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• How can I use Web Services Core to send a complex type as a parameter to a SOAP API method

  - by Matthew Brindley

  I don't do much Cocoa programming, so I'm probably missing something obvious, so please excuse the basic question. I have a SOAP method that expects a complex type as a paramater. Here's some WSDL: <s:element name="SaveTestResult"> <s:complexType> <s:sequence> <s:element minOccurs="0" maxOccurs="1" name="result" type="tns:TestItemResponse" /> </s:sequence> </s:complexType> </s:element> Here's the definition of the complex type "TestItemResponse": <s:complexType name="TestItemResponse"> <s:sequence> <s:element minOccurs="1" maxOccurs="1" name="TestItemRequestId" type="s:int" /> <s:element minOccurs="1" maxOccurs="1" name="ExternalId" type="s:int" /> <s:element minOccurs="0" maxOccurs="1" name="ApiId" type="s:string" /> <s:element minOccurs="0" maxOccurs="1" name="InboxGuid" type="s:string" /> <s:element minOccurs="0" maxOccurs="1" name="SpamResult" type="tns:SpamResult" /> <s:element minOccurs="0" maxOccurs="1" name="ResultImageSet" type="tns:ResultImageSet" /> <s:element minOccurs="1" maxOccurs="1" name="ExclusiveUseMailAccountId" type="s:int" /> <s:element minOccurs="1" maxOccurs="1" name="State" type="tns:TestItemResponseState" /> <s:element minOccurs="0" maxOccurs="1" name="ErrorShortDescription" type="s:string" /> <s:element minOccurs="0" maxOccurs="1" name="ErrorFullDescription" type="s:string" /> </s:sequence> </s:complexType> I've been using Web Services Core to call a SOAP API method that requires a simple string param, that works great. That same method returns a complex type which WSC converted into nested NSDictionaries, so no problems there. So I assumed I'd be able to convert my local TestItemResponse class into an NSDictionary and then use that as the complex type param. It almost worked, but unfortunately WSC set the object's type as "Dictionary", instead of "TestItemResponse", and the server complained. <TestItemResponse xsi:type=\"SOAP-ENC:Dictionary\"> <ErrorFullDescription xsi:type=\"xsd:string\">foo</ErrorFullDescription> ... I can't seem to find anything that allows you to override the type WSC assigns to the element in the SOAP XML. I've been using code adapted from here, I'm happy to list it, it's just quite long and this is already the longest SO question I've ever posted.

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• missing elements from pcap?

  - by Matthew

  When I check the attributes available to the module pcap, I expect to see something like 'DLT_AIRONET_HEADER', 'DLT_APPLE_IP_OVER_IEEE1394', 'DLT_ARCNET', 'DLT_ARCNET_LINUX', 'DLT_ATM_CLIP', 'DLT_ATM_RFC1483', 'DLT_AURORA', 'DLT_AX25', 'DLT_CHAOS', 'DLT_CISCO_IOS', 'DLT_C_HDLC', 'DLT_DOCSIS', 'DLT_ECONET', 'DLT_EN10MB', 'DLT_EN3MB', 'DLT_ENC', 'DLT_FDDI', 'DLT_FRELAY', 'DLT_IEEE802', 'DLT_IEEE802_11', 'DLT_IEEE802_11_RADIO', 'DLT_IEEE802_11_RADIO_AVS', 'DLT_IPFILTER', 'DLT_IP_OVER_FC', 'DLT_JUNIPER_ATM1', 'DLT_JUNIPER_ATM2', 'DLT_JUNIPER_ES', 'DLT_JUNIPER_GGSN', 'DLT_JUNIPER_MFR', 'DLT_JUNIPER_MLFR', 'DLT_JUNIPER_MLPPP', 'DLT_JUNIPER_MONITOR', 'DLT_JUNIPER_SERVICES', 'DLT_LINUX_IRDA', 'DLT_LINUX_SLL', 'DLT_LOOP', 'DLT_LTALK', 'DLT_NULL', 'DLT_PFLOG', 'DLT_PPP', 'DLT_PPP_BSDOS', 'DLT_PPP_ETHER', 'DLT_PPP_SERIAL', 'DLT_PRISM_HEADER', 'DLT_PRONET', 'DLT_RAW', 'DLT_RIO', 'DLT_SLIP', 'DLT_SLIP_BSDOS', 'DLT_SUNATM', 'DLT_SYMANTEC_FIREWALL', 'DLT_TZSP', 'builtins', 'doc', 'file', 'name', '_newclass', '_object', '_pcap', '_swig_getattr', '_swig_setattr', 'aton', 'dltname', 'dltvalue', 'findalldevs', 'lookupdev', 'lookupnet', 'ntoa', 'pcapObject', 'pcapObjectPtr'] With note on pcapObject. However, all I get when running dir(pcap) is ['DLT_ARCNET', 'DLT_AX25', 'DLT_CHAOS', 'DLT_EN10MB', 'DLT_EN3MB', 'DLT_FDDI', 'DLT_IEEE802', 'DLT_LINUX_SLL', 'DLT_LOOP', 'DLT_NULL', 'DLT_PFLOG', 'DLT_PFSYNC', 'DLT_PPP', 'DLT_PRONET', 'DLT_RAW', 'DLT_SLIP', 'author', 'builtins', 'copyright', 'doc', 'file', 'license', 'name', 'url', 'version', 'bpf', 'dltoff', 'ex_name', 'lookupdev', 'pcap', 'sys'] Noting the lack of pcapObject. Why is this? What could cause this?

