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• Why won't Heroku accept my Gemfile.lock in Windows?

  - by mranders

  I have a rails application that I deploy on Heroku. I'm using several different machines, and I noticed that when I add new dependencies (so that Gemfile.lock is rebuilt) and do bundle install on my Windows computer at home, push to Heroku fails with the following error: Unresolved dependencies detected; Installing... Windows Gemfile.lock detected, ignoring it. You have modified your Gemfile in development but did not check the resulting snapshot (Gemfile.lock) into version control ... Gemfile.lock IS under version control, but Heroku appearently chooses to ignore it since it's created in Windows, and then complains that it's missing seconds later. Why does this happen? And how can I solve it?

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• JQUERY ajax passing null value from MVC View to Controller

  - by Piyush Sardana

  hi guys i'm posting some data to controller using jquery ajax, but i am getting null values in my controller, jQuery code is: $('#registerCompOff').click(function() { var compOff = []; $('div').each(function() { var curRow = {}; curRow.Description = $(this).find('.reason').val(); curRow.CompOffDate = $(this).find('.datefieldWithWeekends').val(); if (curRow.Description != null && curRow.CompOffDate != null) { compOff.push(curRow); } }); $.ajax({ type: 'POST', url: this.href, dataType: 'json', data: compOff }); return $('form').valid(); });? compOff is not null I have checked that... controller is: [HttpPost] public ActionResult RegisterCompOff(RegisterCompOff[] registerCompOff) { //return View(); } can you tell me where i'm going wrong?

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• What's a good place to unregister an observer from the notification center?

  - by mystify

  When I add an observer to the default notification center, where would I unregister that? Example: I have a UIView subclass which lives inside a view controller. That subclass is an observer for the FooBarNotification. If this notification is posted, that view will get it. But now, the view controller decides to throw away the view. Is the best place the -dealloc method of the view itself? Are there any rules like memory management rules? For example: Must I unregister an observer where I registered it? i.e. the view registers itself in it's init method, so it should unregister itself in it's -dealloc method? (not talking about push notifications, but NSNotificationCenter)

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• Help Me: Loading Qt dialogs from python Scripts

  - by krishnanunni

  Hello, im a novice into developing an application using backend as Python (2.5) and Qt(3) as front end GUI designer. I have 5 diffrent dialogs to implement the scripts. i just know to load the window (main window) from qt import * from dialogselectkernelfile import * from formcopyextract import * import sys if __name__ == "__main__": app = QApplication(sys.argv) f = DialogSelectKernelFile() f.show() app.setMainWidget(f) app.exec_loop() main dialog opens on running. i have a set of back,Next,Cancel buttons pusing on each should open the next or previous dialogs. i use the pyuic compiler to source translation.how can i do this from python. please reply i`m running out of time.i dont know how to load another dialog from a signal of push button in another dialog. Help me pls Thanks a Lot

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• show activity indicator while loading ViewController

  - by Crystal

  I have a ViewController that takes time to load its views. When I run Instruments, I see from the home screen, if I tap on the icon that pushes that view controller onto the stack, it's half laying out the views, and half getting the data for the views. I tried adding an activity indicator to display on the home screen over the button when the button is pressed to push the LongRunningViewController onto the stack. So I basically do this: - (IBAction)puzzleView:(id)sender { dispatch_async(dispatch_get_main_queue(), ^{ [self.activityIndicator startAnimating]; }); PuzzleViewController *detailViewController = [[[PuzzleViewController alloc] init] autorelease]; [self.navigationController pushViewController:detailViewController animated:YES]; [self.activityIndicator stopAnimating]; }

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• Div behind another div problem.

  - by Kyle Sevenoaks

  Here is a (big) example of the massive problem I am having, when this page is live at euroworker.no/order, it is dynamically generated, I have supplied a static version for people to mess with. All I need is where it says "Endre Valg" to push the div wrapper under it down.. Sounds easy huh? I have tried many many things, I hope that some discussion and even trial and error can help us here. Sorry for the huge amount of code and stuff but this has taken me all day and I am out of ideas. Thanks.

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• How to convert c++ std::list element to multimap iterator

  - by user63898

  Hello all, I have std::list<multimap<std::string,std::string>::iterator> > Now i have new element: multimap<std::string,std::string>::value_type aNewMmapValue("foo1","test") I want to avoid the need to set temp multimap and do insert to the new element just to get its iterator back so i could to push it back to the: std::list<multimap<std::string,std::string>::iterator> > can i somehow avoid this creation of the temp multimap. Thanks

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• Jquery help needed- infinite loop?

  - by ilkin

  Hi all, i have a problem with this code: var par = []; $('a[name]').each(function() { if (($(this).attr('name')).indexOf("searchword") == -1) { par.push($(this).attr('name')); $('.content').empty(); for (var i = 0; i < par.length; i++) { $(".content").append('<a id="par" href="#' + par[i] + '">' + par[i] + '</a><br />'); } } }); It causes ie and firefox to popup the warning window "Stop running this script". But it happens only when there is a very very large amount of data on page. Any ideas how to fix it?

