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  • Any Open Source Pregel like framework for distributed processing of large Graphs?

    - by Akshay Bhat
    Google has described a novel framework for distributed processing on Massive Graphs. http://portal.acm.org/citation.cfm?id=1582716.1582723 I wanted to know if similar to Hadoop (Map-Reduce) are there any open source implementations of this framework? I am actually in process of writing a Pseudo distributed one using python and multiprocessing module and thus wanted to know if someone else has also tried implementing it. Since public information about this framework is extremely scarce. (A link above and a blog post at Google Research)

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  • Facebook connect JavaScript with PHP

    - by skidding
    I'm using the JavaScript method to sync/login (with the popup) with Facebook Connect on my site, it seems to work. However, after I get logged in, I want to continue in backend, with the PHP library. I see the cookies are set by the JavaScript lib, but I don't know how to use them with the PHP api. I used $fb = new Facebook($api_key, $secret); $uid = $fb->get_loggedin_user(); but not user data is getting passed. How can I get the user data in PHP after I logged in in frontend? As far as I'm concerned, I would have gone PHP all the way, but I didn't manage to make the auth work, meaning that in never redirected me back to my site :). Thanks!

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  • Hidden Features of Erlang

    - by pageman
    In the spirit of: Hidden Features of C# Hidden Features of Java Hidden Features of ASP.NET Hidden Features of Python Hidden Features of HTML and other Hidden Features questions What are the hidden features of Erlang that every Erlang developer should be aware of? One hidden feature per answer, please.

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  • users authentication and dht

    - by mtasic
    Lets say that I have only DHT (distributed hash table) implemented (in Python), and I want to build authentication service over P2P network, but without introducing centralized authentication server with such a service. Can it be done, and if so how can I achieve this? I'm familiar with how Skype and Wuala have done this, but I am looking for decentralized solution without single point of failure.

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  • 'NoneType' object has no attribute 'day'

    - by Asinox
    Hi guy, i dont know where is my error, but Django 1.2.1 is give this error: 'NoneType' object has no attribute 'day' when i try to save form from the Administrator Area models.py from django.db import models from django.contrib.auth.models import User class Editorial(models.Model): titulo = models.CharField(max_length=250,help_text='Titulo del editorial') editorial = models.TextField(help_text='Editorial') slug = models.SlugField(unique_for_date='pub_date') autor = models.ForeignKey(User) pub_date = models.DateTimeField(auto_now_add=True) activa = models.BooleanField(verbose_name="Activa") enable_comments = models.BooleanField(verbose_name="Aceptar Comentarios",default=False) editorial_html = models.TextField(editable=False,blank=True) def __unicode__(self): return unicode(self.titulo) def get_absolute_url(self): return "/editorial/%s/%s/" % (self.pub_date.strftime("%Y/%b/%d").lower(), self.slug) class Meta: ordering=['-pub_date'] verbose_name_plural ='Editoriales' def save(self,force_insert=False, force_update=False): from markdown import markdown if self.editorial: self.editorial_html = markdown(self.editorial) super(Editorial,self).save(force_insert,force_update) i dont know why this error, thanks guys sorry with my English

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  • Django Per-site caching using memcached

    - by Paul
    Hi, So I'm using per-site caching on a project and I've observed the following, which is kind of confusing. When I load a flat page in my browser then change it through admin and then do a refresh (within the cache timeout) there is no change in the page--as expected. However when I stat a new session in a different browser and load the page (still within the timeout) the app is hit instead of the cache, with the Isn't the cache key generated from the URL? it seems that the session state is getting in there somewhere, which is causing a cache miss. Any ideas? thanks MIDDLEWARE_CLASSES = ( 'django.middleware.cache.UpdateCacheMiddleware', 'django.middleware.common.CommonMiddleware', 'django.contrib.sessions.middleware.SessionMiddleware', 'django.contrib.auth.middleware.AuthenticationMiddleware', 'django.middleware.gzip.GZipMiddleware', 'django.middleware.http.ConditionalGetMiddleware', 'django.middleware.doc.XViewMiddleware', 'ittybitty.middleware.IttyBittyURLMiddleware', 'django.contrib.flatpages.middleware.FlatpageFallbackMiddleware', 'maintenancemode.middleware.MaintenanceModeMiddleware', 'djangodblog.middleware.DBLogMiddleware', 'SSL.middleware.SSLRedirect', #SSL middleware to handle SSL 'django.middleware.cache.FetchFromCacheMiddleware', )

