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  • Binding to Element's Visibility value

    - by plotnick
    I have a checkable DropDownButton and a Grid. I want to bind Button's IsChecked parameter with grid's Visibility value. If (Visibility == Visible) IsCheked = true I've tried to do like that: IsChecked="{Binding ElementName=UsersDockWindow, Path=IsVisible}" but it didn't work, cause IsVisible is readOnly property.

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  • How can SAP tRFC server tell client through JCo that function has been carried out?

    - by Hendrik Jan van Randen
    SAPs "Transactional RFC Technical Description" document (release 4.0, see http://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/ee6bca90-0201-0010-5792-d9693e2eac83?QuickLink=index&overridelayout=true ) says in section Transactional RFC on page 6: "Finally, the server tells the client, that the function has been carried out and the client acknowledges this.". How can the server tell this to the client when the server communicates with the client through JCo (Java Connector)?

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  • Sqlite / SQLAlchemy: how to enforce Foreign Keys?

    - by Nick Perkins
    The new version of SQLite has the ability to enforce Foreign Key constraints, but for the sake of backwards-compatibility, you have to turn it on for each database connection separately! sqlite> PRAGMA foreign_keys = ON; I am using SQLAlchemy -- how can I make sure this always gets turned on? What I have tried is this: engine = sqlalchemy.create_engine('sqlite:///:memory:', echo=True) engine.execute('pragma foreign_keys=on') ...but it is not working!...What am I missing?

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  • subquery factoring questions.

    - by Sujee
    Hi, Please explain. a) is "subquery factoring" used to replace a non-correlated subquery? What about correlated subquery? b) if it is true, are "subquery" and "subquery factoring" executed exactly once? c) "subquery" vs "subquery factoring" which one is better Thank you.

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  • Can standard Sun javac do incremental compiling?

    - by calavera.info
    Recently I started to use Eclipse's java compiler, because it is significantly faster than standard javac. I was told that it's faster because it performs incremental compiling. But I'm still a bit unsure about this since I can't find any authoritative documentation about both - eclispse's and sun's - compilers "incremental feature". Is it true that Sun's compiler always compiles every source file and Eclipse's compiler compile only changed files and those that are affected by such a change?

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  • Customly chromed Windows in wpf

    - by Alxandr
    I've tried creating a customly chromed window in wpf using WindowStyle None, and AllowsTransparency True, however, when I maximize the window it covers the entire screen (and goes beond it's edges, it also hides the Windows-bar at the bottom of my screen, just like a game in fullscreen). How can I make the behaviour like a normal window, but with my own customly made wpf-chrome?

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  • Checkers board structure

    - by Ockonal
    Hello guys, I'm implement checkers (game) board with python. Here is how I switch it to the need structure [8][8] array: _matrix = [] for i in xrange(8): _matrix.append( [' '] * 8 ) for row in xrange(0, 8): for col in xrange(0, 8): if _darkQuad(row, col) == True: _matrix[row][col] = '#' else: _matrix[row][col] = '-' def _darkQuad(row, col): return ((row%2) == (col%2)) def _printDebugBoard(): for row in xrange(0, 8): for col in xrange(0, 8): print _matrix[row][col] print '' This should do my board like: # - # - # - # - - # - # - # - # ... But the result is: - - - - - - - - # # # # # # # # - - - - - - - - # # # # # # # # - - - - - - - - # # # # # # # # - - - - - - - - # # # # # # # # What's wrong?

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  • How can I have a mouseover/in one off check?

    - by Denis Hoctor
    Hi all, How can I test if a mouse is within a given div? I know how to use events to do something when it occurs but is it possible to check it on pageload only? What I want to do is smething like: if(mouse is in specified div) { check = true; } else { check = false; } Thanks, Denis

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  • Add attribute to embed tag using jquery

    - by Rob
    I have the following embed tag: <embed type="application/x-shockwave-flash" width="640" height="505" src="url_to_video" allowscriptaccess="always" allowfullscreen="true"></embed> I have about five of theses on a page, and I'd like to add the attribute wmode="opaque" to all of them. However, I tried to do it like this and it didnt' work: $j("embed").attr('wmode','opaque'); Is there another way I can dynamically set the attribute wmode="opaque" ? Thanks!