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• How do I resize a Google Map with JavaScript after it has loaded?

  - by Matthew James Taylor

  I have a 'mapwrap' div set to 400px x 400px and inside that I have a Google 'map' set to 100% x 100%. So the map loads at 400 x 400px, then with JavaScript I resize the 'mapwrap' to 100% x 100% of the screen - the google map resizes to the whole screen as I expected but tiles start disappearing before the right hand edge of the page. Is there a simple function I can call to cause the Google map to re-adjust to the larger size 'mapwrap' div?

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• Parsing a UTF-16 encoded xml file in ruby with REXML

  - by Matthew Toohey

  Hello, I'm trying to parse the following UTF-16 encoded xml file in REXML: http://www.abc.net.au/triplej/feeds/playout/triplejsydneyplayout.xml?_523525 REXML encounters an error after the following: >> require 'rexml/document' => true >> include REXML => Object >> require 'net/http' => true >> triplejString = Net::HTTP.get('www.abc.net.au', '/triplej/feeds/playout/triplejsydneyplayout.xml?_523525') => "\377\376<\000?\000x\000m\000l\000 \000v\000e\000r\000s\000i\000o\000n\000=\000\"\0001\000.\0000\000\"\000 \000e\000n\000c\000o\000d\000i\000n\000g\000=\000\"\000u\000t\000f\000-\0001\0006\000\"\000?\000>\000<\000a\000b\000c\000m\000u\000s\000i\000c\000_\000p\000l\000a\000y\000o\000u\000t\000>\000<\000c\000h\000a\000n\000n\000e\000l\000>\000J\000J\000J\000<\000/\000c\000h\000a\000n\000n\000e\000l\000>\000<\000p\000u\000b\000l\000i\000s\000h\000t\000i\000m\000e\000>\000F\000r\000i\000,\000 \0003\0000\000 \000A\000p\000r\000 \0002\0000\0001\0000\000 \0001\0001\000:\0005\0007\000:\0001\0007\000 \000G\000M\000T\000<\000/\000p\000u\000b\000l\000i\000s\000h\000t\000i\000m\000e\000>\000<\000i\000t\000e\000m\000s\000>\000<\000i\000t\000e\000m\000>\000<\000p\000l\000a\000y\000i\000n\000g\000>\000n\000o\000w\000<\000/\000p\000l\000a\000y\000i\000n\000g\000>\000<\000t\000i\000t\000l\000e\000>\000D\000o\000c\000t\000o\000r\000,\000 \000D\000o\000c\000t\000o\000r\000<\000/\000t\000i\000t\000l\000e\000>\000<\000t\000r\000a\000c\000k\000i\000d\000>\000<\000/\000t\000r\000a\000c\000k\000i\000d\000>\000<\000p\000l\000a\000y\000e\000d\000t\000i\000m\000e\000>\000F\000r\000i\000,\000 \0003\0000\000 \000A\000p\000r\000 \0002\0000\0001\0000\000 \0001\0001\000:\0005\0007\000:\0001\0007\000 \000G\000M\000T\000<\000/\000p\000l\000a\000y\000e\000d\000t\000i\000m\000e\000>\000<\000p\000u\000b\000l\000i\000s\000h\000e\000r\000>\000<\000/\000p\000u\000b\000l\000i\000s\000h\000e\000r\000>\000<\000d\000a\000t\000e\000c\000o\000p\000y\000r\000i\000g\000h\000t\000e\000d\000>\0002\0000\0000\0003\000<\000/\000d\000a\000t\000e\000c\000o\000p\000y\000r\000i\000g\000h\000t\000e\000d\000>\000<\000d\000u\000r\000a\000t\000i\000o\000n\000>\0001\0006\0003\000<\000/\000d\000u\000r\000a\000t\000i\000o\000n\000>\000<\000a\000u\000s\000t\000>\000N\000o\000<\000/\000a\000u\000s\000t\000>\000<\000t\000r\000a\000c\000k\000n\000o\000t\000e\000>\000<\000/\000t\000r\000a\000c\000k\000n\000o\000t\000e\000>\000<\000t\000r\000a\000c\000k\000l\000i\000n\000k\000>\000<\000/\000t\000r\000a\000c\000k\000l\000i\000n\000k\000>\000<\000s\000h\000o\000w\000>\000<\000/\000s\000h\000o\000w\000>\000<\000t\000a\000l\000e\000n\000t\000>\000<\000/\000t\000a\000l\000e\000n\000t\000>\000<\000a\000l\000b\000u\000m\000>\000<\000a\000l\000b\000u\000m\000n\000a\000m\000e\000>\000D\000r\000i\000v\000i\000n\000g\000 \000F\000o\000r\000 \000T\000h\000e\000 \000S\000t\000o\000r\000m\000/\000D\000o\000c\000t\000o\000r\000 \000D\000o\000c\000t\000o\000r\000<\000/\000a\000l\000b\000u\000m\000n\000a\000m\000e\000>\000<\000a\000l\000b\000u\000m\000i\000d\000>\0008\0003\000-\0004\0002\0002\0006\0009\000<\000/\000a\000l\000b\000u\000m\000i\000d\000>\000<\000a\000l\000b\000u\000m\000i\000m\000a\000g\000e\000>\000h\000t\000t\000p\000:\000/\000/\000w\000w\000w\000.\000a\000b\000c\000.\000n\000e\000t\000.\000a\000u\000/\000t\000r\000i\000p\000l\000e\000j\000/\000c\000o\000v\000e\000r\000s\000/\000G\000y\000r\000o\000s\000c\000o\000p\000e\000 \000-\000 \000D\000r\000i\000v\000i\000n\000g\000 \000F\000o\000r\000 \000T\000h\000e\000 \000S\000t\000o\000r\000m\000/\000D\000o\000c\000t\000o\000r\000 \000D\000o\000c\000t\000o\000r\000 \000(\0002\0000\0000\0003\000)\000.\000j\000p\000g\000<\000/\000a\000l\000b\000u\000m\000i\000m\000a\000g\000e\000>\000<\000/\000a\000l\000b\000u\000m\000>\000<\000a\000r\000t\000i\000s\000t\000>\000<\000a\000r\000t\000i\000s\000t\000n\000a\000m\000e\000>\000G\000y\000r\000o\000s\000c\000o\000p\000e\000<\000/\000a\000r\000t\000i\000s\000t\000n\000a\000m\000e\000>\000<\000a\000r\000t\000i\000s\000t\000i\000d\000>\000<\000/\000a\000r\000t\000i\000s\000t\000i\000d\000>\000<\000a\000r\000t\000i\000s\000t\000n\000o\000t\000e\000>\000<\000/\000a\000r\000t\000i\000s\000t\000n\000o\000t\000e\000>\000<\000a\000r\000t\000i\000s\000t\000l\000i\000n\000k\000>\000<\000/\000a\000r\000t\000i\000s\000t\000l\000i\000n\000k\000>\000<\000/\000a\000r\000t\000i\000s\000t\000>\000<\000/\000i\000t\000e\000m\000>\000<\000/\000i\000t\000e\000m\000s\000>\000<\000/\000a\000b\000c\000m\000u\000s\000i\000c\000_\000p\000l\000a\000y\000o\000u\000t\000>\000" >> xmlDoc = REXML::Document.new(triplejString) REXML::ParseException: #<REXML::ParseException: malformed XML: missing tag start Line: Position: Last 80 unconsumed characters: <?xml version="1.0" encoding="utf-16"?><a> /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rexml/parsers/baseparser.rb:356:in `pull' /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rexml/parsers/treeparser.rb:22:in `parse' /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rexml/document.rb:227:in `build' /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rexml/document.rb:43:in `initialize' (irb):19:in `new' (irb):19:in `irb_binding' /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/irb/workspace.rb:52:in `irb_binding' /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/irb/workspace.rb:52 ... malformed XML: missing tag start Line: Position: Last 80 unconsumed characters: <?xml version="1.0" encoding="utf-16"?><a Line: Position: Last 80 unconsumed characters: <?xml version="1.0" encoding="utf-16"?><a from /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rexml/parsers/treeparser.rb:92:in `parse' from /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rexml/document.rb:227:in `build' from /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rexml/document.rb:43:in `initialize' from (irb):19:in `new' from (irb):19 Any ideas?