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• Socket Programming for the Web

  - by Benny

  I have to interact with a legacy system that accepts socket communication and messages. My goal is to make the application cross-platform, but I need the ability to push messages to the client (i.e. - .NET's WCF, Java's Comet) and detect when the user closes out of their browser to destroy the socket. I have built a prototype of .NET wrapper + WCF + Silverlight but it is so disconnected it is difficult to manage the state of the user and seems to be a nightmare to support. All of that considered, what would be my best option?

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• How can I force a subscriber to be synchronized from a local snapshot?

  - by Brian

  Hello, I have a SQL 2005 server replicating(merge\push) to SQL 2005 and SQL 2000 servers. I have multiple subscribers spread througout the United states. I have set , @snapshot_in_defaultfolder = N'false', @alt_snapshot_folder = N'c:\snapshots\Merge\' (sample location). I take the snapshot from the publisher that is in the same location, 'c:\snapshots\Merge\', and copy it to the subscribers. I wanted to avoid applying the snapshot over the WAN but from the performance I am getting the synchronization is going over the WAN. Does anybody have any ideas how to make sure that I am using the local copy of the snapshot and not the copy at the publisher? Thanks

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• send datas to php with ajax - Internal Server Error(500)

  - by user1277467

  i try to send my datas to php with ajax but there's strange mistake. this is my ajax script, function deleteData2() { var artistIds = new Array(); $(".p16 input:checked").each(function(){ artistIds.push($(this).attr('id')); }); $.post('/json/crewonly/deleteDataAjax2', { json: JSON.stringify({'artistIds': artistIds}) }, function(response){ alert(response); }); } i think this works correctly but in php side, i face 500 internal server error(500). public function deleteDataAjax2() { $json = $_POST['json']; $data = json_decode($json); $artistIds = $data['artistIds']; $this->sendJSONResponse($artistIds); } Above code is my php. For example, when i try to send $data to ajax, i print my ids in json mode: However, when i try to send $artistIds to ajax side, i gives 500 error why?

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• How to find which method makes my iPhone app slow ?

  - by Stewart Hou

  Currently I am working on a production app. One function acts like the settings.app on iPhone. When the user click a cell of a tableView, as shown below http://www.penguintech.net/images/stackoverflow/1.png It will push another view, which includes a textfield to let user input something. However, on both simulator and device, after the app just loaded, the delay between clicking and showing the second view takes around 2 seconds. Then if user get back to previous view and click again, it will be no delay at all. To detect which method makes the delay, I put a NSLog() in every involved methods, but when I was inspecting the console while running the app, all NSLog() message showed in 0.1 seconds, and then still a delay on the app. Is there any other way to trace the performance footage of a app? The Instruments shows only CPU usage in Mac OS not in iPhone.

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• Git svn - no changes, no branches (except master), rebase/info is not working

  - by ex3v

  I know that similar questions were asked before, but I think my is a little bit different, so please don't point me to existing threads. I'm migrating our old svn repo to git. I did git svn clone path --authors-file abc.txt and everything seemend legit to me. Then I did git remote add origin xyz and git push --all origin and it also worked. I created this repo as test one, with only me having access to both local repo and origin. No changes were made in project held on this repo, nothing to commit, no pushing and so on. There is also only one branch, because someone initialized svn years ago without creating proper folder structure (branches, trunk, tags). Meanwhile someone pushed their work to svn, so I tried to git svn fetch (which worked), and git svn rebase which didn't, giving me error: Unable to determine upstream SVN information from working tree history Is there any reason why git svn decided to stop working?

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• How can you stream results as json string downloads?

  - by midas06

  I'm interested in presenting results faster in my mobile app. Is it possible to stream results out as the string downloads? I'm thinking about implementing an IObservable to push out the results as they are downloaded, but I don't know what algorithm to use to properly piece together the data which could be incomplete at any given point. Hope that was clear enough. CLARIFICATION: Guess it wasn't clear enough. My issue is the string downloaded is quite long. It can often take 15-20 seconds or more to download. I want to reflect changes faster to my user, so I would like to use reactive extensions to pump out entities as soon as a complete one is received. My issue is I dont know how to build the parser that can pick out complete entities from an incomplete response string.

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• In Silverlight programming, how to prevent visitors from caching the downloaded content?

  - by suugaku

  Hi all, I want to create an online quiz website using Silverlight. When the registered users are logged in, they can view and answer the quiz once per page. To proceed to the next question, they must push next button, and the new data downloaded from the server. The previous questions are not cached. Thereby everytime the question is requested, the question will be reloaded from the server again. My question is how to do my scenario above in silverlight? Thank you in advance.

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• Git 1.7.10 asks me for github username and password

  - by Daniel Ruf

  Since I have the new version it doesnt ask me anymore for the password I set in my ssh key file. It asks now directly for a github username and password when I push every time. Is this a new feature of git or changed it in the past or is there something what changed on github? I tried to authenticate using ssh and the email and password from my ssh ke file and it worked. Github changed to smartftp and also changed the instructions for setting up repos https://github.com/blog/1104-credential-caching-for-wrist-friendly-git-usage https://help.github.com/articles/create-a-repo Saw it later, they use now https instead of the git protocol

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• How do I dynamically create Flex 4 AddChild actions for States?

