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  • Problems calling Cufon.Replace from within a function

    - by Kenny Bones
    Hi, I'm doing a content loader and the content that gets loaded needs some Cufon action. And that doesn't work right now since I only apply Cufon when the initial page loads. And not the newly loaded content. Now, shouldn't this be working? function loadContent() { $('#content').load(toLoad,'',showNewContent()) Cufon.replace('h1, h2, h3, h4, .menuwrapper', { fontFamily: 'advent'});} Or am I not getting something? I've also tried calling Cufon.Replace right after the procedure that calls the loadContent function, but that only applies the Cufon the next time I click a link. $('.dynload').live('click', function(){ var toLoad = $(this).attr('href')+' #content'; $('#content').fadeOut('fast',loadContent); $('#ajaxloader').fadeIn('normal'); window.location.hash = $(this).attr('href').substr(0,$(this).attr('href').length); Cufon.replace('h1, h2, h3, h4, .menuwrapper', { fontFamily: 'advent'}); How can I make sure Cufon is applied as soon as possible after loading new content? I was thinking about calling Cufon.replace the moment before the new content is faded in. But this doesn't seem to be working.

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  • FindBugs controversial description

    - by Tom Brito
    Am I understanding it wrong, or is the description wrong? Equals checks for noncompatible operand (EQ_CHECK_FOR_OPERAND_NOT_COMPATIBLE_WITH_THIS) This equals method is checking to see if the argument is some incompatible type (i.e., a class that is neither a supertype nor subtype of the class that defines the equals method). For example, the Foo class might have an equals method that looks like: public boolean equals(Object o) { if (o instanceof Foo) return name.equals(((Foo)o).name); else if (o instanceof String) return name.equals(o); else return false; This is considered bad practice, as it makes it very hard to implement an equals method that is symmetric and transitive. Without those properties, very unexpected behavoirs are possible. From: http://findbugs.sourceforge.net/bugDescriptions.html#EQ_CHECK_FOR_OPERAND_NOT_COMPATIBLE_WITH_THIS The description says that the Foo class might have an equals method like that, and after it says that "This is considered bad practice". I'm not getting the "right way".. How should the following method be to be right? @Override public boolean equals(Object obj) { if (obj instanceof DefaultTableModel) return model.equals((DefaultTableModel)obj); else return false; }

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  • CakePHP, CodeIgniter or Rails for multi-user Tumblr clone?

    - by Jordan
    I'm about to start building a tumblr clone that handles multiple users (so premade clones like Gelato won't cut it) and I'm not sure which framework I'd like to build this is. Right now, I'm only intending to build a prototype. Something I can get a dozen friends on to test the concept and grow to maybe a couple hundred users to prove the market, so I'm not worried about long term scale. My biggest concern right now is quick deployment. I'd like to get from zero to signups in as short a time as possible, with as little customization to the framework of choice as possible. I have experience with PHP, but not Ruby. However, I don't think the learning curve would be too steep so I'm not ruling out rails. I just want the framework that is most appropriate for a system like a multi-user tumblr clone so that I can build it with as little hassle, and as quickly, as possible. If anyone has experience with a similar project, or with these frameworks and can offer an insightful perspective, I'd be very appreciative. Thanks for taking the time to read. Cheers, ~Jordan Feldstein

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  • [Architecture] Roles for white-label service access.

    - by saurabhj
    Okay, I know I'm doing something wrong - but can't figure out a better way. I am developing a website which is going to allow users to setup their own mini-websites. Something like Ning. Also, I have only 1 basic login and access to each mini website is provided (right now) via roles. So the way I am doing this right now is: Everytime a new mini website is created - say blah, I create 2 roles in my application. blah_users and blah_admin The user creating the mini website is given the role - blah_admin and every other user wanting to join this mini website (or network) is given the role - blah_user. Anyone can view data from any website. However to add data, one must be a member of that mini site (must have the blah_user role assigned) The problem that I am facing is that by doing a role based system, I'm having to do loads of stuff manually. Asp.Net 2 controls which work on the User.IsAunthenticated property are basically useless to me now because along with the IsAuthenticated property, I must also check if the user has the proper role. I'm guessing there is a better way to architect the system but I am not sure how. Any ideas? This website is being developed in ASP.Net 2 on IIS 6. Thanks a tonne!

