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• Can't Reorder a UITableViewCell into _some_ empty sections of a UITableView

  - by Jeremy Lightsmith

  If I have a UITableView in edit mode, w/ reordering turned on, it seems I can't move some (but not all) cells into some (but not all) empty sections. For example, if I have this layout : Section 1 apple banana Section 2 doberman Section 3 Section 4 Then I can move 'doberman' into any slot in section 1 (except after 'banana'), but I can't move it into section 3 or 4 at all. On the other hand, I can move 'apple' & 'banana' into section section 2 (except after 'doberman'), and I CAN move it into section 3, but NOT into section 4. What gives? this seems like buggy behavior. How do people work around it? Is apple aware of this bug?

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• Compilers behave differently with a null parameter of a generic method

  - by Eyal Schneider

  The following code compiles perfectly with Eclipse, but fails to compile with javac: public class HowBizarre { public static <P extends Number, T extends P> void doIt(P value) { } public static void main(String[] args) { doIt(null); } } I simplified the code, so T is not used at all now. Still, I don't see a reason for the error. For some reason javac decides that T stands for Object, and then complains that Object does not conform to the bounds of T (which is true): HowBizarre.java:6: incompatible types; inferred type argument(s) java.lang.Number,java.lang.Object do not conform to bounds of type variable (s) P,T found : <P,T>void required: void doIt(null); ^ Note that if I replace the null parameter with a non-null value, it compiles fine. Which of the compilers behaves correctly and why? Is this a bug of one of them?

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• Checkbox 'Checked' in ListView is restored after scrolling

  - by adrianrdzv

  I'm having the following problem: I have a ListActivity, which its ListView is composed by an icon, text and a checkbox (using LayoutInflater). The Adapter for the ListView extends ResourceCursorAdapter (i.e. the data source of the ListView is retrieved from a database, also the Checked status of each row) Everything works pretty Ok, except when I uncheck/check the checkbox in any row, if I scroll down until the modified checkbox is no longer visible, and then scroll up, the checkbox is restored to its original state. The database IS modified, this is not the problem (i.e. if I modify a row and exit the activity, and enter again, the modified row is displayed Ok). My guess is that this has something to do on how the list is rendered because for some reason the ListView "renders" the original state of all rows when it was first populated when scrolling. I've been looking around for this bug but I don't find anybody that had this problem. I appreciate any advice you have.

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• Using .htaccess to replace backslash in URL with forward-slash

  - by DamienL

  I realise that a backslash should never appear in a URL in a form other than a URL escape code, however in this case the URL's are being generated by a .NET application for generating flashbooks. I have contacted the developer of this application with a bug report. In the interim i would like to use .htaccess to rewrite the offending backslashes. This is how the URLs appear in fiddler debugging proxy. www.example.com/folder/folder/thumbs%5C1.jpg I am using Firefox and it looks as though Firefox is translating them into the URL encoded equivalent ( \ == %5C1 ). Interestingly IE translates the backslash into a forward-slash automatically (not adhering to standards but convenient in this case). Is there a way to use .htaccess to rewrite all \ to /?

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• Why packets injected with libpcap are duplicated?

  - by r0u1i

  I'm using sharppcap in order to send packets as part of a monitoring system. Usually it works well but I've encountered the strangest bug on a hosted vista machine and I would like your help. On that virtual vista machine, injected packets are duplicated. That is, if I send a ping request using libpcap, it somehow gets duplicated and I get two requests on the destination machine. The two requests are almost identical byte-wise, and the only difference between them is that the second packet's TTL field is one minus the original packet's value. Using wireshark I can see the packet gets duplicated before it (and its clone) leave the vista machine. The problem is manifested even when using other tools for injecting packets using libpcap (namely PlayCap). Any ideas?

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• ReportViewer height issue. Hiding scrollbars.

  - by Tommy Jakobsen

  Hi, I'm using MSSQL 2005 Reporting Services and in this case I need to display some reports on an ASP.NET page using the ReportViewer control (I guess thats the only way, right?). The problem is that I can't get the property SizeToReportContent to work. When displaying the report, I get a vertical scrollbar because the report is too large. It looks like an iframe window. Searching on google it seems to be a bug. It can be fixed by setting AsyncRendering to false but I don't want that. I need another solution. I was wondering if it's possible to set the height on the report element using JavaScript after the report has been loaded? Or do you know of another solution? This is really annoying. Thanks in advance.

