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• TFS: How do I view .cs files in the VS IDE when viewing details of a shelveset?

  - by Josh Leonard

  For our code review process we open the details of a shelveset to see all files that have been worked on. Right clicking and choosing "Compare" works great for existing ( modified ) files. But, when a file has been added I just want to view the file. Double clicking ( or right click - view ) opens .cs ( and .sql )files in notepad. When I try to open a .PRC file ( extension for our stored procedures ) I get a prompt that allows me to choose what program to use for viewing. Does anyone know how to get this prompt to show up for .cs files ( and all other files, for that matter ) Thanks! Configuration: Visual Studio 2008 SP1 Visual Studio 2008 Team Explorer .net 3.5 SP1 Team Foundation Server 2005

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• When (and why) is {} undefined in a JavaScript console?

  - by JS_Riddler

  In the console of both FF and Chrome, {} is considered undefined until explicitly evaluated: {}; // undefined ({}); // ? Object Actually, it's a bit less defined than undefined -- it's apparently bad syntax: {} === undefined; // SyntaxError: Unexpected token === {}.constructor; // SyntaxError: Unexpected token . But not if it's on the other side, in which case it's fine: "[object Object]" == {}.toString(); // true Or if it's not the first expression: undefined + undefined; // NaN {} + undefined; // NaN undefined + {}; // "undefined[object Object]" What gives?

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• Rails - Paperclip, getting width and height of image in model

  - by Corey Tenold

  Trying to get the width and height of the uploaded image while still in the model on the initial save. Any way to do this? Here's the snippet of code I've been testing with from my model. Of course it fails on "instance.photo_width". has_attached_file :photo, :styles => { :original => "634x471>", :thumb => Proc.new { |instance| ratio = instance.photo_width/instance.photo_height min_width = 142 min_height = 119 if ratio > 1 final_height = min_height final_width = final_height * ratio else final_width = min_width final_height = final_width * ratio end "#{final_width}x#{final_height}" } }, :storage => :s3, :s3_credentials => "#{RAILS_ROOT}/config/s3.yml", :path => ":attachment/:id/:style.:extension", :bucket => 'foo_bucket' So I'm basically trying to do this to get a custom thumbnail width and height based on the initial image dimensions. Any ideas?

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• Transforming large Xml files

  - by Chad

  I was using this extension method to transform very large xml files with an xslt. Unfortunately, I get an OutOfMemoryException on the source.ToString() line. I realize there must be a better way, I'm just not sure what that would be? public static XElement Transform(this XElement source, string xslPath, XsltArgumentList arguments) { var doc = new XmlDocument(); doc.LoadXml(source.ToString()); var xsl = new XslCompiledTransform(); xsl.Load(xslPath); using (var swDocument = new StringWriter(System.Globalization.CultureInfo.InvariantCulture)) { using (var xtw = new XmlTextWriter(swDocument)) { xsl.Transform((doc.CreateNavigator()), arguments, xtw); xtw.Flush(); return XElement.Parse(swDocument.ToString()); } } } Thoughts? Solutions? Etc.

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• PHP: Class extends problem "Call to private method ... from context ..."

  - by sombe

  I have 3 classes in WordPress (the question itself is unrelated to it): class WP_Widget class Theme_Widget extends WP_Widget class Specific_Widget extends Theme_Widget Essentially Theme_Widget contains some extension functions to the basic WP_Widget. Inside Specific_Widget I call one of Theme_Widget's methods: class Specific_Widget { function __construct() { $this->some_method_that_belongs_to_Theme_Widget(); } } When I instantiate Specific_Widget, PHP throws a fatal error as follows: Fatal error: Call to private method Theme_Widget::some_method_that_belongs_to_Theme_Widget() from context 'Specific_Widget' in ... Do you have an idea as to how I can resolve this? This is the first time I've received this error from PHP. Could it be derive from WordPress itself?

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• Cannot add an icon to Resources

  - by Stanley

  Have been inputting and testing some sample code and everything seems to be ok. Just that suddenly I am running into this very frustrating problem of trying to add an icon to the project. Have downloaded an icon file (extension : icns) to my desktop and dragged it to the "Resources" group in xCode. Then a dialogue comes up from xCode where I checked the 2 options : "Copy items into destination group's folder (if needed)" and "Recursively create groups for any added folders". But when I press the "Add" button, an "Alert" message box would come up. It says "Could not copy the icon to ...". Hope that someone knowledgable in this area would give me some hints...

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• Silverlight + Facebook DTK API -> SecurityException ONLY on Mac and Firefox...

