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• Android : uploaded .apk file to server but cant download that .apk file

  - by rahul

  hiiiiiiii, I have uploaded my application's .apk file to server. When i try to download tht .apk file to my android HTC HERO phone then it gives error saying "file size cannot be determined". I also enabled settings to "allow install of non-Market applications" in my HTC HERO. plz help me if i am missing somthing . and is there any signing we have to do in android like symbian signing in Symbian Devices???

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• WPF Usercontrol interaction with parent view / viewmodel

  - by obaylis

  Hi I have a mainView window which has its dataContext set to it's own viewModel. On that viewModel is a DateTime property which in turn is bound to a datepicker on my main view using 2 way binding. <toolkit:DatePicker DateSelected="{Binding mainDateTimeProperty, Mode=TwoWay}" /> This is all fine so far. On the change of my datetime property I create a list which is then bound to a datagrid elsewhere on the mainview. This all works fine. My question is to do with a usercontrol I want to add to the main view. I want this usercontrol to be self contained so have created it with it's own viewmodel but it does also need access to mainDateTimeProperty I thought that best way to go would be to create a dependencyProperty on the usercontrol and when I create my control in the main view I bind the dp to the datetime as follows. <uc:MyNewUserControl DateProperty="{Binding mainDateTimeProperty}" /> Trouble is how do I have the usercontrol maintain datacontext with it's viewmodel and yet still have the dependency property bound to a property on the main view model? Hope this is clear. Can post some more code if necessary. Looking for a best practice approach if possible. Thanks very much for any advice.

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• VS Solution and Mercurial repository layout for a c# project with plugins and external libraries.

  - by Joviee

  I'm developing a project in .NET (using C# to be more specific). Using Visual Studio as an IDE. Using Mercurial for version control. I'll be using some third-party libraries: ThirdParty.Foo.dll ThirdParty.Bar.dll ThirdParty.Baz.dll And some in-house libraries: Company.A Company.B Company.C Company.D (References third party libraries) Company.E (References Company.A) The project itself will have the following components: Project.Core Project.DataModel (references in-house/third-party libraries) Project.GUI (references Core, DataModel, and in-house/third-party libraries) Project.PluginOne (references Core, DataModel, and in-house/third-party libraries) Project.PluginTwo (references Core, DataModel, and in-house/third-party libraries) * can be an arbitrary number of plugins * I'm quite new to Mercurial, so I don't really know the best way to structure my repositories for a project like this, with a lot of interconnected components. The in-house libraries are fairly distinct, so I would say that each one of them should have its own repository. However, some of them use functionality provided by others. How should these dependencies be managed? The project plug-ins should be distinct from eachother, so I'd imagine that each would have its own repository. How should the dependencies on the in-house/third-party libraries and the rest of the project (Project.DataModel and Project.Core) be managed, with regards to the solution layout and the repository layout? So basically, for a project like this, what are the best way of structuring: (a) my visual studio solutions (b) my source control repository/repositories

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• Why are these floats wrapping in Internet Explorer?

  - by Cord Blomquist

  My website, ReadyMadeWeb.com, looks great in FireFox, Safari, and Chrome, but of course IE has different plans for the floats used the in the #content area. You can see what I mean if you view the site in IE. The main column is pushed below the first sidebar. The content boxes and the de.licio.us sidebar both sit within another div. I have looked at overflow and clear settings, but changing those has not helped. Any ideas?

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• Silverlight 3 localization configuration

  - by Yannic

  I would like to know how I can configure my Silverlight application to be able to change the UICulture of the current thread without having to recompile the application. If I set the current thread culture in the app.xaml, I need to recompile each time to change the culture. If I add an Application Settings, how can I retrieve that information on the client to be able to change the current thread culture info? any ideas ?

