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• Rails application and multilingual content, Model dilemma

  - by dakull

  I'm writing in Rails a website that will be multilingual, for the application translation part i will use the simple I18n gem, for messages and everything related. Yet, all the content must be translated, and we're talking about lots of pages, that will be stored into the database ( like articles, news, etc. ) For now, I'm thinking of two approaches: Lets say i have a Pages table, the content in diff. languages, i will be storing it in a different table called PagesContent that will belong_to Pages and also to a Languages table. The problem here, is that I'll essentially duplicate the no. of tables needed. Pros: flexibility, in the box validation To skip that duplication i can serialize a hash into the content column of Pages, containing the translation. The problem here, is validation, arguably more code to write, and less flexibility when adding a new language. Pros: Less tables. Any other idea ?

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• Can I test for the end of the content of a text/plain file with Selenium or javascript?

  - by fool4jesus

  I have a page that results in a text/plain file being displayed in the browser that looks like this: ... Admin Site Administration 2010-04-21 22:26:34 [email protected] Test Site Bob Smith 2010-04-21 22:27:09 [email protected] Admin Site Administration 2010-04-21 22:29:26 [email protected] I am trying to write a Selenium test against this that verifies the last line of the file has "[email protected]" at the end. How would you do this? I can't depend on the date/time as this is a login report that is constantly getting updated - all I want is to ensure that the last line ends with that email address. And I can't figure out how to do it using Selenium expressions, DOM, or XPath.

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• how topass value to controller??

  - by rajesh

  hi all, actuallly when i trying to pass url value to controller action, action is not getting the required value... i ma sending the value like this function value(url,id) { alert(url); document.getElementById('rating').innerHTML=id; var params = 'artist='+id; alert(params); // var newurl='http://localhost/songs_full/public/eslresult/ratesong/userid/1/id/27'; var myAjax = new Ajax.Request(newurl,{method: 'post',parameters:params,onComplete: loadResponse}); //var myAjax = new Ajax.Request(url,{method:'POST',parameters:params,onComplete: load}); //alert(myAjax); } function load(http) { alert('success'); } and in controller i hav write like public function ratesongAction() { $user=$_POST['rating']; echo $user; $post= $this->getRequest()->getPost(); //echo $post; $ratesongid= $this->_getParam('id'); but still not getting the result i am using zend framework

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• RSA encrypted data block size

  - by calccrypto

  how do you store an rsa encrypted data block? the output might be significantly greater than the original input data block size, and i dont think people waste memory by padding bucket loads of 0s in front of each data block. besides, how would they be removed? or is each block stored on new lines within the file? if that is the case, how would you tell the difference between legitimate new line and a '\n' char written into the file? what am i missing? im writing the "write to file" part in python, so maybe its one of the differences between: open(file,'w') open(file,'w+b') open(file,'wb') that i dont know. or is it something else?

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• Writing to a .plist file

  - by sg

  I have a .plist with 2 key values in it. It is of type Dictionary. I am trying to write value to one of the key values. What's wrong with the code below? I also tried using type "Array". That option also does not work. How can I get it to work using Dictionary & also Array? Anyone has working code example? Thanks. I would appreciate any help. NSString *filePath = @"myprefs.plist"; NSMutableDictionary* plistDict = [[NSMutableDictionary alloc] initWithContentsOfFile:filePath]; [plistDict setValue:@"[email protected]" forKey:@"Email"]; [plistDict writeToFile:filePath atomically: YES];

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• Performing complex query with Dynamics CRM 4.0

  - by dub

  Hi, I have two custom entites, Product and ProductType, linked together in many-to-one relationship. Product has a lookup field to ProductType. I'm trying to write a query to fetch Type1 products with a price over 100, and Type2 products with a price lower than 100. Here's how I would do it in SQL : select * from Product P inner join ProductType T on T.Id = P.TypeId where (T.Code = 'Type1' and P.Price >= 100) or (T.Code = 'Type2' and P.Price < 100) I can't figure out a way to build a QueryExpression to do exactly that. I know I could do it with two queries, but I'd like to minimize roundtrips to the server. Is there a way to perform that query in only one operation ? Thanks!