  - by santiago

  I have a SilverLight application which throws a security exception when running on FireFox for Macs. The exact same application works fine on Windows (Internet Explorer, FireFox, Chrome, Opera) and on Safari for Macs. I am using the Facebook Developer Toolkit available on Codeplex. The exception is thrown when the user launches the App. At that time I use the SilverLight Facebook API to run some queries using: facebookAPI.Fql.MultiqueryAsync(queries, QueryAppUsersCompleted, dispatcher); In my callback function QueryAppUsersCompleted, the FacebookException does not evaluate to null, and its innerException property has a SecurityException in it. Any help would be tremendously appreciated.

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• Is there an automatic way to remove debugging methods for a release build?

  - by Lewis

  Note: This is an extension of an earlier question I asked here: Do additional function/method definitions increase a program's memory footprint? When I write a class, I usually end up writing several testing/debugging methods, used to make sure the class works as it should, or for printing data to help with debugging, or for unit testing, etc. Is there an easy/automatic way to make a release without these methods, or do I need to manually delete the extra code any time I want to compile a release version? I ask this question both from a C++ and a Java perspective. I'm using Code::Blocks and Eclipse as IDEs, if that plays into the answer somehow.

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• What was the thinking behind the development of Object Oriented Programming?

  - by leeand00

  I've got some real nay-sayers on my hands here, and I'm trying to give them the reason why OOP was developed in the first place. I realize that OOP is not perfect for all problems and situations, but it was developed for a reason... My guess would be, that a few of those reasons would be: Maintainability Re-usability Document-ability Abstraction of Complex Technologies Dynamic Extension at Runtime... Probably some things that I'm not even aware of yet... But I really don't have much to back this up, and I was wondering why OOP was developed in the first place, and it's history. What were the people who developed OOP trying to accomplish? What led them to develop OOP?

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• not inserting data into database from jsf web module connecting with ejb module..

  - by krazyk

  hello.. in my application i had taken ejbmodule and web module seprately. in ejb module there is one entity and session bean with remote interface. in web module i had taken jsf and used managed bean for calling method of session bean. and used jsf page with .jsp extension where m had put 2 textboxes and one commandbutton.which mapped to managed bean. my database table has only 2 field. bt when i run the application and entered data then click on button no operation is done.no data inserted into database table. i m nt given any error.so couldn't found any problem.. also dnt knw clear abt faces-config.xml file i had written abt managed bean into tht file.. plz guide me wht will be the actual problem?. thanks in advance.. waiting for positive reply..

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• Detecting support for a given JavaScript event?

  - by Will

  I'm interested in using the JavaScript hashchange event to monitor changes in the URL's fragment identifier. I'm aware of Really Simple History and the jQuery plugins for this. However, I've reached the conclusion that in my particular project it's not really worth the added overhead of another JS file. What I would like to do instead is take the "progressive enhancement" route. That is, I want to test whether the hashchange event is supported by the visitor's browser, and write my code to use it if it's available, as an enhancement rather than a core feature. IE 8, Firefox 3.6, and Chrome 4.1.249 support it, and that accounts for about 20% of my site's traffic. So, uh ... is there some way to test whether a browser supports a particular event? Thanks.

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• IIS7 and ARR as reverse proxy for Subversion

  - by Paul Stovell

  I am using IIS7 and the Application Request Routing extension to act as a reverse proxy to Subversion running on Apache. The proxy works fine and I am able to explore the server, and even perform a "check out". However, I cannot browse to files that would normally be forbidden by ASP.NET - for example, .cs, .csproj, and so on. Files ASP.NET wouldn't be concerned with - such as .txt - are fine. I tried to edit the global web.config to remove the Forbidden handler mapping for these files, but it did not seem to make a difference. Is there any way to allow the URL rewriting module in IIS7 to work, while allowing all file extensions to be rendered?

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• python - selenium script syntax error

  - by William Hawkes

  Okay, I used selenium to test some automation, which I got to work. I did an export of the script for python. When I tried to run the python script it generated, it gave me a "SyntaxError: invalid syntax" error message. Here's the python script in question: from selenium import selenium import unittest, time, re class WakeupCall(unittest.TestCase): def setUp(self): self.verificationErrors = [] self.selenium = selenium("localhost", 4444, "*chrome", "http://the.web.site") self.selenium.start() def test_wakeup_call(self): sel = self.selenium sel.open("/index.php#deposit") sel.wait_for_page_to_load("30000") sel.click("link=History") sel.wait_for_page_to_load("30000") try: self.failUnless(sel.is_text_present("key phrase number 1.")) except AssertionError, e: self.verificationErrors.append(str(e)) The last line is what generated the "SyntaxError: invalid syntax" error message. A "^" was under the comma. The rest of the script goes as follows: def tearDown(self): self.selenium.stop() self.assertEqual([], self.verificationErrors) if name == "main": unittest.main()

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• How can I refer to a binding converter in another namespace in Silverlight XAML?

