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• GWT RPC and GoDaddy Shared Hosting

  - by Mike Apolis

  Hi, I've deployed the sample Stock Watcher app to my GoDaddy Hosting site, and I get the error below. I've tried compiling the Project in Eclipse with JRE 1.5 because my Host is using jre 1.5. I think the issue is the "gwt-servlet.jar" is not compatible with jre 1.5. Can anyone confirm this. The project runs fine on my local machine using JRE 1.6. Unfortunately GoDaddy will not upgrade my shared hosting account jre to 1.6. GoDaddy Server Setup: Tomcat Version 5.0.27 JRE 1.5_22 Error: HTTP Status 500 - type Exception report message description The server encountered an internal error () that prevented it from fulfilling this request. exception javax.servlet.ServletException: Error allocating a servlet instance org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java: 117) org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java: 535) org.apache.catalina.authenticator.SingleSignOn.invoke(SingleSignOn.java: 417) org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java: 160) org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:300) org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:374) org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:743) org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java: 675) org.apache.jk.common.SocketConnection.runIt(ChannelSocket.java:866) org.apache.tomcat.util.threads.ThreadPool $ControlRunnable.run(ThreadPool.java:683) java.lang.Thread.run(Thread.java:595) root cause java.lang.UnsupportedClassVersionError: Bad version number in .class file java.lang.ClassLoader.defineClass1(Native Method) java.lang.ClassLoader.defineClass(ClassLoader.java:621) java.security.SecureClassLoader.defineClass(SecureClassLoader.java: 124) org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java: 1634) org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java: 860) org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java: 1307) org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java: 1189) java.security.AccessController.doPrivileged(Native Method) org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java: 117) org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java: 535) org.apache.catalina.authenticator.SingleSignOn.invoke(SingleSignOn.java: 417) org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java: 160) org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:300) org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:374) org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:743) org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java: 675) org.apache.jk.common.SocketConnection.runIt(ChannelSocket.java:866) org.apache.tomcat.util.threads.ThreadPool $ControlRunnable.run(ThreadPool.java:683) java.lang.Thread.run(Thread.java:595) note The full stack trace of the root cause is available in the Apache Tomcat/5.0.27 logs. Apache Tomcat/5.0.27

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• mem-leak freeing g_strdup

  - by Mike

  I'm trying to free g_strdup but I'm not sure what I'm doing wrong. Using valgrind --tool=memcheck --leak-check=yes ./a.out I keep getting: ==4506== 40 bytes in 10 blocks are definitely lost in loss record 2 of 9 ==4506== at 0x4024C1C: malloc (vg_replace_malloc.c:195) ==4506== by 0x40782E3: g_malloc (in /lib/libglib-2.0.so.0.2200.3) ==4506== by 0x4090CA8: g_strdup (in /lib/libglib-2.0.so.0.2200.3) ==4506== by 0x8048722: add_inv (dup.c:26) ==4506== by 0x80487E6: main (dup.c:47) ==4506== 504 bytes in 1 blocks are possibly lost in loss record 4 of 9 ==4506== at 0x4023E2E: memalign (vg_replace_malloc.c:532) ==4506== by 0x4023E8B: posix_memalign (vg_replace_malloc.c:660) ==4506== by 0x408D61D: ??? (in /lib/libglib-2.0.so.0.2200.3) ==4506== by 0x408E5AC: g_slice_alloc (in /lib/libglib-2.0.so.0.2200.3) ==4506== by 0x4061628: g_hash_table_new_full (in /lib/libglib-2.0.so.0.2200.3) ==4506== by 0x40616C7: g_hash_table_new (in /lib/libglib-2.0.so.0.2200.3) ==4506== by 0x8048795: main (dup.c:42) I've tried different ways to freed but no success so far. I'll appreciate any help. Thanks BTW: It compiles and runs fine. #include <stdio.h> #include <string.h> #include <stdlib.h> #include <glib.h> #include <stdint.h> struct s { char *data; }; static GHashTable *hashtable1; static GHashTable *hashtable2; static void add_inv(GHashTable *table, const char *key) { gpointer old_value, old_key; gint value; if(g_hash_table_lookup_extended(table,key, &old_key, &old_value)){ value = GPOINTER_TO_INT(old_value); value = value + 2; /*g_free (old_key);*/ } else { value = 5; } g_hash_table_replace(table, g_strdup(key), GINT_TO_POINTER(value)); } static void print_hash_kv (gpointer key, gpointer value, gpointer user_data){ gchar *k = (gchar *) key; gchar *h = (gchar *) value; printf("%s: %d \n",k, h); } int main(int argc, char *argv[]){ struct s t; t.data = "bar"; int i,j; hashtable1 = g_hash_table_new(g_str_hash, g_str_equal); hashtable2 = g_hash_table_new(g_str_hash, g_str_equal); for(i=0;i<10;i++){ add_inv(hashtable1, t.data); add_inv(hashtable2, t.data); } /*free(t.data);*/ /*free(t.data);*/ g_hash_table_foreach (hashtable1, print_hash_kv, NULL); g_hash_table_foreach (hashtable2, print_hash_kv, NULL); g_hash_table_destroy(hashtable1); g_hash_table_destroy(hashtable2); return 0; }