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• WPF binding not updating until after another action

  - by Matthew Stanford

  I have an observable collection bound to a listbox in WPF. One of the options in the window is to use an OpenFileDialog to add an item to the listbox with certain properties. When I use the OpenFileDialog it immeditaely sets two of the properties of the new item in the observable collection. I am using INotifyPropertyChanged to update the listbox. These two new properties are set correctly and now the listbox should display the title contained in the new title property and the title textbox which is bound to the listbox should display the new title as well. However, neither displays the new title upon the closing of the OpenFileDialog and when I click on another item in the listbox and come back to the item I have just changed it updates the title textbox but the title displayed in the list box is not changed until i move the item in the list box that I want to change. Here is the Binding code. ItemsSource="{Binding Path=MyData, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" And here is the implementation of the browse button that is not working (L1 being the listbox) private void browse_Click(object sender, RoutedEventArgs e) { OpenFileDialog opf = new OpenFileDialog(); opf.ShowDialog(); MyData[L1.SelectedIndex].Title = System.IO.Path.GetFileNameWithoutExtension(opf.FileName); MyData[L1.SelectedIndex].Command = opf.FileName; } When I simply type in the text boxes and click out of them it updates the list box immediately with the new information I have put in. I also have a create new button and upon clicking it, it immediately adds a new item to the list box and updates its' properties. The only one that is not updating correctly is this peice of code I have given you. Thanks for your help. EDIT: Here is my implementation of INotifyPropertyChanged private OCLB _MyData; public OCLB MyData { get { return _MyData; } set { _MyData= value; FirePropertyNotifyChanged("MyData"); } } OCLB is the obserable collection. Here is the function FirePropertyNotifyChanged public event PropertyChangedEventHandler PropertyChanged; private void FirePropertyNotifyChanged(string propertyName) { if (PropertyChanged != null) { PropertyChanged(this, new PropertyChangedEventArgs(propertyName)); } } Each of these are in the partial class MainWindow for the wpf form. I also have a class for the MyData files (with 4 get/set functions) that are stored in the OCLB(observable collection). There is also a class with functions for the OCLB.

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• Apache and file permissions

  - by Matthew

  I'm running LAMP on Ubuntu 8.04. Apache's username and group are www-data. I put my connection details and AES key in a file in a directory that's not web served. I chown-ed the files to www-data:www-data and set the permissions to 700. Still, the script that require()s these files will only run if I chmod the files to 755. What am I missing?

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• How do you get the selected value of a spinner -- Android

  - by Matthew Hall

  Hi everyone, I'm trying to get the selected items string out of a spinner. So far I've got this: bundle.putString(ListDbAdapter.DB_PRI, v.getText().toString()); This doesn'y work and gives a casting exception (I thought you could cast a view to a widget that inherits it... obviously not!). So how do you get the selected value of a spinner

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• How to use AVCaptureSession to stream live preview video, then take a photo, then return to streaming

  - by Matthew

  I have an application that creates its own live preview prior to taking a still photo. The app needs to run some processing on the image data and thus is not able to rely on AVCaptureVideoPreviewLayer. Getting the initial stream to work is going quite well, using Apple's example code. The problem comes when I try to switch to the higher quality image to take the snapshot. In response to a button press I attempt to reconfigure the session for taking a full resolution photo. I've tried many variations but here is my latest example (which still does not work): - (void)sessionSetupForPhoto { [session beginConfiguration]; session.sessionPreset = AVCaptureSessionPresetPhoto; AVCaptureStillImageOutput *output = [[[AVCaptureStillImageOutput alloc] init] autorelease]; for (AVCaptureOutput *output in [session outputs]) { [session removeOutput:output]; } if ([session canAddOutput:output]){ [session addOutput:output]; } else { NSLog(@"Not able to add an AVCaptureStillImageOutput"); } [session commitConfiguration]; } I am consistently getting an error message just after the commitConfiguration line that looks like this: (that is to say, I am getting an AVCaptureSessionRuntimeErrorNotification sent to my registered observer) Received an error: NSConcreteNotification 0x19d870 {name = AVCaptureSessionRuntimeErrorNotification; object = ; userInfo = { AVCaptureSessionErrorKey = "Error Domain=AVFoundationErrorDomain Code=-11800 \"The operation couldn\U2019t be completed. (AVFoundationErrorDomain error -11800.)\" UserInfo=0x19d810 {}"; The documentation in XCode ostensibly provides more information for the error number (-11800), "AVErrorUnknown - Reason for the error is unknown."; Previously I had also tried calls to stopRunning and startRunning, but no longer do that after watching WWDC Session 409, where it is discouraged. When I was stopping and starting, I was getting a different error message -11819, which corresponds to "AVErrorMediaServicesWereReset - The operation could not be completed because media services became unavailable.", which is much nicer than simply "unknown", but not necessarily any more helpful. It successfully adds the AVCaptureStillImageOutput (i.e., does NOT emit the log message). I am testing on an iPhone 3g (w/4.1) and iPhone 4. This call is happening in the main thread, which is also where my original AVCaptureSession setup took place. How can I avoid the error? How can I switch to the higher resolution to take the photo? Thank you!

