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• Changing gmail Settings with Ruby

  - by Technocrat

  I need to configure my gmail account(s) programmatically with Ruby. I checked out the apps api and it looks like the simplest possible solution would be to use ClientLogin for logging in and a simple XML PUT for changing the forwarding setting, for example. I wrote a little test script like so: http://gist.github.com/373457 It would appear that the call to ClientLogin works because it comes back with an Auth= token. When it sends the PUT request to google, however, it comes back with a RestClient::Unauthorized exception. I rewrote the script with pure net/https and it turns out the message I'm getting is invalid token, yet I can't figure out what is wrong with my token. Can anyone else see it?

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• What would prevent ASP.NET from Output Caching?

  - by amarsuperstar

  I have an ASP.NET application, and am trying to output cache a certain page, however on every request, the debugger is still hitting the OnLoad method and I get a 200 response back. I have placed the output cache directive on a page like so: <%@ OutputCache Duration="60" VaryByParam="None" %> And ensured I have the OutputCache module <add name="OutputCache" type="System.Web.Caching.OutputCacheModule"/> And have also bypassed URL rewriting just in case. I have tried this using Cassini and IIS 5.1 (XP), however the page is not caching at all. Are there any other factors which I have not looked at which could affect this feature? Thanks

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• IE sending through multiple unrequested requests for parent URL

  - by andyjeffries

  We have a rather large/complex web site (so it's not easy to extract portions of it). The problem we're having is that IE6/7/8 (but 6 is the worst) are sending through multiple requests for the parent of a URL (which fails, a different point). As an example, if you visited (dummy domain name obviously): http://www.example.com/view/event/123/456/78 We'd get 8-20 requests for: http://www.example.com/view/event/123/456/ appear in the Apache log. We've tried: Disabling all plugins (including toolbars, Flash, etc) Disabling scripting (e.g. Javascript) And it still sends through at least one erroneous request. We've viewed the requests through ieHttpHeaders so the browser is aware of them (i.e. it's not prefetching by the network's proxy). Any ideas? What can else could cause this?

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• How to replace href using javascript regex in Firefox?

  - by Andrei

  I try to change some links on a webpage using the following code for jQuery on Rails $(function () { $('#lesson a').live('click', function () { $.getScript(this.href.replace(/^(http...[^\/]+)?\/+(.*)$/,'/ajax/\\$2')); return false; }); }) This trick works for Chrome and Safari, but fails (nothing happens on click) for Firefox and Opera. What can be wrong with the code? EDIT1: The webpage contains: <div id="lesson"> <a href="/subj1">Subject 1</a> ... </div> On click, a browser (i.e. Firefox and Opera) should make an ajax-request of /ajax/subj1.

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• WCF methods sharing a dictionary

  - by YeomansLeo

  I'm creating a WCF Service Library and I have a question regarding thread-safety consuming a method inside this library, here is the full implementation that I have until now. namespace WCFConfiguration { [ServiceBehavior(InstanceContextMode = InstanceContextMode.PerCall, ConcurrencyMode = ConcurrencyMode.Single)] public class ConfigurationService : IConfigurationService { ConcurrentDictionary<Tuple<string,string>, string> configurationDictionary = new ConcurrentDictionary<Tuple<string,string>, string>(); public void Configuration(IEnumerable<Configuration> configurationSet) { Tuple<string, string> lookupStrings; foreach (var config in configurationSet) { lookupStrings = new Tuple<string, string>(config.BoxType, config.Size); configurationDictionary.TryAdd(lookupStrings, config.RowNumber); } } public void ScanReceived(string boxType, string size, string packerId = null) { } } } Imagine that I have a 10 values in my configurationDictionary and many people want to query this dictionary consuming ScanReceived method, are those 10 values be shared for each of the clients that request ScanReceived? Do I need to change my ServiceBehavior? The Configuration method is only consumed by one person by the way.

