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  • passing self data into a recursive function

    - by user272689
    I'm trying to set a function to do something like this def __binaryTreeInsert(self, toInsert, currentNode=getRoot(), parentNode=None): where current node starts as root, and then we change it to a different node in the method and recursivly call it again. However, i cannot get the 'currentNode=getRoot()' to work. If i try calling the funcion getRoot() (as above) it says im not giving it all the required variables, but if i try to call self.getRoot() it complains that self is an undefined variable. Is there a way i can do this without having to specify the root while calling this method?

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  • Returning data from SQL Server reporting web service call

    - by user79339
    Hi, I am generating a report that contains the version number. The version number is stored in the DB and retrieved/incremented as part of the report generation. The only problem is, I am calling SSRS via a web service call, which returns the generated report as a byte array. Is there any way to get the version number out of this generated report? For example to display a dialog that says "You generated Status Report, Version number 3". I tried passing in an output parameter and setting it inside the storedproc. Its modified when i execute it in sql management studio, but not in the reporting studio. Or atleast i can't seem to bind to the modified, post execution value (using expression "=Parameters!ReportVersion.Value"). Of course, I could get/increment the version number from database myself before calling the SSRS webservice and pass it along as a parameter to the Report, but that might cause concurrancy problems. On the whole, it just seems neater for the storedproc to access/generate a version number and return it to the ReportingEngine, which will generate the report with the version number and return the updated version number to the WebService client. Any thoughts/Ideas?

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  • Skip Lists -- ever used them?

    - by Head Geek
    I'm wondering whether anyone here has ever used a skip list. It looks to have roughly the same advantages as a balanced binary tree, but is simpler to implement. If you have, did you write your own, or use a pre-written library (and if so, what was its name)?

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  • Unique Constraint At Data Level in GAE

    - by Ngu Soon Hui
    It seems that the unique constraint is not natively supported in GAE, although one can enforce unique check before putting an object to store. But that was in January 2009, what about now? Can I specify unique constraint on a column during schema creation? i.e. class Account(db.Model): name = db.StringProperty() email = db.StringProperty() as unique # something like this @classmethod def create(cls, name, email): a = Account(name=name, email=email) a.put() return a

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  • Binary search in rotated sorted list

    - by Algorist
    I am having a sorted list which is rotated and I would like to do a binary search on that list to find the minimum element. Lets suppose initial list is {1,2,3,4,5,6,7,8} rotated list can be like {5,6,7,8,1,2,3,4} Normal binary search doesn't work in this case. Any idea how to do this.

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  • Saving CFPropertyLists To Users Folder

    - by stephen blinkhorn
    I'm trying to save a CFPropertyList to a location in the user's home folder. Using the code below I'm getting errorCode = -10 (unknown error). CFURLRef fileURL = CFURLCreateWithFileSystemPath(kCFAllocatorDefault, CFSTR("~/testfile.txt"), kCFURLPOSIXPathStyle, false ); SInt32 errorCode; Boolean status = CFURLWriteDataAndPropertiesToResource(fileURL, xmlData, NULL, &errorCode); If I change the path to something like "/testfile.txt" without the '~' then everything works. How can one save a property list to the current user's home folder? Must one obtain the user's name first and include it in the path such as /users/toffler/testfile.txt?

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  • Technique for selectively formatting data in a PowerShell pipeline and output as HTML

    - by halr9000
    Say that you want to do some fancy formatting of some tabular output from powershell, and the destination is to be html (either for a webserver, or to be sent in an email). Let's say for example that you want certain numeric values to have a different background color. Whatever. I can think of two solid programmatic ways to accomplish this: output XML and transform with XSLT, or output HTML and decorate with CSS. XSLT is probably the harder of the two (I say that because I don't know it), but from what little I recall, it has the benefit of bring able to embed the selection criteria (xpath?) for aforementioned fancy formatting. CSS on the other hand needs a helping hand. If you wanted a certain cell to be treated specially, then you would need to distinguish it from its siblings with a class, id, or something along those lines. PowerShell doesn't really have a way to do that natively, so that would mean parsing the HTML as it leaves convertto-html and adding, for example, a "emphasis" class: <td class="emphasis">32MB</td> I don't like the idea of the required text parsing, especially given that I would rather be able to somehow emphasize what needs emphasizing in Powershell before it hits HTML. Is XSLT the best way? Have suggestions for how to markup the HTML after it leaves convertto-html or ideas of a different way?

