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  • jQuery AJAX not redirecting?

    - by MidnightLightning
    I have a simple PHP page (for testing) that simply calls header("Location: http://www.example.com");exit;, which resides on the same server, in the same directory as another file with the following jQuery Javascript: $(document).ready(function() { jQuery.ajax({ type : 'GET', url : 'bounce.php', error : function(xhr, status, error) { console.log("ERROR: ", xhr, xhr.status, xhr.getAllResponseHeaders()); }, complete : function(xhr, status) { // Get headers of the response console.log("COMPLETE: ", xhr, xhr.status, xhr.getAllResponseHeaders()); } }); }); I was expecting (from several other StackOverflow responses) for the xhr.status to return "302", but instead the AJAX call is triggering the "error" event (and then the "complete" event), and xhr.status is returning 0 (zero), and .getAllResponseHeaders() is coming back null (in both the error, and complete functions). Firebug is showing the "302 Moved Temporarily", and the response headers. So why is this triggering the error event, and not passing along the proper 302 code, and headers? Is this something to do with the Same Origin since the bouncing script and the fetching script are both on the same server? Is this jQuery or Javascript's fault?

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  • map xml element to xsd complexType based on attribute

    - by Joshua Johnson
    Assume there exists an XML instance document that looks like this: <root> <object type="foo"> <!-- ... --> </object> <object type="bar"> <!-- ... --> </object> </root> My goal is to have a small (static) schema that verifies proper <element type="xxx" /> syntax for objects, and another schema (more prone to change) that verifies the contents of each object element against a complexType that matches the type attribute: <complexType name="foo"><!--should match object with type="foo"--></complexType> <complexType name="bar"><!--should match object with type="bar"--></complexType> What is the best way to accomplish this (or something similar)?

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  • Geographical ontologies ready to use?

    - by Mulone
    Hi all, I'm looking for an ontology containing geographical knowledge. In particular I'd like to have these types of information: political states / regions / cities / city areas geographical regions (e.g. continents, name of mountains, lakes, etc) For example, starting from the node "New York" I'd like to be able to find parents like the New York state, the USA etc, and children like Manhattan, Bronx, etc. I couldn't find anything open-source/free to use. I know that a lot of researchers extract such information from Wikipedia, but I couldn't find any off-the-shelf packages to use. I also checked OpenStreetMap, which is great for the amount of data but doesn't seem to contain a proper geographical ontology. Even a web service would be good! Any hints? Mulone

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  • Problem retrieving Hostaddress from Win32_TCPIPPrinterPort

    - by Anthony
    I'm running into an odd issue retrieving printer port addresses. When I get all the entries in Win32_TCPIPPrinterPort, the HostAddress field (which should have the IP address) is usually blank/null, only the port name has a value. To make it a bit stranger, if a particular port is not in use by any printer, THEN the HostAddress will have the the proper value. The C# code is simple, and results in something like this; IP_192.168.1.100, printerportxyz, richTextBox1.Clear(); ManagementObjectSearcher portSearcher = new ManagementObjectSearcher("root\\CIMV2", "SELECT * FROM Win32_TCPIPPrinterPort"); foreach (ManagementObject port in portSearcher.Get()) { richTextBox1.AppendText( String.Format("Name: {0} HostAddress: {1}", port["Name"], port["HostAddress"]) ); } I also tried the same thing in WSH/VBS, and saw the same behavior.

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  • Objective-C syntax

    - by mebFace
    I've been studying objective-c for a few days now. I keep coming across these two structures: NSString * somestring (NSString *) somestring I understand the first simply sets a pointer to an NSString object, but what does the second construct do, and when should I use it? What's the deal with the asterix marks? Sorry if this question doesn't make any sense, I am completely new to this language, and haven't even reached the level of asking proper questions. Main purpose -- I'm trying to decipher this method: -(NSString *)pickerView:(UIPickerView *)pickerView titleForRow:(NSInteger) row forComponent: (NSInteger)component *Also, the classes I chose don't matter. *

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  • fastest (low latency) method for Inter Process Communication between Java and C/C++