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  • Linq-to-SQL: How to perform a count on a sub-select

    - by Peter Bridger
    I'm still trying to get my head round how to use LINQ-to-SQL correctly, rather than just writing my own sprocs. In the code belong a userId is passed into the method, then LINQ uses this to get all rows from the GroupTable tables matching the userId. The primary key of the GroupUser table is GroupUserId, which is a foreign key in the Group table. /// <summary> /// Return summary details about the groups a user belongs to /// </summary> /// <param name="userId"></param> /// <returns></returns> public List<Group> GroupsForUser(int userId) { DataAccess.KINv2DataContext db = new DataAccess.KINv2DataContext(); List<Group> groups = new List<Group>(); groups = (from g in db.Groups join gu in db.GroupUsers on g.GroupId equals gu.GroupId where g.Active == true && gu.UserId == userId select new Group { Name = g.Name, CreatedOn = g.CreatedOn }).ToList<Group>(); return groups; } } This works fine, but I'd also like to return the total number of Users who are in a group and also the total number of Contacts that fall under ownership of the group. Pseudo code ahoy! /// <summary> /// Return summary details about the groups a user belongs to /// </summary> /// <param name="userId"></param> /// <returns></returns> public List<Group> GroupsForUser(int userId) { DataAccess.KINv2DataContext db = new DataAccess.KINv2DataContext(); List<Group> groups = new List<Group>(); groups = (from g in db.Groups join gu in db.GroupUsers on g.GroupId equals gu.GroupId where g.Active == true && gu.UserId == userId select new Group { Name = g.Name, CreatedOn = g.CreatedOn, // ### This is the SQL I would write to get the data I want ### MemberCount = ( SELECT COUNT(*) FROM GroupUser AS GU WHERE GU.GroupId = g.GroupId ), ContactCount = ( SELECT COUNT(*) FROM Contact AS C WHERE C.OwnerGroupId = g.GroupId ) // ### End of extra code ### }).ToList<Group>(); return groups; } }

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  • Button control subclass: click event does not fire when using UpdatePanel

    - by nw
    Using suggestions from this thread, I created a ModernButton control that uses the HTML button tag instead of input. This control works great except when embedded within an UpdatePanel control. In this case, it does trigger the partial postback, but its click event does not fire. The control is defined thus: [ParseChildren(false)] [PersistChildren(true)] public class ModernButton : Button { private string _iconURL = ""; protected override string TagName { get { return "button"; } } protected override HtmlTextWriterTag TagKey { get { return HtmlTextWriterTag.Button; } } public new string Text { get { return ViewState["NewText"] as string; } set { ViewState["NewText"] = HttpUtility.HtmlDecode(value); } } public string IconURL { get { return this._iconURL; } set { this._iconURL = value.Trim(); } } protected override void OnPreRender(System.EventArgs e) { base.OnPreRender(e); LiteralControl textCtrl = new LiteralControl(this.Text); if (this._iconURL != "") { LiteralControl openDiv = new LiteralControl( string.Format( "<div style=\"background-image:url({0}); background-position:left center; background-repeat:no-repeat; line-height:16px; padding:3px 0 3px 22px;\">", ResolveClientUrl(this._iconURL) ) ); LiteralControl closeDiv = new LiteralControl("</div>"); Controls.AddAt(0, openDiv); Controls.Add(textCtrl); Controls.Add(closeDiv); } else { Controls.Add(textCtrl); } base.Text = UniqueID; } protected override void RenderContents(HtmlTextWriter writer) { RenderChildren(writer); } } I use it so: <asp:UpdatePanel runat="server" ID="uxSearchPanel" ChildrenAsTriggers="true" UpdateMode="Conditional"> <Triggers> <asp:AsyncPostBackTrigger ControlID="uxSearchButton" /> </Triggers> <ContentTemplate> ... <ctrl:ModernButton ID="uxSearchButton" runat="server" Text="Search" IconURL="Icons/magnifier.png" OnClick="uxSearchButton_Click"></ctrl:ModernButton> </ContentTemplate> </asp:UpdatePanel> Which renders: <div id="uxBody_uxSearchPanel"> ... <button type="submit" name="ctl00$uxBody$uxSearchButton" value="ctl00$uxBody$uxSearchButton" id="uxBody_uxSearchButton"> <div style="background-image:url(Icons/magnifier.png); background-position:left center; background-repeat:no-repeat; line-height:16px; padding:3px 0 3px 22px;">Search</div> </button> </div> The ModernButton generates a postback in every case (whether partial or full), but the server-side click event (uxSearchButton_Click) does not fire in the partial postback scenario.

