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  • android : listview customization

    - by Puneet kaur
    hi, it is possible to have single listview with 2 or more columns ,which is operatable with paging property (i.e. at a time listview will show only 4 items in single column and on press of right arrow it will show next 4 items ).. can u please tell me he procedure to implement it or any idea. Thanks puneet

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  • iPhone dev on Linux

    - by Daziplqa
    Hi guyz, Actually I have read about that I can write Objective-C app on Linux (using GNUStep). But my question is, Am I will be able to develop completely iPhone app on Linux machine? Or I'll need eventually need to use Mac machine? Especially when I read that there are some some syntax diffs between NeXT/Apple and GCC (according to http://en.wikipedia.org/wiki/Objective-C)

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  • Mercurial error: abort no username supplied

    - by Kevin Won
    Problem on WindowsXP (likely will happen on all Win installs), first time using Mercurial. I found the answer in an inobvious place so I'm asking/answering the question myself so others don't have to search like I did. First time using Mercurial on machine. Add new repoz: c:\bla\>hg add no problem. Next, commit: c:\bla\hg commit error: abort: no username supplied (see "hg help config")

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  • MSGBOX position in WSH/VBS

    - by matthias
    Hello, here is my next question and i hope some one can help me :-) Is it possible to position a msgbox in wsh/vbs? I need the msgbox everytime in the foreground. I know that how to position a inputbox, but not a msgbox. Thanks for help. Greetings, matthias

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  • Python iterator question

    - by hdx
    I have this list: names = ['john','Jonh','james','James','Jardel'] I want loop over the list and handle consecutive names with a case insensitive match in the same iteration. So in the first iteration I would do something with'john' and 'John' and I want the next iteration to start at 'james'. I can't think of a way to do this using Python's for loop, any suggestions?

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  • Is there an analog for the VI '.' command to repeat-last-typed-text

    - by Don
    I've used emacs for decades and always wondered, but kept on coding, if there was a way to type in something, them move the cursor and insert the same text, like the VI . command. Instead what I do is to type the text, set the mark, backup, copy the region, go to the next spot (often just C-n, down one line) and then pre-arg yank, C-u C-y. It's the overhead of set mark, backup and copy region that makes me just go ahead and retype the thing.

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  • What was your most useful/inspiring computer science course?

    - by MPelletier
    I'm currently taking one course per semester, remotely, in a short 5 year program. My aim is to get better at my trade (programming and analysis, not surprisingly). However, I find that I'm not inspired by my choice of classes for next semester. Maybe I'm being too judgmental. I'd like to know what positive experience was gained from a course in particular. Have ou had a course that turned out to be an idea catalyst?

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  • Sorted list of file names in a folder in VBA?

    - by Karsten W.
    Is there a way to get a sorted list of file names of a folder in VBA? Up to now, I arrived at Dim fso As Object Dim objFolder As Object Dim objFileList As Object Dim vFile As Variant Dim sFolder As String sFolder = "C:\Docs" Set fso = CreateObject("Scripting.FileSystemObject") Set objFolder = fso.GetFolder(sFolder) Set objFileList = objFolder.Files For Each vFile In objFileList ' do something ' Next vFile but it is crucial to be sure the processing order of the for loop is determined by the file names... Any help appreciated!

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  • Removing DB2INSTDEF value from registry

    - by Peter
    Database: DB2 v9.5 on AIX Scenario: I have 2 instances- db2inst1 and db2inst2. I created db2inst1 first. I went ahead and created db2inst2 next and I do 'db2set -all' on db2inst2 instance I see this: [g] DB2INSTDEF=db2inst1 I would like to reset DB2INSTDEF and make it not show up when I do 'db2set -all' (other than dropping and recreating db2inst1). Thanks.

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  • how can I check my rsa passphrase?

    - by joachim
    I think I've forgotten my RSA passphrase again. Is there a way to have my local command line prompt me for it so I can check if I at least what I remember it as is correct, so I don't needlessly change it? Next time I'm writing it on a post-it ;)

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  • Sync LINQ-to-SQL DBML schema with SQL Server database

    - by Maxim Z.
    After creating a SQL Server 2008 database, I made a Linq-to-SQL schema in Visual Studio. Next, in the .dbml visual editor (in Visual Studio), I added PK-to-FK and PK-to-PK associations to the schema. How do I copy those associations that I created in Visual Studio over to the database? In other words, how do I sync with the DB?

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  • jquery datepicker: validate date mm/dd/yyyy

    - by Abu Hamzah
    i have a textbox adn a datepicker next to it and i am using asp.net and the user can enter the date as well select the date from datepicker. how would you validate if the date is entered correct? <script type="text/javascript"> $(document).ready(function () { $('#<%=StartDate.ClientID%>').datepicker({ showOn: 'button', buttonImage: '../images/Calendar.png', buttonImageOnly: true, onSelect: function () { }, onClose: function () { $(this).focus(); } }); }); </script>

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  • healthy DLL reference broken after compile multi-project solution

    - by Code Sherpa
    Hi. I have a solution with multiple class libraries. When I compile each individual library (and the web site by itself) compilation always succeeds. But, when I compile the solution as a whole, one of the library references fails with a little yellow exclamation mark next to the failed library. I am guessing this has to do with the build order? Can somebody suggest what i have to do to resolve this? Thanks in advance.

