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  • Using Jquery $getJSON How do I dynamically create data for the [data] parameter after Url param?

    - by Breadtruck
    I have no problems getting the Json to work and parse the json return. I was just wondering how I could build a dynamic "whatever data is" and stick it into [data] to pass my parameters from there and not manually append them to the url. From jquery website example: $.getJSON("test.js", { name: "John", time: "2pm" }, function(json){ alert("JSON Data: " + json.users[3].name); }); I thought I could build a string ( which doesn't make sense anyway ) and drop it inside the { }, but I obviously don't understand that part. name: isn't a string and you can't put a variable in that part, so how would I dynamically put items into whatever [data] is.

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  • Where to start on creating finger swipe navigation trough a list.

    - by Thomas Stock
    Lets say I want to make a control to select any integer number by dragging on a "bar" with numbers: (156 is selected) Mousedown on "159" and dragging towards the left and then doing mouseup changes the control to this: (160 is selected) I've been experimenting for the past 3 hours but I'm inexperienced in Silverlight so I'm having problems getting started. My current guess is I should seperate this into 2 steps: Step 1: Build this control without swiping behavior. Just 2 buttons to go up a number or go down a number Step 2: Replace the buttons by handling mouse events. With my limited knowledge I think I would manage building a crappy control that does this, with very messy xaml and c# and lots of headaches when trying to apply styling and fancy state transitions, but I was hoping some xaml wizards could get me started with the basic approach? Edit: This is an implementation of what I'm trying to achieve in Silverlight: Iphone's datepicker:

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  • Accessing the DI container from anywhere

    - by ChrisR
    I've implemented the Symfony2 Dependency Injection container in my Zend Framework project and it works fine in the MVC layer of my application. I've initialized the DIC in my bootstrap and can access it anywhere by calling: Zend_Controller_Front::getInstance()->getParam('bootstrap')->getDic() The problem is that there are some parts of my application that do not utilize the Zend Framework application/MVC layer. My CLI tools for example. I could perfectly initialize a new DIC there but that would just be some copy paste work from the Bootstrap file which is asking for trouble down the road (DRY principles, etc) Is it a better solution to make my DIC available in the Zend_Registry or as a singleton called by a static method DIC::getInstance() for example? I know Registry and singletons are considered bad things but the DIC is such a high level part of the application that I will probably never run into the problems that make it a bad thing. Is this a good solution or are there better ways of accomplishing a globally accessible DIC?

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  • Subversion pre-commit hook to clean XML from WebDAV autocommit client

    - by rjmunro
    I know that it isn't normally safe to modify a commit from a pre-commit hook in Subversion because SVN clients will not see the version that has been committed, and will cache the wrong thing, but I'd like to clean the code from a versioning-naïve WebDAV client that won't keep a local cached copy. The idea is that when I look at the repository with an SVN client, the diffs are clean. The client, by the way is MS Word, using 2003 XML format files. We're already using this format in a WebDAV system, but we'd like to add a versioning capability for expert users. Everywhere I look for documentation on how to modify the code in a pre-commit hook, I get the answer "Don't do this", not the answer "Here's how to do this, but it's reccomeded you don't", so I can't even easily try it to see if it's going to cause me problems.

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  • What division operator symbol would you pick?

    - by Mackenzie
    I am currently designing and implementing a small programming language as an extra-credit project in a class I'm taking. My problem is that the language has three numeric types: Long, Double, and Fraction. Fractions can be written in the language as proper or improper fractions (e.g. "2 1/3" or "1/2"). This fact leads to problems such as "2/3.5" (Long/Double) and "2/3"(Long/Long) not being handled correctly by the lexer.The best solution that I see is to change the division operator. So far, I think "\" is the best solution since "//" starts comments. Would you pick "\", if you were designing the language? Would you pick something else? If so, what? Note: changing the way fractions are written is not possible. Thanks in advance for your help,

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  • How to reference THE UIWindow from sub UIViewControllers?

