragged. I am talking about the tool windows titled "Groups", "Resources", "Tools", etc. I also want to make these tool windows stay in the same place when the main window is resized. Qt has spring like widgets that will let you create a UI that keeps its shape when the window is resized. Does anything like this exist in C# .NET?

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C# to unmanaged dll data structures interop

- by Shane Powell

I have a unmanaged DLL that exposes a function that takes a pointer to a data structure. I have C# code that creates the data structure and calls the dll function without any problem. At the point of the function call to the dll the pointer is correct. My problem is that the DLL keeps the pointer to the structure and uses the data structure pointer at a later point in time. When the DLL comes to use the pointer it has become invalid (I assume the .net runtime has moved the memory somewhere else). What are the possible solutions to this problem? The possible solutions I can think of are: Fix the memory location of the data structure somehow? I don't know how you would do this in C# or even if you can. Allocate memory manually so that I have control over it e.g. using Marshal.AllocHGlobal Change the DLL function contract to copy the structure data (this is what I'm currently doing as a short term change, but I don't want to change the dll at all if I can help it as it's not my code to begin with). Are there any other better solutions?

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Help Using NetuserAdd() and NetLocalGroupAddMembers() in C++

- by Brett Powell

So I think I almost got it. I create my dummy account with one function, and wrote a second function to add it to the Remote Desktop group. Problem is, the Administrator account is the one logged in, so I am not sure how to specify what account to add to the group. Here is my code... The user is being created properly... void AddRDPUser() { USER_INFO_1 ui; DWORD dwLevel = 1; DWORD dwError = 0; NET_API_STATUS nStatus; ui.usri1_name = L"BrettXFactor"; ui.usri1_password = L"XfactorsServer96"; ui.usri1_priv = USER_PRIV_USER; ui.usri1_home_dir = NULL; ui.usri1_comment = NULL; ui.usri1_flags = UF_SCRIPT; ui.usri1_script_path = NULL; nStatus = NetUserAdd(NULL, dwLevel, (LPBYTE)&ui, &dwError); } But I dont know how to specify to add them to this group since they are not logged in. Any help would be appreciated void AddToGroup() { LOCALGROUP_MEMBERS_INFO_3 lgmi3; DWORD dwLevel = 3; DWORD totalEntries = 1; NET_API_STATUS nStatus; LPCWSTR TargetGroup = L"Remote Desktop Users"; LPSTR sBuffer = NULL; memset(sBuffer, 0, 255); DWORD nBuffSize = sizeof(sBuffer); if(GetUserNameEx(NameDnsDomain, sBuffer, &nBuffSize)==0) { Msg("Failed to add User to Group\n"); return; } LPWSTR user_name = (LPWSTR)sBuffer; lgmi3.lgrmi3_domainandname = user_name; nStatus = NetLocalGroupAddMembers(NULL, TargetGroup, 3, (LPBYTE)&lgmi3, totalEntries); }

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Feedback on Optimizing C# NET Code Block

- by Brett Powell

I just spent quite a few hours reading up on TCP servers and my desired protocol I was trying to implement, and finally got everything working great. I noticed the code looks like absolute bollocks (is the the correct usage? Im not a brit) and would like some feedback on optimizing it, mostly for reuse and readability. The packet formats are always int, int, int, string, string. try { BinaryReader reader = new BinaryReader(clientStream); int packetsize = reader.ReadInt32(); int requestid = reader.ReadInt32(); int serverdata = reader.ReadInt32(); Console.WriteLine("Packet Size: {0} RequestID: {1} ServerData: {2}", packetsize, requestid, serverdata); List<byte> str = new List<byte>(); byte nextByte = reader.ReadByte(); while (nextByte != 0) { str.Add(nextByte); nextByte = reader.ReadByte(); } // Password Sent to be Authenticated string string1 = Encoding.UTF8.GetString(str.ToArray()); str.Clear(); nextByte = reader.ReadByte(); while (nextByte != 0) { str.Add(nextByte); nextByte = reader.ReadByte(); } // NULL string string string2 = Encoding.UTF8.GetString(str.ToArray()); Console.WriteLine("String1: {0} String2: {1}", string1, string2); // Reply to Authentication Request MemoryStream stream = new MemoryStream(); BinaryWriter writer = new BinaryWriter(stream); writer.Write((int)(1)); // Packet Size writer.Write((int)(requestid)); // Mirror RequestID if Authenticated, -1 if Failed byte[] buffer = stream.ToArray(); clientStream.Write(buffer, 0, buffer.Length); clientStream.Flush(); } I am going to be dealing with other packet types as well that are formatted the same (int/int/int/str/str), but different values. I could probably create a packet class, but this is a bit outside my scope of knowledge for how to apply it to this scenario. If it makes any difference, this is the Protocol I am implementing. http://developer.valvesoftware.com/wiki/Source_RCON_Protocol

