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• Python and urllib2: how to make a GET request with parameters

  - by Infinity

  I'm building an "API API", it basically a wrapper for a in house REST web service that the web app will be making a lot of requests to. Some of the web service calls need to be GET rather than post, but passing parameters. Is there a "best practice" way to encode a dictionary into a query string? e.g.: ?foo=bar&bla=blah I'm looking at the urllib2 docs, and it looks like it decides by itself wether to use POST or GET based on if you pass params or not, but maybe someone knows how to make it transform the params dictionary into a GET request. Maybe there's a package for something like this out there? It would be great if it supported keep-alive, as the web server will be constantly requesting things from the REST service. Thanks!

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• jquery ajax success problem

  - by oshirowanen

  Why is it that the following script works clientside by removing the relievant html entity: $(".ui-delete").click(function() { $.ajax({ url: 'delete.aspx', type: 'POST', data: { strWidgetID:$(this).parents(".widget").attr("id") }, error: function() { alert('Error'); }, success: function() { alert('Success'); } }); $(this).parents(".widget:first").remove(); }); But the following query which is "more proper", does not work by removing the html entity? $(".ui-delete").click(function() { $.ajax({ url: 'delete.aspx', type: 'POST', data: { strWidgetID:$(this).parents(".widget").attr("id") }, error: function() { alert('Error'); }, success: function() { alert('Success'); $(this).parents(".widget:first").remove(); } }); }); The first script does both clientside and serverside correctly, the second script does serverside correctly, but on clientside, it just displays an alert "success", but does not remove the html entity "widget" Any ideas?

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• PHP code not working on IE

  - by Michael Frey

  I have a website with a flag. If it is clicked, the language of the website changes. Here is the code displaying the flag, which is a form with post event: <?php $pagename = $_SERVER['REQUEST_URI']; echo '<form action="'.$pagename.'" method="post"> <input name="formlanguage" type="image" '; if ($_SESSION['lang'] == 0) { echo 'alt="English" src="images/en.png" value="1" '; } else { echo 'alt="Deutsch" src="images/de.png" value="0" '; } echo '/></form>'; ?> Here is the response to that, and this part always fails on IE: if (isset($_POST['formlanguage'])) { $_SESSION['lang']=$_POST['formlanguage']; } I can not figure out why it works on Chrome but not IE. I assume that it might be a setting of IE. But what could that be?

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• Why my json_encode get corrupted

  - by Cullen SUN

  $model = new XUploadForm; $model->file = CUploadedFile::getInstance( $model, 'file' ); //We check that the file was successfully uploaded if( $model->file !== null ) { //Grab some data $model->mime_type = $model->file->getType( ); $model->size = $model->file->getSize( ); $model->name = $model->file->getName( ); $file_extention = $model->file->getExtensionName( ); //(optional) Generate a random name for our file $file_tem_name = md5(Yii::app( )->user->id.microtime( ).$model->name); $file_thumb_name = $file_tem_name.'_thumb.'.$file_extention; $file_image_name = $file_tem_name.".".$file_extention; if( $model->validate( ) ) { //Move our file to our temporary dir $model->file->saveAs( $path.$file_image_name ); if(chmod($path.$file_image_name, 0777 )){ // Yii::import("ext.EPhpThumb.EPhpThumb"); // $thumb_=new EPhpThumb(); // $thumb_->init(); // $thumb_->create($path.$file_image_name) // ->resize(110,80) // ->save($path.$file_thumb_name); } //here you can also generate the image versions you need //using something like PHPThumb //Now we need to save this path to the user's session if( Yii::app( )->user->hasState( 'images' ) ) { $userImages = Yii::app( )->user->getState( 'images' ); } else { $userImages = array(); } $userImages[] = array( "filename" => $file_image_name, 'size' => $model->size, 'mime' => $model->mime_type, "path" => $path.$file_image_name, // "thumb" => $path.$file_thumb_name, ); Yii::app( )->user->setState('images', $userImages); //Now we need to tell our widget that the upload was succesfull //We do so, using the json structure defined in // https://github.com/blueimp/jQuery-File-Upload/wiki/Setup echo json_encode( array( array( "type" => $model->mime_type, "size" => $model->size, "url" => $publicPath.$file_image_name, //"thumbnail_url" => $publicPath.$file_thumb_name, //"thumbnail_url" => $publicPath."thumbs/$filename", "delete_url" => $this->createUrl( "upload", array( "_method" => "delete", "file" => $file_image_name ) ), "delete_type" => "POST" ) ) ); Above code give me correct response, [{"type":"image/jpeg","size":2266,"url":"/uploads/tmp/0b00cbaee07c6410241428c74aae1dca.jpeg","delete_url":"/api/imageUpload/upload?_method=delete&file=0b00cbaee07c6410241428c74aae1dca.jpeg","delete_type":"POST"}] but if I uncomment the following // Yii::import("ext.EPhpThumb.EPhpThumb"); // $thumb_=new EPhpThumb(); // $thumb_->init(); // $thumb_->create($path.$file_image_name) // ->resize(110,80) // ->save($path.$file_thumb_name); it gave me corrupted response: Mac OS X 2??ATTR?dA??Y?Ycom.apple.quarantine0001;50655994;Google\x20Chrome.app;2599ECF9-69C5-4386-B3D9-9F5CC7E0EE1D|com.google.ChromeThis resource fork intentionally left blank ??[{"type":"image/jpeg","size":1941,"url":"/uploads/tmp/409c5921c6d20944e1a81f32b12fc380.jpeg","delete_url":"/api/imageUpload/upload?_method=delete&file=409c5921c6d20944e1a81f32b12fc380.jpeg","delete_type":"POST"}]