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• Using php's magic function inside another function does not work

  - by Sirber

  I want to use magic function __set() and __get() for storing SQL data inside a php5 class and I get some strange issue using them inside a function: Works: if (!isset($this->sPrimaryKey) || !isset($this->sTable)) return false; $id = $this->{$this->sPrimaryKey}; if (empty($id)) return false; echo 'yaay!'; Does not work: if (!isset($this->sPrimaryKey) || !isset($this->sTable)) return false; if (empty($this->{$this->sPrimaryKey})) return false; echo 'yaay!'; would this be a php bug?

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• Algorithmic trading software safety guards

  - by Adal

  I'm working on an automatic trading system. What sorts of safe-guards should I have in place? The main idea I have is to have multiple pieces checking each other. I will have a second independent little process which will also connect to the same trading account and monitor simple things, like ensuring the total net position does not go over a certain limit, or that there are no more than N orders in 10 minutes for example, or more than M positions open simultaneously. You can also check that the actual open positions correspond to what the strategy process thinks it actually holds. As a bonus I could run this checker process on a different machine/network provider. Besides the checks in the main strategy, this will ensure that whatever weird bug occurs, nothing really bad can happen. Any other things I should monitor and be aware of?

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• IB not responding to UIImageView moving

  - by Rudiger

  This an incredibly annoying bug. I had a imageView and 2 Labels in a customCell nib. I changed the locations of all of them in the nib and the labels moved, view didn't. I've cleaned my targets, deleted everything relating to it the library, deleted the cell completely, reset the simulator, built it on a different target (3.1.2) and it still compiles the image in the same stupid spot. Can anyone help this is nuts. Sorry for being blunt but completely frustrated. Edit: I have deleted the nib and created it over again by hand, but with the same names. Doesn't fix it. I've checked to see if im moving it somewhere in the code and no dice.

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• belongs_to with a custom class_name not producing proper foreign key in Rails 3

  - by Tony

  I am updating an application to Rails 3 and I am having trouble creating a custom foreign key. I have something like this: class Product < ActiveRecord::Base belongs_to :owner, :class_name => 'User' ... end class User < ActiveRecord::Base has_many :products ... end class ProductsController < ApplicationController before_filter :authenticate_user! def index @products = current_user.products end end The view: <%- @products.each do |p| -%> <%= p.created_at %><br /> <%- end -%> I get this error in my Rails log: Mysql::Error: Unknown column 'products.user_id' in 'where clause': SELECT `products`.* FROM `products` WHERE (`products`.user_id = 1) It should see the belongs_to :owner and look for a foreign key called owner_id. I even tried explicitly setting the foreign key and that does not work. I also checked lighthouse for a possible Rails 3 bug but no luck.

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• C# how to wait for a webpage to finish loading before continuing

  - by MD6380

  I'm trying to create a program to clone multiple bugs at a time through the web interface of our defect tracking system. How can I wait before a page is completely loaded before I continue? //This is pseudo code, but this should give you an idea of what I'm trying to do. The //actual code uses multi-threading and all that good stuff :). foreach (string bug in bugs) { webBrowser.Navigate(new Uri(url)); webBrowser.Document.GetElementById("product").SetAttribute("value", product); webBrowser.Document.GetElementById("version").SetAttribute("value", version); webBrowser.Document.GetElementById("commit").InvokeMember("click"); //Need code to wait for page to load before continuing. }

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• NUnit / Testdriven.Net conflicting results.

  - by panamack

  When I run this test in NUnit = Red Bar. [Test] public void ChangingValueViaPropertyDescriptorRaisesPropertyChangedNotification() { PropertyChangedEventArgs pCEventArgs = null; subjectVM.PropertyChanged += (sender, e) => { pCEventArgs = e; }; PropertyDescriptor descriptor = subjectVM.GetProperties().Find(schoolMeta.Name, false); descriptor.SetValue(null, "School's out for summer."); Assert.IsNotNull(pCEventArgs); Assert.AreEqual("School", pCEventArgs.PropertyName); } However, when I run this test from within Visual Studio with Test Driven .Net it passes. When it fails with NUnit it's because PropertyChanged is null, subjectVM is a View Model classes that inherits PropertyChanged from a base class. Am I to blame, or am I looking at a NUnit bug?

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• Strategies for Error Handling in .NET Web Services

  - by Jarrod

  I have a fairly substantial library of web services built in .NET that I use as a data model for our company web sites. In most .NET applications I use the Global ASAX file for profiling, logging, and creating bug reports for all exceptions thrown by the application. Global ASAX isn't available for web services so I'm curious as to what other strategies people have come up with to work around this limitation. Currently I just do something along these lines: <WebMethod()> _ Public Function MyServiceMethod(ByVal code As Integer) As String Try Return processCode(code) Catch ex As Exception CustomExHandler(ex) 'call a custom function every time to log exceptions Return errorObject End Try End Function Anybody have a better way of doing things besides calling a function inside the Catch?