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  • JSF Open new window and display bean data

    - by JSFPRINTER
    I am running JSF 2.0 and the latest version of Primefaces 2.2RC1 I believe. I am trying to create a printer friendly window. When the user clicks on a p:commandLink I want a new window to open and display a xhtml file I have named printView.xhtml. Now I can get the window working fine using JavaScript window.open but when I open the new window it will not render any values it just displays everything as #{myBean.value}. Does anyone know how to properly open a window and extend the current scope of the application into that window so I can call all of my managed beans properly and display the values etc. etc.

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  • Interpolating data points in Excel

    - by Niels Basjes
    Hi, I'm sure this is the kind of problem other have solved many times before. A group of people are going to do measurements (Home energy usage to be exact). All of them will do that at different times and in different intervals. So what I'll get from each person is a set of {date, value} pairs where there are dates missing in the set. What I need is a complete set of {date, value} pairs where for each date withing the range a value is known (either measured or calculated). I expect that a simple linear interpolation would suffice for this project. If I assume that it must be done in Excel. What is the best way to interpolate in such a dataset (so I have a value for every day) ? Thanks. NOTE: When these datasets are complete I'll determine the slope (i.e. usage per day) and from that we can start doing home-to-home comparisons. ADDITIONAL INFO After first few suggestions: I do not want to manually figure out where the holes are in my measurement set (too many incomplete measurement sets!!). I'm looking for something (existing) automatic to do that for me. So if my input is {2009-06-01, 10} {2009-06-03, 20} {2009-06-06, 110} Then I expect to automatically get {2009-06-01, 10} {2009-06-02, 15} {2009-06-03, 20} {2009-06-04, 50} {2009-06-05, 80} {2009-06-06, 110} Yes, I can write software that does this. I am just hoping that someone already has a "ready to run" software (Excel) feature for this (rather generic) problem.

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  • onblur deletes data when submit, why?

    - by Syom
    i have the following script <input style="color: #ccc" type="text" value="something" name="country" onFocus="if (this.value == 'something') { this.value='';this.style.color='black';}" onblur="if (this.value != 'something') { this.value='something'}" /> <input type="submit" value="save" /> it works fine, but when i click on submit button, it also deletes the value "something" so, what can i do, if i want, that when i click on submit button, value doesn't delete? thanks

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  • MATLAB: draw centroids

    - by Myx
    Hello - my main question is given a feature centroid, how can I draw it in MATLAB? In more detail, I have an NxNx3 image (an rgb image) of which I take 4x4 blocks and compute a 6-dimensional feature vector for each block. I store these feature vectors in an Mx6 matrix on which I run kmeans function and obtain the centroids in a kx6 matrix, where k is the number of clusters and 6 is the number of features for each block. How can I draw these center clusters in my image in order to visualize if the algorithm is performing the way I wish it to perform? Or if anyone has any other way/suggestions on how I can visualize the centroids on my image, I'd greatly appreciate it. Thank you.

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  • What's the best way of using a pair (triple, etc) of values as one value in C#?

    - by Yacoder
    That is, I'd like to have a tuple of values. The use case on my mind: Dictionary<Pair<string, int>, object> or Dictionary<Triple<string, int, int>, object> Are there built-in types like Pair or Triple? Or what's the best way of implementing it? Update There are some general-purpose tuples implementations described in the answers, but for tuples used as keys in dictionaries you should additionaly verify correct calculation of the hash code. Some more info on that in another question. Update 2 I guess it is also worth reminding, that when you use some value as a key in dictionary, it should be immutable.

