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  • Error: CLLocationManager headingAvailable

    - by Bubu4711
    I have the following code: In my .h-Header-File: #import <UIKit/UIKit.h> #import <CoreLocation/CoreLocation.h> @interface Compass : UIViewController <CLLocationManagerDelegate> { [...] CLLocationManager *locationManager; } [...] @property(nonatomic, retain) CLLocationManager *locationManager; @end And my .m-File: #import "[FILENAME].h" [...] @synthesize locationManager; - (void)viewDidLoad { [super viewDidLoad]; self.locationManager = [[[CLLocationManager alloc] init] autorelease]; if(locationManager.headingAvailable == NO) { [...] } [...] } And I get the following error Message for "locationManager.headingAvailable": error:request for member 'headingAvailable' in something not a structure or union I've added the CoreLocation framework to my app... Who can help me?

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  • How to get scrollTop of page afer browser scrolled such page?

    - by Marco Demaio
    I know how to get the scrollTop of a page, I use this simple JS function (code copied around): function GetScrolledTop() { //I never work in IE quirkmode, I always use DOCTYPE as 1st line, so I don't need to test for document.body.scrollTop return self['pageYOffset'] || document.documentElement.scrollTop; } This works and my problem is the following: I tried to add it in the page onload event <body onload="alert(GetScrolledTop());"> On page load I get ZERO (which make sense), but the problem is that I get ZERO even if I scroll the page and then reload it without touching the scrollbar. It seems like the browser does: loads page calls my GetScrolledTop() (so obviously shows ZERO) then scrolls the page to where it was before. Do you know how to get the scolledTop after the step 3? I mean how to get the scrolledTop AFTER the browser scrolled the page? (maybe without using a timer) Thanks!

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  • problems with user control page

    - by Alexander
    I am starting to give up troubleshooting this issue I had... I had an .ascx page and had the following user control in it: <td> <Club:DatePicker ID="dp1" runat="server" /> </td> however in my code behind when I tried to write methods: public System.DateTime startDateTime { get { return dp1.SelectedDate.Add(tp1.SelectedTime.TimeOfDay); } set { dp1.SelectedDate = value; tp1.SelectedTime = value; } } It can't reference dp1(dp1 is underlined in red) as well as tp1... why is this?? I've tried to convert the solution to a web application and yet it doesn't work. Tried adding: protected global::ClubSite dp1; protected global::ClubSite tp1; in the ascx.designer.cs but then the global is highlighted in red here's the link to my full solution: http://cid-1bd707a1bb687294.skydrive.live.com/self.aspx/.Public/Permias.zip

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  • How no make a button show UINavigationBar only in 3 of 5 tabs in UITabBar?

    - by Mike Rychev
    I have an app, where there's a UITabBar with 5 tabs. When user shakes the device, I want the UINavigationBar to push an UIImageView. When I show the UIImageView, I need to hide both tab and nav bars. After that, when user taps the UIImageView, the NavBar appears again and user can go to the UIImageView's parent view. I make the Nav Bar appear like this: [[self navigationController] setNavigationBarHidden:NO animated:YES]; But in two tabs I have to make the Nav Bar appear, so user can switch to UIImageView's parentView and then, when the parent view appears, hide the nav bar. How can I do it?

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  • implicit argument passing of super from method defined by define_method() is not supported. Specify

    - by jaycode
    Most of you should already know Pragmatic book's "Agile web dev with rails" (third edition). On page 537 - 541 it has "Custom Form Builders" code as follows: class TaggedBuilder < ActionView::Helpers::FormBuilder # <p> # <label for="product_description">Description</label><br/> # <%= form.text_area 'description' %> #</p> def self.create_tagged_field(method_name) define_method(method_name) do |label, *args| @template.content_tag("p" , @template.content_tag("label" , label.to_s.humanize, :for => "#{@object_name}_#{label}") + "<br/>" + super) end end field_helpers.each do |name| create_tagged_field(name) end end This code doesn't work with Ruby 1.9.1. It returns error as follows: implicit argument passing of super from method defined by define_method() is not supported. Specify all arguments explicitly. (ActionView::TemplateError) My question is: What should I change in the code to fix this? Thank you