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• Enum Naming Convention - Plural

  - by o.k.w

  I'm asking this question despite having read similar but not exactly what I want at http://stackoverflow.com/questions/495051/c-naming-convention-for-enum-and-matching-property I found I have a tendency to name enums in plural and then 'use' them as singular, example: public enum EntityTypes { Type1, Type2 } public class SomeClass { /* some codes */ public EntityTypes EntityType {get; set;} } Of course it works and this is my style, but can anyone find potential problem with such convention? I do have an "ugly" naming with the word "Status" though: public enum OrderStatuses { Pending, Fulfilled, Error, Blah, Blah } public class SomeClass { /* some codes */ public OrderStatuses OrderStatus {get; set;} } Additional Info: Maybe my question wasn't clear enough. I often have to think hard when naming the variables of the my defined enum types. I know the best practice, but it doesn't help to ease my job of naming those variables. I can't possibly expose all my enum properties (say "Status") as "MyStatus". My question: Can anyone find potential problem with my convention described above? It is NOT about best practice. Question rephrase: Well, I guess I should ask the question this way: Can someone come out a good generic way of naming the enum type such that when used, the naming of the enum 'instance' will be pretty straightforward?

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• dynamically create class in scala, should I use interpreter?

  - by Phil

  Hi, I want to create a class at run-time in Scala. For now, just consider a simple case where I want to make the equivalent of a java bean with some attributes, I only know these attributes at run time. How can I create the scala class? I am willing to create from scala source file if there is a way to compile it and load it at run time, I may want to as I sometimes have some complex function I want to add to the class. How can I do it? I worry that the scala interpreter which I read about is sandboxing the interpreted code that it loads so that it won't be available to the general application hosting the interpreter? If this is the case, then I wouldn't be able to use the dynamically loaded scala class. Anyway, the question is, how can I dynamically create a scala class at run time and use it in my application, best case is to load it from a scala source file at run time, something like interpreterSource("file.scala") and its loaded into my current runtime, second best case is some creation by calling methods ie. createClass(...) to create it at runtime. Thanks, Phil

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• Django - provide additional information in template

  - by Ninefingers

  Hi all, I am building an app to learn Django and have started with a Contact system that currently stores Contacts and Addresses. C's are a many to many relationship with A's, but rather than use Django's models.ManyToManyField() I've created my own link-table providing additional information about the link, such as what the address type is to the that contact (home, work etc). What I'm trying to do is pass this information out to a view, so in my full view of a contact I can do this: def contact_view_full(request, contact_id): c = get_object_or_404(Contact, id=contact_id) a = [] links = ContactAddressLink.objects.filter(ContactID=c.id) for link in links: b = Address.objects.get(id=link.AddressID_id) a.append(b) return render_to_response('contact_full.html', {'contact_item': c, 'addresses' : a }, context_instance=RequestContext(request)) And so I can do the equivalent of c.Addresses.all() or however the ManyToManyField works. What I'm interested to know is how can I pass out information about the link in the link object with the 'addresses' : a information, so that when my template does this: {% for address in addresses %} <!-- ... --> {% endfor %} and properly associate the correct link object data with the address. So what's the best way to achieve this? I'm thinking a union of two objects might be an idea but I haven't enough experience with Django to know if that's considered the best way of doing it. Suggestions? Thanks in advance. Nf

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• Ubuntu 13.10 Symfony installation date time issue

