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• mootools: $ not defined

  - by eaigner

  I've strange error i don't understand. I'm just moving my code from jQuery over to Mootools because it's much cleaner than the jQuery mess. Now when i use the $$('div.canvas') in mootools i get the correct element. When i try $(document).getElement('div.canvas') it tells me that $ is not defined. How can $$ and all helper functions like $lambda etc. be defined but not $? Has something changed there from 1.1 to 1.2 and the docs are not updated yet?

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• Symfony form's i18n and add_empty

  - by David

  I have this widget: $this->setWidget('slug', new sfWidgetFormDoctrineChoice(array('model' => 'MyTable', 'method' => 'myMethod', 'key_method' => 'myMethod', 'add_empty' => 'Select option'))); Ok, what should I do to translate the "Select option"? I can't use the __() helper inside the form, and adding that string into my XLIFF file doesn't translate it automatically. If it can't be done, what workaround should I implement? I can't find any way, and neither can't find any tip in the official documentation. Thanks!

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• Are these REST HTTP response codes right, and what about the Content-Type?

  - by talentedmrjones

  I'm writing a controller helper that sets the proper response headers for my REST controller action. It's pasted below and should be simplified enough for those who aren't familiar with Zend Framework to understand what I'm doing. My question is: Are these codes correct for their respective responses, and in the case of "access denied" do I use a 401 or 403? Also, in case of responding with an error, I understand I should be placing a message in the response body, but should I set the "Content-Type" to "text/plain"? <?php class App_Controller_Helper_RestResponse extends Zend_Controller_Action_Helper_Abstract { public function denied() { // 403 or 401? } public function notFound() { // 404 } public function created() { // 201 } public function deleted() { // 204 } public function redirect() { // 301 // new url } public function malformed() { // 400 } public function gone() { // 410 } }

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• Help, I need to debug my BrowserHelperObject (BHO) (in C++) after a internet explorer 8 crash in Rel

  - by BHOdevelopper

  Hi, here is the situation, i'm developping a Browser Helper Object (BHO) in C++ with Visual Studio 2008, and i learned that the memory wasn't managed the same way in Debug mode than in Release mode. So when i run my BHO in debug mode, internet explorer 8 works just fine and i got no erros at all, the browser stays alive forever, but as soon as i compile it in release mode, i got no errors, no message, nothing, but after 5 minutes i can see through the task manager that internet explorer instances are just eating memory and then the browser just stop responding every time. Please, I really need some hint on how to get a feedback on what could be the error. I heard that, often it was happening because of memory mismanagement. I need a software that just grab a memory dump or something when iexplorer crashes to help me find the problem. Any help is appreciated, I'll be looking for responses every single days, thank you.

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• Better alternatives to know whether a control is valid in javascript?

  - by Anthony

  I want to know whether a control is valid or not in javascript. Is there a direct client side API available in Asp.Net which can tell me whether a control is valid or not? Eg. If I have 2 validators attached to a textbox, I need a function that can tell me whether the textbox is valid or not. If even 1 validator is not valid then it should return false. I can't seem to find a function that can give me this. Here is a little helper that I wrote which does the job but is inefficient: function isControlValid(control) { for (i = 0; i < Page_Validators.length; i++) { var validator = Page_Validators[i]; var controlId = validator.controltovalidate; if ($(control).attr('id') == controlId && validator.isvalid == false) { return false; } } return true; } Anybody has any better alternatives?

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• Unit testing with Data Access Layer

  - by chobo

  Hi, what is a good way to write unit tests with a LINQ to SQL DAL? Currently I am doing some database testing and need to create helper methods that access the database, but I don't want those methods in my main repo's. So what I have is two copies of the DAL, one in my main project and one in the Test project. Is it easier to manage these things if I create a separate project for the data layer? I'm not sure which way is a better way to approach this. If I do create a data layer project would I move all my repo's to that project as well? I'm not sure how to properly setup the layers. Thanks

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• jQuery Draggable Problem

  - by Jimbo

  Im trying to get a div to be movable within the constrains of the browser window, by dragging the titlebar inside the div. My code is as follows: <div id='container'> <h3 class='title' id='titlebar'>My Title</h3> </div> <script type='text/javascript'> $(document).ready(function(){ $("#titlebar").draggable({ containment: 'window', scroll: false, helper: $('#container') }); }); </script> Something is wrong with this (it wont do anything at all) but I cant see the problem!