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  • SmoApplication.EnumAvailableSqlServers returns server names but not instance names (but only on one

    - by Matma
    Hi, There are a number of questions about this and a number of possible causes and thus far ive tried them all with no success. situation: i have an app that needs a db to work, onstartup it does a SmoApplication.EnumAvailableSqlServers(false) to get all the instances on the network, shows the user a dropdown, they pick one and i go connect to my db on that server. all good problem: this works on my machine, the guys next to me and others. HOWEVER it doesnt work on one of the tech guys machines (and potentially others). we are all on the same network domain, physically connected (no wireless), all logged on with network user names, all running the same sql express 2005 sp3, though im using win7 the other guys are running xppro. MSSMS on all machines can see all the instances when you select "Browse for more". yet on this one tech guys machine it lists his local instance (since its hardcoded to) and all the network servers, but has no instances names? i.e. .sqlexpress server1 server2 server3 server4 but on my machine and others we get: .sqlexpress server1/sqlexpress server2/sqlexpress server3/sqlexpress server4/sqlexpress the code im using: ' .... some code ' this populates my datatable dtServers = SmoApplication.EnumAvailableSqlServers(False) '.... some code '.... then later i ShowServers(...) Private dtServers As DataTable = Nothing Private Sub ShowServers(ByVal SQLInstance As String) ' Create a DataTable where we enumerate the available servers cmbServer.Items.Clear() cmbDatabase.Items.Clear() ' If there are any (network listed) servers at all If (dtServers.Rows.Count > 0) Then ' Loop through each server in the DataTable For Each drServer As DataRow In dtServers.Rows ' Add the name to the combobox cmbServer.Items.Add(drServer("Server") & "\" & drServer("Instance")) Next End If 'To make life simpler (add the local instance of sql express): cmbServer.Items.Add(SQLInstance) ' select first item If cmbServer.Items.Count > 0 Then cmbServer.SelectedIndex = 0 End If End Sub now i know this uses udp and its not 100%, but how come his machine is 100% consistent in not showing remote instances, and mine is 100 consistent showing them. even a udl file on his desktop cant see them, regarldess of provider i choose to use? some of the suggestions are to uninstall and re-install, but that doesnt seem like a solution as i (and most others) can see the instances, but one guy cant. this suggests its not the remote sql server but rather the local machine. Notes: ive tried firewall 1433, 1434 i can connect using a udl with full SERVERNAME\INSTANCENAME the browser service is running locally and on the remote machine ive tried stopping and restarting both the browser service on the local and remote machine. Ideas?

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  • Add a custom button to titlebar in Windows Mobile 5

    - by Vaccano
    Is there a way to add a button to the title bar in windows mobile 5? (Next to the X or OK button.) I have an app that locks the users out of the start button, so I need to create an alternate way of launching the help file. Failing the title bar, I will look for a way to customize what a hardware button does. I am using C#.

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  • open new window javascript

    - by Midhat
    I have a window.open call in a page, whose window itself is opened by a window.open call. So there are 2 windows already on the screen Now On the next window.open call: IE7 opens a new window Firefox opens a new tab in the topmost parent window Chrome opens a new tab in current window Is it possible to make this behaviour same in all three browsers. (preferably like #3) Edit : my call is rly simple javascript:window.open("Attachment.aspx?docid=42")

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  • Convert time to decimals in .net

    - by henrico
    Is there an easy way to present time (hh:mm) as a decimal value? Example, 01:08 should become 1,13. I have an asp:textbox masked (ajax) as time with the mask format "99:99". Next to this box I need to present the entered value as decimal. <asp:TextBox ID="time" runat="server" /> hh:mm ([time in decimal format]) <ajaxToolkit:MaskedEditExtender runat="server" Mask="99:99" TargetControlID="time" MaskType="Time" />

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  • Code Golf: Numeric Equivalent of an Excel Column-Name

    - by Vivin Paliath
    Can you figure out the numeric equivalent of an Excel column string in the shortest-possible way, using your favorite language? For example, the A column is 1, B is 2, so on and so forth. Once you hit Z, the next column becomes AA, then AB and so on. Rules: Here is some sample input and output: A: 1 B: 2 AD: 30 ABC: 731 WTF: 16074 ROFL: 326676 I don't know if the submitter is allowed to post a solution, but I have a Perl solution that clocks in at 125 characters :).

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  • Javascipt select a sentence in textarea

    - by John Adawan
    I'm thinking if there is a way to use javascript to pick up ANY ONE sentence from a textarea simply by clicking any position within that sentence. I'm thinking along the line of - first, get current cursor position (which I know how) - second, somehow locate the position of the previous fullstop and the next fullstop (how?) - take whatever content within the two fullstops. (how?) Or there is a simple way to do it?

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  • How can you do Co-routines using C#?