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• Creating a simple JQuery tooltip?

  - by Mike El Panther

  Has anybody here got any experience in creating simple tooptips using JQuery? I have created a table: <tr id="mon_Section"> <td id="day_Title">Monday</td>` <td id="mon_Row" onmousemove="calculate_Time(event)"></td> </tr>` the function "calculate_Time" will be called and this gets the X position of the mouse cursor and from the value, uses IF and ELSE-IF statements to calculate the values of other variables i have created: var mon_Pos; var hour; var minute; var orig; var myxpos; function calculate_Time(event) { myxpos = event.pageX; myxpos = myxpos-194; if (myxpos<60) { orig = myxpos; minute = myxpos; hour = 07; } else if (myxpos>=60 && myxpos<120) { orig = myxpos; minute=myxpos-60; hour=08; } } How do i go about creating a stylized tooltip containing the Hour and Minute variables that i created, I need the tooltip to be updated everytime the X position of the cursor changes. I know that with myxpos variable does change whenever the mouse is moved because i tried it out using an alert(myxpos) and as expected, if the mouse moves, a new alert box popups with a new value. I just cant work out how to place that value in a tooltip?

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• Why is Visual Basic bad?

  - by Mike

  Why do programmers consider Visual Basic a bad language? Putting aside any gripes with Microsoft or with proprietary/non-free software in general, and looking the language itself. Syntax, style, etc. I have just started using it, and find the syntax rather terrible. But I'm wondering what are the most common specific problems.

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• Problems with PHP System_Daemon and IMAP connection.

  - by mike

  I'm trying to create a PHP daemon that connects to an IMAP server and processes emails as they come in. I have it close to working, but the daemon keeps grabbing the original emails that it finds the first time the daemon is loaded. I believe the reason is because I'm opening the IMAP connection in the parent process. Example below: if ($imapConnection=imap_open($authhost,$user,$pass) or die()) { //start daemon while() { //Grab email headers $imapHeaders = imap_headers($imapConnection); $count = sizeof($imapHeaders) //loop the emails for($i = 1; $i <= $count, $i++) { //process the email //delete the email } System_Daemon::iterate(15); } } imap_close($imapConnection); I'd like to stay away from putting the IMAP connection within the loop. How can I keep the connection to the IMAP server outside of the loop and still get new emails?

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• Can't check more than one RadioButton across multiple items in a Treeview

  - by Mike Johnston

  I’m using a TreeView control to present a list of Questions. Using the Prism.DataTemplateSelector, I'm loading a View (.xaml file) that represents a single Question into each node in the TreeView. In the View for that question is a ListBox containing RadioButtons (one for each item in a Picklist object that the ListBox is bound to). The radio buttons work as expected for the question, but when I check a RadioButton on another node/question in the TreeView, the check for the button in the Question I was editing before disappears. In other words, I'm only able to check one RadioButton in the whole list of Questions/Items bound to the containing TreeView. How do I group the RadioButtons in the ListBox to the scope of the single question instead of all the questions in the TreeView.

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• change attributes of SVG graph without refresh

