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• How should I write Jquery Mobile app for browsers with and without javascript support?

  - by Adrian Grigore

  Hi, I'm trying to wrap my head around jQuery Mobile. My aim is to build a very fast application with a look and feel as close as possible to a native app (at least for modern devices). I understand there are two ways of navigating between pages: Loading each page as a separate page and linking to other pages with regular html anchors. Putting all (or many) pages on one single web page and navigating between them by means of javascript ($.mobile.changePage (method) and similar api functions. The first approach should work on all browsers, but performs quite poorly since there is a delay between each page transition. The second looks like it should be much faster, so I would definitely prefer this approach. But how would that work for mobile device browsers without javascript support? It certainly seems to violate jQuery Mobile's aim to provide a gracefully degraded experience for C-grade browsers. It looks to me like I need to implement my app twice, once optimized for browsers with javascript support, once for browsers without? Using may be another option, but that looks even more messy. What's the recommended way to approach this dilemma? Is there anything I have not noticed? Thanks, Adrian

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• Help with understanding generic relations in Django (and usage in Admin)

  - by saturdayplace

  I'm building a CMS for my company's website (I've looked at the existing Django solutions and want something that's much slimmer/simpler, and that handles our situation specifically.. Plus, I'd like to learn this stuff better). I'm having trouble wrapping my head around generic relations. I have a Page model, a SoftwareModule model, and some other models that define content on our website, each with their get_absolute_url() defined. I'd like for my users to be able to assign any Page instance a list of objects, of any type, including other page instances. This list will become that Page instance's sub-menu. I've tried the following: class Page(models.Model): body = models.TextField() links = generic.GenericRelation("LinkedItem") @models.permalink def get_absolute_url(self): # returns the right URL class LinkedItem(models.Model): content_type = models.ForeignKey(ContentType) object_id = models.PositiveIntegerField() content_object = generic.GenericForeignKey('content_type', 'object_id') title = models.CharField(max_length=100) def __unicode__(self): return self.title class SoftwareModule(models.Model): name = models.CharField(max_length=100) description = models.TextField() def __unicode__(self): return self.name @models.permalink def get_absolute_url(self): # returns the right URL This gets me a generic relation with an API to do page_instance.links.all(). We're on our way. What I'm not sure how to pull off, is on the page instance's change form, how to create the relationship between that page, and any other extant object in the database. My desired end result: to render the following in a template: <ul> {% for link in page.links.all %} <li><a href='{{ link.content_object.get_absolute_url() }}'>{{ link.title }}</a></li> {% endfor%} </ul> Obviously, there's something I'm unaware of or mis-understanding, but I feel like I'm, treading into that area where I don't know what I don't know. What am I missing?

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• Problem reintegrating a branch into the trunk in Subversion 1.5

  - by pako

  I'm trying to reintegrate a development branch into the trunk in my Subversion 1.5 repository. I merged all the changes from the trunk to the development branch prior to this operation. Now when I try to reintegrate the changes from the branch I get the following error message: Command: Reintegrate merge https://dev/svn/branches/devel into C:\trunk Error: Reintegrate can only be used if revisions 280 through 325 were previously Error: merged from https://dev/svn/trunk to the reintegrate Error: source, but this is not the case: Error: branches/devel/images/test Error: Missing ranges: /trunk/images/test:280-324 ... The message then goes on complaining about some folders in my project. But when I try to merge the changes from the trunk to the development branch again, TortoiseSVN tells me that there's nothing to merge (as I already merged all the changes before): Command: Merging revisions 1-HEAD of https://dev/svn/trunk into C:\devel, respecting ancestry Completed: C:\devel I'm trying to follow the instructions from here: http://svnbook.red-bean.com/en/1.5/svn.branchmerge.basicmerging.html, but there's nothing about solving such a problem. Any ideas? Perhaps I should just delete the trunk and then make a copy of my branch? But I'm not really sure if it's safe.

