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  • iPhone: Push Navigation Controller (w/ TableViewController) onto stack. Is this possible?

    - by Nic Hubbard
    I have a view which contains a UIButton. When this is clicked, it calls a method that loads another NIB. Now, normally, that nib would load a view onto the stack, and everything would be fine. But, I am trying to load a Navigation Controller (so that I can have table views that are multiple levels deep), and all I get it errors. What is the proper method for loading a Navigation Controller and putting it on the top of the stack?

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  • To get which function threw exception in javascript

    - by uzay95
    I am trying to create a Exception class to get and send errors from client to server. I want to catch exception in javascript function and push the details to the web service to write to database. But i couldn't get how to get which function/line throwed this exception. Is there any way to solve this?

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  • Can't compile code when working with CALayer

    - by Sheehan Alam
    For some reason I get linker errors when I try and use CALayer: "_OBJC_CLASS_$_CALayer", referenced from: I have imported the following headers: #import <Foundation/Foundation.h> #import <UIKit/UIKit.h> #import <QuartzCore/QuartzCore.h> Code: arrowImage = [[CALayer alloc] init];

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  • MySQL data type: Text,,, Erroring: Data Too Long

    - by nobosh
    I have a field as follows in MySQL: Type: Text Length: 0 Decimals: 0 And when I try to insert data around the size of 4 pages of MS Word, Coldfusion errors with: Data Too Long from the DB. I thought TEXT data type was able to expand and handle this size of data? What am I missing and what can I do?

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  • Regular expression for bounce email message

    - by Ryan
    I am looking for a regular expression (or other method if there is such a thing) for detecting bounce email messages. So far I have been going through our unattended mail box and adding strings that I find into a regex. I figured someone would have something that is already complete rather than me re-inventing the wheel. Here is an example of what I have so far: /reason: 550|permanent fatal errors|Error 550|Action: Failed|Mailbox does not exist|Delivery to the following recipients failed/i

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  • Visual Studio 2010, using VB.NET. Intellisense does not recognize new property until I recompile

    - by Velika
    I have an ASP.NET VB.NET web project that references a VB.NET class library. I add a new property to a class in the class library, then, from the web app, I expect to be able to use it immediately w/o errors and with full intellisense. It used to work in 2008. When I compile the class library, it becomes available but not until. Was this nice feature taken away, perhaps in the interest of speed?

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  • How install gems locally?

    - by metdos
    I have no internet connection on server machine, so I need to install gems locally. I tried gem install rails-2.3.4.gem But, I'm getting errors. How Can I install gems locally. Thanks.

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  • Listings in Latex with UTF-8 (or at least german umlauts)

    - by Janosch
    Trying to include a source-file into my latex document using the listings package, i got problems with german umlauts inside of the comments in the code. Using \lstset{ extendedchars=\true, inputencoding=utf8x } Umlauts in the source files (encoded in UTF-8 without BOM) are processed, but they are somehow moved to the beginning of the word they are contained in. So // die Größe muss berücksichtigt werden in the input source file, becomes // die ößGre muss übercksichtigt werden in the output file. NOTE: since i found errors in my initial setup, i heavily edited this question

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  • Apache server randomly stopped working yesterday. How can I fix it?

    - by Clueless
    I use Apache version 2.2.11 through WampServer to host a website. Every time during the last week I tried to connect to localhost it went through and everything was fine. Now all of a sudden I get errors. I didn't change the configuration or anything as far as I know, it just stopped working for no apparent reason. As I said before, it's been working fine. Any way I can get it back up and working again?

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  • visual j# not working in .net 4

    - by arthurdent510
    I tried to convert a project that relies on the vjs runtime to vs2010, but it errors out when trying to run. It's giving the error that "Could not load file or assembly 'vjslib' or one of its dependencies. An attempt was made to load a program with an incorrect format." I reinstalled the vjs runtime, but it didn't seem to help. Is there any way to get get .net 4 to work with this? Thanks!

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  • Ruby on Rails testing: How can I test or at the very least see a form_for's error_messages_for?

    - by williamjones
    I'm working on creating a tests, and I can't figure out why the creation of a model from a form_for is failing in the test but works in real browsers. Is there a straightforward way for me to see what the problems are in the model creation? Even better would be, is there a straightforward way for me to test the error outputs that I access via error_messages_for? In that case, I'd like to also add in tests that make sure that malformed forms are outputting the correct errors.