  - by Mike Hudak

  Hello, I have a simple SVG graph generated by GraphViz: <?xml version="1.0" encoding="UTF-8" standalone="no"?> <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"> <!-- Generated by graphviz version 2.26.3 (20100126.1600) --> <!-- Title: G Pages: 1 --> <svg width="138pt" height="168pt" viewBox="0.00 0.00 138.00 168.00" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"> <g id="graph1" class="graph" transform="scale(1 1) rotate(0) translate(4 164)"> <title>G</title> <polygon fill="white" stroke="white" points="-4,5 -4,-164 135,-164 135,5 -4,5"/> <!-- Node1 --> <g id="node1" class="node"><title>Node1</title> <a xlink:href="http://localhost/viz/applet.php" xlink:title="Internet"> <image xlink:href="images/cloud.png" width="130px" height="77px" preserveAspectRatio="xMinYMin meet" x="0" y="-159.5"/> <text text-anchor="middle" x="65" y="-116.4" font-family="Times New Roman,serif" font-size="14.00">&#39;.$Internet.&#39;</text> </a> </g> <!-- Node2 --> <g id="node2" class="node"><title>Node2</title> <a xlink:href="http://localhost/viz/applet.php"> <image xlink:href="images/file server.png" width="44px" height="45px" preserveAspectRatio="xMinYMin meet" x="43" y="-45.5"/> </a> </g> <!-- Node1&#45;&gt;Node2 --> <g id="edge2" class="edge"><title>Node1&#45;&gt;Node2</title> <a xlink:title="Bandwidth: 1544kbps&#10;Using link: 12%&#10;VOIP calls: 4&#10;Packet rate: 10000&#10;Packet loss: 2"> <path fill="none" stroke="black" d="M65,-82.2678C65,-73.5404 65,-64.358 65,-55.8964"/> <polygon fill="black" stroke="black" points="68.5001,-55.6524 65,-45.6524 61.5001,-55.6525 68.5001,-55.6524"/> </a> </g> </g> </svg> I want to change some atributes: for example " VOIP calls: 4 " -changing "4" to value from Database(LDAP) without refreshing whole SVG graph <a xlink:title="Bandwidth: 1544kbps&#10;Using link: 12%&#10;VOIP calls: 4&#10;Packet rate: 10000&#10;Packet loss: 2"> Thank you for your answers

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• Star schema [fact 1:n dimension]...how?

  - by Mike Gates

  I am a newcomer to data warehouses and have what I hope is an easy question about building a star schema: If I have a fact table where a fact record naturally has a one-to-many relationship with a single dimension, how can a star schema be modeled to support this? For example: Fact Table: Point of Sale entry (the measurement is DollarAmount) Dimension Table: Promotions (these are sales promotions in effect when a sale was made) The situation is that I want a single Point Of Sale entry to be associated with multiple different Promotions. These Promotions cannot be their own dimensions as there are many many many promotions. How do I do this?

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• grabbing layer contents in a class

  - by Mike

  I have a custom UIImageView class that creates thumbnails (UIImageView) and each thumbnail has a label. The label is created by another class. The label class creates a UIImageView and a UITextView on top of it. This is the init object class' init method: - (id)initWithFrame:(CGRect)frame { if ([super initWithFrame:frame] == nil) { return nil; } CGRect myFrame = CGRectMake(0, 0, 100, 100); myLabel = [[myLabelClass alloc] initWithFrame: myFrame]; //myLabelClass is a UIImageView based class [myLabel setCenter:CGPointMake(50, 50)]; [self addSubview: myLabel]; return self; } So, I have this MAIN VIEW CONTROLLER | |___ UIImageView WITH LABEL | |____ label background (UIView) |____ UITEXTVIEW (text) Now I want to write the contents of all these 3 components to a quartz context. I need to write using drawInRect, because I need to write the full object to a precise location. I expected object.layer.contents to be the image equivalent to these 3 "layers" flattened, in other words, the object's image, the label background and the label text, as it would if I created these 3 objects in Photoshop and flatten the composition. I also expect object.myLabel.layer.contents to contains the rendered contents of the UITextView over the label background. The problem is that when I use UIImage *myImage = [UIImage imageWithCGImage:objecto.myLabel.layer.contents]; [myImage drawInRect:CGRectMake(0, 0, 100, 100)]; I get nothing. How can I obtain a "flattened" image resultant to the full object (including its subviews)? thanks

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• Using mysqlimport where the filename is different from the table name

  - by Mike Q

  Hi all, I've been playing with mysqlimport and I've run into the restriction where the filename has to be the same as the table name. Is there any way to work round this? I want to use mysqlimport not LOAD INFILE.

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• C# Thread issues

  - by Mike

  What I have going on is a listview being dynamically created from a previous button click. Then ti starts a background worker in which should clear out the listview and populate the iistview with new information every 30 seconds. I continously get: Cross-thread operation not valid: Control 'listView2' accessed from a thread other than the thread it was created on. private void watcherprocess1Updatelist() { listView2.Items.Clear(); string betaFilePath1 = @"C:\Alpha\watch1\watch1config.txt"; using (FileStream fs = new FileStream(betaFilePath1, FileMode.Open)) using (StreamReader rdr = new StreamReader((fs))) { while (!rdr.EndOfStream) { string[] betaFileLine = rdr.ReadLine().Split(','); using (WebClient webClient = new WebClient()) { string urlstatelevel = betaFileLine[0]; string html = webClient.DownloadString(urlstatelevel); File.AppendAllText(@"C:\Alpha\watch1\specificconfig.txt", html); } } }