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  • Java2D Distance Collision Detection

    - by Trizicus
    My current setup is only useful once collision has been made; obviously there has to be something better than this? public boolean CollisionCheck(Rectangle rect1, Rectangle rect2) { if(rect1.intersects(rect2)) { return true; } return false; } How can I do preemptive collision detection?

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  • How to raise a System KeyDown event manually in .Net Compact framework 3.5

    - by Sundar
    I have developed a custom keypad using resco controls in my application I have currently handled the backspace button click event with the following code private void customKeyboard1_KeyboardKeyUp(object sender, Resco.Controls.Keyboard.KeyPressedEventArgs e) { if (e.Key.Text == "Backspace") { Resco.Controls.Keyboard.CustomKeyboard.SendBackspace(); e.Handled = true; } } This works fine with the edit boxes in the application but not working in edit boxes in the web pages (for eg. on gmail username text box). so is there any way to raise the KeyDown event manually

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  • Python regex help

    - by Dormish
    I am trying to make a regex that finds all names, url and phone numbers in an html page. But I'm having trouble with the phone number part. I think the problem with the numbers part is that is searches until it finds the </strong> but in that process it skips people, instead of making a empty string if the person has no phone number ( simply put instead of a list like this: url1+name1+num1 | url2+name2+"" | url3+name3+num3 it returns a list like this: url1+name1+num1 | url2+name2+num3 , with url3+name3 deleted in the process) for url, name, pnumber in re.findall('Name"><div>(?:<a href="/si([^">]*)"> )?([^<]*)(?:.*?</strong>([^<]*))?',page): I am searchin for people in s single very long line. A person could have an url or phone number. An example of a person with an url and a phone number <tr> <td class="lablinksName"><div><a href="/si/ivan-bratko/default.html"> dr. Ivan Bratko akad. prof.</a></div></td> <td class="lablinksMail"><a href="javascript:void(cmPopup('sendMessage', '/si/ivan-bratko/mailer.html', true, 350, 350));"><img src="/Static/images/gui/mail.gif" height="8" width="11"></a></td> <td class="lablinksPhone"><div><strong>T:</strong> +386 1 4768 393 </div></td> </tr> And an example of a person with no url or phone number <tr> <td class="lablinksName"><div> dr. Branko Matjaž Juric prof.</div></td> <td class="lablinksMail"><a href="javascript:void(cmPopup('sendMessage', '/si/branko-matjaz-juric/mailer.html', true, 350, 350));"><img src="/Static/images/gui/mail.gif" height="8" width="11"></a></td> <td class="lablinksPhone"><div> </div></td> </tr> I hope i was clear enough and if any one can help me.

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  • Binding Source suspends itself when I don't want it to.