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  • Proper Usage of SqlConnection in .NET

    - by Jojo
    Hi guys, I just want an opinion on the proper usage or a proper design with regards to using SqlConnection object. Which of the 2 below is the best use: A data provider class whose methods (each of them) contain SqlConnection object (and disposed when done). Like: IList<Employee> GetAllEmployees() { using (SqlConnection connection = new SqlConnection(this.connectionString)) { // Code goes here... } } Employee GetEmployee(int id) { using (SqlConnection connection = new SqlConnection(this.connectionString)) { // Code goes here... } } or SqlConnection connection; // initialized in constructor IList<Employee> GetAllEmployees() { this.TryOpenConnection(); // tries to open member SqlConnection instance // Code goes here... this.CloseConnection(); // return } Employee GetEmployee(int id) { this.TryOpenConnection(); // tries to open member SqlConnection instance // Code goes here... this.CloseConnection(); // return } Or is there a better approach than this? I have a focused web crawler type of application and this application will crawl 50 or more websites simultaneously (multithreaded) with each website contained in a crawler object and each crawler object has an instance of a data provider class (above). Please advise. Thanks.

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  • Make iPad app a Universal app

    - by Peter Hajas
    I have an iPad app that I would like to make Universal, however this seems alarmingly difficult. I've changed things around so that I support both builds, but when building, I get lots of errors about using UIPopOvers. Here're my questions: Why does UI_USER_INTERFACE_IDIOM() not compile or register on 3.1.3? Can I conditionally have variables in a class definition based on UI_USER_INTERFACE_IDIOM()? If not, should I make two different view controllers? Thanks!

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  • not getting a page reload when submitting a form on a page

    - by Bob Walsh
    When showing a project, the user can add a decision via a form_for and its partial. Is there some way of avoiding reloading the page and just creating the record silently? In the controller method (adddecision) I have: respond_to do |format| if @decision.save format.html { redirect_to(@project) } format.xml { head :ok } else format.html { render :action => "show" } format.xml { render :xml => decision.errors, :status => :unprocessable_entity } end I've tried redirect_to(:back) etc - still getting a page reload.

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  • wget not behaving via IPC::Open3 vs bash

    - by Ryley
    I'm trying to stream a file from a remote website to a local command and am running into some problems when trying to detect errors. The code looks something like this: use IPC::Open3; my @cmd = ('wget','-O','-','http://10.10.1.72/index.php');#any website will do here my ($wget_pid,$wget_in,$wget_out,$wget_err); if (!($wget_pid = open3($wget_in,$wget_out,$wget_err,@cmd))){ print STDERR "failed to run open3\n"; exit(1) } close($wget_in); my @wget_outs = <$wget_out>; my @wget_errs = <$wget_err>; print STDERR "wget stderr: ".join('',@wget_errs); #page and errors outputted on the next line, seems wrong print STDERR "wget stdout: ".join('',@wget_outs); #clean up after this, not shown is running the filtering command, closing and waitpid'ing When I run that wget command directly from the command-line and redirect stderr to a file, something sane happens - the stdout will be the downloaded page, the stderr will contain the info about opening the given page. wget -O - http://10.10.1.72/index.php 2> stderr_test_file When I run wget via open3, I'm getting both the page and the info mixed together in stdout. What I expect is the loaded page in one stream and STDERR from wget in another. I can see I've simplified the code to the point where it's not clear why I want to use open3, but the general plan is that I wanted to stream stdout to another filtering program as I received it, and then at the end I was going to read the stderr from both wget and the filtering program to determine what, if anything went wrong. Other important things: I was trying to avoid writing the wget'd data to a file, then filtering that file to another file, then reading the output. It's key that I be able to see what went wrong, not just reading $? 8 (i.e. I have to tell the user, hey, that IP address is wrong, or isn't the right kind of website, or whatever). Finally, I'm choosing system/open3/exec over other perl-isms (i.e. backticks) because some of the input is provided by untrustworthy users.

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  • Display\Capture InnerException Message

    - by madlan
    I was using the following to provide more information on a common exception that can occour in a piece of my code, the only problem is this errors if an exception is generated that has no InnerException message. Catch ex As Exception 'MessageBox.Show(ex.Message) 'If there is no InnerException. MessageBox.Show(ex.InnerException.InnerException.Message) End Try Is there a better method of doing this?

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  • How to show percentage of 'memory used' in a win32 process?