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• PHP 'instanceof' failing with class constant

  - by Nathan Loding

  I'm working on a framework that I'm trying to type as strongly as I possibly can. (I'm working within PHP and taking some of the ideas that I like from C# and trying to utilize them within this framework.) I'm creating a Collection class that is a collection of domain entities/objects. It's kinda modeled after the List<T> object in .Net. I've run into an obstacle that is preventing me from typing this class. If I have a UserCollection, it should only allow User objects into it. If I have a PostCollection, it should only allow Post objects. All Collections in this framework need to have certain basic functions, such as add, remove, iterate. I created an interface, but found that I couldn't do the following: interface ICollection { public function add($obj) } class PostCollection implements ICollection { public function add(Post $obj) {} } This broke it's compliance with the interface. But I can't have the interface strongly typed because then all Collections are of the same type. So I attempted the following: interface ICollection { public function add($obj) } abstract class Collection implements ICollection { const type = 'null'; } class PostCollection { const type = 'Post'; public function add($obj) { if(!($obj instanceof self::type)) { throw new UhOhException(); } } } When I attempt to run this code, I get syntax error, unexpected T_STRING, expecting T_VARIABLE or '$' on the instanceof statement. A little research into the issue and it looks like the root of the cause is that $obj instanceof self is valid to test against the class. It appears that PHP doesn't process the entire self::type constant statement in the expression. Adding parentheses around the self::type variable threw an error regarding an unexpected '('. An obvious workaround is to not make the type variable a constant. The expression $obj instanceof $this->type works just fine (if $type is declared as a variable, of course). I'm hoping that there's a way to avoid that, as I'd like to define the value as a constant to avoid any possible change in the variable later. Any thoughts on how I can achieve this, or have I take PHP to it's limit in this regard? Is there a way of "escaping" or encapsulating self::this so that PHP won't die when processing it?

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• Data table with legends in JfreeChart/Java

  - by TiNS

  Hi All, I am using JFreeChart to generate images. I am trying to create barchart like below. I am able to create it successfully without data table. I tried to get more information from the jfreechar forums and found this post. According to the post , its not supported by JfreeChart. Is it still not supported by jfreechart API ? If yes, can I use any other charting (open source) tool to generate chart with data table ? Thanks

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• Eclipse hangs when rebuilding after the addition of an external JAR file.