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  • Efficient Context-Free Grammar parser, preferably Python-friendly

    - by Max Shawabkeh
    I am in need of parsing a small subset of English for one of my project, described as a context-free grammar with (1-level) feature structures (example) and I need to do it efficiently . Right now I'm using NLTK's parser which produces the right output but is very slow. For my grammar of ~450 fairly ambiguous non-lexicon rules and half a million lexical entries, parsing simple sentences can take anywhere from 2 to 30 seconds, depending it seems on the number of resulting trees. Lexical entries have little to no effect on performance. Another problem is that loading the (25MB) grammar+lexicon at the beginning can take up to a minute. From what I can find in literature, the running time of the algorithm used to parse such a grammar (Earley or CKY) should be linear to the size of the grammar and cubic to the size of the input token list. My experience with NLTK indicates that ambiguity is what hurts the performance most, not the absolute size of the grammar. So now I'm looking for a CFG parser to replace NLTK. I've been considering PLY but I can't tell whether it supports feature structures in CFGs, which are required in my case, and the examples I've seen seem to be doing a lot of procedural parsing rather than just specifying a grammar. Can anybody show me an example of PLY both supporting feature structs and using a declarative grammar? I'm also fine with any other parser that can do what I need efficiently. A Python interface is preferable but not absolutely necessary.

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  • CSS - Overlaying one image on top of another

    - by Jack W-H
    Hey folks! I can't best describe this in words, so I'll show you with pictures. Here's how my designer intends the Gravatar images to look in the sidebar of our site: Here's the overlay image I made (screenshotted from Photoshop): Here's how it looks right now... Not quite ideal, I think you'll agree. This is the CSS code I am using: .gravatarsidebar { float:left; padding:0px; width:70px; } .gravataroverlay { width:68px; height:68px; background-image: url('http://localhost:8888/images/gravataroverlay.png'); } And here's the XHTML (and a sprinkle of PHP to fetch the Gravatar based on the user's email address, which is fetched from our database): <div class="gravataroverlay"></div> <div class="gravatarsidebar"> <?php $gravatar_link = 'http://www.gravatar.com/avatar/' . md5($email) . '?s=68'; echo '<img src="' . $gravatar_link . '" alt="Gravatar" />'; ?> </div> So what can I do? I can't use relative positioning as it makes the word 'Search' in the div below stay moved to the right. Thanks for your help! Jack

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  • WPF Exposing a calculated property for binding (as DependencyProperty)

    - by kubal5003
    Hello, I have a complex WPF control that for some reasons (ie. performance) is not using dependency properties but simple C# properties (at least at the top level these are exposed as properties). The goal is to make it possible to bind to some of those top level properties - I guess I should declare them as DPs.(right? or is there some other way to achieve this? ) I started reading on MSDN about DependencyProperties and DependencyObjects and found an example: public class MyStateControl : ButtonBase { public MyStateControl() : base() { } public Boolean State { get { return (Boolean)this.GetValue(StateProperty); } set { this.SetValue(StateProperty, value); } } public static readonly DependencyProperty StateProperty = DependencyProperty.Register( "State", typeof(Boolean), typeof(MyStateControl),new PropertyMetadata(false)); } If I'm right - this code enforces the property to be backed up by DependencyProperty which restricts it to be a simple property with a store(from functional point of view, not technically) instead of being able to calculate the property value each time getter is called and setting other properties/fields each time setter is called. What can I do about that? Is there any way I could make those two worlds meet at some point?