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  • Using C# to HttpPost data to a web page

    - by druffmuff
    I want to log in into a website using C# code. Here's the html code of the example form: <form action="http://www.site.com/login.php" method="post" name="login" id="login"> <table border="0" cellpadding="2" cellspacing="0"> <tbody> <tr><td><b>User:</b></td><td colspan=\"2\"><b>Password:</b></td></tr> <tr> <td><input class="inputbg" name="user" type="text"></td> <td><input class="inputbg" name="password" type="password"></td> <td><input type="submit" name="user_control" value="Submit" class="buttonbg"></td> </tr> </tbody></table> </form> This is what I have tried so far with unsuccessful results: HttpWebRequest request = (HttpWebRequest)WebRequest.Create("http://www.site.com/login.php"); request.Method = "POST"; using (StreamWriter writer = new StreamWriter(request.GetRequestStream(), Encoding.ASCII)) { writer.Write("user=user&password=pass&user_control=Eingabe"); } HttpWebResponse response = (HttpWebResponse)request.GetResponse(); using (StreamReader reader = new StreamReader(response.GetResponseStream())) { stream = new StreamWriter("login.html"); stream.Write(reader.ReadToEnd()); stream.Close(); } Any Ideas, why this is failing?

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  • [BST] Deletion procedure

    - by Metz
    Hi all. Consider the deletion procedure on a BST, when the node to delete has two children. Let's say i always replace it with the node holding the minimum key in its right subtree. The question is: is this procedure commutative? That is, deleting x and then y has the same result than deleting first y and then x? I think the answer is no, but i can't find a counterexample, nor figure out any valid reasoning. Thank you. EDIT: Maybe i've got to be clearer. Consider the transplant(node x, node y) procedure: it replace x with y (and its subtree). So, if i want to delete a node (say x) which has two children i replace it with the node holding the minimum key in its right subtree: y = minimum(x.right) transplant(y, y.right) // extracts the minimum (it doesn't have left child) y.right = x.right y.left = x.left transplant(x,y) The question was how to prove the procedure above is not commutative.

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  • wordpress -> showing custom data from child pages + pagination

    - by GaVrA
    Hello! You can see here what i am doing: http://www.arvag.net/otkrijte-svet/leto/ So its pulling 2 custom fields from child pages, one of them is just url for the image on the left, and the other field is that text showing on the right. Now, what i want to do is to add pagination there. The code i have now will just simply show all child pages, but i want to show only 5 child pages, so if user want to see 6th child page he would have to click on link for "Page 2" and so on. The code im using to display these child pages is this: <?php $pages = get_pages('child_of='.$post->ID.'&sort_column=post_title&sort_order=desc'); $count = 0; foreach($pages as $page) { $short_info = get_post_meta($page->ID,'info',true); $image = get_post_meta($page->ID,'slika',true); $count++; ?> <div class='preview_slika left'><img src="<?php echo $image ?>" alt="<?php echo $page->post_title ?>" /></div> <div class='preview_info right'> <h2><?php echo $page->post_title ?></h2> <p><?php echo $short_info ?></p> <a href="<?php echo get_page_link($page->ID) ?>">Više o >></a> </div> <div class='clear'></div> <?php } ?> So any idea what to do to get what i need?

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  • .submit() changes post data

    - by ajbeaven
    I'm posting a form with javascript and it seems to be changing a value that I've entered in. Html: <% using (Html.BeginForm("ChangeTime", "Cart", new { cartItemId = cartItem.CartItemID }, FormMethod.Post, null)) { %> <%= Html.TextBox("startTime")%> <input type="submit" value="Update" /> <% } %> JQuery: <script type="text/javascript"> $('#startTime').change(function() { $(this).parent('form').submit(); }); </script> When I put a time in the textbox (05/05/2010 06:08 am), the form is submitted, however the string as it comes through, is 05/05/2010 - with the time part removed. I see this in fiddler. If get rid of the javascript and click the button above, it goes through how it should. Why is JQuery changing my text?