  - by celestialorb

  I'm fairly new to Eclipse so if this is something simple I apologize, however when I attempt to add an external JAR file to my build path (specifically the "rt.jar" file which contains certain tools that I require) and then rebuild my project, Eclipse will hang at the end of the Build process. It'll get to 100% then just hang there using 100% of one of my CPU cores. At first I thought it may have been due to the relatively large size of the rt.jar file, but I tried using smaller JAR files and it still hung at 100%. Any help would be greatly appreciated! If there is something wrong with using the rt.jar file does anyone know of another JAR file that contains both tools for dealing with SOAP requests as well as XML/DOM manipulation? Thanks again!

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• GWT on Python App Engine

  - by Koran

  Hi, I have a python app engine code (matured backend) - and we are now planning to have a front end for that code. I was wondering whether it is possible to implement GWT as the front end. Even though Alex Martelli in this post [1] mentions it is not possible, a comment to that post suggests that it is indeed possible using rpc over json for GWT. I was unable to understand how this is possible. In app.yaml file, we have to specify the language to be python, right? In that case, how can it compile GWT based on JAVA? Are there any examples on anyone doing that? Can someone help me out? It would be extremely helpful. [1]: http://stackoverflow.com/questions/1085898/choosing-java-vs-python-on-google-app-engine/1087878#1087878 link

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• Why is this variables declared as private and also readonly?

  - by Sergio Tapia

  In the following code: public class MovieRepository : IMovieRepository { private readonly IHtmlDownloader _downloader; public MovieRepository(IHtmlDownloader downloader) { _downloader = downloader; } public Movie FindMovieById(string id) { var idUri = ...build URI...; var html = _downloader.DownloadHtml(idUri); return ...parse ID HTML...; } public Movie FindMovieByTitle(string title) { var titleUri = ...build URI...; var html = _downloader.DownloadHtml(titleUri); return ...parse title HTML...; } } I asked for something to review my code, and someone suggested this approach. My question is why is the IHtmlDownloader variable readonly?

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• Can this be done using Facebook Connect?

  - by SLoret

  Here is the sequence of events I would like to see happen: Visitor shows up to my site and clicks the connect button Visitor authorizes the connection by logging into their facebook account My site records their authorization My site posts to their wall "Sally just joined http://foo.com. A website about foo." Much later, my site can post other updates to the users wall using the stored authorization from step 3. Sally doesn't have to be actively on my site at the time this post to their wall happens. Thanks in advance.

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• CFbuilder/RDS/working set:How to Add new working set

  - by vas

  Hi!. ISSUE:- I am using CFbuilder and my coldfusion server is on a Remote Desktop Services (RDS). Everything is working fine except that I do not see the folder that I am currently working on under CFbuilder /Navigator or CFbuilder /Prject/Build Working Set/. Even if I try to add "Prject/Build Working Set/Select working set/New" its not working. I want to add a "Working Set" so that it can show on my CFbuilder/Navigator on the right side. How do I do this with an RDS? Do I need the IP address Please help Thanks Vas

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• Get all Select Elements in a Form by referencing $(this) instead of $("form select")

  - by DaveDev

  Hi Guys I'm currently getting all the Select elements that exist in a form with the following: $("form").submit(function(event) { // gather data var data = GetSelectData($("form select")); // do submit $.post($(this).attr("action"), data, ..etc) }); Instead of passing in $("form select"), is there a way I can say something like $(this).children('select') // this doesn't work, btw to get all the select elements that exist within the context of the form the submit event is executing for? This will allow me to reduce my code to the following, moving all the functionality into a common function: $("form").submit(function(event) { GatherDataAndSubmit($(this)); }); function GatherDataAndSubmit(obj) { var data = GetSelectData(obj.children('select')); $.post(obj.attr("action"), data, ..etc) } Thanks Dave

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• How to optimize this Linq query