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• Generate combinations by order and fixed length.

  - by roconmachine

  Suppose there is array main[] = [a,b,c,....z]; a[] = [a1,a2,a3,....] , b[] = [b1,b2,b3,....] and so on. So if we generate combination in main.length of ordered then it looks like ..... a1 b1 c1, a1 b1 c2, a1 b1 c3 ...... a1 b2 c1, a1 b3 c1, ..... a2 b1 c1, a3 b1 c1, ..... and total count will be a.length * b.length * c.length ........ = ? So write a code in any language to generate those combination. all the best. alex

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• how to configure hibernate not to update @Version on each access to entity

  - by radai

  i have a simple query that returns an entity, and when i look at hibernate SQL output i see that when i execute this query hibernate updates the @Version field (on each consecutive read the @version field is updated). i dont modify anything in the entity i fetch, and i dont pass is as an argument to either persist or merge. this effectively means every read i make turns into a read+write. i've tried setting the lock mode t oboth NONE (jpa 2) and READ (jpa 1) to no avail. is there any way to achieve this? if so, is there any way to set this as the default behavior in persistence.xml in some way ? im using jpa2 over hibernate 3.6

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• How can I safely decide if a variable is a string of more than one characters?

  - by Alan

  I am using the following Javascript: if (typeof content !== 'undefined' && content.length > 0) { $state.transitionTo('admin.content', { content: content }) } I thought this was safe to use but it gives me an error saying: TypeError: Cannot read property 'length' of null I am using the following function to decide if something is a number: isNumber: function (num) { // Return false if num is null or an empty string if (num === null || (typeof num === "string" && num.length === 0)) { return false; } var rtn = !isNaN(num) return rtn; }, How can I write a similar function that would very safely determine if something is a string with a length of more than 0?

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• XmlSerializer.Serialize doesn't save a file and doesn't throw an exception.

  - by Wodzu

  Hi guys. I am having problem with saving of my object. Take a look at this code: public void SerializeToXML(String FileName) { XmlSerializer fSerializer = new XmlSerializer(typeof(Configuration)); using (Stream fStream = new FileStream(FileName, FileMode.Create, FileAccess.Write, FileShare.None)) { fSerializer.Serialize(fStream, this); } } The problem is that when the user does not have rights to the location on hard disk, this function will not throw me any exception and do not save my file. For example saving to "C:\test.xml" act like nothing happened. And I would like to know if the file has not been saved and it would be good to know the reason why. I know that I could check if the file on given location exists and throw an exception manualy but shouldn't this be done by the XmlSerializer or FileStream itself? Thanks for your time

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• View / ViewModel - what is the sense (in a WPF control)?

  - by TomTom

  Not as funny as it sounds. Normally the View / ViewModel should decouple the presentation from the business logic. Good. Now, a Control in WPF is basically invisible unless made different (with the exceptions of UserControl and Window that have XAML directly attached). The Style is putting in the "visual presentation" - which basically means a Control does not need a view mechanism as WPF already has one? In addition. the ViewModel is actually part of the Control, or? Just fighting with that stuff. I know in ASP.NET, WinForms the separation makes a lot of sense - but there, basically, controls HAVE an intrinsic look. In WPF, I have some where it makes sense (derived from UserControl), but for the majority of the controls I write, the View & ViewModel look like pretty much totally superflous thanks to the already presenting view mechanism.

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• How do I make a symlink to every directory in the current directory that has the same name but has u

  - by Jason Baker

  For instance, I suppose I have a directory that contains the following folders foo_bar baz What I would like to have is a bash command that will make a symlink foo-bar to foo_bar so it would look like this: foo-bar foo_bar baz I'm pretty sure I can write a Python script to do this, but I'm curious if there's a way to do this with bash. Here's where I'm stuck: ls -1 | grep _ | xargs -I {} ln -s {} `{} | sed 's/_/-/'` What I'm trying to do is run the command ln -s with the first argument being the directory name and the second argument being that name passed through sed s/_/-/. Is there another way to do this?