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  • Character encoding issues when generating MD5 hash cross-platform

    - by rogueprocess
    This is a general question about character encoding when using MD5 libraries in various languages. My concern is: suppose I generate an MD5 hash using a native Python string object, like this: message = "hello world" m = md5() m.update(message) Then I take a hex version of that MD5 hash using: m.hexdigest() and send the message & MD5 hash via a network, let's say, a JMS message or a HTTP request. Now I get this message in a Java program in the form of a native Java string, along with the checksum. Then I generate an MD5 hash using Java, like this (using the Commons Codec library): String md5 = org.apache.commons.codec.digest.DigestUtils.DigestUtils.md5Hex(s) My feeling is that this is wrong because I have not specified character encodng at either end. So the original hash will be based on the bytes of the Python version of the string; the Java one will be based on the bytes of the Java version of the string , these two byte sequences will often not be the same - is that right? So really I need to specify "UTF-8" or whatever at both ends right? (I am actually getting an intermittent error in my code where the MD5 checksum fails, and I suspect this is the reason - but because it's intermittent, it's difficult to say if changing this fixes it or not. ) Thank you!

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  • Help with route rewrite in asp.net mvc

    - by NachoF
    Im having a really hard time understanding routing. Please help me with this problem. Each of my controllers have these three actions right now Users have Index, Create and Edit Locations have Index, Create and Edit Companies have Index, Create and Edit The thing is, it all gets done through ajax. I have jquery ui tabs with two tabs for each, Create and Edit So the Index method is always the one that gets called for action links. and inside this main view is that you can call(by clicking on the tab icon) the other methods that return an ajax view that gets output into the jqeury tab (I hope thats clear) I have a sidebar with links to the controllers. and to specific methods of these controllers. The wanted behavior is that it should actually go into the Index Method and then with some logic autoload the wanted tab. It all works just fine right now. But my urls are horrible. To get to the create method for Users I have to go this url http://localhost/Users/Index/1 http://localhost/Users/Index/2 I want the behavior of these links to be remapped to these links http://localhost/Users/Create http://localhost/Users/Edit So even though it seems as if you are calling the Create method of the controller you are actualling always calling the Index Method.... (I know how to transform Create into "1" and Edit into two, so dont worry about that part Hope thats clear. Thanks in advance Edit: Just realized that this might not be possible cause then when I actually need to call the methods (with ajax) it wont know what to do.... am I correct?

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  • Spy++ for PowerBuilder applications

    - by Frerich Raabe
    Hi, I'm trying to write a tool which lets me inspect the state of a PowerBuilder-based application. What I'm thinking of is something like Spy++ (or, even nicer, 'Snoop' as it exists for .NET applications) which lets me inspect the object tree (and properties of objects) of some PowerBuilder-based GUI. I did the same for ordinary (MFC-based) applications as well as .NET applications already, but unfortunately I never developed an application in PowerBuilder myself, so I'm generally thinking about two problems at this point: Is there some API (preferably in Java or C/C++) available which lets one traverse the tree of visual objects of a PowerBuilder application? I read up a bit on the PowerBuilder Native Interface system, but it seems that this is meant to write PowerBuilder extensions in C/C++ which can then be called from the PowerBuilder script language, right? If there is some API available - maybe PowerBuilder applications even expose some sort of IPC-enabled API which lets me inspect the state of a PowerBuilder object hierarchy without being within the process of the PowerBuilder application? Maybe there's an automation interface available, or something COM-based - or maybe something else? Right now, my impression is that probably need to inject a DLL into the process of the PowerBuilder application and then gain access to the running PowerBuilder VM so that I can query it for the object tree. Some sort of IPC mechanism will then let me transport this information out of the PowerBuilder application's process. Does anybody have some experience with this or can shed some light on whether anybody tried to do this already? Best regards, Frerich

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  • Sending Email from Lotus Notes using Excel and having Attachment & HTML body