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• jquery ajax call: multiple links load data into one div

  - by user1146939

  I have a dynamically generated list of links. Each link will request a different page to load. Depending on the link clicked I want it to fill the div with an ajax .load call. The thing is I want all links to reset and fill the same div. I am having trouble doing this without making a seperate div for each link, which isn't what I'm looking for. This is what I have so far, but only works with one link. <a data-toggle="modal" href="#myModal">Link</a> <div class="modal hide fade" id="myModal"></div> <script type="text/javascript"> $(document).ready(function() { $('#myModal').load('mypage.php'); }); </script>

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• Getting normal information from OpenGL render output

  - by okamiueru

  I'll try to keep this simple. I want a way to access the normal information of the scene, from the Frame Buffer output (or similar). The same way one is able to access the Depth Buffer using glGetTexImage and GL_DEPTH_COMPONENT. I know I could set up a fragment shader which outputs the normal information in RGB color space, which could in turn be read from the rendered image. I'm wondering however if there is a way to do this within the openGL API. I'll clarify anything upon request as best as I can, Thank you

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• More threads and orientation changes questions.

  - by synic

  When it comes to threads and orientation changes, it seems the normal thing to do is something like this: public class Bwent extends Activity { private static Bwent instance; @Override public void onCreate(Bundle icicle) { super.onCreate(icicle); instance = this; } //... That way, if you're making a network request with a thread, and someone changes the orientation of the phone, the thread will know to use the new Activity. However, is it possible that the thread could finish during the time Android is destroying the old Activity and creating a new one? Is there a moment in the process where the thread still might be pointing to the wrong Activity, or a partially destroyed activity? It seems like there shouldn't be, but even using a Handler created in the main thread, I'm having intermittent issues with a thread trying to update an object that no longer exists. It's rare, but it does happen.

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• How do I check for Existence of a Record in GAE

  - by VDev

  I am trying to create a simple view in Django & GAE, which will check if the user has a profile entity and prints a different message for each case. I have the program below, but somehow GAE always seem to return a object. My program is below import datetime from django.http import HttpResponse, HttpResponseRedirect from google.appengine.api import users from google.appengine.ext import db from models import Profile import logging #from accounts.views import profile # Create your views here. def login_view(request): user = users.get_current_user() profile = db.GqlQuery("SELECT * FROM Profile WHERE account = :1", users.get_current_user()) logging.info(profile) logging.info(user) if profile: return HttpResponse("Congratulations Your profile is already created.") else: return HttpResponse("Sorry Your profile is NOT created.") My model object is Profile defined as follows: class Profile(db.Model): first_name = db.StringProperty() last_name = db.StringProperty() gender = db.StringProperty(choices=set(["Male", "Female"])) account = db.UserProperty(required = True) friends = db.ListProperty(item_type=users.User) last_login = db.DateTimeProperty(required=True) Thanks for the help.

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• What's the easiest way to implement background downloading in Wicket?

  - by David Moles

  I've got a simple Wicket form that lets users select some data and then download a ZIP file (generated on the fly) containing what they asked for. Currently the form button's onSubmit() method looks something like this: public void onSubmit() { IResourceStream stream = /* assemble the data they asked for ... */ ; ResourceStreamRequestTarget target = new ResourceStreamRequestTarget(stream); target.setFileName("download.zip"); RequestCycle.get().setRequestTarget(target); } This works, but of course the request stops there and it's impossible to display any other feedback to the user. What I'd like to have is something like the typical "Your requested download [NAME] should begin automatically. If not, click this link." Ideally, still displaying the same page, so the user can immediately select some different data and download that as well. I imagine it's possible to do this using Wicket's Ajax classes, but I've managed to avoid having to use them so far, and it's not immediately obvious to me how. What's my quickest way out, here?

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• Execute a method less times possible - PHP

  - by serhio

  I have a site in multiple languages. I have a method that returns me the today currencies in a array. I display that currencies in a table then. // --- en/index.php <?php include_once "../exchangeRates.php"; $currencies = ReadExchangeRates(); // --- fr/index.php <?php include_once "../exchangeRates.php"; $currencies = ReadExchangeRates(); ... // somewhere in the page <td><?php echo $currencies["eur"]["today"]; ?></td> So, every time I load, en/ or fr/ or other language, I request the exchange rates from a external site. Can I optimize this behavior (reading once per day or session)? maybe to store a global variable and check the update date?