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  • GridView does not display correcty sorted Data when i click column

    - by user329419
    Date column does not display in sorted in GridView using vb.net. In sql server the select query is returning records in sorted manner or in order by. But for some reason GridView does not display properly. it goes to an event preRenderComplete then it binds automatically Protected Sub Page_PreRenderComplete(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.PreRenderComplete 'Force the selections made in page_load to be shown in the gridview by causing a postback GridView1.DataBind() If GridView1.Rows.Count > 0 Then 'this is not counting correctly disable until i get it figured out '' lblMsg.Text = GridView1.Rows.Count.ToString + " Referrals" Else lblMsg.Text() = "No referrals to be processed" End If 'Turn off the Background Contolls 'If Not IsPostBack Then PanelBackendControls.Visible = False End Sub End Region _ Public Shared Function A02WF01_AdminView(ByVal strUserID As String, ByVal strTestMode As String, ByVal strSearchFieldValue As String, ByVal strDate As String) As DataTable Dim sel As String Dim conn As SqlConnection = New SqlConnection(WF01ConnectionString) If strSearchFieldValue <> "" And strTestMode = "ON" Then sel = "SELECT DISTINCT Since, WorkFlow_Step, " sel = sel & " Started_By, Client_FullName, Product_Desc, " sel = sel & " Branch_List, Event_AssignedID, DaysElapsed, Status,Instance_ID,Seq_ID,Form_Code " sel = sel & " FROM A02W01ViewAllTest " Dim WhereClause As String Dim OrderClause As String WhereClause = " WHERE ( Event_IsLatest = 1)" If strUserID <> "Admin" Then End If 'WhereClause = WhereClause + " AND WF_Start_UserID like " + "'" + strUserID + "')" WhereClause = WhereClause + " And( Started_By Like " + "'%" + strSearchFieldValue + "%'" WhereClause = WhereClause + " OR Client_FullName Like " + "'%" + strSearchFieldValue + "%'" 'WhereClause = WhereClause + " OR FullName Like " + "'%" + strSearchFieldValue + "%'" WhereClause = WhereClause + " OR Product_Desc Like " + "'%" + strSearchFieldValue + "%'" WhereClause = WhereClause + " OR Branch_List Like " + "'%" + strSearchFieldValue + "%'" WhereClause = WhereClause + " OR DaysElapsed Like " + "'%" + strSearchFieldValue + "%')" 'WhereClause = WhereClause + " OR Form_Code Like " + "'%" + strSearchFieldValue + "%')" OrderClause = " ORDER BY Since DESC" sel = sel + WhereClause + OrderClause ElseIf strSearchFieldValue <> "" And strTestMode <> "ON" Then sel = "SELECT DISTINCT Since, WorkFlow_Step, " sel = sel & " Started_By, Client_FullName, Product_Desc, " sel = sel & " Branch_List, Event_AssignedID, DaysElapsed, Status " sel = sel & " FROM A02W01ViewAll " Dim WhereClause As String Dim OrderClause As String WhereClause = " WHERE ( Event_IsLatest = 1)" If strUserID <> "Admin" Then End If 'WhereClause = WhereClause + " AND WF_Start_UserID like " + "'" + strUserID + "')" WhereClause = WhereClause + " AND( Started_By Like " + "'%" + strSearchFieldValue + "%'" WhereClause = WhereClause + " OR Client_FullName Like " + "'%" + strSearchFieldValue + "%'" 'WhereClause = WhereClause + " OR Client_LastName Like " + "'%" + strSearchFieldValue + "%'" WhereClause = WhereClause + " OR Product_Desc Like " + "'%" + strSearchFieldValue + "%'" WhereClause = WhereClause + " OR