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• Seemingly normal link does not work in MVC, IIS5, SparkView.

  - by Matt W

  I have a regular link being generated in MVC1.0 as: /Login/Logout This link does not work. The code for it is: <a href="${Links.Logout}" class="SignOut">Sign out</a> As I am using SparkView. I am using IIS5.1 on WinXP Pro. I cannot work out why the link on the page calls the MVC action if I open the link in a separate browser tab but not when I click directly on it in the original page. This feels like a browser bug (Chrome, Firefox, IE8) but they all perform the same way. Thanks, Matt.

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• Java 1.5.0_16 corrupted colours when saving jpg image

  - by Coder

  Hi, i have a loaded image from disk (stored as a BufferedImage), which i display correctly on a JPanel but when i try to re-save this image using the command below, the image is saved in a reddish hue. ImageIO.write(image, "jpg", fileName); Note! image is a BufferedImage and fileName is a File object pointing to the filename that will be saved which end in ".jpg". I have read that there were problems with ImageIO methods in earlier JDKs but i'm not on one of those versions as far as i could find. What i am looking for is a way to fix this issue without updating the JDK, however having said that i would still like to know in what JDK this issue was fixed in (if it indeed is still a bug with the JDK i'm using). Thanks.

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• Firefox redirect response on xhr request

  - by Bogdan Gusiev

  Suppose we have the xhr 'POST' request that returns 'redirect' status code. In that case browser is sending additional xhr 'GET' by the given URL. I am not sure who is doing that call chain: browser itself or js library(using MooTools). The problem is that the second 'GET' request is not recognized as xhr by the server: It doesn't have "X-Requested-With" header contains "XMLHttpRequest" The problem appears only on Firefox, but not on Webkit. So, believe it is not related to js library bug. Does anyone have ideas how to fix it?

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• GAE/J: unable to register a custom ELResolver

  - by dfa

  I need to register a custom ELResolver for a Google App Engine project. Since it must be registered before any request is received, as specified by the Javadoc: It is illegal to register an ELResolver after the application has received any request from the client. If an attempt is made to register an ELResolver after that time, an IllegalStateException is thrown. I'm using a ServletContextListener: public class RegisterCustomELResolver implements ServletContextListener { @Override public void contextInitialized(ServletContextEvent sce) { ServletContext context = sce.getServletContext(); JspApplicationContext jspContext = JspFactory.getDefaultFactory().getJspApplicationContext(context); jspContext.addELResolver(new MyELResolver()); } ... } The problem is that JspFactory.getDefaultFactory() returns always null. I've alreay filled a bug report. Any idea for a workaround?

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• Has anyone noticed that a WPF file dialog will pass a click through to the UI when double clicking t

  - by Ben

  I have some buttons on my WPF UI and I also need to choose files from time to time. I kept noticing strange problems where when I double-click an item in the file dialog, a button on the main UI would also get clicked. After experimenting, it seems that if you line up an item in the file dialog with a button behind it on the main UI and double click to select the file, it will single-click the button behind it as well. Has anyone else noticed this, or is it just a freak bug with the way I have my UI laid out?

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• How do I pipe the Java console output to a file?

  - by Ced

  I found a bug in an application that completely freezes the JVM. The produced stacktrace would provide valuable information for the developers and I would like to retrieve it from the Java console. When the JVM crashes, the console is frozen and I cannot copy the contained text anymore. Is there way to pipe the Java console directly to a file or some other means of accessing the console output of a Java application? Update: I forgot to mention, without changing the code. I am a manual tester. Update 2: This is under Windows XP and it's actually a web start application. Piping the output of javaws jnlp-url does not work (empty file).