    - by maralbjo
    I am trying to add another subview programmatically based on some event (user taps a button, for instance). My problem is that I am having problems referencing the (one and only) instance of UIWindow. I reach it from my appDelegate, because the MainWindow.xib and the appDelegate have been wired up. But I cannot reach the UIWIndow from anywhere else (I cannot draw that connection in IB, can I?) What techniwue is preferred to get a reference to (the one and only) UIWindow? ...so that I in turn can use the following code from my various UIViewControllers: [myOneAndOnlyWindow addSubview:oneOfManyViews.view]; [myOneAndOnlyWindow makeKeyAndVisible];

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  • Active Directory: User UPN or DN for NTLM name, using pure LDAP?

    - by Bernd Haug
    I have a Java app that can authenticate to LDAP by logging users into the AD LDAP server with the NTLM name (which they are used to - this is a requirement). I now also need to do authorization, and hence need to find a forest-unique identifier for the user (DN or UPN should work), from which I can further query the directory. The method needs to be absolutely portable, even if the AD is structured in an unusual fashion, otherwise I could just do a string replacement and search for a UPN of "${ntlm-user}@${ntlm-domain}.${configured-trailing-domain}" How can I do this, using pure LDAP? Currently, I'm using the java.naming.directory package, which I'd like to keep using, since it doesn't throw up problems when not binding with a DN but logging in with an NTLM name?

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  • css cache google chrome

    - by Daniel Garcia
    I'm having problems with cache, I think. I have a website in Joomla, and I have some .css (layout.css, position.css, .... ) and I have at home of the website, 3 buttons, I tested in localhost, and when I see the home well, I upload everything to production, to my server. Now, I just edited some styles of these buttons, for example, the width, in order to see them better...but I'm having a problem with the cache, because sometimes I see them with new changes, but other times I see with the old styles.....I realized that this happens especially with chrome Could you help me, please? Best regards, Daniel

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  • asp .net MVC 2.0 Validation

    - by ANDyW
    Hi I’m trying to do some validation in asp .net MVC 2.0 for my application. I want to have some nice client side validation. Validation should be done most time on model side with DataAnnotations with custom attributes( like CompareTo, StringLenght, MinPasswordLenght (from Membership.MinimumumpassworkdLenght value). For that purpose I tried to use xval with jquery.validation. Some specific thing is that most of forms will be working with ajax and most problems are when I want to validate form with ajax. Here is link for sample project http://www.sendspace.com/file/m9gl54 . I got two forms as controls ValidFormControl1.ascx, ValidFormControl2.ascx <% using (Ajax.BeginForm("CreateValidForm", "Test", new AjaxOptions { HttpMethod = "Post" })) {%> <div id="validationSummary1"> <%= Html.ValidationSummary(true)%> </div> <fieldset> <legend>Fields</legend> <div class="editor-label"> <%= Html.LabelFor(model => model.Name)%> </div> <div class="editor-field"> <%= Html.TextBoxFor(model => model.Name)%> <%= Html.ValidationMessageFor(model => model.Name)%> </div> <div class="editor-label"> <%= Html.LabelFor(model => model.Email)%> </div> <div class="editor-field"> <%= Html.TextBoxFor(model => model.Email)%> <%= Html.ValidationMessageFor(model => model.Email)%> </div> <div class="editor-label"> <%= Html.LabelFor(model => model.Password)%> </div> <div class="editor-field"> <%= Html.TextBoxFor(model => model.Password)%> <%= Html.ValidationMessageFor(model => model.Password)%> </div> <div class="editor-label"> <%= Html.LabelFor(model => model.ConfirmPassword)%> </div> <div class="editor-field"> <%= Html.TextBoxFor(model => model.ConfirmPassword)%> <%= Html.ValidationMessageFor(model => model.ConfirmPassword)%> </div> <p> <input type="submit" value="Create" /> </p> </fieldset> <% } %> <%= Html.ClientSideValidation<ValidModel>() .UseValidationSummary("validationSummary1", "Please fix the following problems:") %> Both look same the difference is only validation summaryID (validationSummary1, validationSummary2). Both controls are rendered on one page : Form2 <%Html.RenderPartial("~/Views/Test/ValidFormControl2.ascx", null); %> Form1 <%Html.RenderPartial("~/Views/Test/ValidFormControl.ascx", null); %> Validation property First problem, when we have two controls with same type to validate it don’t work becosue html elements are rendered by field name ( so we have two element with same name “Password” ). Only first form will be validated by client side. The worst thing is that even if we have different types and their fields name is same validation won’t work too ( this thing is what I need to repair it will be stupid to name some unique properites for validation ). Is there any solution for this ? Custom attributes validation Next thing custom attributes validation ( All those error are when I use Ajax for on normal form validation is working without problem. ): CompareTo - Simple compare to that is done in mvc template for account model ( class attribute saying with two property will be compared ) , and it wasn’t show on page. To do it I created own CachingRulesProvider with compareRule and my Attribute. Maybe there is more easy way to do it? StringLenght with minimum and maximum value, I won’t describe how I done it but is there any easy whey to do it? Validation summary When I have two two control on page all summary validation information goes to first control validation summary element, even xval generated script say that elementID are different for summary. Any one know how to repair it? Validation Information Is there any option to turn on messages on place where is Html.ValidationMessageFor(model = model.ConfirmPassword). Becsoue for me it isn’t show up. I would like to have summary and near field information too not only red border. Any one know how to do it? Ajax submit Anyone know how to do easy without massive code in javascript to do submit via javascript. This will be used to change input submit to href element (a). Both look same the difference is only validation summaryID