  - by Sambo

  I'm installing Symfony on my Ubuntu system, everything was going fine until the very last moment when I was met with a screen that said: ContextErrorException: Warning: date_default_timezone_get(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone. in /var/www/symfony-test/app/cache/dev/classes.php line 5107 in /var/www/symfony-test/app/cache/dev/classes.php line 5107 at ErrorHandler->handle('2', 'date_default_timezone_get(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone.', '/var/www/symfony-test/app/cache/dev/classes.php', '5107', array('level' => '100', 'message' => 'Notified event "kernel.exception" to listener "Symfony\Component\HttpKernel\EventListener\ProfilerListener::onKernelException".', 'context' => array())) at date_default_timezone_get() in /var/www/symfony-test/app/cache/dev/classes.php line 5107 at Logger->addRecord('100', 'Notified event "kernel.exception" to listener "Symfony\Component\HttpKernel\EventListener\ProfilerListener::onKernelException".', array()) in /var/www/symfony-test/app/cache/dev/classes.php line 5193 at Logger->debug('Notified event "kernel.exception" to listener "Symfony\Component\HttpKernel\EventListener\ProfilerListener::onKernelException".') in /var/www/symfony-test/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/Debug/TraceableEventDispatcher.php line 246 at TraceableEventDispatcher->preListenerCall('kernel.exception', array(object(ProfilerListener), 'onKernelException')) in /var/www/symfony-test/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/Debug/TraceableEventDispatcher.php line 448 at TraceableEventDispatcher->Symfony\Component\HttpKernel\Debug\{closure}(object(GetResponseForExceptionEvent)) at call_user_func(object(Closure), object(GetResponseForExceptionEvent)) in /var/www/symfony-test/app/cache/dev/classes.php line 1667 at EventDispatcher->doDispatch(array(object(Closure), object(Closure)), 'kernel.exception', object(GetResponseForExceptionEvent)) in /var/www/symfony-test/app/cache/dev/classes.php line 1600 at EventDispatcher->dispatch('kernel.exception', object(GetResponseForExceptionEvent)) in /var/www/symfony-test/app/cache/dev/classes.php line 1764 at ContainerAwareEventDispatcher->dispatch('kernel.exception', object(GetResponseForExceptionEvent)) in /var/www/symfony-test/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/Debug/TraceableEventDispatcher.php line 139 at TraceableEventDispatcher->dispatch('kernel.exception', object(GetResponseForExceptionEvent)) in /var/www/symfony-test/app/bootstrap.php.cache line 2870 at HttpKernel->handleException(object(ContextErrorException), object(Request), '1') in /var/www/symfony-test/app/bootstrap.php.cache line 2823 at HttpKernel->handle(object(Request), '1', true) in /var/www/symfony-test/app/bootstrap.php.cache line 2947 at ContainerAwareHttpKernel->handle(object(Request), '1', true) in /var/www/symfony-test/app/bootstrap.php.cache line 2249 at Kernel->handle(object(Request)) in /var/www/symfony-test/web/app_dev.php line 28 After many hours of trying ideas in other threads, editing php.ini and classes.php to something that might work, I have gotten absolutely nowhere! Has anyone else had this problem

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• NSUserDefaults limit integer?

  - by rdesign

  Hey guys, Is it possible to limit an integer in the NSUserDefaults? Off course you can limit it within your app but I am thinking of the TextFields in Settings. Would be great to get some hints. Thanks a lot.

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• Genetic Algorithms applied to Curve Fitting

  - by devoured elysium

  Let's imagine I have an unknown function that I want to approximate via Genetic Algorithms. For this case, I'll assume it is y = 2x. I'd have a DNA composed of 5 elements, one y for each x, from x = 0 to x = 4, in which, after a lot of trials and computation and I'd arrive near something of the form: best_adn = [ 0, 2, 4, 6, 8 ] Keep in mind I don't know beforehand if it is a linear function, a polynomial or something way more ugly, Also, my goal is not to infer from the best_adn what is the type of function, I just want those points, so I can use them later. This was just an example problem. In my case, instead of having only 5 points in the DNA, I have something like 50 or 100. What is the best approach with GA to find the best set of points? Generating a population of 100, discard the worse 20% Recombine the remaining 80%? How? Cutting them at a random point and then putting together the first part of ADN of the father with the second part of ADN of the mother? Mutation, how should I define in this kind of problem mutation? Is it worth using Elitism? Any other simple idea worth using around? Thanks

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• ASP.NET Menu PopOutImage CSS

  - by WtFudgE

  Hi, when I use the asp:Menu the popoutimage is by default enable, I know I can disable it, but I kind of like it. The thing is I modified my background & foreground of the menu and so the popoutimage arrow is blended in the background. Is there a way to change the settings of this? And how should I go about? Is there maybe a CSS tag I could use for this? Thx

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• DateTimePicker replacement that "respects" e.g. the CurrentUICulture

  - by S.C. Madsen

  Apparently the DateTimePicker does not "respect" or adhere to the CurrentUICulture of a .NET application, because DateTimePicker is a "Native" Common-control with a .NET wrapper (I think). I have a requirement to display "AM/PM" regardless of the regional settings of the PC running my .NET Winforms application. I would rather not re-implement my own DateTimePicker control, which adheres to the CurrentIUCulture. So does anybody know of a work-around or have a link to DateTimePicker control re-implementation?

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• Problem dismissing multiple modal view controllers

  - by Sheehan Alam

  I am having trouble getting my modal view controllers to display properly. I have a parent view controller that is the delegate for modal view A. In modal view A I am presenting modal view B, and having the delegate dimiss modal view A. When modal view B appears it seems to display but the screen dims, and the UI locks up, but the app doesn't crash. I set animation settings to NO and I am still getting the same issue.