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  • Connect rails application to MsSQL 2005 from Windows

    - by Enrico Carlesso
    Hi guys. I (sadly) have to deploy a rails application on Windows XP which has to connect to Microsoft SQL Server 2005. Surfing in the web there are a lot of hits for connect from Linux to MsSQL, but cannot find out how to do it from Windows. Basically I followed these steps: Install dbi gem Install activerecord-sql-server-adapter gem My database.yml now looks like this: development: adapter: sqlserver mode: odbc dsn: test_dj host: HOSTNAME\SQLEXPRESS database: test_dj username: guest password: guest But I'm unable to connect it. When I run rake db:migrate I get IM002 (0) [Microsoft][ODBC Driver Manager] Data source name not found and no default driver specified I'm not a Windows user, so cannot understand really well the meaning of dsn element or so. Does someone have an idea how to solve this? Thanks in advance

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  • What Source Control?

    - by Hein du Plessis
    I desperately need source control to manage projects between more than one developer. A long time ago I used Visual Source Safe and it worked quite well. Can anybody recommend a free substitute? I have the following basic requirements: I need to host the repository on my own server. I do not want extra clutter within my source files, like CVS does. I need proper check in / check out, so that nobody can change a module until I've checked it back in. I don't want / need source code merging / branching. We use Delphi for web development, so many html files, images, sql files, etc. Any recommendations?

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  • Timer with random seconds ¿How to update the random seconds?

    - by benLIVE
    I have a timer "tmr_sendCesta" which must be called each x seconds between 1 and 3 seconds. The problem is the timer "tmr_sendCesta" is called only one time, and the random seconds is never updated. I need to call the function "createCesta" each x seconds randomly. Any idea how to do it? function createCesta() cesta = display.newImageRect("cesta.png", 100, 55) cesta.x = -110 cesta.y = screenH - 110 cesta.name = "cesta" physics.addBody( cesta, physicsData:get("cestaSmall")) grupoCesta:insert(cesta) transition.to(cesta, {time = 4000, x = screenW + 110}) end function scene:enterScene( event ) local group = self.view physics.start() Runtime:addEventListener("touch", touchScreen) Runtime:addEventListener( "collision", onCollision ) tmr_sendCesta = timer.performWithDelay((math.random(1000, 3000), randomCesta, 0) end

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  • I'm trying to build a to-do-list application in Objective C but coming up short.

    - by lampShade
    I'm getting this error: -[NSCFArray insertObject:atIndex:]: attempt to insert nil Here is the .m file: /* IBOutlet NSTextField *textField; IBOutlet NSTabView *tableView; IBOutlet NSButton *button; NSMutableArray *myArray; */ #import "AppController.h" @implementation AppController -(IBAction)addNewItem:(id)sender { myArray = [[NSMutableArray alloc]init]; tableView = [[NSTableView alloc] init]; [tableView setDataSource:self]; [textField stringValue]; NSString *string = [[NSString alloc] init]; string = [textField stringValue]; [myArray addObject:string]; NSLog(@"%d",[myArray count]); NSLog(@"%@",string); } - (int)numberOfRowsInTableView:(NSTableView *)aTableView { return [myArray count]; } - (id)tableView:(NSTableView *)aTableView objectValueForTableColumn:(NSTableColumn *)aTableColumn row:(int)rowIndex { //NSString *data = [myArray objectAtIndex:rowIndex]; return [myArray objectAtIndex:rowIndex]; } @end

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  • Can somebody explain this Objective C method declaration syntax

    - by Doug R
    I'm working through an iPhone development book* without really knowing Objective C. For the most part I'm able to follow what's going on, but there are a few method declarations like the one below that I'm having a bit of trouble parsing. For example: - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger) section { return [self.controllers count]; //controllers is an instance variable of type NSArray in this class } It looks this is a method called numberOfRowsInSection, and it returns an NSInteger, and takes an NSInteger as a parameter which is locally called 'section'. But I don't understand all the references to tableView, or why this takes a parameter when it is not used within the method. Can somebody clarify this? Thanks. *p. 258, Beginning iPhone 3 Development, by Mark and LaMarche, published by Apress