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C++ NetUserAdd() not working?

- by Brett Powell

I posted earlier about how to do this, and got some great replies, and have managed to get the code written based off the MSDN example. However, it does not seem to be working properly. Its printing out the ERROR_ACCESS_DENIED message, but im not sure why as I am running it as a full admin. I was initially trying to create a USER_PRIV_ADMIN, but the MSDN said it can only use USER_PRIV_USER, but sadly neither work. Im hoping someone can spot a mistake or has an idea. Thanks! void AddRDPUser() { USER_INFO_1 ui; DWORD dwLevel = 1; DWORD dwError = 0; NET_API_STATUS nStatus; ui.usri1_name = L"DummyUserAccount"; ui.usri1_password = L"a2cDz3rQpG8"; //ignored by NetUserAdd //ui.usri1_password_age = -1; ui.usri1_priv = USER_PRIV_USER; //USER_PRIV_ADMIN; ui.usri1_home_dir = NULL; ui.usri1_comment = NULL; ui.usri1_flags = UF_SCRIPT; ui.usri1_script_path = NULL; nStatus = NetUserAdd(NULL, dwLevel, (LPBYTE)&ui, &dwError); switch (nStatus) { case NERR_Success: { Msg("SUCCESS!\n"); break; } case NERR_InvalidComputer: { fprintf(stderr, "A system error has occurred: NERR_InvalidComputer\n"); break; } case NERR_NotPrimary: { fprintf(stderr, "A system error has occurred: NERR_NotPrimary\n"); break; } case NERR_GroupExists: { fprintf(stderr, "A system error has occurred: NERR_GroupExists\n"); break; } case NERR_UserExists: { fprintf(stderr, "A system error has occurred: NERR_UserExists\n"); break; } case NERR_PasswordTooShort: { fprintf(stderr, "A system error has occurred: NERR_PasswordTooShort\n"); break; } case ERROR_ACCESS_DENIED: { fprintf(stderr, "A system error has occurred: ERROR_ACCESS_DENIED\n"); break; } } }

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Finding latest release links on website for C++ Application

- by Brett Powell

Basically I have written a game plugin that will allow server admins to update their administration tools from within game rather than having to go download it and install it. The releases are updated regularly, and the beta versions are nightly builds. I am trying to find a way to grab the links from the website, but I cannot think of anyway to do this off of the top of my head. Was hoping someone here might be able to suggest something that would work. http://www.sourcemod.net/snapshots.php Thats the website, basically I am trying to grab the links for the latest stable branch, and latest development branch.

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Parasing HTML to find specific links (Without Keywords)

- by Brett Powell

I posted about this sort of earlier, but I am not sure how to post back to my original question as I can only comment or answer my own question. Anyways, I need to get 4 links from a website, the latest stable build links for windows and linux, and the latest development build links for windows and linux (4 links total) within my C++ application. I can download the page (http://www.sourcemod.net/snapshots.php) with LibCURL which is already implemented in the project, but after that I am not sure. I was looking at parsers, but I can't think of how I am going to discern link from link. Obviously using a parser I could get the first link from each table, but this does not seem efficient and would only provide me with the links to windows builds. It looks like the links I need will be in the fourth in both tables, but I am just very familiar with a good way to go about this, so any help would be appreciated.