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• How to explicitly terminate http connection from server with no response header

  - by Gagandip

  I am developing a server simulator for one of my client application. I am using GlassFish server. I have to simulate a http connection terminate condition in my server application. Is there a way by which I can explicitly terminate a connection from server side such that client does not receive any response header. Currently I have tried many options like closing the response outputStream. But in every case a http 200 OK message is delivered to the client application. I would like to consume the http-request and do not want to return anything to the client. I am using a simple conrtroller servlet and had overridden doGet() and doPost() functions.

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• Connection: Keep-Alive and PHP sessions not working

  - by user366667

  We have a VB application that needs to run an specific flow on a PHP page. This application was correctly catching the PHPSESSID cookie and using it for all subsequent requests. However, PHP wasn't able to restore any changes made on $_SESSION variable. The variable was changed, saved, and on the next request it was restored as an empty array. We found out that changing the Connection header from "Keep-Alive" to "Close" fixed the issue. I couldn't find anything on the web saying that PHP sessions shouldn't be restored under Keep-Alive connections. Does anyone know why this was happening? PS: We didn't find anything weird or different on Apache, ModSecurity or PHP configuration settings.

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• CSS Sprites : Mysterious Concept Explored ?

  - by Rachel

  I have 3 different images and now I want to create an sprite using css so that I am reducing HTTP Request. I am totally new to this concept and have not idea as to how to approach this. Can anyone suggest me what would be best bet for me ? Also I have seen there are some CSS Sprite generator engines where in you submit .zip folder containing your images and than they would combine it. I tried doing that but did not understood of what was happening and so any guidance regarding creating and using CSS sprites would be highly appreciated. Update: I have gone through the AList Part but it was not very clear to me. Can anyone explain the use case of CSS Sprites using an example ? Thanks.

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• JRuby on Rails deployment

  - by Vagmi Mudumbai

  I need to host a JRuby on Rails app on Mongrel. The problem is that I need to support mutual authentication. I know that I could just host it behind a Apache with mod_proxy use mod_ssl to pass the cred or part of the cred as a request header to rails. But I want the whole stack to be Java. Is there a Java application server that can do mod_proxy + ssl kind of configuration without me having to install Apache. Also, we need this to be platform independent. IIS or Apache+OpenSSL is actually not a preferred alternative. Any alternative deployment configurations are also welcome.

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• Hudson: where to download file and stop specific builds running ?

  - by Kim Jong Woo

  I have a file that is generated inside (hudson server) /var/lib/hudson/jobs/jobtitle/1/out.txt I need to fetch this file, but doing a GET request for http://myhudson:8090/job/jobtitle/1/out.txt doesn't actually locate the file. Basically, I have another box that will grab this file from the hudson server. This box will make the out.txt file available for download. Another challenge is the build number directories. How would I be able to use the hudson API to stop or delete the specific builds running ? I am forced to do iterate through all build numbers to send STOP or DELETE api call in php using wget to do the REST API call. This is not very efficient. for ($i=0; $i < 3000; $i++){ exec('wget -O /dev/null "http://myhudson:8090/job/' . 'jobtitle' . '/$i/stop"'); }

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• Update model objects across different activities

  - by Tom Esterez

  Lets say I have 2 activities: A: A ListView displaying articles titles. Data is fetched from a web server and converted from XML to a list of ArticleSummary. Only user titles and id are returned by the server. Click on a title starts activity B. B: A form to edit an article. Article is fetched from server. When the user hits OK, modifications are sent to the server and activity closed. When the user go back to activity A, I would like to update the article title without any additional web request. I was thinking about the following solution: When article is modified, send a broadcast event with article id and new attributes values. Listen for this event on activity A Update the ArticleSummary object notify data changed on ListView Is there a better approach ?

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• How to post on Facebook with Android using the latest SDK

  - by user645402

  All the samples I have seen so far seem to be using an earlier version of the SDK and the parameters and calls don't match. Using the latest SDK, I'm trying this: String access_token = facebook.getAccessToken(); Bundle bundle = new Bundle(); bundle.putString("access_token", access_token); bundle.putString("app_id", FACEBOOK_APP_ID); bundle.putString("message", "My First Post"); bundle.putString("description", "My First Description"); asyncrunner.request("me/feed", bundle, new RequestListener() { And i get back a call to onComplete() with response = "{"data":[]}. And nothing ever gets posted to my wall on FB. Perhaps I'm not waiting long enough? How long should I need to wait before it shows up?

