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• simplemodal contact form does not close after sending mail in ie8

  - by frank

  hi, i am using the simplemodal contact form for my website. it works perfectly on safari, firefox and opera on mac os, and firefox and chrome on windows. the only issue i have is with ie8. when i click the "send" button the mail is actually sent but i get an error message (alert window with "unknown" in it) and then everything seems to be in some infinite loop with the "loading.gif" turning and turning. it never gets to the step where i ahve the message "your mail has been sucessfully sent" although like i said the mail is sent. any idea where the problem is coming from ? thanks for your help. frank

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• How do I track images embedded in HTML?

  - by ycseattle

  Hi, I'd like to track the views/impressions of images on web pages, but still allow the images to be embedded in HTML, like in the "img src="http://mysite.com/upload/myimage.jpg"/" element. I know in Windows I can write a handler for ".jpg" so the URL will actually trigger a handling function instead of loading the images from disk. Is it possible to do that in python/django on Ubuntu server? Can web browser still cache the jpg files if it is not a straight file path? It looks to me that this is how google picasaweb handles the image file name. I'd like to get some ideas on how to implement that. Thanks! -Yi

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• Why doesn't CSS support constants?

  - by Adiel Mittmann

  CSS has never supported constants or variables directly. Whenever I'm writing code like this: span.class1 { color: #377fb6; } div.class2 { border: solid 1px #377fb6; /* Repeated color */ } I wonder why such a seemingly simple feature has never made it into the standard. What could be hard about implementing a scheme whereby we could avoid repetition, something like this: $theme_color1: #377fb6; span.class1 { color: $theme_color1; } div.class2 { border: solid 1px $theme_color1; } I know there are workarounds, like using a class for each color or generating CSS code from templates, but my question is: given that CSS is so rich and complex, why weren't CSS constants ever introduced?

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• How to get the first non-null value in Java?

  - by froadie

  Is there a Java equivalent of SQL's COALESCE function? That is, is there any way to return the first non-null value of several variables? e.g. Double a = null; Double b = 4.4; Double c = null; I want to somehow have a statement that will return the first non-null value of a, b, and c - in this case, it would return b, or 4.4. (Something like the sql method - return COALESCE(a,b,c)). I know that I can do it explicitly with something like: return a != null ? a : (b != null ? b : c) But I wondered if there was any built-in, accepted function to accomplish this.

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• Why does DataInputStream not support integers?

  - by Jason

  I need to read in a list of numbers from a file, none of which are larger than 32767. Originally I was going to use the Scanner class to pull in the data, then I read about DataInputStream. This would work well for me, except that according to the API, it supports all primitive variables EXCEPT ints! Listed are longs, shorts, bytes, chars, booleans, ect, but no ints. I have no need for double precision from the incoming data. Is this a deliberate or unintentional oversight?

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• NSURL not instantiating properly

  - by taokakao

  Hi, I am new to IPhone developing. I have got very strange issue with NSURL which is driving me crazy. I want to instantiate NSURL object to use it in loading image. But instantiation never happens in proper way. It always says my url in invalid. Basically I use code like below: NSString *str = @"http://google.com"; NSURL *url = [NSURL URLWithString:str]; but I also have tried a lot of different modifications (with CFStringRef + CFURLCreateStringByAddingPercentEscapes and so on). All of them are not working for me. In debugger url is set to "Invalid". What it could be? I don't think this is algorithmic or environment issue. It could be about some settings? Have anyone any idea of what happens?

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• How to save and load an array of complex numbers using numpy.savetxt?

  - by ptomato

  I want to use numpy.savetxt() to save an array of complex numbers to a text file. Problems: If you save the complex array with the default format string, the imaginary part is discarded. If you use fmt='%s', then numpy.loadtxt() can't load it unless you specify dtype=complex, converters={0: lambda s: complex(s)}. Even then, if there are NaN's in the array, loading still fails. It looks like someone has inquired about this multiple times on the Numpy mailing list and even filed a bug, but has not gotten a response. Before I put something together myself, is there a canonical way to do this?