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• Webbrowser control and cookies

  - by Mike

  Hello! I have a webbrowser control in my program and what I want to do is to delete all the cookies stored in my computer. The problem is that for example I'm in some site, and then I decide I want to delete all the cookies, so I do it by the command "Kill()" but the problem is that the cookies remain and this site still can recognize me, and to complete the kill command I need to close my program and enter it again. The webbrowser control uses Internet Explorer, and I think when you enter IE it somehow loads all the cookies into it so if you delete your cookies, they remain there. So I'm wondering how can I delete my cookies, completely delete them without the need to close my program and enter it once again. Any help will be appreciated!

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• Convery MSSQL Varbinary field to MYSQL, keeping data intact

  - by Mike Sheridan

  I was given the dawnting task of converting a ASP website to PHP and MSSQL to MySQL, and I ran into an issue that hopefully somebody can help I have a user table which has a password field with datatype Varbinary(128), are using pwdencrypt to encrypt the password. Is there a way to transfer that over to MySQL, and somehow i need to be able to keep the password intact... how can i go about that? any pointers would be greatly appreciated!

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• ipad simulator - sandbox area

  - by Mike

  Every iPhone/iPad application has its sandbox area, where I can store files. When I use the simulator this area will be somewhere in the hard disk. Is it possible to see this directory and its contents for a given application? I am debugging an iPad app and it will be a lot easier if I can see the sandbox area contents in real time, as the app runs and creates files there. Where do I find it? thanks for any help.

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• Producing a Form from an Overlay from Reporting Services rdlc Reports

  - by Mike Wills

  I am not sure what you call it in other technologies, on the IBM i (or iSeries) we call it overlays. The overlay is an image of a form that is stored on the server then a program generates the form with fields from the database so you can eliminate preprinted forms. I had a problem last year with the method I was trying at the time. It was a rush job at the time to be revisited at a later point. The work-around at the time was to export to PDF. So now it is "later" and once again is a rush (imagine that). This is all done through a web-based interface. So how do you generate forms from something that was once a preprinted form? What method do you recommend? This is a legal form and must be filled out a certain way and can have many in a batch (up to 50 or so). I would prefer to not have them print one page at a time. Any ideas would be appreciated!

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• TransactionScope and Transactions

  - by Mike

  In my C# code I am using TransactionScope because I was told not to rely that my sql programmers will always use transactions and we are responsible and yada yada. Having said that It looks like TransactionScope object Rolls back before the SqlTransaction? Is that possible and if so what is the correct methodology for wrapping a TransactionScope in a transaction. Here is the sql test CREATE PROC ThrowError AS BEGIN TRANSACTION --SqlTransaction SELECT 1/0 IF @@ERROR<> 0 BEGIN ROLLBACK TRANSACTION --SqlTransaction RETURN -1 END ELSE BEGIN COMMIT TRANSACTION --SqlTransaction RETURN 0 END go DECLARE @RESULT INT EXEC @RESULT = ThrowError SELECT @RESULT And if I run this I get just the divide by 0 and return -1 Call from the C# code I get an extra error message Divide by zero error encountered. Transaction count after EXECUTE indicates that a COMMIT or ROLLBACK TRANSACTION tatement is missing. Previous count = 1, current count = 0. If I give the sql transaction a name then Cannot roll back SqlTransaction. No transaction or savepoint of that name was found. Transaction count after EXECUTE indicates that a COMMIT or ROLLBACK TRANSACTION statement is missing. Previous count = 1, current count = 2. some times it seems the count goes up, until the app completely exits The c# is just using (TransactionScope scope = new TransactionScope()) { ... Execute Sql scope.Commit() }

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• string manipulation without alloc mem in c

  - by Mike

  I'm wondering if there is another way of getting a sub string without allocating memory. To be more specific, I have a string as: const char *str = "9|0\" 940 Hello"; Currently I'm getting the 940, which is the sub-string I want as, char *a = strstr(str,"9|0\" "); char *b = substr(a+5, 0, 3); // gives me the 940 Where substr is my sub string procedure. The thing is that I don't want to allocate memory for this by calling the sub string procedure. Is there a much easier way?, perhaps by doing some string manipulation and not alloc mem. I'll appreciate any feedback.

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• ipad simulator rotating

  - by Mike

  I am testing an application on iPad Simulator and I need it to start my app in the position the simulator is but every time I run the app, the simulator rotates the simulator to portrait. Is there a way to stop this behavior? thanks.