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• windows server 2008 issue

  - by Vivek Chandraprakash

  i have a website in windows server 2008. I'm using aspupload component. the upload works when the file size is small but fails when the size is huge. Is there some settings in iis 7 that limits the upload size? -Vivek

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• Silverlight blank browser

  - by Andrew Kalashnikov

  Hello, colleagues. I've got a problem with SilverLight default VS2008 project. Wnen i create new SL project and choose ASP.NET Web Site web project type all is ok, at my browser I see default template. But when I choose ASP.NET Web application, at running I get blank browser screen with js error: "Unhandled Error in Silverlight Application Code: 2104 Category: InitializeError Message: Could not download the Silverlight application. Check web server settings" What's wrong? Thanks for answer

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• importing .png image into flash CS3

  - by new

  While importing a .png file in Flash CS3, i noticed that it automatically gets resized. It gets imported smaller than its original size. Im importing it to the stage and not inside any symbol. Can anyone explain why this happens? Do i have to change any settings to get the original size as it is?

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• Trace redirect loop

  - by Michel Krämer

  I have a large PHP application. After I changed some settings I get a redirection loop (i.e. the browser is redirected to the same page over and over again). The problem is that I don't know which command (which line in which PHP file) in this application causes the redirect. Is there a way to trace calls to the header() function? Or - even better - is there a way to trace redirects in PHP? Thanks in advance, Michel

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• Flowplayer in fancybox?

  - by kastru

  I am trying to get the Flowplayer to be shown inside a Fancybox, but can't quite get it working. This is my code so far; $("a.video_link").click(function () { $.fancybox({ 'autoScale': false, 'transitionIn': 'none', 'transitionOut': 'none', 'title': this.title, 'width': 680, 'height': 495, 'href': '/flowplayer/flowplayer.swf?video=myvideo.flv', /* have also tried a couple of other options for the url settings, but without luck) 'type': 'swf', 'swf': { 'wmode': 'transparent', 'allowfullscreen': 'true' } }); return false; }); Any suggestions?

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• OleDb database to DataSet and back in c#?

  - by Troy

  I'm writing a program that lets a user: Connect to an (arbitrary) View all of the tables in that database in separate DataGridViews Edit them in the program, generate random data, and see the results Choose to commit those changes or revert So I discovered the DataSet class, which looks like it's capable of holding everything that a database would, and I decided that the best thing to do here would be to load everything into one dataset, let the user edit it, and then save the dataset back to the database. The problem is that the only way I can find to load the database tables is this: set = new DataSet(); DataTable schema = connection.GetOleDbSchemaTable( OleDbSchemaGuid.Tables, new string[] { null, null, null, "TABLE" }); foreach (DataRow row in schema.Rows) { string tableName = row.Field<string>("TABLE_NAME"); DataTable dTable = new DataTable(); new OleDbDataAdapter("SELECT * FROM " + tableName, connection).Fill(dTable); dTable.TableName = tableName; set.Tables.Add(dTable); } while it seems like there should be a simpler way given that datasets appear to be designed for exactly this purpose. The real problem though is when I try saving these things. In order to use the OleDbDataAdapter.Update() method, I'm told that I have to provide valid INSERT queries. Doesn't that kind of negate the whole point of having a class to handle this stuff for me? Anyway, I'm hoping somebody can either explain how to load and save a database into a dataset or maybe give me a better idea of how to do what I'm trying to do. I could always parse the commands together myself, but that doesn't seem like the best solution.

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• NSUserDefaults always returns 0, in Simulator and Device

  - by joec

  I have a settings bundle in my iPhone app, with the following PList: Type: PSMultiValueSpecifier Title: Within (Kilometres) DefaultValue: Number: 1 Titles: Array: Item 1: Number: 1 Item 2: Number: 2 Values: Array: Item 1: Number: 1 Item 2: Number: 2 Key: String: km Then in my code i have: NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults]; NSInteger choiceOne = [defaults integerForKey:@"km"]; choiceOne is always 0. What am i doing wrong? Thanks

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• Useful training courses that aren't specific to a single technology

  - by Dave Turvey

  I have possibly the best problem in the world. I have about £1600 left in a training budget and I need to find something to spend it on. I can spend it on anything that could be considered training. Books, courses, conferences, etc. I would like to find a course that would benifit a software developer but is not about learning a specific programming technology. I don't really want to spend it on a technical training course. These topics are usually best learned with a good book and some trial and error. I have also already been on a general business/management training course and a PRINCE2 project management course. I am currently working on a project on my own so am responsible for communicating with the client, requirements gathering, project management, etc., as well as the coding. What training have you found useful outside the usual technical stuff? Has anyone done any business analysis courses? What were they like? Are there any courses on some of the practicalities of working with software, e.g. automated test and deployment strategies, handling technical support? I would prefer a course in the UK but I can travel if necessary.