    - by WeNeedAnswers
    In python the yield keyword can be used in both push and pull contexts, I know how to do the pull context in c# but how would I achieve the push. I post the code I am trying to replicate in c# from python: def coroutine(func): def start(*args,**kwargs): cr = func(*args,**kwargs) cr.next() return cr return start @coroutine def grep(pattern): print "Looking for %s" % pattern try: while True: line = (yield) if pattern in line: print line, except GeneratorExit: print "Going away. Goodbye"

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  • Help with chat server

    - by mithun1538
    I am designing a chat server in java. The communication is Http based and not socket based. In the client side I have an applet. In the server side I have a servlet. Applet: I create a new thread to listen for incoming messages(GET method). The main thread is used to send messages(POST messages). The partial code is : public void start() { System.out.println("Creating new thread"); Thread thread = new Thread(this); thread.start(); } private String getNewMessage() { System.out.println("Inside getNewMessage"); String msg = null; try { while(msg == null) { System.out.println("Trying to listen to servlet"); URL servlet = new URL(getCodeBase(), "NewServlet?mode=msg"); URLConnection con = servlet.openConnection(); con.setUseCaches(false); DataInputStream din = new DataInputStream(new BufferedInputStream(con.getInputStream())); msg = din.readUTF(); System.out.println("message read :" + msg); } } catch (Exception e) { e.printStackTrace(); } return msg + "\n"; } public void run() { System.out.println("Inside new thread"); while(true) { System.out.println("inside first while"); String newMsg = getNewMessage(); chatOutput.append(newMsg); System.out.println("Appended!!"); } } private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) { String message = chatInput.getText(); chatInput.setText(""); chatOutput.append(message + "\n"); try { System.out.println("Trying to send msg :" + message); URL url = new URL(getCodeBase(), "NewServlet"); URLConnection servletConnection = url.openConnection(); servletConnection.setDoInput(true); servletConnection.setDoOutput(true); servletConnection.setUseCaches(false); servletConnection.setRequestProperty("Content-Type", "application/octet-stream"); ObjectOutputStream out = new ObjectOutputStream(servletConnection.getOutputStream()); out.writeObject(message); out.flush(); out.close(); System.out.println("Message sent!"); } catch (Exception e) { e.printStackTrace(); } } This next code is from the servlet side. it uses the Observable interface to identify and send messages to clients. public class NewServlet extends HttpServlet { // getNextMessage() returns the next new message. // It blocks until there is one. public String getNextMessage() { // Create a message sink to wait for a new message from the // message source. System.out.println("inside getNextMessage"); return new MessageSink().getNextMessage(source);} @Override protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { System.out.println("Inside Doget"); response.setContentType("text/plain"); PrintWriter out = response.getWriter(); out.println(getNextMessage()); } // broadcastMessage() informs all currently listening clients that there // is a new message. Causes all calls to getNextMessage() to unblock. public void broadcastMessage(String message) { // Send the message to all the HTTP-connected clients by giving the // message to the message source source.sendMessage(message); } @Override protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { System.out.println("Inside DoPost"); try { ObjectInputStream din= new ObjectInputStream(request.getInputStream()); String message = (String)din.readObject(); System.out.println("received msg"); if (message != null) broadcastMessage(message); System.out.println("Called broadcast"); // Set the status code to indicate there will be no response response.setStatus(response.SC_NO_CONTENT); } catch (Exception e) { e.printStackTrace(); } } /** * Returns a short description of the servlet. * @return a String containing servlet description */ @Override public String getServletInfo() { return "Short description"; } MessageSource source = new MessageSource();} class MessageSource extends Observable { public void sendMessage(String message) { System.out.println("inside sendMsg"); setChanged(); notifyObservers(message); } } class MessageSink implements Observer { String message = null; // set by update() and read by getNextMessage() // Called by the message source when it gets a new message synchronized public void update(Observable o, Object arg) { // Get the new message message = (String)arg; // Wake up our waiting thread notify(); } // Gets the next message sent out from the message source synchronized public String getNextMessage(MessageSource source) { // Tell source we want to be told about new messages source.addObserver(this); System.out.println("AddedObserver"); // Wait until our update() method receives a message while (message == null) { try { wait(); } catch (Exception ignored) { } } // Tell source to stop telling us about new messages source.deleteObserver(this); // Now return the message we received // But first set the message instance variable to null // so update() and getNextMessage() can be called again. String messageCopy = message; message = null; System.out.println("Returning msg"); return messageCopy; } } As you can see I have included System.out.println("Some message"); in some places. this was just for debugging purposes. In java console, i get the following output: Creating new thread Inside new thread. inside first while. Inside getNewMessage. Trying to listen to servlet. In the servlet side, i get the following output in the tomcat logs: Inside Doget. inside getNextMessage. AddedObserver. After i type a message in the applet, and send it, I get the foll output in java console: Trying to send msg :you deR?? Message sent! But in servlet side, I dont get anything in the logs. I used the O'Reily Java Servlet Programming as reference(The observer interface comes from there). But I am not getting any chat communication between two clients. As can be understood from the logs, the POST method is not called. Any reason for this?

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