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  • Writing a rails validator with integer

    - by user297008
    I was trying to write a validation for Rails to ensure that a price entered on a form was greater than zero. It works…sort of. The problem is that when I run it, val is turned into an integer, so it thinks that .99 is less than .1. What's going on, and how should I fix the code? class Product < ActiveRecord::Base protected def self.validates_greater_than_zero(*attr_names) validates_each(attr_names) do |record, attr, val| record.errors.add(attr, "should be at least 0.01 (current val = #{val.to_f})") if val.nil? || val < 0.01 end end public validates_presence_of :title, :description, :image_url validates_numericality_of :price validates_greater_than_zero :price end

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  • Nasty deep nested loop in Rails

    - by CalebHC
    I have this nested loop that goes 4 levels deep to find all the image widgets and calculate their sizes. This seems really inefficient and nasty! I have thought of putting the organization_id in the widget model so I could just call something like organization.widgets.(named_scope), but I feel like that's a bad short cut. Is there a better way? Thanks class Organization < ActiveRecord::Base ... def get_image_widget_total total_size = 0 self.trips.each do |t| t.phases.each do |phase| phase.pages.each do |page| page.widgets.each do |widget| if widget.widget_type == Widget::IMAGE total_size += widget.image_file_size end end end end end return total_size end ... end

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  • Are these AVAudioSettings right?

    - by Dyldo42
    self.recordSettings = [NSMutableDictionary dictionary]; [recordSettings setValue:[NSNumber numberWithInt:kAudioFormatAppleIMA4] forKey:AVFormatIDKey]; [recordSettings setValue:[NSNumber numberWithFloat:44100.0] forKey:AVSampleRateKey]; [recordSettings setValue:[NSNumber numberWithInt:1] forKey:AVNumberOfChannelsKey]; recordSettings is declared in my view's header file and initialised in its viewDidLoad method. For some reason, everything is working in the simulator, but on a device, the [recorder record] method is returning NO. The only theory I have is that something in the recordSettings isn't compatible with an actual device. Any ideas?

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  • Career as a Software Tester

    - by mgj
    Respected all, I am a fresher who is interested in a job as a software tester. I had few general queries regarding the prospects of this kind of a job in a software company. What are the kind of challenges that a tester faces in real life situations that make his/her job more interesting and self-motivating? What are the growth opportunities for an individual in a software company who wants to pursue a career as a software tester? Are software developers and software testers treated alike in terms of growth opportunities or otherwise? If not so why? How does one(software tester or any one else) deal with such situation such that its a win win situation for both the company and the software tester? I am really looking forward to the answers that you can give from your personal experiences and insights. Thank you..:)

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  • Rails - Multiple top level domains and a single session/cookie

    - by Thadius B
    Hello all, I've been struggling with this for quite awhile and haven't been able to find a solution. I need a user to be able to view multiple top level domains with a single login. My understanding is that this needs to be set in environment.rb and called with before_dispatch. This is what I've come up with: require 'activesupport' require 'dispatcher' module ActionController class Dispatcher def set_session_domain ActionController::Base.session_options.update :session_domain => "#{@request.host}" end before_dispatch :set_session_domain end end However, this does not seem to be working when I try and pull the values from session[:session_domain]. Any help is greatly appreciated.

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  • What does this xkcd code do?

    - by cobbal
    On the xkcd site today, the following appeared as a joke in a <script language="scheme"> tag so what does the following code do / represent? (define (eval exp env) (cond ((self-evaluating? exp) exp) ((variable? exp) (lookup-variable-value exp env)) ((quoted? exp) (text-of-quotation exp)) ((assignment? exp) (eval-assignment exp env)) ((definition? exp) (eval-definition exp env)) ((if? exp) (eval-if exp env)) ((lambda? exp) (make-procedure (lambda-parameters exp) (lambda-body exp) env)) ((begin? exp) (eval-sequence (begin-actions exp) env)) ((cond? exp) (eval (cond->if exp) env)) ((application? exp) (apply (eval (operator exp) env) (list-of-values (operands exp) env))) (else (error "Common Lisp or Netscape Navigator 4.0+ Required" exp))))

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  • Rapidly prototype GUI's...