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  • Replace underscore between words (reg.exp)

    - by lasseespeholt
    Hey, I need a regular expression to solve the following problem (links to similar problems is also appreciated, related tutorials etc.): __some_words_a_b___ => __some words a b___ ____ => ____ So I want underscores between words to be replaced with space and keep leading and trailing underscores. I found this: ^[ \t]+|[ \t]+$ and I guess it most be something like that. I will use it in jQuery, Java (stdlibs) and maybe XSLT. Addition: The sentences do not necessarily start with underscores or ends with underscores. It is also possible that a sentence ain't containing underscores at all. Best regards Lasse Espeholt

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  • Autmatically create table on MySQL server based on date?

    - by Anthony
    Is there an equivalent to cron for MySQL? I have a PHP script that queries a table based on the month and year, like: SELECT * FROM data_2010_1 What I have been doing until now is, every time the script executes it does a query for the table, and if it exists, does the work, if it doesn't it creates the table. I was wondering if I can just set something up on the MySQL server itself that will create the table (based on a default table) at the stroke of midnight on the first of the month. Update Based on the comments I've gotten, I'm thinking this isn't the best way to achieve my goal. So here's two more questions: If I have a table with thousands of rows added monthly, is this potentially a drag on resources? If so, what is the best way to partition this table, since the above is verboten? What are the potential problems with my home-grown method I originally thought up?

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  • Left outer join null using VB.NET and LINQ

    - by jvcoach23
    I've got what I think is a working left outer join LINQ query, but I'm having problems with the select because of null values in the right hand side of the join. Here is what I have so far Dim Os = From e In oExcel Group Join c In oClassIndexS On c.tClassCode Equals Mid(e.ClassCode, 1, 4) Into right1 = Group _ From c In right1.DefaultIfEmpty I want to return all of e and one column from c called tClassCode. I was wondering what the syntax would be. As you can see, I'm using VB.NET. Update... Here is the query doing join where I get the error: _message = "Object reference not set to an instance of an object." Dim Os = From e In oExcel Group Join c In oClassIndexS On c.tClassCode Equals Mid(e.ClassCode, 1, 4) Into right1 = Group _ From c In right1.DefaultIfEmpty Select e, c.tClassCode If I remove the c.tClassCode from the select, the query runs without error. So I thought perhaps I needed to do a select new, but I don't think I was doing that correctly either.

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  • How should I delete a child object from within a parent's slot? Possibly boost::asio specific.