    - by Bastien
    Hello, I have a Java app, connecting through TCP socket to a "server" developed in C/C++. both app & server are running on the same machine, a Solaris box (but we're considering migrating to Linux eventually). type of data exchanged is simple messages (login, login ACK, then client asks for something, server replies). each message is around 300 bytes long. Currently we're using Sockets, and all is OK, however I'm looking for a faster way to exchange data (lower latency), using IPC methods. I've been researching the net and came up with references to the following technologies: - shared memory - pipes - queues but I couldn't find proper analysis of their respective performances, neither how to implement them in both JAVA and C/C++ (so that they can talk to each other), except maybe pipes that I could imagine how to do. can anyone comment about performances & feasibility of each method in this context ? any pointer / link to useful implementation information ? thanks for your help

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  • Spring security accessing principal

    - by wuntee
    When using spring security, specifically with @notation; what is the proper way to access the principal in a Controller? Lets say the following is my controller, but I would like to access the principal in the secure() method somewhere... @Controller public class LoginController { @RequestMapping(value = "/login", method = RequestMethod.GET) public String login(ModelMap map, @RequestParam(value="fail" , required=false) String fail){ map.addAttribute("title", "Login: AD Credentials"); if(fail != null){ map.addAttribute("error", "Invalid credentials"); } return("login"); } @RequestMapping("/secure") @PreAuthorize("isAuthenticated()") public String secure(ModelMap map, String principal){ System.out.println(principal); return("secure"); } }

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  • Java Inter Application Form Communication Observer Pattern

    - by ikurtz
    Observer pattern? Where do i get examples of this in Java (i know google but was hoping for some personal insight also.) On to a proper explanation of my issue: i have 3 forms/windows. "board" is the main form that loads as the application. "chat" is where the text chat takes place. "network" is where network connection is established. i have the game (connect4) working locally and i would like to implement a networked version of it also. my idea is maybe it is related to Observer pattern to have a thread (or something) monitoring network state during runtime and update the chat and board forms of the current network status as well as delivering received data from the network. are my ideas valid? or how should i go about establishing network and network status updates throughout the application? thank you for your input.

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  • NHibernate transaction management in ASP.NET MVC - how should it be done?

    - by adrin
    I am writing a simple ASP.NET MVC using session per request and transaction per request patterns (custom HttpModule). It seems to work properly, but.. the performance is terrible (a simple page loads ~7 seconds). For every http request, graphical resources incuding (all images on the site) a transaction is created and that seems to delay the loading times (without the transactions loading times per one image are ~1-10 ms with transactions they are over 1 second). What is the proper way to manage transactions in ASP.NET MVC + NH stack? When i've put all transactions into my repository methods, for some obscure reasons I got 'implicit transactions' warning in NHProf (the SQL statements were executed outside transaction, even that in code session.Save()/Update()/etc methods were invoked within transaction 'using' scope and before transaction.Commit() call) BTW are implicit transactions really bad?

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  • MySQL Stored Procedure: Boolean Logic in IF THEN

    - by xncroft
    I'm looking for the proper syntax (if this is possible in MySQL stored procedures) for using logical operators in an IF THEN statement. Here's something along the lines of what I would like to do, but I'm not certain if I should type "OR" or "||" in the IF ... THEN clause: DELIMITER $$ CREATE PROCEDURE `MyStoredProc` (_id INT) BEGIN DECLARE testVal1 INT DEFAULT 0; DECLARE testVal2 INT DEFAULT 0; SELECT value1, value2 INTO testVal1, testVal2 FROM ValueTable WHERE id = _id; IF testVal1 > 0 OR testVal2 > 0 THEN UPDATE ValueTable SET value1 = (value1+1) WHERE id=_id; END IF; END$$

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  • Specify Windows Service Name on install with Setup Project

    - by sympatric greg
    Objective: In support of a Windows Service that may have multiple instances on a single machine, use a Setup Project to create an MSI capable of: Receiving user input for Service Name Installing service Serializing Service Name from 1 (so that the proper name can be used in logging and uninstall) My initial hope was to set Service Name in App.config (and then retrieve it during uninstall upon instantiation of the ServiceInstaller. This seems to have been naive, because it is not accessible during the install. If MyInstaller extends Installer, it can call base.Install(); however, my attempts to write to app.config (within MyInstaller.Install() and after base.Install()) are inneffective. So while the service can be installed with a custom Service Name, that name is not serialized and the installer is most displeased upon uninstall. How should this be done?

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  • How to list directory hierarchy in PyGTK treeview widget?