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• Odd background image resizing on animating UIView

  - by Woody

  I have a UIView in the middle of a view that I am using as a game playing area (in a 2d cocoa view). This image has a background image of the same size as the view. Resizing the view I use animation to make it look smooth (and that works fine). However, when the animation starts, the background image immediately changes size, tiling or being clipped to a size that when the animation finishes, the background image is physically the same size. I don't want this, I want the image to always fit the view, regardless of the view size. UIImage *bgImage = [UIImage imageNamed:@"head.png"]; ... // resize the image returning another image self.view.backgroundColor = [[UIColor alloc] initWithPatternImage:resizedImage]; [UIView beginAnimations:@"resizeView" context:nil]; [UIView setAnimationDuration:.5]; int localViewSize = ... // work out view sizes self.view.frame = CGRectMake(... ,localViewSize,localViewSize); [UIView commitAnimations]; It looks very odd as it jumps to a different size, then animates to the original size. I am guessing that maybe I would have to make a separate view underneath my main view but is that the only way?

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• Debugging SQL Server Slowness: Same Database, Different Servers

  - by Craig Walker

  For a while now we've been having anecdotal slowness on our newly-minted (VMWare-based) SQL Server 2005 database servers. Recently the problem has come to a head and I've started looking for the root cause of the issue. Here's the weird part: on the stored procedure that I'm using as a performance test case, I get a 30x difference in the execution speed depending on which DB server I run it on. This is using the same database (mdf) and log (ldf) files, detached, copied, and reattached from the slow server to the fast one. This doesn't appear to be a (virtualized) hardware issue: he slow server has 4x the CPU capacity and 2x the memory as the fast one. As best as I can tell, the problem lies in the environment/configuration of the servers (either operating system or SQL Server installation). However, I've checked a bunch of variables (SQL Server config options, running services, disk fragmentation) and found nothing that has made a difference in testing. What things should I be looking at? What tools can I use to investigate why this is happening?

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• python - tkinter - update label from variable

  - by Tom

  I wrote a python script that does some stuff to generate and then keep changing some text stored as a string variable. This works, and I can print the string each time it gets changed. Problems have arisen while trying to display that output in a GUI (just as a basic label) using tkinter. I can get the label to display the string for the first time... but it never updates. This is really the first time I have tried to use tkinter, so it's likely I'm making a foolish error. What I've got looks logical to me, but I'm evidently going wrong somewhere! from tkinter import * outputText = 'Ready' counter = int(0) root = Tk() root.maxsize(400, 400) var = StringVar() l = Label(root, textvariable=var, anchor=NW, justify=LEFT, wraplength=398) l.pack() var.set(outputText) while True: counter = counter + 1 #do some stuff that generates string as variable 'result' outputText = result #do some more stuff that generates new string as variable 'result' outputText = result #do some more stuff that generates new string as variable 'result' outputText = result if counter == 5: break root.mainloop() I also tried: from tkinter import * outputText = 'Ready' counter = int(0) root = Tk() root.maxsize(400, 400) var = StringVar() l = Label(root, textvariable=var, anchor=NW, justify=LEFT, wraplength=398) l.pack() var.set(outputText) while True: counter = counter + 1 #do some stuff that generates string as variable 'result' outputText = result var.set(outputText) #do some more stuff that generates new string as variable 'result' outputText = result var.set(outputText) #do some more stuff that generates new string as variable 'result' outputText = result var.set(outputText) if counter == 5: break root.mainloop() In both cases, the label will show 'Ready' but won't update to change that to the strings as they're generated later. After a fair bit of googling and looking through answers on this site, I thought the solution might be to use update_idletasks - I tried putting that in after each time the variable was changed, but it didn't help. It also seems possible I am meant to be using trace and callback somehow to make all this work...but I can't get my head around how that works (I tried, but didn't manage to make anything that even looked like it would do something, let alone actually worked). I'm still very new to both python and especially tkinter, so, any help much appreciated but please spell it out for me if you can :)

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• How to best implement Version Control for Web Development?