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• ESS/AucTeX/Sweave integration

  - by aL3xa

  I'm using GNU/Linux distro (Arch, if that's relevant), Emacs v23.2.1, ESS v5.9 and AucTeX v11.86. I want to setup AucTeX to recognize .Rnw files, so I can run LaTeX on .Rnw files with C-c C-c and get .dvi file automatically. I reckon it's quite manageable by editing .emacs file, but I still haven't got a firm grasp on Elisp. Yet another problem is quite annoying - somehow, LaTeX is not recognizing \usepackage{Sweave} in preambule, so I actually need to copy Sweave.sty file (in my case located in /usr/share/R/texmf/Sweave.sty) to directory where .Rnw file is located (and I'm getting more frustrated with the fact that this is common bug on Windows platforms!) My question boils down to two problems: how to make LaTeX recognize \usepackage{Sweave} (without copying Sweave.sty to "home" folder each time) how to setup AucTeX to compile .Rnw files to .dvi

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• Essential Programming Tools

  - by Mat

  We all have different needs due to the platform and/or stack we work with, and simple programmer preference is famous for starting religious wars. However, in each area there is usually a set of tools that get recommended over and over, even though people might individually prefer one member over the others. Unix text mode code editors, for example, is an extremely contentious issue but no one can deny that most people will choose either vi or emacs. So, without criticising the alternatives, recommend me developement tools. Text editors for different platforms, version control systems, bug trackers, database engines, templating systems... whatever! What do you enjoy using every day? I'll edit together the answers as a list of highly recommended tools in each area. Please don't start discussing which is the best ;)

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• How do you get Eclipse/Mylyn to fill out your commit messages for you?

  - by Sam Hasler

  I've setup the following: Installed Mylyn in Eclipse Installed the Bugzilla connector Installed Subversive SVN Integration for the Mylyn Project I've gone to Windows - Preferences - Tasks - Team and clicked Change Set Management and left it with the default Commit Comment Template: ${task.status} - ${connector.task.prefix} ${task.key}: ${task.description} ${task.url} However, if I activate a bugzilla bug in the Task List, and then edit a file, when I commit the changes the commit message isn't filled in. Also, in the Synchronisation perspective there isn't a change set for the task I'm working on. I've tried following the instructions on the Eclipse wiki's Mylyn FAQ for Why does task change set not appear when I modify files? but the bullet point: * Verify that the configured Synchronize View is configured for change sets. points to a section that is no longer in the document. I have a Show Change Sets button, but clicking it only shows me incoming change sets, there aren't any outgoing change sets. What am I missing?

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• Servlet receives OPTIONS instead of GET requests from jQuery?

  - by Urs

  All I want to achieve is to implement a servlet providing a json feed for my fullcalendar application. When I inspect http://arshaw.com/js/fullcalendar/examples/json.html with Bugzilla, I see that GET-requests are sent to receive the json feed. However, when I use this example within my scenario, fullcalendar seems to send OPTIONS-requests. The only difference is that I replaced "events: "json-events.php" with "http://localhost:8080/CalendarServletTest/HelloWorldServlet" (the url of my servlet). What do I miss? Or is this really a bug?

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• OutOfMemoryError calling XmlSerializer.Deserialize() - not related to XML size!

  - by Mike Atlas

  This is a really crazy bug. The following is throwing an OutOfMemoryException, for XML snippits that are very short (e.g., <ABC def='123'/>) of one type, but not for others of the same size but a different type: (e.g., <ZYX qpr='baz'/>). public static T DeserializeXmlNode<T>(XmlNode node) { try { return (T)new XmlSerializer(typeof(T)) .Deserialize(new XmlNodeReader(node)); } catch (Exception ex) { throw; // just for catching a breakpoint. } } I read in this MSDN article that if I were using XmlSerializer with additional parameters in the constructor, I'd end up generating un-cached serializer assemblies every it got called, causing an Assembly Leak. But I'm not using additional parameters in the constructor. It also happens on the first call, too, so the AppDomain is fresh. Worse yet, it is only thrown in release builds, not debug builds. What gives?

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• AutoKey - clipboard.get_selection() function fails on certain strings

  - by LonnieBest

  I've simplified my script so you can focus on the essence my problem. In AutoKey (not AutoHotKey), I made a Hot-Key (shift-alt-T) that performs this script on any string I have highlighted (like in gedit for example -- but any other gui editor too). strSelectedText = clipboard.get_selection() keyboard.send_keys(" " + strSelectedText) The script modifies the highlighted text and adds a space to the beginning of the string. It works for most strings I highlight, but not this one: * Copyright © 2008–2012 Lonnie Best. Licensed under the MIT License. It works for this string: * Add a Space 2.0.1 but not on this one: * Add a Space 2.0.1 – At the python command prompt, it has no problem any of those strings, yet the clipboard.get_selection() function seems to get corrupted by them. I'm rather new to python scripting, so I'm not sure if this is an AutoKey bug, or if I'm missing some knowledge I should know about encoding/preparing strings in python. Please help. I'm doing this on Ubuntu 12.04: sudo apt-get install autokey-qt

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