  - by Luke101

  I am trying to optimize this query. It is not slow for now but I am expecting a spike to hit this query in the near future. Is there anything else i can do to make this query faster? var posts = from p in context.post where p.post_isdeleted == false && p.post_parentid == null select new { p.post_date, p.post_id, p.post_titleslug, p.post_title, p.post_descriptionrender, p.userinfo.user_username, p.userinfo.user_userid, p.userinfo.user_GravatarHash, p.userinfo.user_points, p.category.catid, p.category.name, p.post_answercount, p.post_hasbestanswer, p.post_hits, p.post_isanonymous, p.post_votecount, FavoriteCount = context.favorites.Where(x => x.post.post_id == p.post_id).Count(), tags = from tg in context.posttag where tg.posttag_postid == p.post_id select new { tg.tag.tag_id, tg.tag.tag_title } };

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• Posting data using AJAX

  - by ognjenb

  public ActionResult Create() { return View(); } // // POST: /Partial/Create [HttpPost] public ActionResult Create(last_name ln) { try { // TODO: Add insert logic here proba.AddTolast_name(ln); proba.SaveChanges(); return View(); } catch { return View(); } } Part of index View: <div id="Div1"> <% using (Ajax.BeginForm("Create", new AjaxOptions { UpdateTargetId = "Div1" })) { %> <%= Html.Action("Create")%> <% } %> </div> In this solutions data from from View Create not post to database. In this solutions data posted to database <div id="Div1"> <%= Html.Action("Create")%> </div> View "Create" is strongly typed view. Why is this happening ie why the first solution does not work?

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• Performance - User defined query / filter to search data

  - by Cagatay Kalan

  What is the best way to design a system where users can create their own criterias to search data ? By "design" i mean, data storage, data access layer and search structure. We will actually refactor an existing application which is written in C# and ASP .NET and we don't want to change the infrastructure. Our main issue is performance and we use MSSQL and DevExpress to build queries. Some queries run in 4-5 minutes and all the columns included in the queries have indexes. When i check queries, i see that DevExpress builds too many "exists" clauses and i'm not happy with that because i have doubts that some of these queries skip some indexes. What may be the alternatives to DevExpress? NHibernate or Entity Framework? Can we build dynamic criteria system and store these to database in both of them ? And also do we need any alternative storage like a lucene index or OLAP database?

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• ajaxSubmit options success & error functions aren't fired

  - by Thommy Tomka

  jQuery 1.7.2 jQuery Validate 1.1.0 jQuery Form 3.18 Wordpress 3.4.2 I am trying to code a contact/ mail form in above environment/ with above jQuery libs. Now I am having a problem with the jQuery Form JS: I have taken the original code from the developers page for ajaxSubmit and only altered the target option to an ID which exists in my HTML source and replaced $ with jQuery in function showRequest. The problem is, that the function namend after success: does not fire. I tried the same with error: and again nothing fired. Only complete: did and the function I placed there alerted the responseText from the receiving script. Does anyone has an idea whats going wrong? Thanks in advance! Thomas jQuery(document).ready(function() { var options = { target: '#mail-status', // target element(s) to be updated with server response beforeSubmit: showRequest, // pre-submit callback success: showResponse, // post-submit callback // other available options: //url: url // override for form's 'action' attribute //type: type // 'get' or 'post', override for form's 'method' attribute //dataType: null // 'xml', 'script', or 'json' (expected server response type) //clearForm: true // clear all form fields after successful submit //resetForm: true // reset the form after successful submit // $.ajax options can be used here too, for example: //timeout: 3000 }; jQuery("#mailform").validate( { submitHandler: function(form) { jQuery(form).ajaxSubmit(options); }, errorPlacement: function(error, element) { }, rules: { author: { minlength: 2, required: true }, email: { required: true, email: true }, comment: { minlength: 2, required: true } }, highlight: function(element) { jQuery(element).addClass("e"); jQuery(element.form).find("label[for=" + element.id + "]").addClass("e"); }, unhighlight: function(element) { jQuery(element).removeClass("e"); jQuery(element.form).find("label[for=" + element.id + "]").removeClass("e"); } }); }); // pre-submit callback function showRequest(formData, jqForm, options) { // formData is an array; here we use $.param to convert it to a string to display it // but the form plugin does this for you automatically when it submits the data var queryString = jQuery.param(formData); // jqForm is a jQuery object encapsulating the form element. To access the // DOM element for the form do this: // var formElement = jqForm[0]; alert('About to submit: \n\n' + queryString); // here we could return false to prevent the form from being submitted; // returning anything other than false will allow the form submit to continue return true; } // post-submit callback function showResponse(responseText, statusText, xhr, $form) { // for normal html responses, the first argument to the success callback // is the XMLHttpRequest object's responseText property // if the ajaxSubmit method was passed an Options Object with the dataType // property set to 'xml' then the first argument to the success callback // is the XMLHttpRequest object's responseXML property // if the ajaxSubmit method was passed an Options Object with the dataType // property set to 'json' then the first argument to the success callback // is the json data object returned by the server alert('status: ' + statusText + '\n\nresponseText: \n' + responseText + '\n\nThe output div should have already been updated with the responseText.'); }