  - by Adam Taylor

  Version control systems are obviously important in development projects but there use in web development projects appears to be more complex, what with the requirement of having a web server to run all but the simplest of web applications. With that in mind, I have looked around and discovered a few different methods of using version control in web development projects: Provide each developer with a virtual machine which is a replication of the development server and have the developer run their working copy of the application in the virtual machine. Have each developer use a sub domain on the development server, e.g. john.project.com and checkout their working copy of the app to the directories the sub domain points to. Use the version control system to checkout code, make a change, commit the code and then check it on the development server (which points to the head of the repository). I can see a drawback of 1 being the added time required to create the virtual machines and ensure that the virtual machines are kept insync with the development server (also the need(?) to continuously change the developers host file to point at the virtual machine not the development server). I can see 2 possibly being a problem if absolute URLs are used within the site unless there is an easy way to update the configuration to use the new subdomains as well. 3 is the easiest to set up but is rather primitive and it will presumably become quite tedious for a developer to keep checking in the code after every time change. How have the users of stackoverflow used version control with web development projects and which method/workflow was most effective. Please also include extra methods I haven't thought of / read about.

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• Use of SAX parser in Android - OutOfMemory Issue

  - by Sephy

  Hi everybody, I have been using a SAX parser for a while now to get data from various XML, but today i'm banging my head on a new problem with a hudge XML (compared to the previous ones . here around 12k lines) with a lot of repetitive items in it. Most of the time, the items are part of a block : <content> <item lbl="blabla"> <item lbl="blabla"/> <item lbl="blabla"/> </item> <item lbl="blabla"> <item lbl="blabla"/> <item lbl="blabla"/> <item lbl="blabla"/> <item lbl="blabla"/> <item lbl="blabla"/> <item lbl="blabla"/> </item> </content> The blabla part is of course changing...But, I would like to keep the structure of items (they are titles and subtitles). And for that, I append each blabla with a starting and ending tag blabla, where x is the position in the tree of items (1, 2, 3 or 4). The slightly problematic part is that with that, I'm creating thousands of useless objects and the garbage collector doesn't have time to clean after the parser, and the inevitable OutOfMemory comes in my face... I have no idea of how to deal with it; The best technique would be if I could take the whole content of , but i'm not sure that this is possible with a SAX parser. Any help is welcome and any solution deeply thanked...

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• SQL Server 2008 - Editing Tables: Bit columns require 'True' or 'False'

  - by CJM

  Not so much a question as an observation... I'm just upgrading to SQL Server 2008 on my development machine in anticipation of upgrading my live applications. I didn't anticipate any problems since [I think] I generally use standard T-SQL, and probably not too far from ANSI standard SQL. So far so good, but I was really thrown by a very simple change: I was creating a simple, small look-up table to store a list of codes and including a bit column to indicate the current default code. But when I used the new/modified 'Edit Top 200 Rows' option, and entered my 0s and 1s in the the bit column I got an error: 'Invalid value for cell - String was not recognised as a valid boolean' After a bit of head-scratching, I tried True and False - and they worked. So it seems this new Edit feature requires 4 or 5 characters to be typed, rather than the previous 1. Checking further, we can still use '...where bitval = 1' but can now also use '...where bitval = 'true''. But any results returned render these bit columns as 0 or 1 still. It all sounds like half a step backwards. Not the end of the world, but and unnecessary annoyance. Does anybody have any insight on this issue? Or there any other new Gotchas with SQL Server 2008?