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• TcpListener is queuing connections faster than I can clear them

  - by Matthew Brindley

  As I understand it, TcpListener will queue connections once you call Start(). Each time you call AcceptTcpClient (or BeginAcceptTcpClient), it will dequeue one item from the queue. If we load test our TcpListener app by sending 1,000 connections to it at once, the queue builds far faster than we can clear it, leading (eventually) to timeouts from the client because it didn't get a response because its connection was still in the queue. However, the server doesn't appear to be under much pressure, our app isn't consuming much CPU time and the other monitored resources on the machine aren't breaking a sweat. It feels like we're not running efficiently enough right now. We're calling BeginAcceptTcpListener and then immediately handing over to a ThreadPool thread to actually do the work, then calling BeginAcceptTcpClient again. The work involved doesn't seem to put any pressure on the machine, it's basically just a 3 second sleep followed by a dictionary lookup and then a 100 byte write to the TcpClient's stream. Here's the TcpListener code we're using: // Thread signal. private static ManualResetEvent tcpClientConnected = new ManualResetEvent(false); public void DoBeginAcceptTcpClient(TcpListener listener) { // Set the event to nonsignaled state. tcpClientConnected.Reset(); listener.BeginAcceptTcpClient( new AsyncCallback(DoAcceptTcpClientCallback), listener); // Wait for signal tcpClientConnected.WaitOne(); } public void DoAcceptTcpClientCallback(IAsyncResult ar) { // Get the listener that handles the client request, and the TcpClient TcpListener listener = (TcpListener)ar.AsyncState; TcpClient client = listener.EndAcceptTcpClient(ar); if (inProduction) ThreadPool.QueueUserWorkItem(state => HandleTcpRequest(client, serverCertificate)); // With SSL else ThreadPool.QueueUserWorkItem(state => HandleTcpRequest(client)); // Without SSL // Signal the calling thread to continue. tcpClientConnected.Set(); } public void Start() { currentHandledRequests = 0; tcpListener = new TcpListener(IPAddress.Any, 10000); try { tcpListener.Start(); while (true) DoBeginAcceptTcpClient(tcpListener); } catch (SocketException) { // The TcpListener is shutting down, exit gracefully CheckBuffer(); return; } } I'm assuming the answer will be related to using Sockets instead of TcpListener, or at least using TcpListener.AcceptSocket, but I wondered how we'd go about doing that? One idea we had was to call AcceptTcpClient and immediately Enqueue the TcpClient into one of multiple Queue<TcpClient> objects. That way, we could poll those queues on separate threads (one queue per thread), without running into monitors that might block the thread while waiting for other Dequeue operations. Each queue thread could then use ThreadPool.QueueUserWorkItem to have the work done in a ThreadPool thread and then move onto dequeuing the next TcpClient in its queue. Would you recommend this approach, or is our problem that we're using TcpListener and no amount of rapid dequeueing is going to fix that?

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• Django 404 page not showing up

  - by Matthew Doyle

  Hey all, I'm in the middle of putting up my first django application on shared hosting. This should be an easy thing, but I am just not seeing it. I tried to follow the directions of the django documentation, and created a 404.html page within my template folder. I just wrote "This is a 404 page." in the .html file. I also did the same thing for a 500.html page and wrote in it "This is a 500 page." However when I hit a 'bad page' I get a standard 404 page from the browser (Oops! This link appears to be broken. in Chrome) when I would expect "This is a 404 page." What's even more interesting is out of frustration I wrote {% asdfjasdf %} in the 404.html, and instead of getting the "Oops!..." error I get "This is a 500 page," so it definitely sees the 404.html template. Here's what I can confirm: Debug = False I am running apache on a shared hosting I have not done anything special with .htaccess and 404 errors. If I run with Debug = True, it says it's a 404 error. I am using FastCGI Anything else anyone think I could try? Thank you very much!