    - by lyrae
    I am trying to generate a hierarchical directory listing in pyGTK. Currently, I have this following directory tree: /root folderA - subdirA - subA.py - a.py folderB - b.py I have written a function that -almost- seem to work: def go(root, piter = None): for filename in os.listdir(root): isdir = os.path.isdir(os.path.join(root, filename)) piter = self.treestore.append(piter, [filename]) if isdir == True: go(os.path.join(root, filename), piter) This is what i get when i run the app: I also think my function is inefficient and that i should be using os.walk(), since it already exists for such purpose. How can I, and what is the proper/most efficient way of generating a directory tree with pyGTK?

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  • Problem in Setting image in imageview inside ListView in Android?

    - by sunil
    Hi, I have a listview which includes 2 textviews and 1 imageview. Now, the image in imageview will be set on certain conditions otherwise it should be left blank with no image. The problem is the images are not coming in proper rows. Say, for eg the image should be displayed at row 3 but its displayed at row 4. And, in some cases each row will have the same image. Has someone faced this kind of an issue? I am really clueless about the reason behind this. Can anyone point out the problem? Regards Sunil

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  • Best jQuery/Prototype book for complex ajax?

    - by Burton Kent
    I've been working on a complex app with one main dashboard. I don't particularly like the design because it tries to do too much on one page. So the lead developer thought it would be a good idea to use ajax - because the page is so big. Refreshing part of it is far faster than loading it again. Problem is there's several ways data can be used. Adding items Editing rows Performing actions on selected rows (selected using a checkbox) Changing single items (like location, phone) My problem is making GENERALIZABLE ajax code that can operate on the data in a div, using class names to assemble the proper information for the ajax call. I did pretty well, but can't help but want to see if there's a better way to do it.

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  • Hibernate: can I override an identifier generator using XML with a custom generator?

    - by Ken Liu
    I want to use a custom sequence generator in my application, but the entity is located in a domain model jar that is shared with other applications. Apparently entity annotations can be overridden in orm.xml but I can't figure out the proper XML incantation to get this to work. I can modify the annotation in the entity like this this: @GenericGenerator(name = "MYGEN", strategy = "MyCustomGenerator") @GeneratedValue(generator = "MYGEN") But I need to somehow map this to orm.xml in order to override the original annotation. Looking at the orm.xml schema here it appears that I can't even specify a generation type besides "sequence" and "table".

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  • Selection of parameters in Diffie-Hellman

    - by allenzzzxd
    Hello, maybe it's not so proper to ask this question here... anyway, I'm trying to use the gmp library for the implementation of DH, but the problem here I got is: Once, when I was doing the tests to observe the output, although big values of prime and the private keys were selected: p was about more than 300 digits long in decimal a, b were about 100 digits long finally I got a shared secret key which was extremely small, perhaps smaller than 10^8 in decimal... This problem didn't show up many times, in fact, during all the observation, it appeared just once...but still, this was not so good at all. So I wonder if there are some methods which can avoid this... Thanx a lot

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  • Wiki Database, is there one?

    - by Faiz
    I was searching the net for something like a wiki database, just like wikipedia but instead stores structured content, editable by users. What I was looking for was an online database accessible by everyone where people can design the schema and data with proper versioning of both schema and data. I couldn't find any such site. I am not sure if it is my search skills or if there really is no wiki database as of now. Does anyone out there know anything like this? I think there is a great potential for something like this. A possible example will be a website with a GUI for querying a MySQL DB where any website visitor can create DB objects and populate data.

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  • Background settings for a JDesktopPane

    - by EricR
    I'm using a self-made DesktopPaneUI for a JDesktopPane, I've written the proper methods for the class, and I'm running into trouble. When I resize the JDesktopPane, the background image doesn't resize with the frame. The image appears to be clipped at the size it was when the window initially opened. I'm giving it an image larger than the window, and I'm still having this problem. Here's my method call inside the constructor of my desktopUI class. super(); this.background = javax.imageio.ImageIO.read(new File(fileName)); Is there a way I can change my main class where I set the UI, or the myDesktopPaneUI class such that the background still fills the window when the JDesktopPane changes size? setUI(new myDesktopPaneUI("media/bg.jpg"));

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  • Mysql IN clause, php array

    - by robert knobulous
    I know that this has been asked and answered before, but for the life of me I cannot find where I am going wrong. My code is below. $backa = array("1", "7", "8", "9", "12"); $backaa = implode(",", $backa); /* code to create connection object $wkHook */ $getOpt=$wkHook->prepare("select movementId, movementName from Movement where movementId IN ($backaa) order by movementName asc"); $getOpt->execute(); $getOpt->store_result($id, $name); Every time I run this I get one of two errors depending upon how I use the $backaa variable. More often than not I get a call to a non-object error indicating that $getOpt is not a proper Mysql query. I have tried every fashion of quoting, bracketing, etc for the $backaa variable but it's just not working for me. What obvious thing am I missing?