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• Publish to Facebook Stream via PHP using Graph API

  - by Liquid

  I'm trying to post a message to a user's wall using the new graph API and PHP. Connection seems to work fine, but no post appears. I'm not sure how to set up the posting code correctly. Please help me out. Sorry for the broken-looking code, for some reason StackOverflow didn't want to close it all in the code block. Below is my full code. Am I missing an extender permission requests, or is that taken care in this code: PHP Code <?php include_once 'facebook.php'; $facebook = new Facebook(array( 'appId' => 'xxxxxxxxxxxxxxxxxx', 'secret' => 'xxxxxxxxxxxxxxxxxxxxxxxxxx', 'cookie' => true )); $session = $facebook->getSession(); if (!$session) { $url = $facebook->getLoginUrl(array( 'canvas' => 1, 'fbconnect' => 0 )); echo "<script type='text/javascript'>top.location.href = '$url';</script>"; } else { try { $uid = $facebook->getUser(); $me = $facebook->api('/me'); $updated = date("l, F j, Y", strtotime($me['updated_time'])); echo "Hello " . $me['name'] . "<br />"; echo "You last updated your profile on " . $updated; $connectUrl = $facebook->getUrl( 'www', 'login.php', array_merge(array( 'api_key' => $facebook->getAppId(), 'cancel_url' => 'http://www.test.com', 'req_perms' => 'publish_stream', 'display' => 'page', 'fbconnect' => 1, 'next' => 'http://www.test.com', 'return_session' => 1, 'session_version' => 3, 'v' => '1.0', ), $params) ); $result = $facebook->api( '/me/feed/', 'post', array('access_token' => $facebook->access_token, 'message' => 'Playing around with FB Graph..') ); } catch (FacebookApiException $e) { echo "Error:" . print_r($e, true); } } ?>

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• How do I know whether c89 or c99 is applied by cl.exe?

  - by httpinterpret

  I just came across this term in this post, how do I check which rule is actually used by my compiler?

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• For REST, how do I receive posted data using PHP?

  - by netrox

  I want to set up a tiny RESTful interface for my web services using PHP. The problem is that I looked at frameworks and I cannot figure out how do I recieve the posted data without field names? For example, if a server posts data to my server, I cannot figure out how do I get it without needing the postfield (POST variables). Traditionally, with forms, people send post data with field names such as this: curl_setopt($ch, CURLOPT_POSTFIELDS, postfield=postvalue); and I would use PHP code like this: $postvalue=$_POST[postfield]; to get value of postfield but since the server posting data is not using postfield and is just sending XML, how do I get it without fields? How do I capture the XML? That's where I am lost.

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• Acts as Tree with Multiple Models

  - by Joe

  I've got several models that I'd like to relate together hierarchically. For simplicity's sake, let's say I've got these three: class Group < ActiveRecord::Base acts_as_tree has_many :users end class User < ActiveRecord::Base acts_as_tree belongs_to :group has_many :posts end class Post < ActiveRecord::Base acts_as_tree belongs_to :user end Under the current acts_as_tree, each node can individually can relate hierarchically to other nodes provided they are of the same type. What I'd like is to remove this restriction on type identity, so that SomePost.parent could have a User or a Post as its' parent, and that SomeUser.parent could have another user or a group as its parent. Any thoughts?

