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  • clean method for validation

    - by apoorva
    hi.. i have the following form class with corresponding clean methods... class SOFIATMUserLogin(forms.Form): Username=forms.CharField(label='Username') Password=forms.CharField(label='Password', widget=forms.PasswordInput) def clean_Username(self): user=self.cleaned_data['Username'] try: SOFIALogin.objects.get(UserName=user) except Exception: raise forms.ValidationError('Username invalid...') def clean_Password(self): upass=self.cleaned_data['Password'] In the clean_Password method i wish to check if the password entered for the valid username is correct... So i need to get the Username value... How can i access this in clean_Password method... Please assist!!!!

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  • What are the best software/website UI design you have even seen?

    - by Edwin
    What are the best UI design in terms of usability and esthetics you have even seen? I mean both desktop software (of all OS) and website. My list: Picasa 3 - the way it organizes photos. Find-and-highlight-as-you-type in google Chrome. Dynamic search hints when entering something in the search box in Gmail. I'm not a Mac OS X user, but I have seen in most windows on the top toolbar there are both the icons and texts shown for each function, as apposed to on Windows I have seen many programs (MS Office included) have many small toolbar icons which you can hardly understand what they do until you hover the mouse on it for a while to see the hints (if any). The ability to search an setting in Eclipse IDE. the way to make 3D models in Google Sketchup. the way to label an email in Gmail. What are you list? Well, I couldn't resist to list some annoying UI design I have experienced and remember at this moment. IE on Windows server, when you visit the new website, you have to click many times to get it added to the white list before you can start browsing, IIRC, it's not fixed in IE 8 when that last time I used it on Windows 2008. The default search behavior in the File Explorer on Windows xp, that animated thing... the dialog that shows up when you are trying to save a plain text CSV file in Excel after applied some formatting options which does not compatible with CSV.

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  • Updating Activity UI from Different Activity Method?

    - by stormin986
    I have a tab widget where one of the tabs is a chat-type feature. I want to update the chat data at an interval (variable depending on whether the chat tab is active or not). The best approach seemed to be using an AsyncTask in my main TabActivity class, as that would avoid any issues of the chat activity being destroyed while in the background, while an AsyncTask was running. I wanted to ensure that the Activity isn't destroyed and recreated, thus causing my AsyncTask to be unable to modify the actual active Activity's data. However, now that my AsyncTask is in the TabActivity activity, I don't have a direct way to call my Chat's ListAdapter notifyDataSetChanged() from my onPostExecute() method anymore. Is there a way to get a reference to a given Tab's current Activity from the TabHost/TabActivity? Or, alternatively, can I assume my chat activity will never be destroyed as a child activity of the TabActivity activity (well, never destroyed while the TabActivity is active at least), and then just put the AsyncTask in the Chat Activity?

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  • Large ListView containing images in Android

    - by Marco W.
    For various Android applications, I need large ListViews, i.e. such views with 100-300 entries. All entries must be loaded in bulk when the application is started, as some sorting and processing is necessary and the application cannot know which items to display first, otherwise. So far, I've been loading the images for all items in bulk as well, which are then saved in an ArrayList<CustomType> together with the rest of the data for each entry. But of course, this is not a good practice, as you're very likely to have an OutOfMemoryException then: The references to all images in the ArrayList prevent the garbage collector from working. So the best solution is, obviously, to load only the text data in bulk whereas the images are then loaded as needed, right? The Google Play application does this, for example: You can see that images are loaded as you scroll to them, i.e. they are probably loaded in the adapter's getView() method. But with Google Play, this is a different problem, anyway, as the images must be loaded from the Internet, which is not the case for me. My problem is not that loading the images takes too long, but storing them requires too much memory. So what should I do with the images? Load in getView(), when they are really needed? Would make scrolling sluggish. So calling an AsyncTask then? Or just a normal Thread? Parametrize it? I could save the images that are already loaded into a HashMap<String,Bitmap>, so that they don't need to be loaded again in getView(). But if this is done, you have the memory problem again: The HashMap stores references to all images, so in the end, you could have the OutOfMemoryException again. I know that there are already lots of questions here that discuss "Lazy loading" of images. But they mainly cover the problem of slow loading, not too much memory consumption.

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  • Is it "right" to translate error messages?