    - by Anthony
    Right I'm trying to send an Email form an excel spreadsheet though lotus notes, it has an attachment and the body needs to be in HTML. I've got some code that from all I've read should allow me to do this however it doesn't. Without the HTML body the attachment will send, when I impliment a HTML body the Email still sends but the attachment dissapears, I've tried rearanging the order of the code cutting out bits that might not be needed but all is invain. (You need to reference Lotus Domino Objects to run this code. strEmail is the email addresses strAttach is the string location of the attachment strSubject is the subject text strBody is the body text ) Sub Send_Lotus_Email(strEmail, strAttach, strSubject, strBody) Dim noSession As Object, noDatabase As Object, noDocument As Object Dim obAttachment As Object, EmbedObject As Object Const EMBED_ATTACHMENT As Long = 1454 Set noSession = CreateObject("Notes.NotesSession") Set noDatabase = noSession.GETDATABASE("", "") 'If Lotus Notes is not open then open the mail-part of it. If noDatabase.IsOpen = False Then noDatabase.OPENMAIL 'Create the e-mail and the attachment. Set noDocument = noDatabase.CreateDocument Set obAttachment = noDocument.CreateRichTextItem("strAttach") Set EmbedObject = obAttachment.EmbedObject(EMBED_ATTACHMENT, "", strAttach) 'Add values to the created e-mail main properties. With noDocument .Form = "Memo" .SendTo = strEmail '.Body = strBody ' Where to send the body if HTML body isn't used. .Subject = strSubject .SaveMessageOnSend = True End With noSession.ConvertMIME = False Set Body = noDocument.CreateMIMEEntity("Body") ' MIMEEntity to support HTML Set stream = noSession.CreateStream Call stream.WriteText(strBody) ' Write the body text to the stream Call Body.SetContentFromText(stream, "text/html;charset=iso-8859-1", ENC_IDENTITY_8BIT) noSession.ConvertMIME = True 'Send the e-mail. With noDocument .PostedDate = Now() .Send 0, strEmail End With 'Release objects from the memory. Set EmbedObject = Nothing Set obAttachment = Nothing Set noDocument = Nothing Set noDatabase = Nothing Set noSession = Nothing End Sub If somone could point me in the right direction I'd be greatly appreciated. Edit: I've done a little more investigating and I've found an oddity, if i look at the sent folder the emails all have the paperclip icon of having an attachment even though when you go into the email even in the sent the HTML ones don't show an attachment.

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  • Wordpress displays posts of category ID

    - by Miker
    Can't seem to find the right answer for what I thought would be trivial. I have some categories arranged like this... Parent Category 1 - Child Category 1 - Child Category 2 - Child Category 3 ...and I have some posts that are in Child Category 2. I want my page to display all posts from the category I am currently in. This is what I am doing right now: <?php query_posts('cat=2&showposts=10'); if (have_posts()) : while (have_posts()) : the_post(); ?> <div class="timeline"> <h3><?php the_title(); ?></h3> <?php the_content();?> <?php endwhile; else: ?> <?php _e('No Posts Sorry.'); ?> <?php endif; ?> </div> As you can see I am having to manually specify the category (cat=2), but instead I want it to automatically detect the category I am already in and display the posts (that way if I'm in a different category it will display those posts). Any suggestions? Thanks in advance. (SO Community = Awesome Sauce).

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  • "Executing SQL directly; no cursor" error when using SCOPE_IDENTITY

    - by Chris
    There wasn't much on google about this error, so I'm askin here. I'm switching a PHP web application from using MySQL to SQL Server 2008 (using ODBC, not php_mssql). Running queries or anything else isn't a problem, but when I try to do scope_identity (or any similar functions), I get the error "Executing SQL directly; no cursor". I'm doing this immediately after an insert, so it should still be in scope. Running the same insert statement then query for the insert ID works fine in SQL Server Management Studio. Here's my code right now (everything else in the database wrapper class works fine for other queries, so I'll assume it isn't relevant right now): function insert_id(){ $x = $this->query_first("SELECT SCOPE_IDENTITY('session_log') as insert_id"); echo "($x)"; return $x; } query_first being a function that returns the first result from the first field of a query (basically the equivalent of execute_scalar() on .net). The full error message: Warning: odbc_exec() [function.odbc-exec]: SQL error: [Microsoft][SQL Server Native Client 10.0][SQL Server]Executing SQL directly; no cursor., SQL state 01000 in SQLExecDirect in C:[...]\Database_MSSQL.php on line 110

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  • Graphviz or Dynagraph for Graph-manipulation Program?