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Blocking HTML and Javascript from being displayed on my site

- by Tim Powell

I am working on this new social networking site. One of it's various functions is posting. You can post to Facebook and my site, or Twitter and my site. That being said, I couldn't help but try and post HTML as I was testing sql injection. When I did, I noticed that there where ways to manipulate the site to, for instance, using a element to completely screw up the CSS design, or redirect a user to another site using javascript. That being said, I want to make my site a safe environment for my users... not a site that is used to distribute computer viruses, porn, and other things that might make someone tend to stay off of my site. When I searched this topic, I found ways to "strip" the HTML out of the $post variable before submitting it to the database. However, I would just like to make it so you can post any text, including HTML and Javascript, without the browser interpreting it as "run this..." code: I want to display it as plane text. I've seen it on Facebook, and when I looked at it the source code of a post, it showed <, /, and as regular text. I tried "dissecting" Facebook's source code, but found nothing. I have tried using tags such as <pre> and <code>, but because of the lack of ability to style and control them, I gave up and went back to just allowing HTML. Please, anyone who knows how to do this, please help me out. Thanks in advance, TP

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How can I open another tab in the browser from the Code Behind [duplicate]

- by Daniel Powell

This question already has an answer here: Response.Redirect to new window 18 answers I have an ASP.Net project that I am working on that involves opening another tab in the browser from the vb.net (code behind). I have tried to use the WebBrowser control to open the new tab as well as tried to use the Script manager however I have not been able to open the new tab. The button I am using is a custom button in a DevExpress GridView, and I am handling its click with this code: Private Sub ASPxGridView2_CustomButtonCallback(sender As Object, e As DevExpress.Web.ASPxGridView.ASPxGridViewCustomButtonCallbackEventArgs) Handles ASPxGridView2.CustomButtonCallback If e.ButtonID <> "customButton" Then Return End If Dim neededID = ASPxGridView2.GetRowValues(e.VisibleIndex, "target") Dim id = CStr(neededID) Dim url = ("targetPage.aspx" + "?ID=" + id) Dim wb As WebBrowser wb.Navigate(url,True) End Sub I'm not sure why this would not work, any suggestions as to how I should open a new browser tab with or without the WebBrowser works for this project. EDIT: I cannot use javascript with this ASPxGridview So I need an answer that doesn't involve modification to the javascript except through the vb.net code behind

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NetUserAdd() to Remote Desktop Group?

- by Brett Powell

Is there anyway to give a newly created user from NetUserAdd() remote desktop access and/or administrative rights? I know it is possible, at least for Remote Desktop, and I have been reading through the MSDN but nothing seems to hint at what is required to be set for it to work.

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Will the program installed in a folder function properly if I remove the write permission in linux? [on hold]

- by Kevin Powell

I have a user account on a cluster( a server), and can only install program like python on the home folder. In case I might accidentally delete the bin, lib, share,include folders coming with the installation of python on the home folder. I change the permissions of the above folder like this chmod -w folder but I am worried when the program need to write/delete some files of the folders, it might not function because the removal of write permission. Am I right? or I the run, including write files in the folder, of a program have permissions different than the permission of user. BTW, is there a way to hide the folders without changing the names?

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Silverlight Cream for June 12, 2010 -- #880