  - by Mike Pateras

  Since you apparently can't create a Silverlight DataTemplate in C#, I'm trying to create one in XAML. I have a converter that I need to refer to, that I have defined in C# in another namespace. I've tried doing this: <UserControl.Resources> <DataTemplate x:Key="PriceTemplate"> <TextBlock Text="{Binding Price, Converter={Converters:PriceConverter}}" /> </DataTemplate> </UserControl.Resources> Where Converters is an xmlns that points to the correct namespace. However, I get a compilation error that says: Type 'Converters:PriceConverter' is used like a markup extension but does not derive from MarkupExtension. I tried adding System.Windows.Markup.MarkupExtension as a parent to my converter, but it apparently doesn't exist in Silverlight. How can I refer to my converter in XAML, without having to rewrite it in XAML?

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• input URL, output contents of "view page source", i.e. after javascript / etc, library or command-li

  - by Ryan Berckmans

  I need a scalable, automated, method of dumping the contents of "view page source" (DOM) to a file. Programs such as wget or curl will non-interactively retrieve a set of URLs, but do not execute javascript or any of that 'fancy stuff'. My ideal solution looks like any of the following (fantasy solutions): cat urls.txt | google-chrome --quiet --no-gui \ --output-sources-directory=~/urls-source (fantasy command line, no idea if flags like these exist) or cat urls.txt | python -c "import some-library; \ ... use some-library to process urls.txt ; output sources to ~/urls-source" As a secondary concern, I also need: dump all included javascript source to file (a la firebug) dump pdf/image of page to file (print to file)

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• script only works in IE

  - by Alex

  I have the following JavaScript for show running line: <script type="text/javascript" language="javascript"> //Change script's width (in pixels) var marqueewidth=800 //Change script's height (in pixels, pertains only to NS) var marqueeheight=20 //Change script's scroll speed (larger is faster) var speed=3 //Change script's contents var marqueecontents='You text here' if (document.all) document.write('<marquee scrollAmount='+speed+' style="width:'+marqueewidth+'">'+marqueecontents+'</marquee>') function regenerate(){ window.location.reload() } function regenerate2(){ if (document.layers){ setTimeout("window.onresize=regenerate",450) intializemarquee() } } function intializemarquee(){ document.cmarquee01.document.cmarquee02.document.write('<nobr>'+marqueecontents+'</nobr>') document.cmarquee01.document.cmarquee02.document.close() thelength=document.cmarquee01.document.cmarquee02.document.width scrollit() } function scrollit(){ if (document.cmarquee01.document.cmarquee02.left>=thelength*(-1)){ document.cmarquee01.document.cmarquee02.left-=speed setTimeout("scrollit()",100) } else{ document.cmarquee01.document.cmarquee02.left=marqueewidth scrollit() } } window.onload=regenerate2 </script> What should I change in script to make it work in FF and Chrome? Thanks

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• Interpreting Accept Headers as intended in IE and Webkit

  - by Jrgns

  I developed a web app that responds with data in the format as specified by the client in the HTTP Accept Headers. Everything worked fine while using Firefox, but when I wanted to check my CSS / HTML on Chrome and IE, both of them wanted to download the index page, as if it's an unknown content type. After some research I found this article, which states that IE sends out a lot of crud in it's HTTP Accept headers, amongst others a list of image/* content types right at the start. This caused my web app to try to send the index page as an image/jpeg. So how do I know when to ignore and when to use the Accept Headers?

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• How to dynamically add a Javascript function (and invoke)

  - by whitey

  Based on a click event on the page, via ajax I fetch a block of html and script, I am able to take the script element and append it to the head element, however WebKit based browsers are not treating it as script (ie. I cannot invoke a function declared in the appended script). Using the Chrome Developer Tools I can see that my script node is indeed there, but it shows up differently then a script block that is not added dynamically, a non-dynamic script has a text child element and I cannot figure out a way to duplicate this for the dynamic script. Any ideas or better ways to be doing this? The driving force is there is potentially a lot of html and script that would never be needed unless a user clicks on a particular tab, in which case the relevant content (and script) would be loaded. Thanks!