    - by noahlavine
    I'm looking into writing a program that will show a graph to the user. The graph will change over time (the user should be able to right-click on a graph item and ask for more detail, which will pop out new bits of the graph), and the user might be able to drag parts of the graph around. I would ideally also like to be able to specify the relative layout of certain parts of the graph myself while leaving the overall layout up to a library, but that's not essential. I'm trying to decide on a graph layout library to use. As far as I can tell, the two leading candidates are Graphviz and Dynagraph. The Dynagraph website suggests that Graphviz is for drawing static graphs, and that Dynagraph was forked from Graphviz and contains algorithms for graphs that will be updated. It has a sample program called Dynasty that does exactly what I want. However, the Graphviz site contains an example program called Lefty which seems to do exactly what I want. Graphviz also seems to be much more widely used, judging by Google (and SO) results. Finally, I'd like to code the GUI part in a language like Python or Scheme, which makes me a bit hesitant to use C++ because I understand it's harder to interface that to interpreters. So my question is, which library is better for what I'm trying to do? Do they both have strong and weak points? Has one of them actually ceased development and is just leaving its website up to confuse me? (I've seen http://stackoverflow.com/questions/464000/simple-dynamic-graph-display-for-c and http://stackoverflow.com/questions/2376987/open-source-libraries-to-design-directed-graphs, but I can't tell whether they're right about the Graphviz or Dynagraph choice because of Lefty and also the language issue.)

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  • C# Static constructors design problem - need to specify parameter

    - by Neil Dobson
    I have a re-occurring design problem with certain classes which require one-off initialization with a parameter such as the name of an external resource such as a config file. For example, I have a corelib project which provides application-wide logging, configuration and general helper methods. This object could use a static constructor to initialize itself but it need access to a config file which it can't find itself. I can see a couple of solutions, but both of these don't seem quite right: 1) Use a constructor with a parameter. But then each object which requires corelib functionality should also know the name of the config file, so this has to be passed around the application. Also if I implemented corelib as a singleton I would also have to pass the config file as a parameter to the GetInstance method, which I believe is also not right. 2) Create a static property or method to pass through the config file or other external parameter. I have sort of used the latter method and created a Load method which initializes an inner class which it passes through the config file in the constructor. Then this inner class is exposed through a public property MyCoreLib. public static class CoreLib { private static MyCoreLib myCoreLib; public static void Load(string configFile) { myCoreLib = new MyCoreLib(configFile); } public static MyCoreLib MyCoreLib { get { return myCoreLib; } } public class MyCoreLib { private string configFile; public MyCoreLib(string configFile) { this.configFile = configFile; } public void DoSomething() { } } } I'm still not happy though. The inner class is not initialized until you call the load method, so that needs to be considered anywhere the MyCoreLib is accessed. Also there is nothing to stop someone calling the load method again. Any other patterns or ideas how to accomplish this?

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  • Issues in Convergence of Sequential minimal optimization for SVM

    - by Amol Joshi
    I have been working on Support Vector Machine for about 2 months now. I have coded SVM myself and for the optimization problem of SVM, I have used Sequential Minimal Optimization(SMO) by Mr. John Platt. Right now I am in the phase where I am going to grid search to find optimal C value for my dataset. ( Please find details of my project application and dataset details here http://stackoverflow.com/questions/2284059/svm-classification-minimum-number-of-input-sets-for-each-class) I have successfully checked my custom implemented SVM`s accuracy for C values ranging from 2^0 to 2^6. But now I am having some issues regarding the convergence of the SMO for C 128. Like I have tried to find the alpha values for C=128 and it is taking long time before it actually converges and successfully gives alpha values. Time taken for the SMO to converge is about 5 hours for C=100. This huge I think ( because SMO is supposed to be fast. ) though I`m getting good accuracy? I am screwed right not because I can not test the accuracy for higher values of C. I am actually displaying number of alphas changed in every pass of SMO and getting 10, 13, 8... alphas changing continuously. The KKT conditions assures convergence so what is so weird happening here? Please note that my implementation is working fine for C<=100 with good accuracy though the execution time is long. Please give me inputs on this issue. Thank You and Cheers.