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• Xcodebuild failing to pick up environment values from project file?

  - by egrunin

  I'm using Xcode 3.2.6, MacOSX. I have a globally visible environment setting: ICU_SRC=~/Documents/icu/source This really is an environment setting, it's set at login time. When I open up Terminal, it's there. In my project, under Header Search Paths I've added this: $(ICU_SRC)/i18n $(ICU_SRC)/common These expand correctly when I compile inside the IDE. When I look at the build results, I see this: -I/Users/eric.grunin/Documents/icu/source/i18n -I/Users/eric.grunin/Documents/icu/source/common When I build from the command line, however, it fails. What I see is this: -I/i18n -I/common Here's the command I'm using to compile: /usr/bin/env -i xcodebuild -project my_project.xcodeproj -target "my_program" -configuration Release -sdk macosx10.6 build What am I doing wrong? Edited to add: Apple explains Setting environment variables for user processes

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• Any way to have delayed_job execute some run-once code at startup and use across all jobs?

  - by Rob Cameron

  So I've got a delayed_job task that pushes some info to an XMPP server. Ideally you create a connection to XMPP once and then constantly push data to it, rather than creating a new connection every time you have some data to send. Is there any kind of facility in delayed_job for running a sort of 'setup' method when a worker starts, have it set some instance variables (like the XMPP connection object) that can then be used by all the jobs that come up? It's okay if each worker runs its own setup method. I just don't want every job (thousands per day) connecting to the XMPP server from scratch every time. Thanks for any help!

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• Android Reading from an Input stream efficiently

  - by RenegadeAndy

  Hey, I am making an HTTP get request to a website for an android application I am making. I am using a DefaultHttpClient and using HttpGet to issue the request. I get the entity response and from this obtain an InputStream object for getting the html of the page. I then cycle through the reply doing as follows: BufferedReader r = new BufferedReader(new InputStreamReader(inputStream)); String x = ""; x = r.readLine(); String total = ""; while(x!= null){ total += x; x = r.readLine(); } However this is horrendously slow. Is this inefficient? I'm not loading a big web page - www.cokezone.co.uk so the file size is not big. Is there a better way to do this? Thanks Andy

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• Can't get ajax - loaded image's height and width via jquery.

  - by Smickie

  I'm loading an image exteranlly via ajax like so... function load_image(image_href) { var img = new Image(); $(img).load(function () { $(this).hide(); $('#a_box').append(this); $(this).fadeIn(); }, gallery_image_load_complete() ).error(function () { }).attr('src', image_href); } function gallery_image_load_complete() { conslole.log('complete') $('#a_box img').height(); //wrong numbers, as though the image is partially loaded $('#a_box img').width(); //wrong numbers } The problem is I'm trying to get the loaded image's height and width inside the function gallery_image_load_complete(). For some reason, this image height and width are off, it's astohugh the image hasn't fully loaded. Can someone help me out please?

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• IE not blocking javascript

  - by Corey Hart

  It seems that IE8 defers javascript, but also doesn't block. I've setup a test environment to prove this. Here's the html page(replace 192.168.1.xxx with your server): <html> <head> <title>IE Pains</title> <script type='text/javascript' src='http://192.168.1.xxx/ietest/js.js'></script> <script type='text/javascript'> scream('hello world'); </script> </head> <body> </body> </html> And the js File: function scream( str ) { alert( str ); } Am I seeing this wrong, or does IE not recognize the scream function because it hasn't finished loading js.js?

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• How to simulate an error 500 in Symfony 1.4?

  - by Guillaume Flandre

  I created an error500.php file in web/errors/ and would now like to test it. I tried to put this line in one of my actions: $this->getResponse()->setStatusCode(500); Unfortunately it looks like it's ignored. Do you guys have any idea of what's happening here? I'm using Symfony 1.4. Edit: Firebug is telling me that the error is actually fired but the page is still loading afterwards. And I'm in the prod env.