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• Unable to send an associative array in JSON format in Zend to client

  - by Anorflame

  Hi, In one of my actions in a controller, I'm using the json view helper to send back a response to an ajax request. On the client side I alert the data that is passed to the success callback function. It works fine as long as the response is a number or an array with default keys. Once I try to send an associative array, it alerts with [object Object]. Server code: $childArray = array('key'=>'value'); $this->_helper->json($childArray); javascript: function displayChildren(data){ alert(data); } ... $.ajax({ url: "/po/add", dataType: "json", data: {format: "json"}, success: displayChildren }); I have no idea what am I doing wrong here, so any help would be appreciated...

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• CSRF verification failed, but only with Facebook App

  - by dkgirl

  I am creating a Facebook App using Django. When I access my webpage directly then it works fine. I have then added this webpage as the Facebook canvas URL, so that users are directed to this page when they go to the App. Now, when I enter the App, I get the "CSRF verification failed" error. I think it's because facebook is doing a POST, but without the CSRF token. However, I cannot control how Facebook redirects to my App. Anyone know how to deal with this? This is all my View does: def frontpage(request): return render_to_response('tube/frontpage.html', {"s": 'hello'}) and frontpage.html just writes "front page!"

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• Facebook, Flash and maintaining state

  - by Myk

  So here's the situation: I have a Flash application I'm deploying to facebook as a canvas app. There are various states within this app - different "pages", sort of. I want to be able to share this app with other users using Facebook's baked-in sharing mechanism. However, I want each state to have its own share button. That way when someone clicks Share on page 3 they are actually sharing page 3, not the root of the whole application. Does anyone know if Facebook exposes some mechanism by which this could be possible? It would be as simple as passing a string into the iFrame that holds the canvas app, so I could load it in as a FlashVar and work from there. I'm kind of beating my head against the wall - does this request make sense, and has anyone tackled anything like this before? Thanks!

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• RESTful API: How to handle translated textfields in representations?

  - by Jan P.

  I am designing a RESTful API for a booking application. There are accommodations that you can request a list or the details. As the application targets a multi-language audience, the descriptions are (sometimes) available in different languages. Now I'm not sure how to handle these translations in the representation of an accommodation. Without the multiple languages I would make "description" a field or the accommodation object, quite simple. Any idea how to solve this elegantly? My current idea: Add a list of descriptions with text<-culture pairs instead of the description field and an additional subressource /descriptions to the accommodation for the creating (POST), updating (PUT) and deleting (DELETE) of new translations.

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• git merge, git rebase none seems to work, should I delete my github fork and refork from the upstream master?

  - by Joan Yin

  I have to confess my github sins. 4 month ago, I forked a upstream repo, without knowing much of git and pull request, i did some work on master branch locally, later on I realized the mistake, created a new branch, and squashed the changes to one and successfully send a PR later from that branch. the PR is accepted, and I moved on. Now I need to submit another PR. But my master branch is so messed up, when I do merge, or rebase, there are so many mistakes. I probably committed a few more sins this morning. I have been battling this for the whole morning now. so it comes to the point that I want a clean start. Can I delete the github fork and refork from the upstream master? What are the correct steps?

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• Figuring out the resource a lock in SQL Server 2000 affects

  - by Michael Lang

  I am adding a simple web-interface to show data from a commercial off the shelf (COTS) application. This COTS issues locks on any record the user is actively looking at (whether they intend to edit and update it or not). I have found sp_lock and the Microsoft sp_lock2 scripts and can see the locks, so that's all well and good. However, I cannot figure out how I can tell if a specific record I am about to update has been affected by one of these locks. If I submit the update request and there is in fact a lock, the web-interface will wait indefinitely until the user closes the window in the COTS. How can I either: a) determine before issuing an update that the record has been locked OR b) issue an update that will immediately return with a LOCKED status rather than indefinitely waiting on the COTS user to close their window on that record?