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• Where do current (not HTML5) browsers stand on clipboard support for non-text data?

  - by John

  I don't really know where the line is between the browser itself and HTML/JS here. But let's say I want to write a web-app where I can copy a chunk of data from MSPaint (select, CTRL+c) and paste it into a web-page in some way... ultimately the point is the data goes to the server without me having to save it as a file first. Where are the problems here - browsers or client-side technologies? For instance if JS can't do it, could Flex/Silverlight? Advice on future technology welcome, but doesn't really answer the question - where are we right now with IE/FF/Chrome and JS/Flex/SL?

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• How communicate with pty via minicom or screen?

  - by gscott2112

  I am trying to provide an AT/Modem-like interface around some hardware. Follwing this post I have the server setting up a pty using openpty(). Now I can communicate with the server as expected with a client app that open the slave and communicates via read() and write() calls. However I would also like to be able to use either the screen command or minicom to issue commands by hand to the slave. However the server never seems to receive any data when trying to do this. Is there something significant I am missing with this approach?

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• Duplicate ID/indexes and looping

  - by Justin Alexander

  I realize having two elements in the same html doc with the same ID is wrong, bad, immoral, and will lead to global warming. But... I'm trying to write an XSS widgit, so I really have no control over the quality of the parent web page. I loop through document.images to retrieve a list of images on the page. I perform an action on each one. for(img in document.images){ ... } i've also tried for(var i=0;i<document.images.length;i++){ ... } in both cases it allows me to loop through all of the elements, BUT when trying trying to reference an object with a duplicate ID, I always get the first (in order of the html). When using debugger in IE8 i'm able to see that both elements ARE listed, but that they both have the same index (in IE the index of the document.images is either sequential or matches the image ID) Does anyone have a better solution?

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• Loading a Windows DLL in Java and initiate a class from it

  - by Joy

  I have a Windows DLL file from .NET namely "System.Management.dll". I work with it using the code I write below: ManagementObjectSearcher searcher = new ManagementObjectSearcher("root\\CIMV2", "SELECT * FROM Win32_LogicalDisk WHERE Name = 'C:'"); foreach (ManagementObject queryObj in searcher.Get()) { Console.WriteLine("Win32_LogicalDisk instance: "); if (queryObj["VolumeSerialNumber"] != null) { Console.WriteLine("Drive Name : " + queryObj["Name"]); Console.WriteLine("VolumeSerialNumber:", queryObj["VolumeSerialNumber"]); SysdriveSerial = queryObj["VolumeSerialNumber"].ToString(); } } Now I need this piece of code to be in Java. So can I do this? Without anything like c++ unmanaged code. I don't want to use c++ unmanaged code to call to this dll. I want something like this : public class CallToCsharp { private static native void ManagementObjectSearcher(); public static void main(String[] args) { System.loadLibrary("System.Management"); System.out.println("Loaded"); ManagementObjectSearcher searcher = new ManagementObjectSearcher("root\\CIMV2", "SELECT * FROM Win32_LogicalDisk WHERE Name = 'C:'"); } }

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• Is it possible to use SWT on a Mac with Mac Java 1.6

  - by ?????

  The official Eclipse site seems to indicate this is not possible: https://bugs.eclipse.org/bugs/show_bug.cgi?id=216051 which says: Apple is not supporting the 64-bit carbon API. SWT is written using carbon so it must be 32-bit. Apple won't support 32-bit JDK 1.6. Therefore SWT won't run on JDK 1.6 (along with any other Java program that had natives that made carbon calls). Nothing we can do here other than port to cocoa (which has been started but is still in the early stages). Is this still true? (This bug report comment is from over a year ago.) Is there no way to write an SWT app that I can distribute and will run on any Mac unless the user installs an old/Sun VM?