- by Dave Campbell

In this Issue: Michael Washington, Diego Poza, Viktor Larsson, Brian Noyes, Charles Petzold, Laurent Bugnion, Anjaiah Keesari, David Anson, and Jeremy Likness. From SilverlightCream.com: My MEF Rant Read Michael Washington's discussion about MEF from someone that's got some experience, but not enough to remember the pain points... how it works, and what he'd like to see. Prism 4: What’s new and what’s next Diego Poza Why Office Hub is important for WP7 Viktor Larsson has another WP7 post up and he's talking about the Office Hub ... good description and maybe the first I've seen on the Office Hub. WCF RIA Services Part 1: Getting Started Brian Noyes has part 1 of a 10-part tutorial series on WCF RIA Services up at SilverlightShow. This first is the intro, but it's a good one. CompositionTarget.Rendering and RenderEventArgs Charles Petzold talks about CompositionTarget.Rendering and using it for calculating time span ... and it works in WPF and WP7 too... cool example from his WPF book, and all the code. Two small issues with Windows Phone 7 ApplicationBar buttons (and workaround) Laurent Bugnion has a post up from earlier this week that I missed describing problems with the WP7 ApplicationBar ... oh, and a workaround for it :) Animation in Silverlight Anjaiah Keesari has a really extensive post up on Silverlight animation, and this is an all-XAML thing... so buckle up we're going old-school :) Two fixes for my Silverlight SplitButton/MenuButton implementation - and true WPF support David Anson revisits and revises his SplitButton code based on a couple problem reports he received. Source for the button and the test project is included. Tips and Tricks for INotifyPropertyChanged Jeremy Likness is discussing INotifyPropertyChanged and describes an extension method. He does bring up a problem associated with this, so check that out. He finishes the post off with a discussion of "Observable Enumerables" Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight Silverlight 3 Silverlight 4 Windows Phone MIX10

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ArchBeat Link-o-Rama for 2012-03-16

- by Bob Rhubart

Applications Architecture | Roy Hunter and Brian Rasmussen www.oracle.com Roy Hunter and Brian Rasmussen examine the strategies three organizations applied to modernize their application architectures. Part of the Oracle Experiences in Enterprise Architecture article series. Public Sector Architecture | Jeremy Foreman and Hamza Jahangir www.oracle.com Jeremy Foreman and Hamza Jahangir examine the strategies used by two different organizations in deploying their respective future-state architectures. Part of the Oracle Experiences in Enterprise Architecture article series. XMLA vs BAPI | Sunil S. Ranka sranka.wordpress.com Oracle ACE Sunil Ranka's brief primer on the XMLA and BAPI standards. The Java EE 6 Example - Running Galleria on WebLogic 12 - Part 3 | Markus Eisele blog.eisele.net Oracle ACE Director Markus Eisele continues his series on working with Galleria. Oracle Linux Online Forum - March 27 event.on24.com Date: Tuesday, March 27, 2012 Time: 9:30 AM PT / 12:30 PM ET Hosts: Oracle Executives Edward Screven and Wim Coekaerts. Customer Presentation: How Oracle Helps Reduce Cost and Improve Performance of Database Applications at Progressive Insurance Speaker: John Dome What's New in Oracle Linux Speakers: Waseem Daher, Chris Mason, Elena Zannoni, Lenz Grimmer Get More Value from your Linux Vendor Speakers: Sergio Leunissen, Chris Mason, Monica Kumar JavaOne 2012 Call for Papers www.oracle.com Don't keep all that Java skill locked up in your overstuffed cranium. Submit your proposal for that killer paper now to share your experience at this year’s JavaOne. Running applications in the cloud are not designed for the cloud | Tom Laszewski blogs.oracle.com "The issue you face with moving client/server applications to the cloud via rehosting is 'where will the applications run?'" says Tom Laszewski. GlassFish 3.1.2 - Which Platform(s)? | The Aquarium blogs.oracle.com The Aquarium shares a list of GlassFish 3.1.2-supported operating systems and JVMs. IT Strategies from Oracle; Three Recipes for Oracle Service Bus 11g ; Stir Up Some SOA www.oracle.com Featured this week on the OTN Architect Portal, along with the latest events, product downloads, community social resources, articles on hot topics, and a whole lot more. Thought for the Day "No matter what the problem is, it's always a people problem." — Gerald M. Weinberg

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Silverlight Cream for April 24, 2010 -- #846