    - by Iraklis
    This is somehow subjective depending on the target translation language, but bear with me for a sec. I have recently been involved in a translation project. The goal was to translate the strings of an MVC framework to the Greek language. 70% of the language strings of the framework where translated, however 30% where intentionally left out. The decision was that we will not translate error messages aimed towards the developer of the application. The reasoning behind this (in short) was: are aimed towards designers/programmers. Programmers ( and even designers :) ) should have a basic understanding of English, at least enough so they can search on it on Google if they do not know what it means. (racist?) are aimed towards the developer and in a perfect world should not be displayed to the end user of the application as they concern the inner workings of the web application itself. i.e "You must set the database name in your database config file." and perhaps most importantly, they make the life of the developer harder when he tries to get more information/help regarding the error. For example the above error yields 8 results in Google (in quotes), whereas its Greek translation yields exactly 0. I know that this depends on the popularity of the target translation language and the application itself. For example I'm guessing that there are is vast amount of documentation regarding German SAP error messages (i know, i know, SAP IS German, but you get the point), as opposed to Greek Error Messages documentation regarding random application X which has about 500 installations worldwide. So to summarize: When you develop language translation packs for your applications do you translate error messages? Do you only do for predominant languages like English/Spanish/German/French? Or do you live them intact? I'm not looking for the "right" or "correct" answer, I'm looking for a "best-practices" answer, or if this problem is defined in any "official" standard/policy that you have had experience with.

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  • Json get a parameter can't access on it iOS

    - by Usi Usi
    That's an example { "updated":1350213484, "id":"http://www.google.com/reader/api/0/feed-finder?q\u003dProva\u0026output\u003djson", "title":"Risultati di feed per \"Prova\"", "self":[ { "href":"http://www.google.com/reader/api/0/feed-finder?q\u003dProva\u0026output\u003djson" } ], "items":[ { "title":"Home Page - La prova del cuoco", "id":"http://www.laprovadelcuoco.rai.it/", "updated":1350213485, "feed":[ { "href":"http://www.laprovadelcuoco.rai.it/dl/portali/site/page/Page-ffb545b4-9e72-41e5-866f-a465588c43fa-rss.html" } ], "alternate":[ { "href":"http://www.laprovadelcuoco.rai.it/", "type":"text/html" } ], "content":{ "direction":"ltr", "content":"Diventa un cuoco provetto con “La Prova del Cuoco”: le videoricette in un' applicazione di facile e veloce consultazione per il tuo Iphone. Scopri come acquistare ..." } }, { "title":"Le prove Invalsi di matematica e italiano", "id":"http://online.scuola.zanichelli.it/quartaprova/", "updated":1350213486, "feed":[ { "href":"http://online.scuola.zanichelli.it/quartaprova/feed/" } ], "alternate":[ { "href":"http://online.scuola.zanichelli.it/quartaprova/", "type":"text/html" } ], "content":{ "direction":"ltr", "content":"Un sito Zanichelli dedicato alle prove Invalsi di italiano e matematica: esercitazioni, consigli, informazioni utili, novità, aggiornamenti e blog d'autore sulle prove ..." } }, How can I get the feed URL? That's what I do NSString *daParsare=[reader searchFeed:searchText]; NSArray *items = [[daParsare JSONValue] objectForKey:@"items"]; for (NSDictionary *item in items) { NSString *title = [item objectForKey:@"title"]; NSString *feed = [item valueForKeyPath:@"feed.href"]; } [tab reloadData]; With the title everything is ok but when I try to access to the feed paramater I get the error...

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  • IE7/IE8 javascript drop down menu used to redirect not working

    - by Robbiegod
    The error I see from IE7/IE8 in Jquery v1.7.2 and v.1.7.1 - i tried both: SCRIPT438: Object doesn't support property or method 'apply' My Code: <form> <select id="stateD" OnChange="showState()"> <option value="none" selected="selected">==========</option> <option value="http://www.google.com">google</option> <option value="http://www.yahoo.com">Yahoo</option> </select> </form> My Javascript - I have this pasted just below the webform: <script type="text/javascript"> function showState(){ oStates = document.getElementById("stateD"); var jLink = $("#stateD :selected").val(); if (jLink == undefined || jLink == "none" ){ alert("Please Select a State"); } else{ document.location.href=jLink}; } </script> I'm not using 2 libraries so i don't get why its having a problem. All that is supposed to happen is you select a url from the drop down menu and it auto sends you to that url that is in the value of the option tag. Works everywhere else, not sure why IE has to be such a jerk today. I'd post a url but i can't at the moment. its private. has anyone encountered this issue before?