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  • How to pass get-parameter to backing bean in jsf?

    - by Roman
    I have get parameter with name controller. When I try to pass it (with propertyChangeListener) to my backing bean I get null instead of the real value of the parameter: <h:commandButton value="#{msg['mail.send']}" styleClass="mailbutton" action="#{mailSender.sendMail}"> <f:setPropertyActionListener target="#{mailSender.controllerName}" value="{#param.controller}"/> </h:commandButton> So, I have two questions: What is the proper way to set bean property with a get-parameter value? Actually, I've already get the value from ExternalContext#getRequestParam but maybe there are some other solutions. More interesting question: why propertyActionListener didn't work here? What does it do actually? (again I have some thoughts about it but it would be nice to read more comprehensive explanations).

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  • Simple PHP Regex question

    - by Dave Kiss
    Hi all, I'd like to validate a field in a form to make sure it contains the proper formatting for a URL linking to a Vimeo video. Below is what I have in Javascript, but I need to convert this over to PHP (not my forte) Basically, I need to check the field and if it is incorrectly formatted, I need to store an error message as a variable.. if it is correct, i store the variable empty. // Parse the URL var PreviewID = jQuery("#customfields-tf-1-tf").val().match(/http:\/\/(www.vimeo|vimeo)\.com(\/|\/clip:)(\d+)(.*?)/); if ( !PreviewID ) { jQuery("#cleaner").html('<div id="vvqvideopreview"><?php echo $this->js_escape( __("Unable to parse preview URL. Please make sure it's the <strong>full</strong> URL and a valid one at that.", 'vipers-video-quicktags') ); ?></div>'); return; } The traditional vimeo url looks like this: http://www.vimeo.com/10793773 Thanks!

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  • wxPython - Save Items in ListCtrl

    - by dpswt
    Hello everyone. My question is if we can save the items on ListCtrl so everytime someone opens the application, the items are there and if the user removes it, it also removes from the configuration. I know that I can use wx.Config and I'm trying to accomplish using that but I don't know how to read it in a way to accomplish what I want. So what I would like to know is a proper way to write/read the wx.Config in a way that everytime someone opens the application, the items from ListCtrl are there. Thanks in advance.

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  • HTTP status code for "success with errors"?

    - by Richard Levasseur
    I've poked around a bit, but I don't see an HTTP status code for when a request's succeeds, but there is an error after the "point of no return". e.g., Say you process a request, its committed to the database, but while returning the result you run of memory, or encounter a NPE, or what have you. It would have been a 200 response, but now, internally, you aren't able to return the proper, well-formed response. 202 Accepted doesn't seem to fit since we've already processed the request. What status code means "Success, but errors"? Does one even exist?

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  • How can I set up .Net unhanlded exception handling in a windows service?

    - by Mike Pateras
    protected override void OnStart(string[] args) { AppDomain.CurrentDomain.UnhandledException += new UnhandledExceptionEventHandler(CurrentDomain_UnhandledException); Thread.Sleep(10000); throw new Exception(); } void CurrentDomain_UnhandledException(object sender, UnhandledExceptionEventArgs e) { } I attached a debugger to the above code in my windows service, setting a breakpoint in CurrentDomain_UnhandledException, but it was never hit. The exception pops up saying that it is unhandled, and then the service stops. I even tried putting some code in the event handler, in case it was getting optimized away. Is this not the proper way to set up unhandled exception handling in a windows service?

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  • how to: re-assemble machine generated classes from xsd files to their original nested state.

    - by Paul Connolly
    Hi everyone, I'm working in Visual Studio 2008 using c#. Let's say I have 2 xsd files e.g "Envelope.xsd" and "Body.xsd" I create 2 sets of classes by running xsd.exe, creating something like "Envelope.cs" and "Body.cs", so far so good. I can't figure out how to link the two classes to serialize (using XmlSerializer) into the proper nested xml, i.e: I want: <Envelope><DocumentTitle>Title</DocumentTitle><Body>Body Info</Body></Envelope> But I get: <Envelope><DocumentTitle>Title</DocumentTitle></Envelope><Body>Body Info</Body> Could someone perhaps show me how the two .cs classes should look to enable XmlSerializer to runt the desired nested result? Thanks a million Paul

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