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  • Help with understanding generic relations in Django (and usage in Admin)

    - by saturdayplace
    I'm building a CMS for my company's website (I've looked at the existing Django solutions and want something that's much slimmer/simpler, and that handles our situation specifically.. Plus, I'd like to learn this stuff better). I'm having trouble wrapping my head around generic relations. I have a Page model, a SoftwareModule model, and some other models that define content on our website, each with their get_absolute_url() defined. I'd like for my users to be able to assign any Page instance a list of objects, of any type, including other page instances. This list will become that Page instance's sub-menu. I've tried the following: class Page(models.Model): body = models.TextField() links = generic.GenericRelation("LinkedItem") @models.permalink def get_absolute_url(self): # returns the right URL class LinkedItem(models.Model): content_type = models.ForeignKey(ContentType) object_id = models.PositiveIntegerField() content_object = generic.GenericForeignKey('content_type', 'object_id') title = models.CharField(max_length=100) def __unicode__(self): return self.title class SoftwareModule(models.Model): name = models.CharField(max_length=100) description = models.TextField() def __unicode__(self): return self.name @models.permalink def get_absolute_url(self): # returns the right URL This gets me a generic relation with an API to do page_instance.links.all(). We're on our way. What I'm not sure how to pull off, is on the page instance's change form, how to create the relationship between that page, and any other extant object in the database. My desired end result: to render the following in a template: <ul> {% for link in page.links.all %} <li><a href='{{ link.content_object.get_absolute_url() }}'>{{ link.title }}</a></li> {% endfor%} </ul> Obviously, there's something I'm unaware of or mis-understanding, but I feel like I'm, treading into that area where I don't know what I don't know. What am I missing?

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  • UIView Animation animates position but not width

    - by Aaron Vegh
    Hi there, I'm trying to transform a UISearchBar, like in Mobile Safari: touch in the search field and it grows while the location field shrinks. My current animation to alter the width and position of the search field only animates the position: just before it slides to the right place, it simply snaps out to the right width. Here's my code: [UIView beginAnimations:@"searchGrowUp" context:nil]; [UIView setAnimationCurve:UIViewAnimationCurveEaseIn]; [UIView setAnimationDuration:0.5f]; [UIView setAnimationDelegate:self]; CGFloat findFieldWidth = findField.frame.size.width; CGFloat urlFieldWidth = urlField.frame.size.width; CGRect findFieldFrame = findField.frame; CGRect urlFieldFrame = urlField.frame; findFieldFrame.origin.x = findFieldFrame.origin.x - 150.0f; findFieldFrame.size.width = findFieldWidth + 150.0f; urlFieldFrame.size.width = urlFieldWidth - 150.0f; urlField.frame = urlFieldFrame; findField.frame = findFieldFrame; [UIView commitAnimations]; I've modified this code slightly for the sake of presenting it here, but I hope this gives the gist. Any guesses as to why this is happening would be appreciated! Cheers, Aaron.

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  • AdMob ad in iPhone app makes App content disappear when "done" is pressed!

    - by nephilite
    Hello All, When I return from an adMob ad by hitting "done" the content of my app has disappeared ! All that remains is a background image I had attached directly to the main window. Oddly I can still hear the result of my touch events from my main screen (which is now gone). This may be related to the issue some people have had regarding a 20 pixel move involving the toolbar...I see something to that effect as the ad starts to overlay. I have admob in another app that is working fine, and I notice when the ad opens in that app the ad content fills the whole screen EXCEPT the top toolbar (it starts right under it). In the new app I'm working on right now this isn't the case. When the ad starts to open I see the tool bar vanish, then the add comes in and fills the entire screen (including the area where the tool bar was); then when I click done and the the ad goes away everything under it is gone as well. It may be worth noting that the App I had working was 2.x and the current app is 3.x (and thus using the admob 3.0 libraries). This is very odd and deal-breaking; I need help ASAP The relevant part of my view hierarchy is as follows: AppDelegate - ViewController - MainView (Ad is in here) There are also some other Views that are children of the ViewController and a UITabbar is also a subview of the ViewController (programmatically declared, not a UITabBar Controller). Any help you can offer would be extremely appreciate...I need to resolve this issue ASAP, release in two days! Thanks!!