    - by pj4533
    I know that memory usage is a very complex issue on Windows. I am trying to write a UI control for a large application that shows a 'percentage of memory used' number, in order to give the user an indication that it may be time to clear up some memory, or more likely restart the application. One implementation used ullAvailVirtual from MEMORYSTATUSEX as a base, then used HeapWalk() to walk the process heap looking for additional free memory. The HeapWalk() step was needed because we noticed that after a while of running the memory allocated and freed by the heap was never returned and reported by the ullAvailVirtual number. After hours of intensive working, the ullAvailVirtual number no longer would accurately report the amount of memory available. However, this method proved not ideal, due to occasional odd errors that HeapWalk() would return, even when the process heap was not corrupted. Further, since this is a UI control, the heap walking code was executing every 5-10 seconds. I tried contacting Microsoft about why HeapWalk() was failing, escalated a case via MSDN, but never got an answer other than "you probably shouldn't do that". So, as a second implementation, I used PagefileUsage from PROCESS_MEMORY_COUNTERS as a base. Then I used VirtualQueryEx to walk the virtual address space adding up all regions that weren't MEM_FREE and returned a value for GetMappedFileNameA(). My thinking was that the PageFileUsage was essentially 'private bytes' so if I added to that value the total size of the DLLs my process was using, it would be a good approximation of the amount of memory my process was using. This second method seems to (sorta) work, at least it doesn't cause crashes like the heap walker method. However, when both methods are enabled, the values are not the same. So one of the methods is wrong. So, StackOverflow world...how would you implement this? which method is more promising, or do you have a third, better method? should I go back to the original method, and further debug the odd errors? should I stay away from walking the heap every 5-10 seconds? Keep in mind the whole point is to indicate to the user that it is getting 'dangerous', and they should either free up memory or restart the application. Perhaps a 'percentage used' isn't the best solution to this problem? What is? Another idea I had was a color based system (red, yellow, green, which I could base on more factors than just a single number)

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  • Play .WAV under Mono on Mac OS X (Snow Leopard)?

    - by Bob Denny
    The Mono 2.6 distribution contains System.Media.SoundPlayer, but attempts to play result in no sound (and no errors) on Mac OS X. All I can find with Google search is obscure references to ALSA. I posted to the Mono-OSX list, but there have been on replies there. I hope someone here has an answer. I think I need to tap into CoreAudio, but don't know how from Mono/C#.

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  • Mysql stored procedure where clause

    - by Mneva skoko
    I am having a problem with this stored procedure: Delimiter // Create procedure(in varchar(50)) Begin Select * from employees where email = eml; End// Delimiter ; I don't get errors when I run this procedure but when i call it in my php script it returns nothing.

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  • How can I append a description to a Zend_Form_Element?

    - by Mallika Iyer
    I have the following Zend_Form_Element: $imginstructions = "Some description"; $img = $this->createElement('select','img'); $img->setAttrib('class', 'image-select'); $imgdecorator = $img->getDecorator('Description'); $imgdecorator->setOption('escape', false); $img->setLabel('Image:') ->setRequired(true) ->addMultiOptions($images) ->setValue('') ->setDescription($imginstructions) ->addErrorMessage('You must select an image'); $img->size = 5; $this->addElement($img); The description should appear next to the select box. The problem is : When an error is thrown, the html rendered changes so the description shows up below the select box, instead of beside it. HTML rendered before error is thrown: <dd id="img-element"> <select size="5" class="image-select" id="img" name="img" style="display: none;"> ...........options.............. </select> <p class="description">Some Description</p></dd> HTML rendered after error is thrown: <dd id="img-element"> <select size="5" class="image-select" id="img" name="img" style="display: none;"> ...........options.............. </select> <ul class="errors"><li>You must select an image</li></ul> <p class="description">Some Description</p></dd> Is there a way to force the error message to be appended as the last element in the DOM tree for the dd element? Something like: <dd id="img-element"> <select size="5" class="image-select" id="img" name="img" style="display: none;"> ...........options.............. </select> <p class="description">Some Description</p> <ul class="errors"><li>You must select an image</li></ul></dd> so the 'ul' is at the end of the dd DOM tree. Thanks, I appreciate your taking the time to respond to this question!

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  • JNI dll in Ganymede

    - by Joseph Lim
    How do I import a dll into my dll project in Eclipse Ganymede? I am creating a dll for JNI. I included the .h of the dll but I keep getting errors about the function not referenced... Please help. Thanks.

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