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  • get all widgets inside an element

    - by peirix
    From the dojo documents on dijit.registry, I see the forEach method accepts a last parameter thisObject. But it doesn't way what that object is. Is it a dijit widget or a dojo object? I want to destroy all widgets inside an element (that will be replaced by AJAX) so they can be parsed again without conflicting id's. dijit.registry.forEach(function(w) { w.destroyRecursive(); }, dojo.byId("ajaxElement")); But this destroys ALL widgets on the page...

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  • [Android] How do I load URL that requires login into variable?

    - by bebeTech
    I am trying to port my usage meter from a JavaScript Gadget (win) / Widget (OSX) to Android. Total newbie when comes to JAVA + Eclipse + Android 2.1 SDK. Essentially what I want to do is load a page, pass through a username and password and load the resulting page into a array that I can then run some regular expressions through. My code from JavaScript (I've replace the actual URL with a dummy one) is: xmlhttp.open("post","https://acme.com.au/your_account/index.php?function=login",false); xmlhttp.setRequestHeader("If-Modified-Since", "Sat, 1 Jan 2000 00:00:00 GMT"); xmlhttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded"); xmlhttp.send("check_username=" + username + "&password=" + password); I need to know the Android equivalent to the above please. I've played around with WebView but that loads the page in a web browser which isn't what I want.

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  • CakePHP Routing Alias, no prefix

    - by Jason McCreary
    I have a dashboard with a series of widgets. Per specification, the widgets need to be buried under a /widgets/ directory. So I have added the following to my routes.php Router::connect('/widget/:controller/:action/*', array()); But I seem to be running into trouble on widgets/links/ and widgets/links/view/1 I am new to CakePHP, but this doesn't seem all that impressive. I have yet to find anything in the Book or by search. So any help is appreciated. Thanks.

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  • Django 1.2 - Pb with a form in a template (WSGIRequest)

    - by Tom
    Hi, I'm trying to display a form on a template, but I get a fantastic error : Caught AttributeError while rendering: 'WSGIRequest' object has no attribute 'get' The error is in this line : {% for field in form.visible_fields %} My view : def view_discussion(request, discussion_id): discussion = get_object_or_404(Discussion, id=discussion_id) form = BaseMessageForm(request) return render(request,'ulule/discussions/view_discussion.html', { 'discussion':discussion, 'form':form, }) My form : class BaseMessageForm(forms.Form): message_content = forms.CharField(widget=forms.HiddenInput()) My template : <form action="" method="post"> {% csrf_token %} {% for field in form.visible_fields %} <div class="fieldWrapper"> {% if forloop.first %} {% for hidden in form.hidden_fields %} {{ hidden }} {% endfor %} {% endif %} {{ field.errors }} {{ field.label_tag }}: {{ field }} </div> {% endfor %} <p><input type="submit" value="Send message" /></p> </form> Thanks a lot for your help !

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  • Noob here, but wanting to try and make my own app.

    - by Justin
    Hi all, I have a small amount of programing experience with Siemens and Allen Bradley but would like to make my own app for a certain website I frequent. I would like the website to be a little more user friendly for me instead of having to open browser etc. Is it possible to have a simple forum translated into a widget so you can see the forum posts and post from there? The website in question is http://vnboards.ign.com Any ideas or suggestions no matter how bad are appreciated. If it isnt worth attempting or my skills may not be up to par, feel free to say so :P Dont pull any punches :) Thanks! Justin

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  • Implement Combobox/Option Menu funcionality on an iPhone interface?

    - by MikeN
    I want to give a list of choices on an iPhone GUI that works like a Combobox/Option menu. It needs to display the current selection, but on tapping it you should be able to change the current selection which will trigger a refresh of the screen. The option menu is letting the user choose which category a search is being performed under. So there is a default category and there are about 6 other choices. Idea 1: Use a label or button and when clicked on a new screen overlays that has all 6 options in a tableview, clicking on one closes the overlay screen and goes back to the main page with the updated value displayed. Idea 2: Should I use a totally different but native iPhone GUI widget like a Navbar at the bottom of the screen to reflect the different options?