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  • FindBugs controversal description

    - by Tom Brito
    Am I understanding it wrong, or is the description wrong? Equals checks for noncompatible operand (EQ_CHECK_FOR_OPERAND_NOT_COMPATIBLE_WITH_THIS) This equals method is checking to see if the argument is some incompatible type (i.e., a class that is neither a supertype nor subtype of the class that defines the equals method). For example, the Foo class might have an equals method that looks like: public boolean equals(Object o) { if (o instanceof Foo) return name.equals(((Foo)o).name); else if (o instanceof String) return name.equals(o); else return false; This is considered bad practice, as it makes it very hard to implement an equals method that is symmetric and transitive. Without those properties, very unexpected behavoirs are possible. From: http://findbugs.sourceforge.net/bugDescriptions.html#EQ_CHECK_FOR_OPERAND_NOT_COMPATIBLE_WITH_THIS The description says that the Foo class might have an aquals method like that, and after it says that "This is considered bad practice". I'm not getting the "right way".. How should the following method be to be right? @Override public boolean equals(Object obj) { if (obj instanceof DefaultTableModel) return model.equals((DefaultTableModel)obj); else return false; }

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  • HTTP requests and Apache modules: Creative attack vectors

    - by pinkgothic
    Slightly unorthodox question here: I'm currently trying to break an Apache with a handful of custom modules. What spawned the testing is that Apache internally forwards requests that it considers too large (e.g. 1 MB trash) to modules hooked in appropriately, forcing them to deal with the garbage data - and lack of handling in the custom modules caused Apache in its entirety to go up in flames. Ouch, ouch, ouch. That particular issue was fortunately fixed, but the question's arisen whether or not there may be other similar vulnerabilities. Right now I have a tool at my disposal that lets me send a raw HTTP request to the server (or rather, raw data through an established TCP connection that could be interpreted as an HTTP request if it followed the form of one, e.g. "GET ...") and I'm trying to come up with other ideas. (TCP-level attacks like Slowloris and Nkiller2 are not my focus at the moment.) Does anyone have a few nice ideas how to confuse the server and/or its modules to the point of self-immolation? Broken UTF-8? (Though I doubt Apache cares about encoding - I imagine it just juggles raw bytes.) Stuff that is only barely too long, followed by a 0-byte, followed by junk? et cetera I don't consider myself a very good tester (I'm doing this by necessity and lack of manpower; I unfortunately don't even have a more than basic grasp of Apache internals that would help me along), which is why I'm hoping for an insightful response or two or three. Maybe some of you have done some similar testing for your own projects? (If stackoverflow is not the right place for this question, I apologise. Not sure where else to put it.)

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  • C# i am trying to make a zoom effect

    - by thrillercd
    Pls help! i am trying to make a zoom effect on a picturebox by mouse wheel.Everything is ok except that when i use mouse middle button to zoom in or zoom out it is ok but it does not zoom in or zoom out the point which the mouse cursor on.when i zoom in the point what i want it always slide .Pls help me to add a snippet code to make it right working. Here is my code. I am trying to make a zoom effect on a picturebox by mouse wheel. Everything is ok except that when I use mouse middle button to zoom in or zoom out it is ok but it does not zoom in or zoom out the point which the mouse cursor on. When I zoom in the point what I want it always slide. Please help me to add a snippet code to make it right working. Here is my code: int i = 5; int index = 10; private double[] zoomfactor = { .25, .33, .50, .66, .80, 1, 1.25, 1.5, 2.0, 2.5, 3.0 }; private void Zoom(int i) { double new_Zoom = zoomfactor[i]; imgBox.Width = Convert.ToInt32(imgBox.Image.Width * new_Zoom); imgBox.Height = Convert.ToInt32(imgBox.Image.Height * new_Zoom); } private void On_wheel(object sender, System.Windows.Forms.MouseEventArgs e) { i = i + e.Delta / 120; if (i < 0) { i = 0; } else { if (i <= index) i = i; else i = index; } Zoom(i); }