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• Clean Method for a ModelForm in a ModelFormSet made by modelformset_factory

  - by Salyangoz

  I was wondering if my approach is right or not. Assuming the Restaurant model has only a name. forms.py class BaseRestaurantOpinionForm(forms.ModelForm): opinion = forms.ChoiceField(choices=(('yes', 'yes'), ('no', 'no'), ('meh', 'meh')), required=False, )) class Meta: model = Restaurant fields = ['opinion'] views.py class RestaurantVoteListView(ListView): queryset = Restaurant.objects.all() template_name = "restaurants/list.html" def dispatch(self, request, *args, **kwargs): if request.POST: queryset = self.request.POST.dict() #clean here return HttpResponse(json.dumps(queryset), content_type="application/json") def get_context_data(self, **kwargs): context = super(EligibleRestaurantsListView, self).get_context_data(**kwargs) RestaurantFormSet = modelformset_factory( Restaurant,form=BaseRestaurantOpinionForm ) extra_context = { 'eligible_restaurants' : self.get_eligible_restaurants(), 'forms' : RestaurantFormSet(), } context.update(extra_context) return context Basically I'll be getting 3 voting buttons for each restaurant and then I want to read the votes. I was wondering from where/which clean function do I need to call to get something like: { ('3' : 'yes'), ('2' : 'no') } #{ 'restaurant_id' : 'vote' } This is my second/third question so tell me if I'm being unclear. Thanks.

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• Posting to self-hosted WordPress from Tweetie (or other Twitter Clients)

  - by Mike Wills

  Is there a plugin yet that allows me to post to my self-hosted WordPress install from Tweetie or another Twitter client?

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• Building XCode From Command Line Issues (Updating Entitlements file location)

  - by michaellindahl

  The first error is a warning for complier 'com.apple.compilers.gcc.4_0' I don't know if this is okay and I can just not worry about it. The second tells me that my entitlements file is no longer at that location. I know this and I thought I had correctly updated it in Xcode's info window. This project builds fine in Xcode. Michael-Lindahls-Mac:~ michaellindahl$ xcodebuild -project /Users/michaellindahl/Dropbox/Xcode/App/app.xcodeproj -alltargets 2011-01-03 11:41:51.591 xcodebuild[15162:60f] warning: compiler 'com.apple.compilers.gcc.4_0' is based on missing compiler 'com.apple.compilers.gcc.4_0' === BUILD NATIVE TARGET app OF PROJECT app WITH THE DEFAULT CONFIGURATION (Release) === Check dependencies [BEROR]CodeSign error: The entitlements file '/Users/michaellindahl/Dropbox/Xcode/deletedAppFile/Entitlements.plist' is missing ** BUILD FAILED **

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• How many address fields would you use for a UK database?

  - by Draemon

  Address records are probably used in most database, but I've seen a number of slightly different sets of fields used to store them. The number of fields seems to vary from 3-7, and sometimes all fields are simple labelled address1..addressN, other times given specific meaning (town, city, etc). This is UK specific, though I'm open to comments about the rest of the world too. Here you need the first line of the address (actually just the number) and the post code to identify the address - everything else is mostly an added bonus. I'm currently favouring: Address 1 Address 2 Address 3 Town County Post Code We could add Country if we ever needed it (unlikely). What do you think? Is this too little, too much?

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• Publish web application from MSBuild Script using VS2010 targets resets working directory

  - by Raoul

  I am trying to automatically publish and deploy my .Net 4 web application automatically from a build script to be run by our continuous integration server. I am using the new _WPPCopyWebApplication target from VS2010 to perform the publish, however it appears to reset the current working directory of the msbuild project to c:\ this causes my prebuild steps to fail as they have relative paths to some external tools. The task I am running from our master.build file is as follows: <Target Name="PublishWeb"> <MSBuild Projects="$(ProjectPath)" Targets="ResolveReferences;_WPPCopyWebApplication" Properties="WebProjectOutputDir=$(DeployPath);OutDir=$(TempOutputFolder)$(WebOutputFolder)\;OutputPath=$(ProjectPath)\bin\Debug;" /> </Target> This does not happen when using the legacy _CopyWebApplication. Does anyone have any idea how to resolve this problem?

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