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• Need help with this basic Contains<>() extension method and Lambda expressions

  - by Polaris878

  Hi, Say I have the following class: class Foo { // ctor etc here public string Bar { get; } } Now, I have a LinkedList of Foos declared like so: LinkedList<Foo> How would I write a basic Contains<() for this? I want to be able to do this: Foo foo = new Foo(someString); LinkedList<Foo> list = new LinkedList<foo>(); // Populate list with Foos bool contains = list.Contains<Foo>(foo, (x => foo.Bar == x.Bar)); Am I trying to do this correctly? Thanks

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• Which .NET performance and/or memory profilers will allow me to profile a DLL?

  - by Eric

  I write a lot of .NET based plug-ins for other programs which are usually compiled as a DLL which is up to the native application to start up. I've been using Equatec's profiler, which works great, but now would like something with more features, including the ability to profile memory usage. I tried out Red Gate's Ant Profiler, but as far as I can see there is no way to profile a DLL. The only option is to profile an EXE. So my question is what other profiling tools are available that will allow me to profile a single library DLL rather than an EXE. I'm assuming this would require injecting profile code into the library as Equatec does?

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• ActionScript Basic Question

  - by TheDarkIn1978

  i've only ever created external .as files that extended a class such as sprite. now i just want to create one that doesn't extend anything and call it from a frame script. package { public class Test { public function Test(val:Number, max:Number) { trace(val, max); } } } from my frame script of an .fla that is in the same folder as Test.as, i'll write this: Test(50, 100); this produces the following error: 1137: Incorrect number of arguments. Expected no more than 1.

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• Where to store things like user pictures using Azure? Blob Storage?

  - by n26

  I have just migrated a project of mine for test cases to Microsoft's azure. But for functionalities similar to an avatar upload I need write access to the files on the harddrive. But this is a cloud, so this is not possible. How can I build such functionalities instead? Should I use the Blob Storage or is there a better solution? Does it make sense to store all website images (f.e. layout images) in the Blob Storage? So I would have a Cookie-free Domain for my static content?

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• Should I use a metaclass, class decorator, or override the __new__ method?

  - by 007brendan

  Here is my problem. I want the following class to have a bunch of property attributes. I could either write them all out like foo and bar, or based on some other examples I've seen, it looks like I could use a class decorator, a metaclass, or override the __new__ method to set the properties automagically. I'm just not sure what the "right" way to do it would be. class Test(object): def calculate_attr(self, attr): # do calculaty stuff return attr @property def foo(self): return self.calculate_attr('foo') @property def bar(self): return self.calculate_attr('bar')

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• Empty or "flush" a file descriptor without read()?

  - by Teddy

  (Note: This is not a question of how to flush a write(). This is the other end of it, so to speak.) Is it possible to empty a file descriptor that has data to be read in it without having to read() it? You might not be interested in the data, and reading it all would therefore waste space and cycles you might have better uses for. If it is not possible in POSIX, do any operating systems have any non-portable ways to do this? UPDATE: Please note that I'm talking about file descriptors, not streams.

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• Export Sharepoint 2007 Custom List as RSS File

  - by matt

  Here's our scenario: We've created a sharepoint 2007 calendar on our intranet site We want to run a daily job to export a subset of the events to an rss file Another job will move the rss file to our public web site We have some funny restrictions where we can't simply publish the rss feed to the public. We have to go this export route. I'm not clear on how to accomplish step 2. Ideally, we wouldn't have to write a lot of custom code to accomplish this. Thanks.

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• Automatically CONCATENATE text on data entry

  - by Bill T

  I am a newbie and need help. I have a table called "Employees". It has 2 fields [number] and [encode]. I want to automatically take whatever number is entered into [number] and store it in [encode] so that it is preceded by the appropriate amount of 0's to always make 12 digits. Example: user enters '123' into [number], '000000000123' is automatically stored in [encode] user enters '123456789' into [number], '000123456789' is automatically stored in [encode] I think i want to write a trigger to accomplish this. I think that would make it happen at the time of data entry. is that right? The main idea is would be something like this: variable1 = LENGTH [number] variable2 = REPEAT (0,12-variable1) variable3 = CONCATENATE (variable2, [number]) [encode] = variable3 I just don't know enough to make this happen ANY help would be FANTASTIC. I have SQL-SERVER 2005 and both fields are text

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