    - by Scott Chamberlain
    I have two data tables set up in a Master-Details configuration with a relation "Ticket_CallSegments" between them. I also have two Binding Sources and a Data Grid View configured like this (Init Code) // // dgvTickets // this.dgvTickets.AllowUserToAddRows = false; this.dgvTickets.AllowUserToDeleteRows = false; this.dgvTickets.AllowUserToResizeRows = false; this.dgvTickets.AutoGenerateColumns = false; this.dgvTickets.ColumnHeadersHeightSizeMode = System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.AutoSize; this.dgvTickets.Columns.AddRange(new System.Windows.Forms.DataGridViewColumn[] { this.cREATEDATEDataGridViewTextBoxColumn, this.contactFullNameDataGridViewTextBoxColumn, this.pARTIALNOTEDataGridViewTextBoxColumn}); this.dgvTickets.DataSource = this.ticketsDataSetBindingSource; this.dgvTickets.Dock = System.Windows.Forms.DockStyle.Fill; this.dgvTickets.Location = new System.Drawing.Point(0, 0); this.dgvTickets.MultiSelect = false; this.dgvTickets.Name = "dgvTickets"; this.dgvTickets.ReadOnly = true; this.dgvTickets.RowHeadersVisible = false; this.dgvTickets.SelectionMode = System.Windows.Forms.DataGridViewSelectionMode.FullRowSelect; this.dgvTickets.Size = new System.Drawing.Size(359, 600); this.dgvTickets.TabIndex = 0; // // ticketsDataSetBindingSource // this.ticketsDataSetBindingSource.DataMember = "Ticket"; this.ticketsDataSetBindingSource.DataSource = this.ticketsDataSet; this.ticketsDataSetBindingSource.CurrentChanged += new System.EventHandler(this.ticketsDataSetBindingSource_CurrentChanged); // // callSegementBindingSource // this.callSegementBindingSource.DataMember = "Ticket_CallSegments"; this.callSegementBindingSource.DataSource = this.ticketsDataSetBindingSource; this.callSegementBindingSource.Sort = "CreateDate"; //Function to update a rich text box. private void ticketsDataSetBindingSource_CurrentChanged(object sender, EventArgs e) { StringBuilder sb = new StringBuilder(); rtbTickets.Clear(); foreach (DataRowView drv in callSegementBindingSource) { TicketsDataSet.CallSegmentsRow row = (TicketsDataSet.CallSegmentsRow)drv.Row; sb.AppendLine("**********************************"); sb.AppendLine(String.Format("CreateDate: {1}, Created by: {0}", row.USERNAME, row.CREATEDATE)); sb.AppendLine("**********************************"); rtbTickets.SelectionFont = new Font("Arial", (float)11, FontStyle.Bold); rtbTickets.SelectedText = sb.ToString(); rtbTickets.SelectionFont = new Font("Arial", (float)11, FontStyle.Regular); rtbTickets.SelectedText = row.NOTES + "\n\n"; } } However when ticketsDataSetBindingSource_CurrentChanged gets called when I select a new row in my Data Grid View callSegementBindingSource.IsBindingSuspended is set to true and my text box does not update correctly (it seems to always pull from the same row in CallSegments). Can anyone see what I am doing wrong or tell me how to unsuspend the binding so it will pull the correct data?

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  • Are there reasons why the java/spring/hibernate stack aren't popular in the web 2.0 space?

    - by Blankman
    I am really impressed with the java/spring/hibernate stack, and really want to dive in. Just curious, why are so many people using rails when java/spring/hibernate are tried and true? I guesss its because of the convention over configuration and time to launch? (spring has really gone the annotation route so less xml though). I realize this is subjective, but just looking for some thoughts on this.

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  • Visual C++ 2010 Express: extension SDK available?

    - by torn
    Allegedly, Visual C++ 2010 Express, unlike previous versions, supports third party extensions. I just downloaded the release candidate SDK for Visual Studio 2010, but the installer fails saying that I don't have Visual Studio installed (which is true since i use Visual C++ 2010 Express). Have I missed something? Is there a version of the extension SDK that works with Express?

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  • how to predict which section have to put in critical section in threading

    - by Lalit Dhake
    Hi , I am using the console application i used multi threading in the same. I just want to know which section have to put inside critical section my code is : .------------------------------------------------------------------------------. public class SendBusReachSMS { public void SchedularEntryPoint() { try { List<ActiveBusAndItsPathInfo> ActiveBusAndItsPathInfoList = BusinessLayer.GetActiveBusAndItsPathInfoList(); if (ActiveBusAndItsPathInfoList != null) { //SMSThreadEntryPoint smsentrypoint = new SMSThreadEntryPoint(); while (true) { foreach (ActiveBusAndItsPathInfo ActiveBusAndItsPathInfoObj in ActiveBusAndItsPathInfoList) { if (ActiveBusAndItsPathInfoObj.isSMSThreadActive == false) { DateTime CurrentTime = System.DateTime.Now; DateTime Bustime = Convert.ToDateTime(ActiveBusAndItsPathInfoObj.busObj.Timing); TimeSpan tsa = Bustime - CurrentTime; if (tsa.TotalMinutes > 0 && tsa.TotalMinutes < 5) { ThreadStart starter = delegate { SMSThreadEntryPointFunction(ActiveBusAndItsPathInfoObj); }; Thread t = new Thread(starter); t.Start(); t.Join(); } } } } } } catch (Exception ex) { Console.WriteLine("==========================================="); Console.WriteLine(ex.Message); Console.WriteLine(ex.InnerException); Console.WriteLine("==========================================="); } } public void SMSThreadEntryPointFunction(ActiveBusAndItsPathInfo objActiveBusAndItsPathInfo) { try { //mutThrd.WaitOne(); String consoleString = "Thread for " + objActiveBusAndItsPathInfo.busObj.Number + "\t" + " on path " + "\t" + objActiveBusAndItsPathInfo.pathObj.PathId; Console.WriteLine(consoleString); TrackingInfo trackingObj = new TrackingInfo(); string strTempBusTime = objActiveBusAndItsPathInfo.busObj.Timing; while (true) { trackingObj = BusinessLayer.get_TrackingInfoForSendingSMS(objActiveBusAndItsPathInfo.busObj.Number); if (trackingObj.latitude != 0.0 && trackingObj.longitude != 0.0) { //calculate distance double distanceOfCurrentToDestination = 4.45; TimeSpan CurrentTime = System.DateTime.Now.TimeOfDay; TimeSpan timeLimit = objActiveBusAndItsPathInfo.sessionInTime - CurrentTime; if ((distanceOfCurrentToDestination <= 5) && (timeLimit.TotalMinutes <= 5)) { Console.WriteLine("Message sent to bus number's parents: " + objActiveBusAndItsPathInfo.busObj.Number); break; } } } // mutThrd.ReleaseMutex(); } catch (Exception ex) { //throw; Console.WriteLine("==========================================="); Console.WriteLine(ex.Message); Console.WriteLine(ex.InnerException); Console.WriteLine("==========================================="); } } } Please help me in multithreading. new topic for me in .net