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• Ideas on C# DSL syntax

  - by Dmitriy Nagirnyak

  Hi, I am thinking about implementing a templating engine using only the plain C#/.NET 4 syntax with the benefit of static typing. Then on top of that templating language we could create Domain Specific Languages (let's say HTML4, XHTML, HTML5, RSS, Atom, Multipart Emails and so on). One of the best DSLs in .NET 4 (if not only one) is SharpDOM. It implements HTML-specific DSL. Looking at SharpDOM, I am really impressed of what you can do using .NET (4). So I believe there are some not-so-well-known ways for implementing custom DSLs in .NET 4. Possibly not as well as in Ruby, but still. So my the question would be: what are the C# (4) specific syntax features that can be used for implementing custom DSLs? Examples I can think of right now: // HTML - doesn't look tooo readable :) div(clas: "head", ul(clas: "menu", id: "main-menu", () => { foreach(var item in allItems) { li(item.Name) } }) // See how much noise it has with all the closing brackets? ) // Plain text (Email or something) - probably too simple Line("Dear {0}", user.Name); Line("You have been kicked off from this site"); For me it is really hard to come up with the syntax with least amount of noise. Please NOTE that I am not talking about another language (Boo, IronRuby etc), neither I am not talking about different templating engines (NHaml, Spark, StringTemplate etc). Thanks, Dmitriy.

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• jQuery How do you get an image to fade in on load?

  - by Cool Hand Luke UK

  All I want to do is fade my logo in on the page loading. I am new today to jQuery and I can't managed to fadeIn on load please help. Sorry if this question has already been answered I have had a look and try to adapt other answers for different question but nothing seems to work and its starting to frustrate me. Thanks. Code: <script type="text/javascript"> $(function () { .load(function () { // set the image hidden by default $('#logo').hide();.fadeIn(3000); }} </script> <link rel="stylesheet" href="challenge.css"/> <title>Acme Widgets</title> </head> <body> <div id="wrapper"> <div id="header"> <img id="logo" src="logo-smaller.jpg" /> </div> <div id="nav"> navigation </div> <div id="leftCol"> left col </div> <div id="rightCol"> <div id="header2"> header 2 </div> <div id="centreCol"> body text </div> <div id="rightCol2"> right col </div> </div> <div id="footer"> footer </div> </div> </body> </html>

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• Load external script dynamic, and access it, so I can trigger its domready function

  - by Didier

  I am trying to load the Zopim chat client. Normally it is included with a document write action. This causes it to be loaded before the domReady function is triggered, as it needs this to start itself. I want to load it later, and this works by using prototype (framework determined by Magento) to create a new script element and attaching it to the head. The script is loaded perfectly, but the domReady doesn't fire, so the script is never started. The script is a nameless class, by this I mean that all its functions are encapsulated in {} UPDATE: Sorry, I got it wrong, it is as self invoking function, the same syntax as the first answer suggest. (function C(){ })(); This function call when run sets up listening events for the domReady event under various browsers and then waits. When the domready event fires, it calls a function (that is within the self-invoked function) that starts everything. What I need, is a way to access this function somehow. END UPDATE Within that is a function named C. How can I call this function directly? Or put another way, how can I start an external javascript file that depends on domready going off, when that event doesn't happen? Can I load an external javascript file into a variable, so I can name the class? Can I access the nameless class {} somehow maybe via the script tag? Is there a way to alter the external file/javascript so I can have it look for another event, one that I can trigger? About the only solution I can think of at the moment is to create a iframe and load the script in that.

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• How do you unit test a LINQ expression using Moq and Machine.Specifications?

  - by Phil.Wheeler

  I'm struggling to get my head around how to accommodate a mocked repository's method that only accepts a Linq expression as its argument. Specifically, the repository has a First() method that looks like this: public T First(Expression<Func<T, bool>> expression) { return All().Where(expression).FirstOrDefault(); } The difficulty I'm encountering is with my MSpec tests, where I'm (probably incorrectly) trying to mock that call: public abstract class with_userprofile_repository { protected static Mock<IRepository<UserProfile>> repository; Establish context = () => { repository = new Mock<IRepository<UserProfile>>(); repository.Setup<UserProfile>(x => x.First(up => up.OpenID == @"http://testuser.myopenid.com")).Returns(GetDummyUser()); }; protected static UserProfile GetDummyUser() { UserProfile p = new UserProfile(); p.OpenID = @"http://testuser.myopenid.com"; p.FirstName = "Joe"; p.LastLogin = DateTime.Now.Date.AddDays(-7); p.LastName = "Bloggs"; p.Email = "[email protected]"; return p; } } I run into trouble because it's not enjoying the Linq expression: System.NotSupportedException: Expression up = (up.OpenID = "http://testuser.myopenid.com") is not supported. So how does one test these sorts of scenarios?