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• Parsing adobe Kuler RSS feed

  - by dezkev

  I have been trying to parse the below XML file (kuler rss feed). I have read the various posts on this site but am unable to piece them together. I specifically want to extract the child(or siblings) nodes of the element <kuler:themeItem>. However I am getting an exception : Namespace Manager or XsltContext needed. This query has a prefix, variable, or user-defined function. Pl help : C# 3.0 net framework 3.5 RSS feed snippet: <?xml version="1.0" encoding="UTF-8" ?> - <rss xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:kuler="http://kuler.adobe.com/kuler/API/rss/" xmlns:rss="http://blogs.law.harvard.edu/tech/rss" version="2.0"> - <channel> <title>kuler recent themes</title> <link>http://kuler.adobe.com/</link> <description>most recent themes published on kuler (1 to 20 of 332518)</description> <language>en-us</language> <pubDate>Wed, 07 Apr 2010 08:41:31 PST</pubDate> <lastBuildDate>Wed, 07 Apr 2010 08:41:31 PST</lastBuildDate> <docs>http://blogs.law.harvard.edu/tech/rss</docs> <generator>Kuler Services</generator> <managingEditor>[email protected]</managingEditor> <webMaster>[email protected]</webMaster> <recordCount>332518</recordCount> <startIndex>0</startIndex> <itemsPerPage>20</itemsPerPage> - <item> <title>Theme Title: Muted Graph</title> <link>http://kuler.adobe.com/index.cfm#themeID/856075</link> <guid>http://kuler.adobe.com/index.cfm#themeID/856075</guid> - <enclosure xmlns="http://www.solitude.dk/syndication/enclosures/"> <title>Muted Graph</title> - <link length="1" type="image/png"> <url>http://kuler-api.adobe.com/kuler/themeImages/theme_856075.png</url> </link> </enclosure> <description><img src="http://kuler-api.adobe.com/kuler/themeImages/theme_856075.png" /><br /> Artist: tischt<br /> ThemeID: 856075<br /> Posted: 04/07/2010<br /> Hex: F1E9B2, 3D3606, 2A3231, 4A0A07, 424431</description> - <kuler:themeItem> <kuler:themeID>856075</kuler:themeID> <kuler:themeTitle>Muted Graph</kuler:themeTitle> <kuler:themeImage>http://kuler-api.adobe.com/kuler/themeImages/theme_856075.png</kuler:themeImage> - <kuler:themeAuthor> <kuler:authorID>216099</kuler:authorID> <kuler:authorLabel>tischt</kuler:authorLabel> </kuler:themeAuthor> <kuler:themeTags /> <kuler:themeRating>0</kuler:themeRating> <kuler:themeDownloadCount>0</kuler:themeDownloadCount> <kuler:themeCreatedAt>20100407</kuler:themeCreatedAt> <kuler:themeEditedAt>20100407</kuler:themeEditedAt> - <kuler:themeSwatches> - <kuler:swatch> <kuler:swatchHexColor>F1E9B2</kuler:swatchHexColor> <kuler:swatchColorMode>rgb</kuler:swatchColorMode> <kuler:swatchChannel1>0.945098</kuler:swatchChannel1> <kuler:swatchChannel2>0.913725</kuler:swatchChannel2> <kuler:swatchChannel3>0.698039</kuler:swatchChannel3> <kuler:swatchChannel4>0.0</kuler:swatchChannel4> <kuler:swatchIndex>0</kuler:swatchIndex> </kuler:swatch> My Code so far: static void Main(string[] args) { const string feedUrl = "http://kuler-api.adobe.com/rss/get.cfm?listtype=recent&key=xxxx"; var doc = new XmlDocument(); var request = WebRequest.Create(feedUrl) as HttpWebRequest; using (var response = request.GetResponse() as HttpWebResponse) { var reader = new StreamReader(response.GetResponseStream()); doc.Load(reader); } XmlNodeList rsslist = doc.SelectNodes("//rss/channel/item/kuler:themeItem"); for (int i = 0; i < rsslist.Count; i++) { XmlNode rssdetail = rsslist.Item(i).SelectSingleNode("kuler:themeTitle"); string title = rssdetail.InnerText; Console.WriteLine(title); } } }

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