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  • c# Xna keydown with a delay of 1 sec

    - by bld
    Hi!. im writing a tetris in xna. i have a class with a method rotateBlocks. When i press the "Up" arrow key. i wanna have that when i hold the button down for 1 sec or more that it executes the arguments in the first else if(rotating the blocks fast) right now nothing is happening. i have declared oldState globally in the class. if i remove the gametime check in first the else if the block will rotate fast imedietley. if i try to step through the code with linebreaks the resolution get f****d up public void RotateBlocks(loadBlock lb, KeyboardState newState, GameTime gameTime) { _elapsedSeconds2 += (float)gameTime.ElapsedGameTime.TotalSeconds; if (lb._name.Equals("block1")) { if (newState.IsKeyDown(Keys.Up) && !oldState.IsKeyDown(Keys.Up)) { // the player just pressed Up if (_rotated) { lb._position[0].X -= 16; lb._position[0].Y -= 16; lb._position[2].X += 16; lb._position[2].Y += 16; lb._position[3].X += 32; lb._position[3].Y += 32; _rotated = false; } else if (!_rotated) { lb._position[0].X += 16; lb._position[0].Y += 16; lb._position[2].X -= 16; lb._position[2].Y -= 16; lb._position[3].X -= 32; lb._position[3].Y -= 32; _rotated = true; } } if (newState.IsKeyDown(Keys.Up) && oldState.IsKeyDown(Keys.Up)) { // the player is holding the key down if (gameTime.ElapsedGameTime.TotalSeconds >=1) { if (_rotated) { lb._position[0].X -= 16; lb._position[0].Y -= 16; lb._position[2].X += 16; lb._position[2].Y += 16; lb._position[3].X += 32; lb._position[3].Y += 32; _rotated = false; } else if (!_rotated) { lb._position[0].X += 16; lb._position[0].Y += 16; lb._position[2].X -= 16; lb._position[2].Y -= 16; lb._position[3].X -= 32; lb._position[3].Y -= 32; _rotated = true; } _elapsedSeconds2 = 0; } }

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  • Django-ckeditor inline error

    - by ad3w
    I'm using FeinCMS (https://github.com/feincms/feincms/) and django-ckeditor with file upload support (https://github.com/shaunsephton/django-ckeditor). I create a FeinCMS content type for RichTextField: class RichContent(models.Model): text = RichTextField(_('text')) class Meta: abstract = True verbose_name = _('Rich Text') verbose_name_plural =_('Rich Text') def render(self, **kwargs): context_instance = kwargs.get('context_instance') return render_to_string('content/page/rich_content.html', { 'page': self, }, context_instance=context_instance) But in Django admin, when i select 'Rich Text' and press 'Go', get this error in firebug console: uncaught exception: [CKEDITOR.editor] The instance "id_richcontent_set-__prefix__-text" already exists. And textarea in ckeditor do not editable.

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