    - by kaliatech
    I have written a network server class that maintains a std::set of network clients. The network clients emit a signal to the network server on disconnect (via boost::bind). When a network client disconnects, the client instance needs to be removed from the Set and eventually deleted. I would think this is a common pattern, but I am having problems that might, or might not, be specific to ASIO. I've tried to trim down to just the relevant code: /** NetworkServer.hpp **/ class NetworkServices : private boost::noncopyable { public: NetworkServices(void); ~NetworkServices(void); private: void run(); void onNetworkClientEvent(NetworkClientEvent&); private: std::set<boost::shared_ptr<const NetworkClient>> clients; }; /** NetworkClient.cpp **/ void NetworkServices::run() { running = true; boost::asio::io_service::work work(io_service); //keeps service running even if no operations // This creates just one thread for the boost::asio async network services boost::thread iot(boost::bind(&NetworkServices::run_io_service, this)); while (running) { boost::system::error_code err; try { tcp::socket* socket = new tcp::socket(io_service); acceptor->accept(*socket, err); if (!err) { NetworkClient* networkClient = new NetworkClient(io_service, boost::shared_ptr<tcp::socket>(socket)); networkClient->networkClientEventSignal.connect(boost::bind(&NetworkServices::onNetworkClientEvent, this, _1)); clients.insert(boost::shared_ptr<NetworkClient>(networkClient)); networkClient->init(); //kicks off 1st asynch_read call } } // etc... } } void NetworkServices::onNetworkClientEvent(NetworkClientEvent& evt) { switch(evt.getType()) { case NetworkClientEvent::CLIENT_ERROR : { boost::shared_ptr<const NetworkClient> clientPtr = evt.getClient().getSharedPtr(); // ------ THIS IS THE MAGIC LINE ----- // If I keep this, the io_service hangs. If I comment it out, // everything works fine (but I never delete the disconnected NetworkClient). // If actually deleted the client here I might expect problems because it is the caller // of this method via boost::signal and bind. However, The clientPtr is a shared ptr, and a // reference is being kept in the client itself while signaling, so // I would the object is not going to be deleted from the heap here. That seems to be the case. // Never-the-less, this line makes all the difference, most likely because it controls whether or not the NetworkClient ever gets deleted. clients.erase(clientPtr); //I should probably put this socket clean-up in NetworkClient destructor. Regardless by doing this, // I would expect the ASIO socket stuff to be adequately cleaned-up after this. tcp::socket& socket = clientPtr->getSocket(); try { socket.shutdown(boost::asio::socket_base::shutdown_both); socket.close(); } catch(...) { CommServerContext::error("Error while shutting down and closing socket."); } break; } default : { break; } } } /** NetworkClient.hpp **/ class NetworkClient : public boost::enable_shared_from_this<NetworkClient>, Client { NetworkClient(boost::asio::io_service& io_service, boost::shared_ptr<tcp::socket> socket); virtual ~NetworkClient(void); inline boost::shared_ptr<const NetworkClient> getSharedPtr() const { return shared_from_this(); }; boost::signal <void (NetworkClientEvent&)> networkClientEventSignal; void onAsyncReadHeader(const boost::system::error_code& error, size_t bytes_transferred); }; /** NetworkClient.cpp - onAsyncReadHeader method called from io_service.run() thread as result of an async_read operation. Error condition usually result of an unexpected client disconnect.**/ void NetworkClient::onAsyncReadHeader( const boost::system::error_code& error, size_t bytes_transferred) { if (error) { //Make sure this instance doesn't get deleted from parent/slot deferencing //Alternatively, somehow schedule for future delete? boost::shared_ptr<const NetworkClient> clientPtr = getSharedPtr(); //Signal to service that this client is disconnecting NetworkClientEvent evt(*this, NetworkClientEvent::CLIENT_ERROR); networkClientEventSignal(evt); networkClientEventSignal.disconnect_all_slots(); return; } I believe it's not safe to delete the client from within the slot handler because the function return would be ... undefined? (Interestingly, it doesn't seem to blow up on me though.) So I've used boost:shared_ptr along with shared_from_this to make sure the client doesn't get deleted until all slots have been signaled. It doesn't seem to really matter though. I believe this question is not specific to ASIO, but the problem manifests in a peculiar way when using ASIO. I have one thread executing io_service.run(). All ASIO read/write operations are performed asynchronously. Everything works fine with multiple clients connecting/disconnecting UNLESS I delete my client object from the Set per the code above. If I delete my client object, the io_service seemingly deadlocks internally and no further asynchronous operations are performed unless I start another thread. I have try/catches around the io_service.run() call and have not been able to detect any errors. Questions: Are there best practices for deleting child objects, that are also signal emitters, from within parent slots? Any ideas as to why the io_service is hanging when I delete my network client object?