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• Serialize an object to string

  - by Vaccano

  I have the following method to save an Object to a file: // Save an object out to the disk public static void SerializeObject<T>(this T toSerialize, String filename) { XmlSerializer xmlSerializer = new XmlSerializer(toSerialize.GetType()); TextWriter textWriter = new StreamWriter(filename); xmlSerializer.Serialize(textWriter, toSerialize); textWriter.Close(); } I confess I did not write it (I only converted it to a extension method that took a type parameter). Now I need it to give the xml back to me as a string (rather than save it to a file). I am looking into it, but I have not figured it out yet. I thought this might be really easy for someone familiar with these objects. If not I will figure it out eventually.

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• (Windows) How to lock all applications (explorer, task manager etc.) and make only the browser activ

  - by Unni

  I'm trying to run only the browser in the system - locking access to everything else. Only the supervisor can resume the normal functioning of the system after giving a password. This kind of activity is usually done by virus. Disabling the registry for Task manager etc. Does anyone know of any source available that does this? I might be able to pull it off in Windows XP. But have anyone tried this in Windows 7 ? The aim is to to emulate the Chrome OS on Windows. Only the browser. Nothing else.

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• Small line-height cross-browser difference

  - by AESM

  So basicly my problem is that the line-heights in Firefox are a little bittle "larger" than in other browsers even though they're all fixed line-heights. For example, you have a block element which has a height from 100px and the line-height is set to 102px. Now, in Firefox the vertical alignment of text is perfect. But in the latest Chrome and Safari 4, the text stands 2px or so higher. Isn't there any way to fix this? Thanks.

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• JSON Syntax, what is this?

  - by danp

  I understand concepts of JSON ok, but after starting to use ebay's api, I came across a notation which I've not seen before, and was wondering if anyone could explain what's going on with it? { "findItemsByKeywordsResponse": [ { "ack": [ "Success" ], "version": [ "1.5.0" ], "timestamp": [ "2010-06-16T08:42:21.468Z" ], "searchResult": [ { "@count": "0" } ], "paginationOutput": [ { "pageNumber": [ "0" ], "entriesPerPage": [ "10" ], "totalPages": [ "0" ], "totalEntries": [ "0" ] } ] } ] } What's the "@count" thing? I noticed when I reference it in chrome, it throws an error: But in Firefox not. JSON Lint reports it's valid, as I'd expect... ;)

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• Django Forms: TimeField Validation

  - by Tom

  I feel like I'm missing something obvious here. I have a Django form with a TimeField on it. I want to be able to allow times like "10:30AM", but I cannot get it to accept that input format or to use the "%P" format (which has a note attached saying it's a "Proprietary extension", but doesn't say where it comes from). Here's the gist of my form code: calendar_widget = forms.widgets.DateInput(attrs={'class': 'date-pick'}, format='%m/%d/%Y') time_widget = forms.widgets.TimeInput(attrs={'class': 'time-pick'}) valid_time_formats = ['%P', '%H:%M%A', '%H:%M %A', '%H:%M%a', '%H:%M %a'] class EventForm(forms.ModelForm): start_date = forms.DateField(widget=calendar_widget) start_time = forms.TimeField(required=False, widget=time_widget, help_text='ex: 10:30AM', input_formats=valid_time_formats) end_date = forms.DateField(required=False, widget=calendar_widget) end_time = forms.TimeField(required=False, widget=time_widget, help_text='ex: 10:30AM', input_formats=valid_time_formats) description = forms.CharField(widget=forms.Textarea) Any time I submit "10:30AM", I get a validation error. The underlying model has two fields, event_start and event_end, no time fields, so I don't think the problem is in there. What stupid thing am I missing?

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• Any chances to imitate times() Ruby method in C#?

  - by Alexander Prokofyev

  Every time I need to do something N times inside an algorithm using C# I write this code for (int i = 0; i < N; i++) { ... } Studying Ruby I have learned about method times() which can be used with the same semantics like this N.times do ... end Code fragment in C# looks more complex and we should declare useless variable i. I tried to write extension method which returns IEnumerable, but I am not satisfied with the result because again I have to declare a cycle variable i. public static class IntExtender { public static IEnumerable Times(this int times) { for (int i = 0; i < times; i++) yield return true; } } ... foreach (var i in 5.Times()) { ... } Is it possible using some new C# 3.0 language features to make N times cycle more elegant?

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• How to start up your .NET program from web browser?

  - by Ole Jak

  Could you provide example of JavaScript function for starting up application installed on your computer from a web browser (eg google chrome 4). It particular if .Net APPs have any special simplifying this process apis of out there are some libs for such staff, please share link with us. so how to create and store in run on start up programs a small local server which would handel some local urls like http://localhost/maAppServer/MyAppCalculator/Start for starting apps that have written in its config file their names and local urls on install? So how to start up your C# .NET app\program from web browser?

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