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• An SVN error (200 OK) when checking out from my online repo

  - by J. LaRosee

  I'm trying to setup my first repo on my host and am getting this error when I use Tortoise to checkout the project: Error: OPTIONS of 'http://mywebsite.com/svn/myproject': 200 OK (http://mywebsite.com) Here is what I did: 1) ssh into my host and head to /home/myaccnt and 'svnadmin create svn' 2) create my project repo: 'svn mkdir svn/myproject' 3) add files to the repo: cd /home/myaccnt/.../myproject (which has /tags, /branch, /trunk); 'svn import file:///home/myaccnt/svn/myproject' (the big ole list of files being added is seen at this point.) At this point I think that I've setup my repo and imported my project into the repo. So, I'm ready to checkout using TortoiseSVN on my Windows box. So: 4) In the folder I'd like to checkout to, I rightclick and 'SVN Checkout' and then make sure my URL is: http://mywebsite.com/svn/myproject Result? Error: OPTIONS of 'http://mywebsite.com/svn/myproject': 200 OK (http://mywebsite.com) Anyone have any thoughts for me? I'm likely missing something fundemental w/ the structure of my repo or htaccess... or something. Many thanks in advance. -JL

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• How to deal with calculated values with Dependency Properties on a custom WPF control

  - by jpierson

  To summarize what I'm doing, I have a custom control that looks like a checked listbox and that has two dependency properties one that provides a list of available options and the other that represents a enum flag value that combines the selection options. So as I mentioned my custom control exposes two different DependencyProperties, one of which is a list of options called Options and the other property called SelectedOptions is of a specific Enum type that uses the [Flags] attribute to allow combinations of values to be set. My UserControl then contains an ItemsControl similar to a ListBox that is used to display the options along with a checkbox. When the check box is checked or unchecked the SelectedOptions property should be updated accordingly by using the corresponding bitwise operation. The problem I'm experiencing is that I have no way other than resorting to maintaining private fields and handling property change events to update my properties which just feels unatural in WPF. I have tried using ValueConverters but have run into the problem that I can't really using binding with the value converter binding so I would need to resort to hard coding my enum values as the ValueConverter parameter which is not acceptable. If anybody has seen a good example of how to do this sanely I would greatly appreciate any input. Side Note: This has been a problem I've had in the past too while trying to wrap my head around how dependency properties don't allow calculated or deferred values. Another example is when one may want to expose a property on a child control as a property on the parent. Most suggest in this case to use binding but that only works if the child controls property is a Dependency Property since placing the binding so that the target is the parent property it would be overwritten when the user of the parent control wants to set their own binding for that property.

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• javasript function

  - by user289346

  var curtext="View large image"; function changeSrc() { if(curtext == "View large image"){ document.getElementById("boldStuff").innerHTML ="View small image"; curtext="View small image"; } else{ document.getElementById("boldStuff").innerHTML="View large image"; curtext="View large image"; } } var curimage="cottage_small.jpg"; function changeSrc(){ if(curimage == "cottage_small.jpg"){ document.getElementById("myImage").src="cottage_large.jpg"; curimage="cottage_large.jpg"; } else{ document.getElementById("myImage").src="cottage_small.jpg"; curimage="cottage_small.jpg"; } } </script> </head> <body> <!-- Your page here --> <h1> Pink Knoll Properties</h1> <h2> Single Family Homes</h2> <p> Cottage:<strong>$149,000</strong><br/> 2 bed, 1 bath, 1,189 square feet, 1.11 acres <br/><br/> <a href="#" onclick="changeSrc()"><b id="boldStuff" />View large image</a></p> <p><img id="myImage" src="cottage_small.jpg" alt="Photo of a cottage" /></p> </body> I need help, how to put as one function with two arguments. That means when you click, the image and text both will be change. Thank you! Bianca