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  • MySQL locking problem

    - by teehoo
    I have a simple setup of a set of writers and a set of readers working with a MySQL ISAM table. The writers are only inserting rows while the readers are only checking for new rows. OK, so I know that I don't need a lock in this situation, since I'm not modifying existing rows. However my Writers are accessing one more table that does need a lock. I piece of information seems irrelevant except for the following limitation stated in the MySQL documentation: A session that requires locks must acquire all the locks that it needs in a single LOCK TABLES statement. While the locks thus obtained are held, the session can access only the locked tables. For example, in the following sequence of statements, an error occurs for the attempt to access t2 because it was not locked in the LOCK TABLES statement: So to access the table I want to insert rows into, I NEED to lock it, which is causing me performance problems. Any suggestions of how to get around this?

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  • Need help on how to begin learning website development

    - by Golfy
    OK for the past 10 days I have been trying to figure out where to begin learning website development a dynamic one, So far everyone told me you should start with computer science and I am like What the @#$% how am I suppose to learn computer science without going to school and get a degree but I don't want a degree I just want to learn how to devlope websites. So now I am here and confused about how to put together a website. I get HTML and CSS but still have some problems designing the site now on the other had I am having trouble trying to figure out how php and database mysql is used to put together a website. I have seen videos from lynda.com and still have no Idea after I have watched the video the basic one, one that teach you the Variables, Loops, Strings ext... ok than what happens, how do you build the website with it, that is the question I am real not understand the answer to. Any help will be appreciated.

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  • Changing folder names in Visual Studio when using SVN

    - by Piers Myers
    I am using VS2008/VS2010 with Resharper 5, TortoiseSVN 1.6.8.19260-x64, and AnkhSVN 2.1.8420.8. Most operations I do in Visual Studio are reflected fine in SVN, however, renaming folders in a project can cause problems when I try to submit my changes. Also all the namespaces in the C# source files under the renamed folder need to be updated to reflect the name change. What is the best way to rename the main project folder or any sub folders and ensure there are no issues with SVN? Should it be done outside Visual Studio? What is the best way to update all the namespace changes? Is search/replace the only way? Are there any best practices regarding folder names and their contents?

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  • Really new to XCode. Why won't the thing run?

    - by Matt W
    Hi, I'm trying to follow the April 2009 and Winter 2010 Stanford iPhone app development videos and I'm running up against the same problems with both. First, they don't appear to be using the latest version of XCode - the Outlets and Actions panels are in a different window and there is little info on the net about this (other than one other post on S.O.F.) Second, having got to the point where I've managed to connect the slider, label and changedLabelText connections, I save, build and run the app - the simulator loads, the app loads and then promptly closes again. What's going on? I have not written any code yet and I still have an app which, while it compiles, does not behave! Is there a better starting point for an XCode noob than the Stanford vids? Thanks, Matt.

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  • Deleting orphans with JPA

    - by homaxto
    I have a one-to-one relation where I use CascadeType.PERSIST. This has over time build up a huge amount of child records that has not been deleted, to such an extend that it is reflected in the performance. Now I wish to add some code that cleans up the database removing all the child records that are not referenced by a parent. At the moment we are talking 400K+ records, at I need to run the code on all customer installations just to be sure they do not run into the same problem. I think the best solution would be to run a named query (because we support two databases) that deletes the necessary records, and this is where I get into problems, because how should I write it in JPQL? The result I want can be defined like the following sql statement, which unfortunaltely does not run on MySQL. DELETE FROM child c1 WHERE c1.pk NOT IN (SELECT DISTINCT p.pk FROM child c2 JOIN parent p ON p.child = c2.pk);

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  • Why does Perl's Crypt::SSLeay timeout on Intel Mac OS X machines?

    - by Joe
    A have a Perl cron job that recently started having its HTTPS connections start failing with an error of "500 SSL read timeout". I've tracked that the error is being thrown as part of an alarm in Crypt::SSLeay, but I don't know if this is simply something taking too long to respond. So far, I've adjusted the timeout from the default 30 seconds to 10 minutes and it still times out. I've moved the script to other machines, and those on Intel Mac OS X systems all time out, while those under Linux, or on PPC Mac OS X systems run fine, so I don't think it's changes on the network or remote server. When the process started having problems does not coincide with any software updates or reboots on the machine, and I've contacted the server I'm connecting to, and everyone claims that they haven't changed anything. Does anyone have recommendations on trying to debug HTTPS, or have you ever seen this behavior and give recommendations on something I might've overlooked at that could've caused this problem?