- by Dave Campbell

In this Issue: Michael Washington, Timmy Kokke, Pete Brown, Paul Yanez, Emil Stoychev, Jeremy Likness, and Pavan Podila. Shoutouts: If you've got some time to spend, the User Experience Kit is packed with info: User Experience Kit, and just plain fun to navigate ... thanks Scott Barnes for reminding me about it! Jesse Liberty is looking for some help organizing and cataloging posts for a new project he's got going: Help Wanted Emil Stoychev posted Slides and demos from my talk on Silverlight 4 From SilverlightCream.com: Silverlight 4 Drag and Drop File Manager Michael Washington has a post up about a Silverlight Drag and Drop File Manager in MVVM, but a secondary important point about the post is that he and Alan Beasley followed strict Designer/Developer rules on this... you recognized Alan's ListBox didn't you? Changing CSS with jQuery syntax in Silverlight using jLight Timmy Kokke is using jLight as introduced in a prior post to interact with the DOM from Silverlight. Essential Silverlight and WPF Skills: The UI Thread, Dispatchers, Background Workers and Async Network Programming Pete Brown has a great backrounder up for WPF and Silverlight devs on threading and networking, good comments too so far. Fluid layout and Fullscreen in Silverlight Paul Yanez has a quick post and demo up on forcing full-screen with a fluid layout, all code included -- and it doesn't take much Data Binding in Silverlight Emil Stoychev has a great long tutorial up on DataBinding in Silverlight ... he hits all the major points with text, samples, and code... definitely one to read! Yet Another MVVM Locator Pattern Another not-necessarily Silverlight post from Jeremy Likness -- but definitely a good one on MVVM and locator patterns. The SpiderWebControl for Silverlight Pavan Podila has a 'SpiderWebControl' for Silverlight 4 up... this is a great network graph control with any sort of feature I can think of... check out the demo, then grab the code... or the other way around, your choice :) Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight Silverlight 3 Silverlight 4 Windows Phone MIX10

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Silverlight Cream for April 23, 2010 -- #845

- by Dave Campbell

In this Issue: Jason Allor, Bill Reiss, Mike Snow, Tim Heuer, John Papa, Jeremy Likness, and Dave Campbell. Shoutouts: You saw it at MIX10 and DevConnections... now you can give it a dance, John Papa announced eBay Simple Lister Beta Now Available Mike Snow posted some info about and a link to his new Flickr/Bing/Google High End Image Viewer and he's looking for feedback From SilverlightCream.com: Hierarchical Data Trees With A Custom DataSource Jason Allor is rounding out a series here in his new blog (bookmark it), and he's created his own custom HierarchicalDataSource class for use with the TreeView. Space Rocks game step 11: Start level logic Bill Reiss has Episode 11 up in his Space Rocks game ... working on NewGame and start level logic Silverlight Tip of the Day #3 – Mouse Right Clicks Mike Snow has Tip 3 up ... about handling right-mouse clicks in Silverlight 4 -- oh yeah, we got right mouse now ... grab Mike's project to check it out. Silverlight 4 enables Authorization header modification Tim Heuer talks about the ability to modify the Authorization header in network calls with Silverlight 4. He gives not only the quick-and-dirty of how to use it, but has some good examples, code, and code results for show and tell. WCF RIA Services - Hands On Lab John Papa built a bookstore app in roughly 10 minutes in the keynote at DevConnections. He now has a tutorial on doing just that plus all the code up. Transactions with MVVM Not strictly Silverlight (or WPF), but Jeremy Likness has an interesting article up on MVVM and transaction processing. Read the post then grab his helper class. Your First Windows Phone 7 Application As with the First Silverlight App a couple weeks ago, if you've got any WP7 experience at all, just keep going... this is for folks that have not looked at it yet, have not downloaded anything... oh, and it's by Dave Campbell Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight Silverlight 3 Silverlight 4 Windows Phone MIX10

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Silverlight Cream for April 19, 2010 -- #841