Branch_List Like " + "'%" + strSearchFieldValue + "%'" WhereClause = WhereClause + " OR DaysElapsed Like " + "'%" + strSearchFieldValue + "%'))" 'WhereClause = WhereClause + " OR Form_Code Like " + "'%" + strSearchFieldValue + "%'))" OrderClause = " ORDER BY Since DESC" sel = sel + WhereClause + OrderClause End If If strTestMode <> "ON" And strSearchFieldValue = "" Then sel = "SELECT DISTINCT Since, WorkFlow_Step, " sel = sel & " Started_By, Client_LastName, Client_FullName, Product_Desc, " sel = sel & " Branch_List, Event_AssignedID, DaysElapsed, Status " sel = sel & " FROM A02W01ViewAll " Dim WhereClause As String Dim OrderClause As String WhereClause = " WHERE Event_IsLatest = 1" 'WhereClause = WhereClause + " AND (Event_IsLatest = 1) " OrderClause = " ORDER BY Since DESC" sel = sel + WhereClause + OrderClause Else If strSearchFieldValue = "" And strTestMode = "ON" And strDate = "" Then sel = "SELECT DISTINCT Since, WorkFlow_Step, " sel = sel & " Started_By, Client_FullName, Product_Desc, " sel = sel & " Branch_List, Event_AssignedID, DaysElapsed, Status, Instance_ID,Seq_ID,Form_Code " sel = sel & " FROM A02W01ViewAllTest " Dim WhereClause As String Dim OrderClause As String WhereClause = " WHERE Event_IsLatest = 1" 'Display everything for Admin ' Comment below code 'If strUserID <> "Admin" Then WhereClause = WhereClause + " AND WF_Start_UserID like " + "'" + strUserID + "'" OrderClause = " ORDER BY Since DESC" sel = sel + WhereClause + OrderClause ElseIf strSearchFieldValue = "" And strTestMode = "ON" And strDate <> "" Then sel = "" sel = sel & "SELECT TOP 100 PERCENT Since, WorkFlow_Step, " sel = sel & "Started_By, Client_Fullname, Product_Desc, " sel = sel & "Branch_List, Event_AssignedID, DaysElapsed, Status, " sel = sel & "Instance_ID, Seq_ID, Form_Code " sel = sel & " FROM A02W01ViewDistinct " Dim WhereClause As String Dim OrderClause As String WhereClause = " WHERE Event_IsLatest = 1" 'Display everything for Admin ' Comment below code 'If strUserID <> "Admin" Then WhereClause = WhereClause + " AND WF_Start_UserID like " + "'" + strUserID + "'" OrderClause = " ORDER BY YEAR(Since) DESC, MONTH(Since) DESC, DAY(Since) DESC" sel = sel + WhereClause + OrderClause End If End If Dim da As SqlDataAdapter = New SqlDataAdapter(sel, conn) Dim ds As DataSet = New DataSet() Try conn.Open() da.Fill(ds, "odsA02_Tracking") conn.Close() Catch e As SqlException WFClassLib.PageError() Finally conn.Close() End Try If ds.Tables("odsA02_Tracking") IsNot Nothing Then _ Return ds.Tables("odsA02_Tracking") 'Return ds 'If ds.Tables("odsA02_Tracking") Is Nothing Then Return Nothing 'End If End Function BorderStyle="Outset" CellPadding="4" DataSourceID="odsA02_Tracking" ForeColor="#333333" GridLines="Vertical" Style="border-right: #0000ff thin solid; table-layout: auto; border-top: #0000ff thin solid; font-size: x-small; border-left: #0000ff thin solid; border-bottom: #0000ff thin solid; font-family: Arial; border-collapse: separate" Font-Size="Small" PageSize="30" <Columns> <asp:CommandField ShowSelectButton="True" /> <asp:boundfield datafield="Since" HeaderText="Submit Date" ReadOnly=True SortExpression="Since" /> <asp:BoundField DataField="Started_By" HeaderText="Submitted By" SortExpression="Started_By" /> <asp:BoundField DataField="Client_FullName" HeaderText="Client