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  • Solutions for working with multiple branches in ASP.Net

    - by Corey McKinnon
    At work, we are often working on multiple branches of our product at one time. For example, right now, we have a maintenance branch, a branch with code just going to QA, and a branch for a new major initiative, that won't be merged for some time now. Our web project is set up to use IIS, so every time we switch to a different branch, we have to go in to IIS Admin and change the path on the virtual directory, then reset IIS, and sometimes even restart Visual Studio, to avoid getting build errors. Is there any way to simplify this, other than not having our web project set up as a virtual directory? I'm not sure we want to make that change at this point. What do you do to make this easier, assuming you do this? Corey @RedWolves, virtual machines would definitely work, but I'm not sure it would be any simpler, especially for some of the other developers on my team, which is partly why I'm looking for more simplicity. @Dan, we're not able to change source control providers, unfortunately. @pix0r, that's something I'll try when I get back to work. Thanks for the suggestion. @Haacked, I'll have to give that a try too, but I think we have some issues with why that won't work (I can't remember exactly why right now; this application was originally written in .Net 1.1, pre-Cassini, and I can't remember if we tried it when we upgraded to 2.0 or not). Thanks all for the responses so far.

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  • Bind a subclass to property

    - by Neir0
    Hi i have a simple question. Ofcourse it has many answers but i cannt choose right keywords to google. How i can bind a subclass to my wpf control? for example: It's my class. public class SiteFieldInfo<T> { public string Name { get; set; } public T Value { get; set; } public List<string> PositiveXPathExpressions { get; set; } public List<string> NegativeXPathExpressions { get; set; } } public class SiteInfo { public SiteFieldInfo<string> Author { get; set; } public SiteFieldInfo<DateTime> Date { get; set; } public SiteFieldInfo<string> Source { get; set; } } And i want to bind property Value from SiteFieldInfo to Text property of TextBox control. c# code: stackPanel1.DataContext = SiteInfoInstance; xaml code: <StackPanel Name="stackPanel1"> <TextBlock Text="Author" Grid.Row="0" Grid.Column="0" /> <TextBox Grid.Row="0" Grid.Column="1" Text="{Binding Path=Author.Value}" /> </StackPanel> It's not working. What is right syntax or any alternatives?

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  • According to MSDN ReadFile() Win32 function may incorrectly report read operation completion. When?

    - by Martin Dobšík
    The MSDN states in its description of ReadFile() function (http://msdn.microsoft.com/en-us/library/aa365467%28VS.85%29.aspx): “If hFile is opened with FILE_FLAG_OVERLAPPED, the lpOverlapped parameter must point to a valid and unique OVERLAPPED structure, otherwise the function can incorrectly report that the read operation is complete.” I have some applications that are violating the above recommendation and I would like to know the severity of the problem. I mean the program uses named pipe that has been created with FILE_FLAG_OVERLAPPED, but it reads from it using the following call: ReadFile(handle, &buf, n, &n_read, NULL); That means it passes NULL as the lpOverlapped parameter. That call should not work correctly in some circumstances according to documentation. I have spent a lot of time trying to reproduce the problem, but I was unable to! I always got all data in right place at right time. I was testing only Named Pipes though. Would anybody know when can I expect that ReadFile() will incorrectly return and report successful completion even the data are not yet in the buffer? What would have to happen in order to reproduce the problem? Does it happen with files, pipes, sockets, consoles, or other devices? Do I have to use particular version of OS? Or particular version of reading (like register the handle to I/O completion port)? Or particular synchronization of reading and writing processes/threads? Or when would that fail? It works for me :/ Please help! With regards Martin

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