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• Where to maintain common information, that could be accessed by all forms

  - by The King

  Hi All, This is my first winform app in .NET... I have made a couple of ASP.NET app... In this app, I have some common variables, like current user name, his selected process etc.. etc.. This should be made accessible from all forms in the app at any time... How could I do this... Is there any place like "Session" in ASP.NET here... Further How do coders generally pass information from one form to another... Here I want to pass on the info I acquired in the first form to the subsequent forms... I use constructor overloading and pass the values as parameters... I'm pretty sure there has to be a better way to do it... Thanks for your time...

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• ASP.NET Ajax partial postback and jQuery problem

  - by chromaloop

  A control contains some HTML and some jQuery to handle a fancy tooltip to display when you click an image within a div. The control is then used on several different pages, sometimes within an updatePanel, sometimes not. I have the following code to handle loading the jQuery after a partial postback when the control is displayed within an update panel. Sys.WebForms.PageRequestManager.getInstance().add_endRequest(EndRequestHandler); function EndRequestHandler(sender, args) { $('img.ormdShipping').each(function(){ $(this).qtip({ // some qtip options go here }) }); } Problem is, the jQuery doesn't load when the control is used anywhere other than an updatePanel. Do I need a second function that's triggered outside of the EndRequestHandler?

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• Does retrieving an object from Doctrine2 cause __construct() of the model class to run?

  - by jiewmeng

  When I retrieve an object say by $em->find('Application\Models\User', 1); or other methods like DQL, findBy*() cause the __construct() of the model class to run? I am having a problem where I set variables there like reference to EntityManager and I find that its not set. I tried putting a die() in __construct() and it doesn't halt the application. Can I say that if I want to set other properties/fields like EntityManager $em I have to do it some other way? Perhaps something like protected function getEm() { if (!isset($this->em)) { $this->em = \Zend_Registry::get('em'); } return $this->em; }

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• Create custom component based on LinearLayout, declaring layout in XML

  - by pheelicks

  I've been trying to create a Compound Control in Android 1.5 (as described here) but havn't been able to find any good examples on how to do this using an XML file to specify a layout. I'm fine with creating an Activity and then loading an xml file using the following in the constructor: setContentView(R.layout.main); However, I want to do this in subclass of LinearLayout - so I can use this compound component in other XML layouts. Something along the lines of: public class CustomView extends LinearLayout { public CustomView(Context context) { super(context); setupView(); } public CustomView(Context context, AttributeSet attrs) { super(context, attrs); setupView(); } public void setupView() { setContentView(R.layout.custom); // Not possible } } What is the correct way of going about doing this?

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• Actionscript not running in nested MovieClips in Swf loaded into AIR app.

  - by Stray

  I'm loading content swfs into an Air App. The swfs are loaded into the non-app sandbox, and any communication is via the parent/child sandbox bridge. The swfs have timeline code. This code executes fine. The swfs also have mcs on the timeline - any code inside these mcs, or any child mcs of these mcs, is ignored. Simple traces do not execute below the top level timeline of the loaded swfs. I have tried naming the child mcs. I have tried exporting them in the library. Neither makes any difference. When I run the swf standalone, I see my diagnostic traces. When I load the swf, I only see the traces for the top level timeline. Air app is v1.5 Any clues? I've been bashing into this brick wall for several hours now...

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• JS function returning another function

  - by Michael

  I want to understand about variables, that has been used in returning function. This is example code Prototype = {} Prototype.F = { bind: function() { var args = arguments, __method = args.shift(), object = args.shift(); return function() { return __method.apply(object, args.concat(arguments)); } } } function ObjectA() { ... this.addListener = Prototype.F.bind(this.eventSource.addListener, this.eventSource); ... } var a = ObjectA(); a.addListener(this); // assuming 'this' here will point to some window object As I understand the returning function in F() is not evaluated until it's called in the last line. It's ok to accept. So addListener will hold a function body containing 'apply'. But what I don't understand, when addListener is called, what kind of parameters it is going to have? particularly _method and args will always be uninitialized?