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• Access modifiers - Property on business objects - getting and setting

  - by Mike

  Hi, I am using LINQ to SQL for the DataAccess layer. I have similar business objects to what is in the data access layer. I have got the dataprovider getting the message #23. On instantiation of the message, in the message constructor, it gets the MessageType and makes a new instance of MessageType class and fills in the MessageType information from the database. Therefore; I want this to get the Name of the MessageType of the Message. user.Messages[23].MessageType.Name I also want an administrator to set the MessageType user.Messages[23].MessageType = MessageTypes.LoadType(3); but I don't want the user to publicly set the MessageType.Name. But when I make a new MessageType instance, the access modifier for the Name property is public because I want to set that from an external class (my data access layer). I could change this to property to internal, so that my class can access it like a public variable, and not allow my other application access to modify it. This still doesn't feel right as it seems like a public property. Are public access modifiers in this situation bad? Any tips or suggestions would be appreciated. Thanks.

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• How to display a PostScript file in a Python GUI application.

  - by Mike Graham

  I would like to build a cross-platform GUI application in Python that displays PostScript files I generate, among some other stuff. What is the best way to accomplish this? Ideally I would be able to do things like zoom and pan the displayed graphic. Do any/some/all of the GUI toolkits have something I can drop in to do this, and if so what are they called and how do they work? If necessary, I can convert the postscript file to PDF or a raster format behind the scenes, but I'd rather not do the latter.

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• How do I make a Mach-O binary from an object file?

  - by Mike

  I have an object file, which I'd like to make into a Mach-O binary(I'm on Mac OS 10.6). Running ld source.o produces the following output: Undefined symbols: "_printf", referenced from: _main in source.o ld: symbol(s) not found for inferred architecture x86_64 How can I reference libSystem(or whatever library includes printf) using ld?

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• jQuery to find previous elements

  - by mike

  Hi everybody, I have the following table <table> <tr class="ligneI"> <td class="col2b"><input type="text" id="desc" class="calcule"></td> <td class="col2b"><input type="text" id="price" class="calcule"></td> <td class="calculated_price">220.00</td> <td class="calculated_price">1800.00</td> <td><a title="" class="picto06 deleteLink" id="deleteLink1" href="#" onclick="resetfields(this);">delete</a></td> </tr> <tr class="ligneI"> <td class="col2b"><input type="text" id="desc" class="calcule"></td> <td class="col2b"><input type="text" id="price" class="calcule"></td> <td class="calculated_price">87.00</td> <td class="calculated_price">40.00</td> <td><a title="" class="picto06 deleteLink" id="deleteLink2" href="#" onclick="resetfields(this);">delete</a></td> ... and I would like to reset the entire when i click on a delete link. I tried to do something like this: function resetfields(obj) { $(this).parent().prevAll('td.calcule').html('&nbsp;'); $(this).parent().prevAll('td input.calcule').val(''); } but only the first line erase the two first befor my link. Someone can help me please. Ps : excuse my english

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• Posting to self-hosted WordPress from Tweetie

  - by Mike Wills

  Is there a plugin yet that allows me to post to my self-hosted WordPress install from Tweetie or another Twitter client?

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• Where do filesystems like Reiser, NFS, etc store the file tables?

  - by Mike Curry

  Where do filesystems like Reiser, NFS, etc store the file tables? We're looking at writing our own filesystem, and wondering if we should use a single file to hold it all using btree's or use something out there. Any advice? This is more a learning exercise than anything.

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• WinForms - DateTimePicker default month selection behavior for Server 2003 vs Server 2008?

  - by Mike Loux

  Good Afternoon! Has anybody else noticed a change in the default behavior of the "next" and "previous" month arrows in the standard WinForms DateTimePicker control? I have users running on both Windows Server 2003 and Windows Server 2008 R2, and they are reporting that on 2008 (and Vista/Win7), clicking the right or left arrows on the drop-down Calendar now selects the first day of the month rather than retaining the same day like 2003 (and XP) does. I have checked this out (I have a Win7 machine) and I have confirmed this behavior. I would prefer that the behavior remain consistent whenever possible. Does anybody know what causes this and if there is a way to get around this? Is there a way to trap the arrow-click event and force the resulting date to retain the original day rather than be reset to the first of the month? I thought about seeing if there was a way to hit-test the control on a MouseUp event and determine if the arrow buttons were clicked, and then override the month value being set, but I'm not sure if that is even possible. Can anybody provide some wisdom or insight? Thanks!

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