    - by Donovan
    G'Day, I am looking to prototype a windows based GUI. Ideally I would like: Be able create new GUI's and change existing ones quickly The resulting "thing" to be self contained Have the ability to include limited data where necessary ie. When showing a grid including the headers and perhaps a few rows of data for the grid. Allow clickable hotspots that either allow a new screen to be shown or perhaps an explanation hint. I have been using Visio 2003 for this kind of thing and then producing a PDF. However it has some disadvantages: Including data for grids is not possible You cannot include hotspots to allow changing of tabs within the workbook. eg Click on a button and it opens a different tab. If possible a free / open source application would be preferable but a low priced commercial application would also be good. All pointers and suggestions greatly appreciated.Rapid

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  • Inherit a parent class docstring as __doc__ attribute

    - by Reinout van Rees
    There is a question about Inherit docstrings in Python class inheritance, but the answers there deal with method docstrings. My question is how to inherit a docstring of a parent class as the __doc__ attribute. The usecase is that Django rest framework generates nice documentation in the html version of your API based on your view classes' docstrings. But when inheriting a base class (with a docstring) in a class without a docstring, the API doesn't show the docstring. It might very well be that sphinx and other tools do the right thing and handle the docstring inheritance for me, but django rest framework looks at the (empty) .__doc__ attribute. class ParentWithDocstring(object): """Parent docstring""" pass class SubClassWithoutDoctring(ParentWithDocstring): pass parent = ParentWithDocstring() print parent.__doc__ # Prints "Parent docstring". subclass = SubClassWithoutDoctring() print subclass.__doc__ # Prints "None" I've tried something like super(SubClassWithoutDocstring, self).__doc__, but that also only got me a None.

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  • Importing already existing git repo with multiple branches and tags into gerrit

    - by Daniel
    I'm trying to import an already existing git repository with multiple branches and tags into gerrit. I'm following the official guide at https://gerrit-review.googlesource.com/Documentation/install-quick.html#_already_existing_project. However, when issuing the push command all the branches and tags, except "master" which I'm currently in, are "prohibited by Gerrit". The output is something like this: user@host:~/my-project$ git push ssh://user@localhost:29418/demo-project *:* [....] * [new branch] master -> master ! [remote rejected] origin/Branch1 -> origin/Branch1 (prohibited by Gerrit) ! [remote rejected] origin/Branch2 -> origin/Branch2 (prohibited by Gerrit) [....] ! [remote rejected] Tag1 -> Tag1 (prohibited by Gerrit) ! [remote rejected] Tag2 -> Tag2 (prohibited by Gerrit) [....] I'm administrator so it shouldn't be an access rights issue.

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  • Error getting SVN repo of Liferay in Eclipse

    - by Tim
    Hello, Im using Eclipse Galileo and have installed Subclipse. I looked at the svn repo url at http://www.liferay.com/web/brian.chan/blog/-/blogs/changes-to-anonymous-access-to-liferay-s-svn and then tried to get Liferay from their SVN repository in Eclipse, using svn://svn.liferay.com/repos/public --username guest,but i get the following error message: Error validating location: "org.tigris.subversion.javahl.ClientException:No connection could be made because the target machine actively refused it. svn: Cant connect to host 'svn.liferay.com':No connection could be made because the target machine actively refused it Any way to fix this ? Thank You

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  • error with Security Exception

    - by Alexander
    I am getting the following error on my page: Security Exception Description: The application attempted to perform an operation not allowed by the security policy. To grant this application the required permission please contact your system administrator or change the application's trust level in the configuration file. The problem is with the following code SmtpClient mailClient = new SmtpClient("smtp.gmail.com", 587); What's weird is that when testing it at my localhost, everything works fine, but when I put it on my 1and1 web host it generates the error above. I contacted their support and here's their answer. We do check the error logs and the operation require a FullTrust environment which currently fall under restriction on .NET Framewor k What should I do?