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• Using ModalAlert from cookbook - app does not load

  - by user127091

  I'm using iphone cookbook code to prompt a user for text in a UIAlertView. The cookbook code is available at http://github.com/erica/iphone-3.0-cookbook-/tree/master/C10-Alerts/03-Soliciting%20Text/ In my AppDelegate, applicationDidFinishLaunching(), I invoke as below NSString *str = [ModalAlert ask:@"what is your name?" withTextPrompt:@"ATTUID"]; But my app does not finish loading at all. I get a black screen indefinitely. There are no messages in the console. I tried creating just a UIAlertView with UITextField in the above function and it displays properly. (commenting out her code) Commenting out "CFRunLoopRun()" also loads the app. I'm probably doing something stupid but can't seem to figure it out.

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• Inline function and calling cost in C

  - by Eonil

  I'm making a vector/matrix library. (GCC, ARM NEON, iPhone) typedef struct{ float v[4]; } Vector; typedef struct{ Vector v[4]; } Matrix; I passed struct data as pointer to avoid performance degrade from data copying when calling function. So I thought designed function like this: void makeTranslation(const Vector* factor, Matrix* restrict result); But, if function is inline, is there any reason to pass values as pointer for performance? Do those variables copied too? How about register and caches? inline Matrix makeTranslation(Vector factor) __attribute__ ((always_inline)); How do you think about calling costs of each cases?

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• Ruby (Shoes) List box crash when populating from excel

  - by DurkD

  I've got a problem when using Shoes. I'm basically trying to open an excel document and pass the names of the worksheets to a list_box. The following method is called on a button press after selecting a file. (This all works and the file opens) exc = WIN32OLE::new('excel.Application') excWB = exc.Workbooks.Open(xlsFile) @excWS = Array::new exc.visible = true excWB.Worksheets.each { |ws| @excWS.push(ws.name) } para @excWS list_box :items=> @excWS Not only do the names not show up in the list_box, the app crashes shortly after loading the box with no error. para @excWS shows the names of the worksheets with no problem. What am I doing wrong?

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• Cannot run 32bit compiled WPF applications on Windows 7 64bit

  - by adriaanp

  I created a WPF project in VS2008 and compiled it with Any CPU, x64 and x86. Any CPU and x64 works, but compiling to x86 the application is hanging when running through VS2008 and crashing when running without debugging. Debugging it with WinDbg I can see a StackOverflowException and sometimes a MissingMethodException relating to WPF methods. Common sense is telling something here that the CLR is not loading the correct assemblies or something when running 32bit WPF apps. I tried reinstalling .NET Framework 3.5 SP1, but it does not fix the problem. I don't know how to go about checking if the correct assemblies are loaded or used. Any ideas? UPDATE: Not a real solution but the best I could do quickly was to reinstall Windows 7

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• Yet another Rails routing question

  - by danhere

  I can't seem to grasp the Rails routing just yet. I want to be able to link the site to, for example, ...com/store/xbox360/Mass Effect 2 (which is /store(my controller)/:system/:title). I have the database entries that include the :system and :title variables (?). How would I route these to show up and filter these entries? Or is this something I need to set up in the controller? I'm lost. Thanks so much for your help.

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• Can't correctly stream x264 video to mobile via RTSP

  - by Andrew

  Hello! I'm trying to stream video compressed with x264 and NeroAAC and hinted with MP4Box. When i'm playing it with VLC player streaming works fine, as expected. When i'm trying to open URL with my HTC Hero, it switches to player mode, then starts "loading video" animation, then after some time it shows "unable to connect to server". Sample movies provided with DSS streamed fine regardless bitrate. I tried few encoding options, but always the same result. I suspect nocabac and level=11 but it didn't changed nothing. Is there some more specific encoding options for such type? Thank You!

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