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• Installing Mercurial on Mac OS X 10.6 Snow Leopard

  - by Matthew Rankin

  Installing Mercurial on Mac OS X 10.6 Snow Leopard I installed Mercurial 1.3.1 on Mac OS X 10.6 Snow Leopard from source using the following: cd ~/src curl -O http://mercurial.selenic.com/release/mercurial-1.3.1.tar.gz tar xzvf mercurial-1.3.1.tar.gz cd mercurial-1.3.1 make ALL sudo make install This installs the site-packages files for Mercurial in /usr/local/lib/python2.6/site-packages/. I know that installing Mercurial from the Mac Disk Image will install the files into /Library/Python/2.6/site-packages/, which is the site-packages directory for the Mac OS X default Python install. I have Python 2.6.2+ installed as a Framework with its site-packages directory in: /Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages With Mercurial installed this way, I have to issue: PYTHONPATH=/usr/local/lib/python2.6/site-packages:"${PYTHONPATH}" in order to get Mercurial to work. Questions How can I install Mercurial from source with the site-packages in a different directory? Is there an advantage or disadvantage to having the site-packages in the current location? Would it be better in one of the Python site-package directories that already exist? Do I need to be concerned about virtualenv working correctly since I have modified PYTHONPATH (or any other conflicts for that matter)? Reasons for Installing from Source Dan Benjamin of Hivelogic provides the benefits of and instructions for installing Mercurial from source in his article Installing Mercurial on Snow Leopard.

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• Enterprise Library 4.1 and .Net4

  - by Matthew

  Hello I have a project that uses the Enterprise Library 4.1. When I target .net 4 and compile, I get an error that says I need to add a reference to System.ServiceModel version 3. My reference is to System.ServiceModel version 4. How can I tell Visual Studio 2010 to reference a .net3 assembly from a .net3 project? Or, does somebody have a workaround for this issue? I am using the RTM version of VS2010 Thanks

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• Responding to the onmousemove event outside of the browser window in IE

  - by Matthew Lock

  In Internet Explorer 7 body onmousemove or document.onmousemove events only seem to fire while the mouse is inside the browser window, not when it's outside. Yet in Firefox the onmousemove event is called correctly when I move outside of the browser window. How can I setup an event to be called outside of the browser window in IE? Google Maps does this in IE. If you hold the mouse button down and move the mouse outside of the browser window you can see that the map still moves.

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• Properly changing Ajax MultiHandle Slider parameters on postbacks

  - by Matthew PK

  Hi all, In VS2010 I have VB.NET codebehind aspx pages and I'm using Ajax multihandleslider extensions to filter search results on numerical values. Fistly, the multihandle sliders don't display in the designer... I have to remove the slider targets tag: In order to make it display in the designer... this isn't so much a big issue but an annoyance. I am displaying items in a given category. So I get the max and min prices for all items in that category and assign the sliderextension max/min values appropriately. This works fine until... I change the item category and go get a new max/min value for the slider control. I set the max/min values, then I set the target textbox values each to the corresponding max/min values. The slider handles don't repaint (or init?) properly Like say for example my initial min/max is 1/100 if I do a full postback and change the max value to 1000 then the slider bar (correctly) stays the same size but the handle appears WAYYYY to the right off the page and I have to scroll to it. When I click it, it shoots back onto the slider bar. I'm pulling my hair out... why do the slider handles only appear properly when I first set the min/max values?

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• SQL Joining Two or More from Table B with Common Data in Table A

  - by Matthew Frederick

  The real-world situation is a series of events that each have two or more participants (like sports teams, though there can be more than two in an event), only one of which is the host of the event. There is an Event db table for each unique event and a Participant db table with unique participants. They are joined together using a Matchup table. They look like this: Event EventID (PK) (other event data like the date, etc.) Participant ParticipantID (PK) Name Matchup EventID (FK to Event table) ParicipantID (FK to Participant) Host (1 or 0, only 1 host = 1 per EventID) What I'd like to get as a result is something like this: EventID ParticipantID where host = 1 Participant.Name where host = 1 ParticipantID where host = 0 Participant.Name where host = 0 ParticipantID where host = 0 Participant.Name where host = 0 ... Where one event has 2 participants and another has 3 participants, for example, the third participant column data would be null or otherwise noticeable, something like (PID = ParticipantID): EventID PID-1(host) Name-1 (host) PID-2 Name-2 PID-3 Name-3 ------- ----------- ------------- ----- ------ ----- ------ 1 7 Lions 8 Tigers 12 Bears 2 11 Dogs 9 Cats NULL NULL I suspect the answer is reasonably straightforward but for some reason I'm not wrapping my head around it. Alternately it's very difficult. :) I'm using MYSQL 5 if that affects the available SQL.

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• How do I change the block template for specific theorem environments (LaTeX beamer)

  - by Matthew Leingang

  The amsthm theorem environments (theorem,example,proof,solution,...) make blocks on beamer slides. The default is that example environments use a different template (block example) than theorem or solution or proof (block). How do I make solution use a different template like "block solution" that I can define?