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  • calculate the height of parent element

    - by shruti
    Hi, I have three datagrids inside VBox container. Since I don't want scrollbar in my flex widget i am increasing the height of SWF through javascript, which increases with each addition of row in my datagrid. My query is how can I get the exact height of my VBox which is the parent element of datagrid. I am not able to get the height of VBox. I have tried to use measuredHeight,height with no success. Could anybody please suggest me the way out for the same. Thanks in advance!!!

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  • jQuery.data() works in Mac OS WebKit, but not on iPhone OS?

    - by rpj
    I'm playing around with jQTouch for an iPhone OS app that I've been toying with off and on for a while. I wanted to try my hand building it as a web app so I started playing with jQTouch. For reference, here is the page+source (all my code is currently in index.html so you can just "View Source" to see it all): http://rpj.me/doughapp.com/wd/ Essentially, I'm trying to save pertinent JSON objects retrieved from Google Local into DOM objects using the data() method (in this example, obj is the Google Local object): $('#locPane').data('selected', obj); then later (in a different "pane"), retrieving that object to be used: $('#locPane').bind('pageAnimationEnd', function(e, inf) { var selobj = $(this).data('selected'); // use 'selobj' here ... } In Chromium and Safari on the desktop OS (Snow Leopard in my case), this works perfectly (try it out). However, the same code returns undefined for the call to $(this).data('selected') in the second snippet above. I've also tried $('#' + e.target.id).data('selected') and even the naive $('#locPane').data('selected'). All variants return undefined in the iPhone OS version of WebKit, but not on the desktop. Interestingly, the running this on Mobile Safari in the iPhone Simulator fails as well. If you look at the full source, you'll see that I even try to save this object into my global jQTouch object (named jqt in my code). This, too, fails on the mobile platform. Has anyone else ever ran into this? I'll admit to not being a web/javascript programmer by trade, so if I'm making an idiot's error please call me out on it. Thank you in advance for the help! -RPJ Update: I didn't make it clear in the original post, but I'm open to any workaround if it works consistently. Since I'm having trouble storing these objects in general, anything that allows me to keep them around is good enough for now. Thanks!

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  • How can I tell what events fire from GXT?

    - by CoverosGene
    I cannot seem to find any documentation of what events fire and when in GXT. The API docs have lists of all the events that could fire (in Events). And it describes how to handle events that you catch. But I'm interested in the opposite side, which events are fired when I take a certain action. I can set some listeners for various different components, or I can use addListener with a specific event code to catch individual events. That's spotty, and I seem to be using trial-and-error to guess what I might want to catch. Is there a way to log all the events that are firing? Or catch all of them so I could look at them in a debugger? Or is there some documentation I am missing that has the information? Something along the lines of "when you click on a widget, a ButtonEvent is fired. Events.x is fired on the hover, Events.y on the click."

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  • Scratchable Ticket kind Custom View Item in Android ?

    - by Andhravaala
    Hi All, I need to develop a Instant Lottery game app. I need an idea/procedure to implement Scratchable custom widget similar to instant Lottery Tickets in Android. The requirement is like, the actual content(secret number) should be covered by some image(which indicates scratch area). When the user touch and scratch the image, the image has to disappear slowly and the background content(secret number) should appear accordingly. Please let me know the best way to implement this. I am in real need of it. Thanks in advance.

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  • document.getElementById returns null for my drop-down select menu

    - by tucson
    I am trying to create a drop-down select menu with custom css (similar to the drop-down selection of language at http://translate.google.com/#). I have current html code: <ul id="Select"> <li> <select id="myId" onmouseover="mopen('options')" onmouseout="mclosetime()"> <div id="options" onmouseover="mcancelclosetime()" onmouseout="mclosetime()"> <option value="1" selected="selected">One</option> <option value="2">Two</option> <option value="3">Three</option> </div> </select> </li> </ul> and the Javascript: function mopen(id) { // cancel close timer mcancelclosetime(); // close old layer if(ddmenuitem) ddmenuitem.style.visibility = 'hidden'; // get new layer and show it ddmenuitem = document.getElementById(id); ddmenuitem.style.visibility = 'visible'; } But document.getElementById returns null. Though if I use the code with a div element that does not contain a select list the document.getElementById(id) returns proper div value. How do I fix this? or is there a better way to create drop-down select menu like http://translate.google.com ?