Name" ReadOnly="True" SortExpression="Client_FullName" /> <asp:BoundField DataField="Product_Desc" HeaderText="Product" ReadOnly="True" SortExpression="Product_Desc" /> <asp:BoundField DataField="Branch_List" HeaderText="Branch" ReadOnly="True" SortExpression="Branch_List" /> <asp:BoundField DataField="Event_AssignedID" HeaderText="Assigned To" ReadOnly="True" SortExpression="Event_AssignedID" /> <asp:BoundField DataField="DaysElapsed" HeaderText="Days Open" ReadOnly="True" SortExpression="DaysElapsed" /> <asp:BoundField DataField="Status" HeaderText="Status" SortExpression="Status" /> <asp:TemplateField> <ItemTemplate> <asp:HiddenField ID=hdnInstanceID Value='<%#Eval("Instance_ID") %>' runat=server> </asp:HiddenField> </ItemTemplate> </asp:TemplateField> <asp:TemplateField> <ItemTemplate> <asp:HiddenField ID=hdnSeqID Value='<%#Eval("Seq_ID") %>' runat=server/> </ItemTemplate> </asp:TemplateField> <asp:TemplateField> <ItemTemplate> <asp:HiddenField ID=hdnFormCode Value='<%#Eval("Form_Code") %>' runat=server/> </ItemTemplate> </asp:TemplateField> </Columns> </asp:GridView> &nbsp;&nbsp; <asp:Label ID="lblMsg" runat="server" Style="font-size: small; color: red; font-family: Arial" Width="525px" Font-Bold="True"></asp:Label><br /> <br /> <asp:Button ID="btnReturn" runat="server" Text="Return" /><br /> <br /> <asp:Label ID="lbltxtUserID" runat="server" Text="txtUserID" Visible="False"></asp:Label> <asp:TextBox ID="txtUserID" runat="server" Visible="False" Width="226px"></asp:TextBox><br /> <asp:Label ID="label4" runat="server" Text="TestModeOn" Visible="false"></asp:Label> <asp:TextBox ID="TestModeOn" runat="server" Visible="False" Width="226px"></asp:TextBox><br /> <br /> <asp:Label ID="lblSearchUserEntered" runat="server" Visible="false" Text="searchText" ></asp:Label> <asp:TextBox ID="searchText" runat="server" Visible="False" Width ="226px" ></asp:TextBox> <br /> <asp:Label ID="Label1" runat="server" Text="txtInstance_ID" Visible="False"></asp:Label> <asp:TextBox ID="txtInstance_ID" runat="server" Visible="False" Width="226px"></asp:TextBox><br /> <asp:Label ID="Label2" runat="server" Text="txtSeq_ID" Visible="False"></asp:Label> <asp:TextBox ID="txtSeq_ID" runat="server" Visible="False" Width="226px"></asp:TextBox><br /> <asp:Label ID="Label3" runat="server" Text="txtForm_Code" Visible="False"></asp:Label> <asp:TextBox ID="txtForm_Code" runat="server" Visible="False" Width="226px"></asp:TextBox><br /> <br /> <asp:Label ID="lblSince" runat="server" Visible="false" Text="Since" ></asp:Label> <asp:TextBox ID="SortSince" runat="server" Visible="False" Width ="226px" ></asp:TextBox> <br /> <br /> <asp:ObjectDataSource ID="odsA02_Tracking" runat="server" OldValuesParameterFormatString="original_{0}" SelectMethod="A02WF01_AdminView" TypeName="WFA02DataObjects"> <SelectParameters> <asp:ControlParameter ControlID="txtUserID" Name="strUserID" PropertyName="Text" Type="String" /> <asp:ControlParameter ControlID="TestModeOn" Name="strTestMode" PropertyName="Text" Type="String" /> <asp:ControlParameter ControlID="searchText" Name="strSearchFieldValue" PropertyName="Text" Type="String" /> <asp:ControlParameter ControlID="SortSince" Name="strDate" PropertyName="Text" Type="String" /> </SelectParameters> </asp:ObjectDataSource> </div> </form>

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