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• Embedding Facebook in an IFrame

  - by Matthew Kruskamp

  I have an app that has an IFrame with a page flash overly allowing you to draw on webpages. When I go to Facebook with the application, an overlay pops up covering everything at 50% opacity (Which is fine). The problem is that the overlay is all black in some installations of IE7. Can anyone advise on how to get around this? Here is the code that they have that does this. <div style="z-index: 1000001; position: absolute; filter: alpha(opacity = 50); WIDTH: 9999px; background: black; height: 9999px; top: 0px; left: 0px; opacity: 0.5;" onclick="top.location.href=window.location.href"/> Is there something I can do with meta tags or something to get the filter alpha to work correctly?

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• How to get polygon antialiasing to work.

  - by Matthew Mitchell

  I'm using these function calls: glEnable(GL_BLEND) glEnable(GL_POLYGON_SMOOTH) glBlendFunc(GL_SRC_ALPHA_SATURATE, GL_ONE) It doesn't work and wont render. glEnable(GL_BLEND) glEnable(GL_POLYGON_SMOOTH) glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA) It doesn't anti-alias.

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• SQL Server Search Proper Names Full Text Index vs LIKE + SOUNDEX

  - by Matthew Talbert

  I have a database of names of people that has (currently) 35 million rows. I need to know what is the best method for quickly searching these names. The current system (not designed by me), simply has the first and last name columns indexed and uses "LIKE" queries with the additional option of using SOUNDEX (though I'm not sure this is actually used much). Performance has always been a problem with this system, and so currently the searches are limited to 200 results (which still takes too long to run). So, I have a few questions: Does full text index work well for proper names? If so, what is the best way to query proper names? (CONTAINS, FREETEXT, etc) Is there some other system (like Lucene.net) that would be better? Just for reference, I'm using Fluent NHibernate for data access, so methods that work will with that will be preferred. I'm using SQL Server 2008 currently. EDIT I want to add that I'm very interested in solutions that will deal with things like commonly misspelled names, eg 'smythe', 'smith', as well as first names, eg 'tomas', 'thomas'. Query Plan |--Parallelism(Gather Streams) |--Nested Loops(Inner Join, OUTER REFERENCES:([testdb].[dbo].[Test].[Id], [Expr1004]) OPTIMIZED WITH UNORDERED PREFETCH) |--Hash Match(Inner Join, HASH:([testdb].[dbo].[Test].[Id])=([testdb].[dbo].[Test].[Id])) | |--Bitmap(HASH:([testdb].[dbo].[Test].[Id]), DEFINE:([Bitmap1003])) | | |--Parallelism(Repartition Streams, Hash Partitioning, PARTITION COLUMNS:([testdb].[dbo].[Test].[Id])) | | |--Index Seek(OBJECT:([testdb].[dbo].[Test].[IX_Test_LastName]), SEEK:([testdb].[dbo].[Test].[LastName] >= 'WHITDþ' AND [testdb].[dbo].[Test].[LastName] < 'WHITF'), WHERE:([testdb].[dbo].[Test].[LastName] like 'WHITE%') ORDERED FORWARD) | |--Parallelism(Repartition Streams, Hash Partitioning, PARTITION COLUMNS:([testdb].[dbo].[Test].[Id])) | |--Index Seek(OBJECT:([testdb].[dbo].[Test].[IX_Test_FirstName]), SEEK:([testdb].[dbo].[Test].[FirstName] >= 'THOMARþ' AND [testdb].[dbo].[Test].[FirstName] < 'THOMAT'), WHERE:([testdb].[dbo].[Test].[FirstName] like 'THOMAS%' AND PROBE([Bitmap1003],[testdb].[dbo].[Test].[Id],N'[IN ROW]')) ORDERED FORWARD) |--Clustered Index Seek(OBJECT:([testdb].[dbo].[Test].[PK__TEST__3214EC073B95D2F1]), SEEK:([testdb].[dbo].[Test].[Id]=[testdb].[dbo].[Test].[Id]) LOOKUP ORDERED FORWARD) SQL for above: SELECT * FROM testdb.dbo.Test WHERE LastName LIKE 'WHITE%' AND FirstName LIKE 'THOMAS%' Based on advice from Mitch, I created an index like this: CREATE INDEX IX_Test_Name_DOB ON Test (LastName ASC, FirstName ASC, BirthDate ASC) INCLUDE (and here I list the other columns) My searches are now incredibly fast for my typical search (last, first, and birth date).

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• MySQL Trigger with Update

  - by Matthew

  I'm trying to update a row when it gets updated to keep one of the columns consistant, CREATE TRIGGER user_country BEFORE UPDATE ON user_billing FOR EACH ROW BEGIN IF NEW.billing_country = OLD.billing_country AND NEW.country_id != OLD.country_id THEN SET NEW.billing_country = cms.country.country_name WHERE cms.country.country_id = NEW.country_id; END IF; END But I keep recieving error #1064, Is there a way to update a row based on another row's data when the row is getting updated?