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  • Browser popup blocker blocking jasper reports generated from flex

    - by pietervn
    Hi all, I have a flex application that uses navigateToURL() to call a servlet. The servlet in turn generates a JasperReport and then uses exportReport() to show the report in a new browser tab. Now, my problem is this. I want to generate multiple reports at once, each opening in its own tab. It all works fine except that in Firefox the built in browser pop-up blocker sees every new tab that is opened after the first report tab as a pop-up. It blocks this and is giving me endless headaches. I also tried this in IE8, Safari, Chrome and Opera with no problems. Any help as to how I can get past the Firefox pop-up blocker would be much appreciated. Pieter

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  • Java: I am trying to server a zip file through a link, but the file comes out as being empty

    - by Ankur
    I am trying to server a zip file through a link, but the file comes out as being empty. My app takes a number of files and zips them up, then presents the user with a link to the file so he/she can download it. On the server I can see that the zip file is being created correctly, but when I download it from the server through the normal HTML link provided no data is downloaded i.e. a zip file is created locally but it has file size 0kb. The file names are of the form XPCS.2010-03-09.15.13.42.165.zip - will the dots cause problems?

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  • urlrewriter.net page not executed

    - by peter
    Hello, I'm having some problems with the module urlrewriter.net for ASP.NET. I have a multilingual site with a URL like this; ~/home.aspx To support languages I use this rewrite rule; <rewrite url="~/de-DE/(.*)" to="~/$1"></rewrite> Then in my code I get the de-DE part and set the right culture for the current thread. All of this works well. After I login on the website I get a message "Hello, user x" to show i'm logged in. When navigating to another page, it doesn't display this message anymore and it seems like the page comes from the cache or something with the old (not logged in) data. Also, when I attach the debugger, nothing is executed for this request. If I visit the page like ~/home.aspx instead of ~/de-DE/home.aspx, does problem does not occur. What could be the problem here? Thanks

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  • C# Class Instantiation Overflow

    - by Goober
    Scenario I have a C# Win Forms App, where the Main Form contains a loop that creates 3000 Instances of another form (Form B). Inside Form B there are a large number of properties and fields and a bunch of methods that do a fair amount of processing. Question Will the creation of 3000 of these classes give me problems? I'm thinking along the lines of memory exceptions? I've had 1 or 2 already, and I've also had an exception that says something along the lines of "Something went bang and this is usually a sign of corrupt memory somewhere else". Setup I'm using a DevExpress Ribbon Form and I haven't implemented Dispose on anything....Do I need to? Help greatly appreciated.

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  • How can match end-of-line multiple times in a regex without interpolation?

    - by harschware
    Hi, if I have a input with new lines in it like: [INFO] xyz [INFO] How can I pull out the xyz part? I tried a pattern like /^\[INFO\]$(.*?)$\[INFO\]/ms, but perl gives me: Use of uninitialized value $\ in regexp compilation at scripts\t.pl line 6. I've been trying things to get interpolation to stop like using qr// but alas, no love. EDIT: The key is that the end-of-line anchor is a dollar sign but at times it may be necessary to intersperse the end-of-line anchor through the pattern. If the pattern is interpolating then you might get problems such as uninitialized $\. For instance an acceptable solution here is /^\[INFO\]\s*^(.*?)\s*^\[INFO\]/ms but that does not solve the crux of the first problem. I've changed the anchors to be ^ so there is no interpolation going on, and with this input I'm free to do that. But what about when I really do want to reference EOL with $ in my pattern? How do I get the regex to compile?

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  • Nike + iPod app like customisation ?

    - by Madhup
    Hi, I am very much curious about Nike + iPod app look and feel. They have selected uitabbar buttons red in color The tableviewcell selection style as red in color. The disclosure indicator is also red in color. The solution in my mind for two of these is: I can use a red colored arrow image to use it as accessory view. I can flip between a red colored and white colored view with animation for having the selection style But I am clueless of how the tabbar thing is to be done. I am very curious to know the tricks behind this, I also accept that I may be wrong with my other two solutions. So please suggest the solution for any of the problems. I think all are worth knowing for the developers. Thanks, Madhup

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