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• Transparently storing class state without exposing implementation

  - by RoToRa

  I have a model (MVC) class whose internal state (which basically contains of private int fields) I want to store. The program is running on Android (for now) so I need to store the in a Bundle, but I'll be using the same class later in a desktop application where I'll have to store the state some other way, so I can't reference Bundle directly in my class. So my question is: What is the best way to store (and retrieve) the state of a class without exposing it's implementation? The best I could think of removing the private access modifier so that the fields become package accessible and create read/write helper classes in the same package, but that somehow seems wrong.

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• Accessing facebook sdk result Object using .NET 3.5 API?

  - by John K

  Consider the following in .NET 3.5 (using the Bin\Net35\Facebook*.dll assemblies): using Facebook; var app = new FacebookApp(); var result = app.Get("me"); // want to access result properties with no dynamic ... in the absence of the C# 4.0 dynamic keyword this provides only generic object members. How best should I access the facebook properties of this result object? Are there helper or utility methods or stronger types in the facebook C# SDK, or should I use standard .NET reflection techniques?

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• What does "static" mean in the context of declaring global template functions?

  - by smf68

  I know what static means in the context of declaring global non-template functions (see e.g. What is a "static" function?), which is useful if you write a helper function in a header that is included from several different locations and want to avoid "duplicate definition" errors. So my question is: What does static mean in the context of declaring global template functions? Please note that I'm specifically asking about global, non-member template functions that do not belong to a class. In other words, what is the difference between the following two: template <typename T> void foo(T t) { /* implementation of foo here */ } template <typename T> static void bar(T t) { /* implementation of bar here */ }

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• how to get a product's image in magento?

  - by lock

  im running on version 1.3.2.1 but on my client's server they had magento 1.3.0 so my previous code to display images for my local copy: echo $this->helper('catalog/image')->init($_product)->resize(163, 100); does not work on the client's installation looking at the results returned by their magento, ver 1.3.0 actually returns a url although it points to the skin's media folder is there a way to get the absolute image path for the image? or should i make changes somewhere else that would tell magento that the media directory should be on the root?

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• will_paginate route only works on page > 1

  - by Avishai

  I have the following routes defined: map.resources :categories, :has_many => :downloads map.resources :downloads, :member => {:go => :get}, :collection => {:tag => :get} map.connect '/downlods/page/:page', :controller => 'downloads', :action => 'index' map.connect '/categories/:category_id/downloads/page/:page', :controller => 'downloads', :action => 'index' For some reason, the first page that the will_paginate helper is called on causes links with ?page=2 to be rendered, while subsequent pages have links with /downloads/page/2. Do you know what might be causing this?

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• How to calculate end-point at a given center plus an radius and angle?

  - by mystify

  I'm trying to do some basic quartz core drawing with arcs, but have an F in math ;-) I have a point: CGPoint center = CGPointMake(100.0f, 100.0f); CGFloat radius = 50.0f; CGFloat startAngle = 20.0f / 180.0f * M_PI; CGFloat endAngle = 150.0f / 180.0f * M_PI; CGContextAddArc(c, center.x, center.y, radius, startAngle, endAngle, 0); Now I want to draw a little dot on the middle of the arc. I mean, not the center point, but the little curve (arc) which is made up between the angles 20-150 degrees. I looked into quartz but unfortunately, there seems no helper function to calculate this. Probably some hardcore trigonometric logic with atan and stuff of this kind needed?

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• CI controller function is ignored

  - by den-javamaniac

  Hi. I'm trying to pass through a CI tutorial (writing a simple forum) and I can't make a controller function called. To be more specific I have this in a controller: function __construct() { parent::Controller(); $this->load->helper('url'); } function index() { $data['title'] = "Wlcome to Gossip"; $data['heading'] = "Welcome to Gossip"; $data['query'] = $this->db->get('topic')->result(); $this->load->view('welcome', $data); } function topic() { echo 'testing...'; } and when I'm trying to access the /index.php/forum/topic/ uri it just prints out my index() function. Can any one point out what may cause the problem?

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• Ajax request. Which callback is executed first complete or success?