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• Tailing 'Jobs' with Perl under mod_perl

  - by Matthew

  Hi everyone, I've got this project running under mod_perl shows some information on a host. On this page is a text box with a dropdown that allows users to ping/nslookup/traceroute the host. The output is shown in the text box like a tail -f. It works great under CGI. When the user requests a ping it would make an AJAX call to the server, where it essentially starts the ping with the output going to a temp file. Then subsequent ajax calls would 'tail' the file so that the output was updated until the ping finished. Once the job finished, the temp file would be removed. However, under mod_perl no matter what I do I can's stop it from creating zombie processes. I've tried everything, double forking, using IPC::Run etc. In the end, system calls are not encouraged under mod_perl. So my question is, maybe there's a better way to do this? Is there a CPAN module available for creating command line jobs and tailing output that will work under mod_perl? I'm just looking for some suggestions. I know I could probably create some sort of 'job' daemon that I signal with details and get updates from. It would run the commands and keep track of their status etc. But is there a simpler way? Thanks in advance.

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• Dynamic Linq Property Converting to Sql

  - by Matthew Hood

  I am trying to understand dynamic linq and expression trees. Very basically trying to do an equals supplying the column and value as strings. Here is what I have so far private IQueryable<tblTest> filterTest(string column, string value) { TestDataContext db = new TestDataContext(); // The IQueryable data to query. IQueryable<tblTest> queryableData = db.tblTests.AsQueryable(); // Compose the expression tree that represents the parameter to the predicate. ParameterExpression pe = Expression.Parameter(typeof(tblTest), "item"); Expression left = Expression.Property(pe, column); Expression right = Expression.Constant(value); Expression e1 = Expression.Equal(left, right); MethodCallExpression whereCallExpression = Expression.Call( typeof(Queryable), "Where", new Type[] { queryableData.ElementType }, queryableData.Expression, Expression.Lambda<Func<tblTest, bool>>(e1, new ParameterExpression[] { pe })); // Create an executable query from the expression tree. IQueryable<tblTest> results = queryableData.Provider.CreateQuery<tblTest>(whereCallExpression); return results; } That works fine for columns in the DB. But fails for properties in my code eg public partial class tblTest { public string name_test { get { return name; } } } Giving an error cannot be that it cannot be converted into SQL. I have tried rewriting the property as a Expression<Func but with no luck, how can I convert simple properties so they can be used with linq in this dynamic way? Many Thanks

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• Why does Fabric display the disconnect from server message for almost 2 minutes?

  - by Matthew Rankin

  Fabric displays Disconnecting from username@server... done. for almost 2 minutes prior to showing a new command prompt whenever I issue a fab command. This problem exists when using Fabric commands issued to both an internal server and a Rackspace cloud server. Below I've included the auth.log from the server, and I didn't see anything in the logs on my MacBook. Any thoughts as to what the problem is? Server's SSH auth.log with LogLevel VERBOSE Apr 21 13:30:52 qsandbox01 sshd[19503]: Accepted password for mrankin from 10.10.100.106 port 52854 ssh2 Apr 21 13:30:52 qsandbox01 sshd[19503]: pam_unix(sshd:session): session opened for user mrankin by (uid=0) Apr 21 13:30:52 qsandbox01 sudo: mrankin : TTY=unknown ; PWD=/home/mrankin ; USER=root ; COMMAND=/bin/bash -l -c apache2ctl graceful Apr 21 13:30:53 qsandbox01 sshd[19503]: pam_unix(sshd:session): session closed for user mrankin Server Configuration OS: Ubuntu 9.10 OpenSSH: Ubuntu package version 1.5.1p1-6ubuntu2 Client Configuration OS: Mac OS X 10.6.3 Fabric ver 0.9 Vritualenv ver 1.4.7 pip ver 0.7 Thoughts on Cause of the Issue I don't know how long the problem has existed. However, I know that at one point I didn't have this problem. Things that have changed since then are that I have recreated my virtualenv's using virtualenv 1.4.7, virtualenvwrapper 2.1, and pip 0.7. Not sure if this is related, but it is a thought since I run my fabfiles from within a virtualenv.

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• running a bash script from a make file

  - by Matthew

  I have a makefile from which I want to call another external bash script to do another part of the building. How would I best go about doing this.

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• How can I parse raw email source and extract the HTML part?

  - by Matthew Brindley

  In my iPhone app, I'm handed the raw source of an email, in RFC822 (or "eml") format. I'd like the HTML part of this message (if one exists). Rather than attempting to parse it out myself and converting escape chars and so on, I thought I'd check to see if anyone knows of an objective-c library to do this for me. In .NET, I've always used the Mailbee classes for anything email related, but I can't seem to find anything similar for cocoa.

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