- by Dave Campbell

In this Issue: Michael Washington, Jeremy Likness, Giorgetti Alessandro, Antoni Dol, Mike Taulty, and Braulio Diez. Shoutout: Bart Czernicki lists compelling reasons to use Silverlight 4 for LOB apps: Silverlight 4 - What is New for Business Intelligence Scenarios From SilverlightCream.com: Silverlight Advanced MVVM Video Player After the initial posting on his Simple MVVM Video player, Michael Washington got some feedback and decided to do a part 2 demonstrating exactly how easy it is to customize... great tutorial and all the code. Model-View-ViewModel (MVVM) Explained Jeremy Likness has a post up that begins "The purpose of this post is to provide an introduction to the Model-View-ViewModel (MVVM) pattern." -- 'nuff said... If you're not there yet, get there now :) Castle Windsor – Silverlight 4 binaries Giorgetti Alessandro has produced workable Castle Windsor binaries for Silverlight 4. No Unit Tests at this point, but read the post for that information. Silverlight Togglebutton Push Pin Style with IsoStore Antoni Dol has a very nice ToggleButton redone as a pushpin for pinning an app, plus it saves the pinned information to Isolated Storage ... all with source! Silverlight and Xml Binding Mike Taulty fleshes out a sketchy idea he has surrounding databinding Silverlight to XML data by using the ability to databind to string indexers and XPath support. WinToolbar Silverlight widget available on Codeplex Braulio Diez announced a Toolbar library that he and Sebastian Stehlehave posted on CodePlex that looks awesome... you may as well just go get it now, you're going to want to! Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight Silverlight 3 Silverlight 4 Windows Phone MIX10

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It's Not TV- It's OTN: Top 10 Videos on the OTN YouTube Channel

- by Bob Rhubart

It's been a while since we checked in on what people are watching on the Oracle Technology Network YouTube Channel. Here are the Top 10 video for the last 30 days. Tom Kyte: Keeping Up with the Latest in Database Technology Tom Kyte expands on his keynote presentation at the Great Lakes Oracle Conference with tips for developers, DBAs and others who want to make sure they are prepared to work with the latest database technologies. That Jeff Smith: Oracle SQL Developer Oracle SQL Developer product manager Jeff Smith (yeah, that Jeff Smith) talks about his presentations at the Great Lakes Oracle Conference and shares his reaction to keynote speaker C.J. Date's claim that "SQL dropped the ball." Gwen Shapira: Hadoop and Oracle Database Oracle ACE Director Gwen Shapira @gwenshap talks about the fit between Hadoop and Oracle Database and dives into the details of why Oracle Loader for Hadoop is 5x faster. Kai Yu: Virtualization and Cloud Oracle ACE Director Kai Yu talks about the questions he is most frequently asked when he does presentations on cloud computing and virtualization. Mark Sewtz: APEX 4.2 Mobile App Development Application Express developer Marc Sewtz demos the new features he built into APEX4.2 to support Mobile App Development. Jeremy Schneider: RAC Attack Oracle ACE Jeremy Schneider @jer_s describes what you can expect when you come to a RAC (Real Application Cluster) Attack. Frits Hoogland: Exadata Under the Hood Oracle ACE Director Frits Hoogland (@fritshoogland) talks about the secret sauce under Exadata's hood. David Peake: APEX 4.2 New Features David Peake, PM for Oracle Application Express, gives a quick overview of some of the new APEX features. Greg Marsden: Hugepages = Huge Performance on Linux Greg Marsden of Oracle's Linux Kernel Engineering Team talks about some common customer performance questions and making the most of Oracle Linux 6 and Transparent HugePages. John Hurley: NEOOUG and GLOC 2013 Northeast Ohio Oracle User Group president John Hurley talks about the background and success of the 2013 Great Lakes Oracle Conference.