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  • File Uploads with Turbogears 2

    - by William Chambers
    I've been trying to work out the 'best practices' way to manage file uploads with Turbogears 2 and have thus far not really found any examples. I've figured out a way to actually upload the file, but I'm not sure how reliable it us. Also, what would be a good way to get the uploaded files name? file = request.POST['file'] permanent_file = open(os.path.join(asset_dirname, file.filename.lstrip(os.sep)), 'w') shutil.copyfileobj(file.file, permanent_file) file.file.close() this_file = self.request.params["file"].filename permanent_file.close() So assuming I'm understanding correctly, would something like this avoid the core 'naming' problem? id = UUID. file = request.POST['file'] permanent_file = open(os.path.join(asset_dirname, id.lstrip(os.sep)), 'w') shutil.copyfileobj(file.file, permanent_file) file.file.close() this_file = file.filename permanent_file.close()

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  • Facebook publish HTTP Error 400 : bad request

    - by Abhishek
    Hey I am trying to publish a score to Facebook through python's urllib2 library. import urllib2,urllib url = "https://graph.facebook.com/USER_ID/scores" data = {} data['score']=SCORE data['access_token']='APP_ACCESS_TOKEN' data_encode = urllib.urlencode(data) request = urllib2.Request(url, data_encode) response = urllib2.urlopen(request) responseAsString = response.read() I am getting this error: response = urllib2.urlopen(request) File "/System/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/urllib2.py", line 124, in urlopen return _opener.open(url, data, timeout) File "/System/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/urllib2.py", line 389, in open response = meth(req, response) File "/System/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/urllib2.py", line 502, in http_response 'http', request, response, code, msg, hdrs) File "/System/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/urllib2.py", line 427, in error return self._call_chain(*args) File "/System/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/urllib2.py", line 361, in _call_chain result = func(*args) File "/System/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/urllib2.py", line 510, in http_error_default raise HTTPError(req.get_full_url(), code, msg, hdrs, fp) urllib2.HTTPError: HTTP Error 400: Bad Request Not sure if this is relating to Facebook's Open Graph or improper urllib2 API use.

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  • python, accessing a psycopg2 form a def?

    - by i-Malignus
    i'm trying to make a group of defs in one file so then i just can import them whenever i want to make a script in python i have tried this: def get_dblink( dbstring): """ Return a database cnx. """ global psycopg2 try cnx = psycopg2.connect( dbstring) except Exception, e: print "Unable to connect to DB. Error [%s]" % ( e,) exit( ) but i get this error: global name 'psycopg2' is not defined in my main file script.py i have: import psycopg2, psycopg2.extras from misc_defs import * hostname = '192.168.10.36' database = 'test' username = 'test' password = 'test' dbstring = "host='%s' dbname='%s' user='%s' password='%s'" % ( hostname, database, username, password) cnx = get_dblink( dbstring) can anyone give me a hand?

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  • How do I access a tomcat 5.5 installation via localhost running on Virtual PC 2007?

    - by MetroidFan2002
    I have a tomcat installation of 5.5 up and running on a Virtual PC with a fresh XP pro SP3. Launching tomcat gives the standard messages: INFO: Find registry server-registry.xml at classpath resource Apr 12, 2010 11:43:44 AM org.apache.catalina.startup.Catalina start INFO: Server startup in 3576 ms However, I cannot for the life of me connect to http://localhost:8080. I've also tried http://127.0.0.1:8080 with no success. This is on the virtual PC itself that I cannot connect to the server - I haven't bothered to try it on the host machine. Can anyone provide any information on why this may be happening? It's a fresh install of tomcat using Sun's JRE 5.0 (I know, EOL, technical requirements make me have to use 5.0 and not a newer JRE).

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