  - by TK Kocheran

  I have an application in which I need to create mx.states.State objects on the fly, as I'm reading external data in order to create the states. Each State only has a single child, so here's my code which I was using to accomplish this: var state:State = new State(); state.name = "a"; state.overrides = [new AddChild(parent, DisplayObject(view))]; this.states.push(state); However, when I actually change a state, I get a runtime error relating to the fact that you can't call addChild on a spark.components.Group component. Is there an equivalent AddElement action for adding elements to a Group during a state change?

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• Split text by whitespaces

  - by sterh

  Hi to all. I have text file with some text information and i need to split this text at spaces and all word push into List. I make so: QStringList list = line.split(" "); for (int i = 0; i < list.count(); i++){ table.push_back(list[i]); this->ui->textEdit->setText(list[i]); } In line i have my text. But when i test this code i get all text, but not by the word. Thank you.

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• Pushing UIViewController onto a UINavigationController

  - by Gregg

  The other day I asked about using a UINavigationController as a child of a UIViewController. I got that working via the answer. Now what I'm trying to do is push a controller onto the nav stack. When a table cell is touched, I do the following: - (void) showSetup { NSLog(@"Showing Setup"); SetupViewController *controller = [[SetupViewController alloc]initWithNibName:@"SetupViewController" bundle:nil]; self.setupViewController = controller; self.setupViewController.title = @"Setup"; [self.navigationController pushViewController:self.setupViewController animated:YES]; [controller release]; } I can see the log statement in my console, but the view never changes. Am I missing something?

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• how can I have a teammate restart heroku server from his machine

  - by josh

  I have a rails app up on heroku. Sometimes the server bombs out and I have to go to the console and execute heroku restart so that servers get restarted. This seems to fix the problem. However, I am not on my machine all the time. I would like to have a team member have this capability as well. For this to happen...what does he need to do? Does he need to first have access to the github repository so that he can push and pull code to the repository and then install heroku on his machine? Can this be done without git hub? can he just install heroku?

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• Website/App on Dotcloud is down

  - by user1576866

  The website is nhslhs.tk . The last time I edited something was four days ago. I tried to get a calendar on the Django datable, but deleted it all and never actually pushed it to the Dotcloud server. Also, few hours before that I was able to update HTML files, push them, and see the edits on the website. The link should take you to a log-in page (this is available when you google "nhslhs.tk" and click cache view) but it takes you to a search magnified advertisement-esque page. On a few sites, people claimed the error was due to a Trojan horse virus or server being down. Do you know how to fix this? Thanks!

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• Correct way to protect a private API key when versioning a python application on a public git repo

  - by systempuntoout

  I would like to open-source a python project on Github but it contains an API key that should not be distributed. I guess there's something better than removing the key each time a "push" is committed to the repo. Imagine a simplified foomodule.py : import urllib2 API_KEY = 'XXXXXXXXX' urllib2.urlopen("http://example.com/foo?id=123%s" % API_KEY ).read() What i'm thinking is: Move the API_KEY in a second key.py module importing it on foomodule.py; i would then add key.py on .gitignore file. Same as 1 but using ConfigParser Do you know a good programmatic way to handle this scenario?

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• Wrapping multiple images inside a <div> in jQuery

  - by alekone

  hello! I need to find all the images inside a div, and wrap a div around them. here's the code I come up with, but that's not working! any ideas? thanks! jQuery(function(){ my_selection = []; $('.post').each(function(i){ if ($(this).find('img').length > 1 ){ my_selection.push(['.post:eq(' + i + ')']); } }); $( my_selection.join(',')).wrapAll('<div class="wrapper"></div>'); });

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• How to permanently prevent specific part of a file from being committed in git?

  - by boutta

  I have cloned a remote SVN repository with git-svn. I have modified a pom.xml file in this cloned repo in a way that the code compiles. This setup is exclusive for me. Thus I don't want to push the changes back on the remote repo. Is there a way to prevent this (partial) change of a file from being committed into the repo? I'm aware of the fact, that I could use a personal branch, but this would mean certain merging overhead. Are there other ways? I've looked into this question and this one, but they are for rather temporal changes. Update: I'm also aware of the .gitignore possibilities, but this would mean to exclude the file completely.

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• How can I use multithreading in a Windows Forms application to update a progress bar?

  - by Steve Syfuhs

  There are two objects. The Windows Form with a button and a progress bar, and another object that handles an algorithm. In the algorithm object there is an event, and a property. The event is ProgressChanged, and the property is Progress (which is an int). In the calling window, the button starts off a set of steps in the algorithm object. As each step (or substeps) occurs, the ProgressChanged event fires, and in the window there is an event handler that essentially increments the progress bar relative to the Progress property. The problem I am running into is that because the algorithm has a possibility (and high liklihood) of running a relatively long time, I need to move it into it's own background thread and push the event back up to the window. My issue is that I'm not completely sure what I'm doing when it comes to multi-threading. I've looked at Control.Invoke and I'm a little lost. Can someone point me in the right direction?

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