  - by Gutzofter

  I could spike this to find out, but I'm going to use SO. In my unit tests (qunit) I use the asynchShould (alias for asynchTest) test. Part of the assertion is to wait for the completion/success of the request. Like this: asyncShould('talk to customer list server', 1, function() { stop(2000); var forCustomerList = newCustomerListRequest(); forCustomerList.page = 'helpers/helper.php'; forCustomerList.data += '&action=customerListServer&DB=11001'; var originalSuccess = forCustomerList.success; forCustomerList.success = function(msg) { if (msg.flash !== undefined && msg.data !== undefined && msg.status !== undefined) { ok(true, 'json structure correct') } else { ok(false, 'json structure not correct'); } originalSuccess(msg); start(); }; testController.getServerData(forCustomerList); })

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• Magento - Using alternative "reviews count" on category list page

  - by Sam

  Hi All I noticed that on the category list page, the number of reviews (pulled from frontend/base/default/template/review/helper/summary_short.phtml) lists the full amount of reviews for an item, not the amount available to the store view you’re on. So, for example (using the sample data) the Samsung MM-A900M Ace has 5 reviews - however, when you click that link and are taken to the reviews page, it actually just has 2 (as only 2 are available to the English view). But on the reviews page, the review count is correct and says 2 reviews (this time pulled from frontend/base/default/template/review/product/view/count.phtml). Is there any way to use this review count on the category list?

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• SQLiteOpenHelper problem

  - by Harsha M V

  I have created SQLiteOpenHelper class to help me open write the database. but i am not able to invoke it from the main.java activity I have created an Class which extends the Database Helper which is stored at /Messaging/src/com/v3/messaging/DatabaseHelper.java Code: http://pastebin.com/Z5qp32xu now i have this class called Main.java which will be the first activity on the launch of the application. But how can i make the DatabaseHelper.java run just to create the database but still be at the Main.java file. The database should be created with the tables only when the db or the tables dont exist. Main.java code: http://pastebin.com/LVFVuhA0 Now when i run the program. the database is not being created :( I am trying to learn Android. So please excuse me if i forgot to tell something.

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• Compiler error when using abstract types

  - by Dylan

  I'm trying to implement a "protocol helper" trait that is responsible for matching up Prompts and Responses. The eventual goal is to have an object that defines the various Prompt and Response classes as subclasses of a sealed trait, then have a class that mixes in the ProtocolSupport trait for that Protocol object. The problem is that my current approach won't compile, even though I'm fairly sure it should. Here's a distilled version of what I've got: trait Protocol { type Response type Prompt <: BasePrompt trait BasePrompt { type Data def validate(response: Response): Validated[Data] } } trait ProtocolSupport[P <: Protocol] { def foo(prompt: P#Prompt, response: P#Response) = { // compiler error prompt.validate(response) } } The compiler doesn't like the response as an argument to prompt.validate: [error] found : response.type (with underlying type P#Response) [error] required: _4.Response where val _4: P [error] prompt.validate(response) [error] ^ This isn't very helpful.. it seems to say that it wants a P.Response but that's exactly what I'm giving it, so what's the problem?

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• Drawing a waveform in C#

  - by user488792

  Hi! I want to be able to display a WaveForm in C#, along with some simple features such as zooming and selection. I already have the data as a short[] of amplitude values. However, I am an amateur when it comes to hardcoding GUI. I have already found a possible helper class WaveFormClass that may help me achieve this but as a backup, I want to learn how to manually do it. So may I ask for some methods and possibly some links that will help? Thanks!

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• Rails: What's the suggested approach to retrieve xml from an outside source

  - by Syrahn

  Rails newbie (though long time programmer) here. I'm writing an test app that retrieves data from several outside sources (think Twitter, RSS feeds, etc.) and under certain circumstances, it stores that data in a db (or presents it to the user). The data model and the views are trivial. What I'm having difficulty with is making the actual xml HTTP call to the outside source and deserialize the xml response so I can query/use it in my controller/helper. What library/gem should I use to accomplish this? I tried looking this up around the net, but only came up with some article from 2006 which, knowing how fast Rails has developed, might well be completely deprecated. Your help is much appreciated.

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• How do I customize the format of git rebase --interactive commit messages?

  - by adamjford

  Hi everyone, I use git for my local work (and love it ever so much), and I follow a workflow similar to the one described in this article. So basically, when starting on a new feature, I create a branch for it, go through the usual hack then commit cycle, and when I think I'm done with it, I squash it into a single commit using git rebase --interactive master, and these squashed commit messages always end up looking like the example in the article, reproduced here: [#3275] User Can Add A Comment To a Post * Adding Comment model, migrations, spec * Adding Comment controller, helper, spec * Adding Comment relationship with Post * Comment belongs to a User * Comment form on Post show page Of course, that's after a bunch of removing # This is the xth commit message lines and copy/pasting * in front of each commit message. Now, what I was wondering, is there any way to customize how git rebase -i outputs the merged commit messages so I don't have to do all that hacking? (I use msysgit, if that matters.) Thanks!