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• MySQL Full-Text Search Across Multiple Tables - Quick/Long Solution?

  - by Kerry

  Hello all, I have been doing a bit of research on full-text searches as we realized a series of LIKE statements are terrible. My first find was MySQL full-text searches. I tried to implement this and it worked on one table, failed when I was trying to join multiple tables, and so I consulted stackoverflow's articles (look at the end for a list of the ones I've been to) I didn't see anything that clearly answered my questions. I'm trying to get this done literally in an hour or two (quick solution) but I also want to do a better long term solution. Here is my query: SELECT a.`product_id`, a.`name`, a.`slug`, a.`description`, b.`list_price`, b.`price`, c.`image`, c.`swatch`, e.`name` AS industry FROM `products` AS a LEFT JOIN `website_products` AS b ON (a.`product_id` = b.`product_id`) LEFT JOIN ( SELECT `product_id`, `image`, `swatch` FROM `product_images` WHERE `sequence` = 0) AS c ON (a.`product_id` = c.`product_id`) LEFT JOIN `brands` AS d ON (a.`brand_id` = d.`brand_id`) INNER JOIN `industries` AS e ON (a.`industry_id` = e.`industry_id`) WHERE b.`website_id` = 96 AND b.`status` = 1 AND b.`active` = 1 AND MATCH( a.`name`, a.`sku`, a.`description`, d.`name` ) AGAINST ( 'ashley sofa' ) GROUP BY a.`product_id` ORDER BY b.`sequence` LIMIT 0, 9 The error I get is: Incorrect arguments to MATCH If I remove d.name from the MATCH statement it works. I have a full-text index on that column. I saw one of the articles say to use an OR MATCH for this table, but won't that lose the effectiveness of being able to rank them together or match them properly? Other places said to use UNIONs but I don't know how to do that properly. Any advice would be greatly appreciated. In the idea of a long term solution it seems that either Sphinx or Lucene is best. Now by no means and I a MySQL guru, and I heard that Lucene is a bit more complicated to setup, any recommendations or directions would be great. Articles: http://stackoverflow.com/questions/1117005/mysql-full-text-search-across-multiple-tables http://stackoverflow.com/questions/668371/mysql-fulltext-search-across-1-table http://stackoverflow.com/questions/2378366/mysql-how-to-make-multiple-table-fulltext-search http://stackoverflow.com/questions/737275/pros-cons-of-full-text-search-engine-lucene-sphinx-postgresql-full-text-searc http://stackoverflow.com/questions/1059253/searching-across-multiple-tables-best-practices

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• WPF StringFormat={0:C} showing as dollars

  - by Coesy

  Why does this line of code <TextBlock Text="{Binding Net, StringFormat=c}"/> Output the result as $xx.xx when all my regional settings are set to UK. I expect it to output it as £xx.xx. Any ideas? I have tried different variations of the stringformat including StringFormat={}{0:C} but still get the same result. Thanks for looking.

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• Suggest a good method with least lookup time complexity

  - by Amrish

  I have a structure which has 3 identifier fields and one value field. I have a list of these objects. To give an analogy, the identifier fields are like the primary keys to the object. These 3 fields uniquely identify an object. Class { int a1; int a2; int a3; int value; }; I would be having a list of say 1000 object of this datatype. I need to check for specific values of these identity key values by passing values of a1, a2 and a3 to a lookup function which would check if any object with those specific values of a1, a2 and a3 is present and returns that value. What is the most effective way to implement this to achieve a best lookup time? One solution I could think of is to have a 3 dimensional matrix of length say 1000 and populate the value in it. This has a lookup time of O(1). But the disadvantages are. 1. I need to know the length of array. 2. For higher identity fields (say 20), then I will need a 20 dimension matrix which would be an overkill on the memory. For my actual implementation, I have 23 identity fields. Can you suggest a good way to store this data which would give me the best look up time?

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