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  • How can I round a QWidgets corners?

    - by chacham15
    I am trying to round the corners of the current widget, but it doesnt work, why? PopupWindow::PopupWindow() : QWidget(0) { setWindowFlags( Qt::Tool | Qt::FramelessWindowHint | Qt::WindowSystemMenuHint | Qt::WindowStaysOnTopHint ); this-resize(300, 100); setStyleSheet(".PopupWindow {border-style: outset;border-width: 10px;border-radius:10px;}"); QPushButton *hello = new QPushButton("Hello world!"); hello-setFont(QFont("Times", 18, QFont::Bold)); hello-setGeometry(10, 40, 180, 40); hello-setStyleSheet(""); QVBoxLayout *layout = new QVBoxLayout; layout-addWidget(hello); setLayout(layout); }

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  • Qt: Animating the 'roll down' of a QWidget

    - by eAi
    I have a QWidget that contains various other widgets. I want to animate it appearing on the screen by gradually revealing it from the top down, increasing it's height from 0 to whatever it's natural height would be. The way I have it currently is: mAnimation = new QPropertyAnimation(this, "maximumHeight"); mAnimation->setStartValue(0); mAnimation->setEndValue(400); mAnimation->start(); This has two issues: - It crashes when the height reaches a certain height, with a "qDrawShadeRect: Invalid parameters" error. - If I change the 0 to 100, it works fine, but the widgets contained within the QWidget I'm animating have their layout changed as the widget animates, starting very squashed together and gradually spreading apart as they get more space. This looks ugly! Does anyone have any suggestions?

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  • Why can i not rewrite parent class?

    - by latvian
    I want to rewrite core/adminthtml/block/widget/tabs.php class which is a super class for core/adminhtml/block/sales/order/view/tabs.php class. Here is config code for both scenarios: <blocks> <adminhtml> <rewrite> <sales_order_view_tabs>Jimmy_SalesAffil_Block_Widget_Tabs</sales_order_view_tabs> <widget_tabs>Jimmy_SalesAffil_Block_Widget_Tabs</widget_tabs> ..... </rewrite> </adminhtml> </blocks> While I am able to rewrite ...view/tabs.php, I am not able to rewrite the super class. Why? Is it possible? How?

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  • Add widgets to custom WordPress sidebars on theme activation?

    - by McGirl
    I'm working on a WordPress 3.0 multi-site installation. Each new blog will use the same theme with slight modifications (a custom Thesis install, if it matters). I'm trying to automate the set-up process for each new blog as much as possible. To that end, I'd like to automatically add widgets to my custom sidebars and widget-enabled footers. It'd be even better if the widgets could have pre-set parameters/content, that I or the blog owner could then go into the Widgets panel and edit. I've searched high and low and haven't been able to figure out a way to make this work. Any and all suggestions are welcome. Thanks so much!

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  • [WordPress] Need help with remove_action()

    - by gabriel
    I'm trying to remove the unsightly embedded <STYLE> tag the built-in Recent Comments widget puts in my <HEAD>, but I can't seem to get the syntax right. It originally calls add_action( 'wp_head', array(&$this, 'recent_comments_style') ); to add it (in wp-includes/default-widgets.php, line 609), and I'm trying to undo it. I think it should be something like this: remove_action('wp_head', 'WP_Widget_Recent_Comments::recent_comments_style'); but with all the variations I've tried I still can't get it right. Does anyone know how to achieve this? Possibly Helpful: Function Reference: remove_action

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  • Type-aware rendering (and editing) of tabular data in pyqt4

    - by pihentagy
    I would like to have a very short / minimal example of how to create some tabular widget with different types of item in it. In the first round let's say I'd like to render [["Hello", 12, True], ["World", 13, False]] (Hello as string, 12 as number (right-align), True as a checkbox for eg.), but it would be nice to have Dates, Colors, and other type of info. Next round: editing (integer with spinbox, maybe sometimes a combobox is handy, but that may not work out of the box). There must be a simple solution, but I couldn't find...

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