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• Block call in Ruby on Rails

  - by Mattias

  Hi, I'm trying to clean up my code and get rid of a lot of ugly hashes. In my views I define several actions like this: @actions = { :interest => {'Show interest', link_to(..), :disabled => true}, :follow => {'Follow this case', link_to(..)} ... } As these hashes grow, the maintainability decreases. I want to convert the above format to something like: actions do item :interest, 'Show interest', link_to(..), :disabled => true item :follow, 'Follow', link_to(..) ... end How do I structure my helper methods to allow this? Preferably the 'item'-method should only be available in the 'actions' block and not in the global scope. Thanks!

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• Ruby On Rails - Collection Select - MYSQL Database - Problem Displaying ampersand ("&")

  - by dbkbaki

  I am having an annoying problem displaying the labels of a select box correctly where there is an ampersand contained within the label string. On a form being rendered with the form_for helper the collection_select reads data from a Mysql 5.075 database the text stored in the database is "Surabaya & Surrounding Areas" when rendered and displayed in firefox 3.6 or safari is is displaying as "Surabaya %amp; Surrounding Areas". The code used to render the select is as follows: <%= f.collection_select :parent_id, Destination.roots, :id, :name, {:include_blank => true} %> I have tried adding a h(:name) and also storing && in the database but it still will not display the ampersand correctly. Have searched on google for what I thought would be a simple solution but cant find anything that solves this. Using ROR 2.3.5/Ruby 1.8.7 If anyone has a solution it will be much appreciated. many thanks, David

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• Pagination, next page doesn`t display

  - by user1738013

  if I click page 2 that`s error: Not Found The requested URL /rank/GetAll/30 was not found on this server. My link is: http://localhost/rank/GetAll/30 Model: Rank_Model <?php Class Rank_Model extends CI_Model { public function __construct() { parent::__construct(); } public function record_count() { return $this->db->count_all("ranking"); } public function fifa_rank($limit, $start) { $this->db->limit($limit, $start); $query = $this->db->get("ranking"); if ($query->num_rows() > 0) { foreach ($query->result() as $row) { $data[] = $row; } return $data; } return false; } } ?> Controller: Rank <?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); class rank extends CI_Controller { function __construct() { parent::__construct(); $this->load->helper("url"); $this->load->helper(array('form', 'url')); $this->load->model('Rank_Model','',TRUE); $this->load->library("pagination"); } function GetAll() { $config = array(); $config["base_url"] = base_url() . "rank/GetAll"; $config["total_rows"] = $this->Rank_Model->record_count(); $config["per_page"] = 30; $config["uri_segment"] = 3; $this->pagination->initialize($config); $page = ($this->uri->segment(3)) ? $this->uri->segment(3) : 0; $data["results"] = $this->Rank_Model->fifa_rank($config["per_page"], $page); $data['errors_login'] = array(); $data["links"] = $this->pagination->create_links(); $this->load->view('left_column/open_fifa_rank',$data); } } View Open: open_fifa_rank <?php $this->load->view('mains/header'); $this->load->view('login/loggin'); $this->load->view('mains/menu'); $this->load->view('left_column/left_column_before'); $this->load->view('left_column/menu_left'); $this->load->view('left_column/left_column'); $this->load->view('center/center_column_before'); $this->load->view('left_column/fifa_rank'); $this->load->view('center/center_column'); $this->load->view('right_column/right_column_before'); $this->load->view('login/zaloguj'); $this->load->view('right_column/right_column'); $this->load->view('mains/footer'); ?> and View: fifa_rank <table> <thead> <tr> <td>Pozycja</td> <td>Kraj</td> <td>Punkty</td> <td>Zmiana</td> </tr> </thead> <?php foreach($results as $data) {?&gt; <tbody> <tr> <td><?php print $data->pozycja;?></td> <td><?php print $data->kraj;?></td> <td><?php print $data->punkty;?></td> <td><?php print $data->zmiana;?></td> </tr> <?php } ?> </tbody> </table> <p><?php echo $links; ?></p> Maybe you know where is my problem? Now I know where is my problem. In first page I have link: http://localhost/index.php/rank/GetAll But on the next: http://localhost/rank/GetAll/30 In secend link, I don`t have index.php. How can I fix it?

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• What data (if any) persists across web-requests in Ruby on Rails?

  - by Daniel Beardsley

  I decided to use the singleton design pattern while creating a view helper class. This got me thinking; will the singleton instance survive across requests? This led to another question, Which variables (if any) survive across web requests and does that change depending on deployment? (Fastcgi, Mongrel, Passenger, ...) I know that Controller instance variables aren't persisted. I know Constants are persisted (or reloaded?). But I don't know about class variables, instance variables on a class, Eigenclasses, ...

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