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• C++ Swig Python (Embedded Python in C++) works in Release but not in Debug

  - by sambha

  Platform: Windows 7, 64 bit (x64), Visual Studio 2008 I chose Python & Swig binding as the scripting environment of the application. As a prototype, created a simple VS solution with main() which initializes Python (Py_Initalize, Py_setPyHome, etc) & executes test.py. In the same solution created another project which is a DLL of a simple class. Used SWIG to wrap this class. This DLL is the _MyClasses.pyd. test.py creates the objects of my class & calls its member functions. All this works like a charm in the Release mode. But does not work in Debug mode (even tried banging my head on the laptop ;-) ). Output of my work looks like this (in both release & debug): x64 -debug - _MyClasses.pyd - MyClasses.py - test.exe - test.py - python26.dll - python26_d.dll Note that the debug version is linked against python26_d.lib. Had to build python myself for this! test.py import MyClasses print "ello" m = MyClasses.Male("John Doe", 25) print m.getType() Male is the C++ class. The problem: Traceback (most recent call last): File "test.py", line 6, in <module> import MyClasses File "...\x64\Debug\MyClasses.py", line 25, in <module> _MyClasses = swig_import_helper() File "...\x64\Debug\MyClasses.py", line 17, in swig_imp ort_helper import _MyClasses ImportError: No module named _MyClasses [15454 refs] I am used to Makefiles & am new to Visual Studio. I dont know who the culprit is here: Swig, The debug build of Python, Visual Studio, my stupidity. Thank you in advance. It will be a great help.

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• Populate datagrid using Datacontext in C# WPF

  - by anon

  I'm trying to get data from file. The file first has three lines of text that describes the file, then there is a header for the data below. I've managed to extract that. What I'm having problems is getting the data below the header line. The data below the header line can look like "1 2 3 4 5 6 7 8 9 abc". DataGrid dataGrid1 = new DataGrid(); masterGrid.Children.Add(dataGrid1); using (TextReader tr = new StreamReader(@filename)) { int lineCount = 1; while (tr.Peek() >= 0) { string line = tr.ReadLine(); { string[] data = line.Trim().Split(' '); Dictionary<string, object> sensorData = new Dictionary<string, object>(); for (int i = 0, j = 0; i < data.Length; i++) { //I know that I'm delimiting the data by a space before. //but the data from the text file doesn't necessarily have //just one space between each piece of data //so if I don't do this, spaces will become part of the data. if (String.Compare(data[i]," ") > 0) { sensorData[head[j]] = data[i]; j++; } } sensorDatas.Add(sensorData); sensorData = null; } lineCount++; } } dataGrid1.DataContext = sensorDatas; I can't figure out why this doens't work. If I change "dataGrid1.DataContext = sensorDatas;" to "dataGrid1.ItemsSource = sensorDatas;" then I get the data in the proper columns, but I also get some Raw View data such as: Comparer, Count, Keys, Values as columns, which I don't want. Any insight?

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• How to test an HTTP 301 redirect?