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Implements EAN13 and UPC-A barcode in PDF using fpdf in classic ASP

- by Jeremy N

/* FPDF library for ASP can be downloaded from: http://www.aspxnet.it/public/default.asp INFORMATIONS: Translated by: Jeremy Author: Olivier License: Freeware DESCRIPTION: This script implements EAN13 and UPC-A barcodes (the second being a particular case of the first one). Bars are drawn directly in the PDF (no image is generated) function EAN13(x,y,barcode,h,w) -x = x coordinate to start drawing the barcode -y = y coordinate to start drawing the barcode -barcode = code to write (must be all numeric) -h = height of the bar -w = the minimum width of individual bar function UPC_A(x,y,barcode,h,w) Same parameters An EAN13 barcode is made up of 13 digits, UPC-A of 12 (leading zeroes are added if necessary). The last digit is a check digit; if it's not supplied or if it is incorrect, it will be automatically computed. USAGE: Copy all of this text and save it in a file called barcode.ext file under fpdf/extends folder EXAMPLE: Set pdf=CreateJsObject("FPDF") pdf.CreatePDF "P","mm","letter" pdf.SetPath("fpdf/") pdf.LoadExtension("barcode") pdf.Open() pdf.AddPage() 'set the fill color to black pdf.setfillcolor 0,0,0 pdf.UPC_A 80,40,"123456789012",16,0.35 pdf.Close() pdf.NewOutput "" , true, "test.pdf" */ this.EAN13=function (x,y,barcode,h,w) { return this.Barcode(x,y,barcode,h,w,13); }; this.UPC_A=function (x,y,barcode,h,w) { return this.Barcode(x,y,barcode,h,w,12); }; function GetCheckDigit(barCode) { bc = barCode.replace(/[^0-9]+/g,''); total = 0; //Get Odd Numbers for (i=bc.length-1; i=0; i=i-2) { total = total + parseInt(bc.substr(i,1)); } //Get Even Numbers for (i=bc.length-2; i=0; i=i-2) { temp = parseInt(bc.substr(i,1)) * 2; if (temp 9) { tens = Math.floor(temp/10); ones = temp - (tens*10); temp = tens + ones; } total = total + temp; } //Determine the checksum modDigit = (10 - total % 10) % 10; return modDigit.toString(); } //Test validity of check digit function TestCheckDigit(barcode) { var cd=GetCheckDigit(barcode.substring(0,barcode.length-1)); return cd==parseInt(barcode.substring(barcode.length-1,1)); } this.Barcode=function Barcode(x,y,barcode,h,w,len) { //Padding while(barcode.length < len-1) { barcode = '0' + barcode; } if(len==12) {barcode='0' + barcode;} //Add or control the check digit if(barcode.length==12) { barcode += GetCheckDigit(barcode); } else { //if the check digit is incorrect, fix the check digit. if(!TestCheckDigit(barcode)) { barcode = barcode.substring(0,barcode.length-1) + GetCheckDigit(barcode.substring(0,barcode.length-1)); } } //Convert digits to bars var codes=[['0001101','0011001','0010011','0111101','0100011','0110001','0101111','0111011','0110111','0001011'], ['0100111','0110011','0011011','0100001','0011101','0111001','0000101','0010001','0001001','0010111'], ['1110010','1100110','1101100','1000010','1011100','1001110','1010000','1000100','1001000','1110100'] ]; var parities=[[0,0,0,0,0,0], [0,0,1,0,1,1], [0,0,1,1,0,1], [0,0,1,1,1,0], [0,1,0,0,1,1], [0,1,1,0,0,1], [0,1,1,1,0,0], [0,1,0,1,0,1], [0,1,0,1,1,0], [0,1,1,0,1,0] ]; var code='101'; var p=parities[parseInt(barcode.substr(0,1))]; var i; for(i=1;i<=6;i++) { code+= codes[p[i-1]][parseInt(barcode.substr(i,1))]; } code+='01010'; for(i=7;i<=12;i++) { code+= codes[2][parseInt(barcode.substr(i,1))]; } code+='101'; //Draw bars for(i=0;i<code.length;i++) { if(code.substr(i,1)=='1') { this.Rect(x+i*w,y,w,h,'F'); } } //Print text uder barcode. this.SetFont('Arial','',12); //Set the x so that the font is centered under the barcode this.Text(x+parseInt(0.5*barcode.length)*w,y+h+11/this.k,barcode.substr(barcode.length-len,len)); }

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