  - by NoozNooz42

  How can one easily test HTTP return codes, like, say, a 301 redirect? For example, if I want to "see what's going on", I can use telnet to do something like this: ... $ telnet nytimes.com 80 Trying 199.239.136.200... Connected to nytimes.com. Escape character is '^]'. GET / HTTP/1.0 (enter) (enter) HTTP/1.1 200 OK Server: Sun-ONE-Web-Server/6.1 Date: Mon, 14 Jun 2010 12:18:04 GMT Content-type: text/html Set-cookie: RMID=007af83f42dd4c161dfcce7d; expires=Tuesday, 14-Jun-2011 12:18:04 GMT; path=/; domain=.nytimes.com Set-cookie: adxcs=-; path=/; domain=.nytimes.com Set-cookie: adxcs=-; path=/; domain=.nytimes.com Set-cookie: adxcs=-; path=/; domain=.nytimes.com Expires: Thu, 01 Dec 1994 16:00:00 GMT Cache-control: no-cache Pragma: no-cache Connection: close <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> ... Which is an easy way to access quite some infos. But now I want to test that a 301 redirect is indeed a 301 redirect. How can I do so? Basically, instead of getting a HTTP/1.1 200 OK I'd like to know how I can get the 301? I know that I can enter the name of the URL in a browser and "see" that I'm redirected, but I'd like to know what tool(s) can be used to actually really "see" the 301 redirect. Btw, I did test with a telnet, but when I enter www.example.org, which I redirected to example.org (without the www), all I can see is an "200 OK", I don't get to see the 301.

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• [AS3] BitmapData cut-off

  - by Fristi

  Hello, I am writing a MovieClip rasterizer which rasterizes all the frames in the specified movieclip. Here's the code for rasterizing: for ( var i:int = start; i <= end; i++ ) { //goto the next frame clip.gotoAndStop( i ); //get the bounds bounds = clip.getBounds(clip); //create a new bitmapdata container bitmapData = new BitmapData( transformer.width == -1 ? bounds.width : transformer.width, transformer.height == -1 ? bounds.height : transformer.height, transformer.transparent, transformer.color ); //rotate the clip if (clip.rotation != 0) transformer.rotate( clip.rotation * (Math.PI / 180) ); //scale the clip if (clip.scaleX != 1 || clip.scaleY != 1) transformer.scale( clip.scaleX, clip.scaleY ); //translate the movieclip to its zero point if (transformer.matrix.tx == 0 && transformer.matrix.ty == 0) transformer.translateToZero( bounds ); //draw the bitmap data with the transformers bitmapData.draw( this._source, transformer.matrix, transformer.colorTransform, transformer.blendMode, transformer.clipRect, //new Rectangle(0, 0, bounds.width, bounds.height), transformer.smoothing ); //push the data on the array frames.push( bitmapData ); } Now the result is different - http://i42.tinypic.com/lfv52.jpg - (note the head and left shoe). Anyone knows what the problem is? I've seen people adding 'extra' pixels to their boundary box at the BitmapData constructor, but thats nasty imo.

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• Non-Relational Database Design

  - by Ian Varley

  I'm interested in hearing about design strategies you have used with non-relational "nosql" databases - that is, the (mostly new) class of data stores that don't use traditional relational design or SQL (such as Hypertable, CouchDB, SimpleDB, Google App Engine datastore, Voldemort, Cassandra, SQL Data Services, etc.). They're also often referred to as "key/value stores", and at base they act like giant distributed persistent hash tables. Specifically, I want to learn about the differences in conceptual data design with these new databases. What's easier, what's harder, what can't be done at all? Have you come up with alternate designs that work much better in the non-relational world? Have you hit your head against anything that seems impossible? Have you bridged the gap with any design patterns, e.g. to translate from one to the other? Do you even do explicit data models at all now (e.g. in UML) or have you chucked them entirely in favor of semi-structured / document-oriented data blobs? Do you miss any of the major extra services that RDBMSes provide, like relational integrity, arbitrarily complex transaction support, triggers, etc? I come from a SQL relational DB background, so normalization is in my blood. That said, I get the advantages of non-relational databases for simplicity and scaling, and my gut tells me that there has to be a richer overlap of design capabilities. What have you done? FYI, there have been StackOverflow discussions on similar topics here: the next generation of databases changing schemas to work with Google App Engine choosing a document-oriented database

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• Explicit script end tag always converted to self-closing

  - by Jonas

  I'm using xslt to transform xml to an aspx file. In the xslt, I have a script tag to include a jquery.js file. To get it to work with IE, the script tag must have an explicit closing tag. For some reason, this doesn't work with xslt below. <?xml version="1.0" encoding="utf-8"?> <xsl:stylesheet version="1.0" xmlns="http://www.w3.org/1999/xhtml" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:msxsl="urn:schemas-microsoft-com:xslt" exclude-result-prefixes="msxsl" xmlns:asp="remove"> <xsl:output method="html"/> <xsl:template match="/"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>TEST</title> <script type="text/javascript" src="jquery-1.2.6.js"></script> But if I change the script tag as shown below, it works. <script type="text/javascript" src="jquery-1.2.6.js"> // <![CDATA[ // ]]> </script> I thought that the <xsl:output method="html" /> would do the trick, but it doesn't seem to work? /Jonas

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• asp.net mvc client side validation; manually calling validation via javascript for ajax posts

  - by Jopache

  Under the built in client side validation (Microsoft mvc validation in mvc 2) using data annotations, when you try to submit a form and the fields are invalid, you will get the red validation summary next to the fields and the form will not post. However, I am using jquery form plugin to intercept the submit action on that form and doing the post via ajax. This is causing it to ignore validation; the red text shows up; but the form posts anyways. Is there an easy way to manually call the validation via javascript when I'm submitting the form? I am still kind of a javascript n00b. I tried googling it with no results and looking through the js source code makes my head hurt trying to figure it out. Or would you all recommend that I look in to some other validation framework? I liked the idea of jquery validate; but would like to define my validation requirements only in my viewmodel. Any experiences with xval or anything of the sort?

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• Why does my REST request return garbage data?

  - by Alienfluid

  I am trying to use LWP::Simple to make a GET request to a REST service. Here's the simple code: use LWP::Simple; $uri = "http://api.stackoverflow.com/0.8/questions/tagged/php"; $jsonresponse= get $uri; print $jsonresponse; On my local machine, running Ubuntu 10.4, and Perl version 5.10.1: farhan@farhan-lnx:~$ perl --version This is perl, v5.10.1 (*) built for x86_64-linux-gnu-thread-multi I can get the correct response and have it printed on the screen. E.g.: farhan@farhan-lnx:~$ head -10 output.txt { "total": 1000, "page": 1, "pagesize": 30, "questions": [ { "tags": [ "php", "arrays", "coding-style" (... snipped ...) But on my host's machine to which I SSH into, I get garbage printed on the screen for the same exact code. I am assuming it has something to do with the encoding, but the REST service does not return the character set type in the response, so how do I force LWP::Simple to use the correct encoding? Any ideas what may be going on here? Here's the version of Perl on my host's machine: [dredd]$ perl --version This is perl, v5.8.8 built for x86_64-linux-gnu-thread-multi

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• sharp architecture question

  - by csetzkorn

  I am trying to get my head around the sharp architecture and follow the tutorial. I am using this code: using Bla.Core; using System.Collections.Generic; using Bla.Core.DataInterfaces; using System.Web.Mvc; using SharpArch.Core; using SharpArch.Web; using Bla.Web; namespace Bla.Web.Controllers { public class UsersController { public UsersController(IUserRepository userRepository) { Check.Require(userRepository != null,"userRepository may not be null"); this.userRepository = userRepository; } public ActionResult ListStaffMembersMatching(string filter) { List<User> matchingUsers = userRepository.FindAllMatching(filter); return View("ListUsersMatchingFilter", matchingUsers); } private readonly IUserRepository userRepository; } } I get this error: The name 'View' does not exist in the current context I have used all the correct using statements and referenced the assemblies as far as I can see. The views live in Bla.Web in this architecture. Can anyone see the problem? Thanks. Christian

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