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  • Using an ODBC application with a JDBC driver

    - by Nick Retallack
    My company uses Vertica. We have Python applications that connect to it with pyodbc. I do most of my development on a Mac (Snow Leopard) and unfortunately Vertica has not released ODBC drivers for Mac. They do have JDBC drivers though. I don't think developing in Jython is a good compromise. Is there any way to use JDBC drivers with an ODBC application? Some kind of ODBC connector?

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  • Flex: Result event multiple times

    - by Tom
    Hello everybody!! I am trying to learn Flex and now i have the next code: http://pastebin.com/rZwxF7w1 This code is for my login component. I want to get a special string for encrypting my password. This string is given by my authservice. But when i login i get a multiple times a alert with Done(line 69 in the pastebin code or line 4 in the code on the bottom of this question). But i want that it shows one single time. Does someone know what is wrong with this code? Tom protected function tryLogin():void { encryptStringResult.addEventListener('result', function(event:ResultEvent):void { var encryptString:String = event.result.toString(); Alert.show('Done'); }); encryptStringResult.token = auth.getEncryptString(); }

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  • Sending a file from my application (Indy/Delphi) to an ASP page and then onto another server (Amazon

    - by user89691
    I have a need to store files on Amazon AWS S3, but in order to isolate the user from the AWS authentication I want to go via an ASP page on my site, which the user will be logged into. So: The application sends the file using the Delphi Indy library TidHTTP.Put (FileStream) routine to the ASP page, along with some authentication stuff (mine, not AWS) on the querystring. The ASP page checks the auth details and then if OK stores the file on S3 using my Amazon account. Problem I have is: how do I access the data coming in from the Indy PUT using JScript in the ASP page and pass it on to S3. I'm OK with AWS signing, etc, it's just the nuts and bolts of connecting the two bits (the incoming request and the outgoing AWS request) ... TIA R

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  • Extending User object in Django: User model inheritance or use UserProfile?

    - by Chris
    To extend the User object with custom fields, the Django docs recommend using UserProfiles. However, according to this answer to a question about this from a year or so back: extending django.contrib.auth.models.User also works better now -- ever since the refactoring of Django's inheritance code in the models API. And articles such as this lay out how to extend the User model with custom fields, together with the advantages (retrieving properties directly from the user object, rather than through the .get_profile()). So I was wondering whether there is any consensus on this issue, or reasons to use one or the other. Or even what the Django team currently think?

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  • php object : get value of attribute by computed name

    - by groovehunter
    hi simple question - How do I access an attribute of an object by name, if i compute the name at runtime? Ie. i loop over keys and want to get each value of the attributes "field_".$key In python there is getattribute(myobject, attrname) It works, of course, with eval("$val=$myobject-".$myattr.";"); but IMO this is ugly!! TIA florian

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  • How do I integrate SMF into my custom Php member based website?

    - by Ali
    Hi guys, I built a simple social community website for a client - the client would like to add in a forum and he likes Simple Machines Forum. The website I built has its own users management system. The client would like SMF on his website and at the same time when a user is logged into the website they don't need to log into SMF website as well... how can this be done? Or should I just tell the client to consider two separet independant applications in this case i.e forum totally disjoint from the main site?

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  • open source alternatives to popular websites

    - by Richard
    Hello, The other day I came across Jaiku, which is a well structured microblogging system open sourced by Google. It surprised me I had never heard about this, so I was wondering what other open source alternatives exist for mainstream websites? I am not asking about forums, eCommerce, wiki's, CMS's, etc, where the market leaders are already well known open source applications (phpBB, osCommerce, Mediawiki, Drupal). But what about open source alternatives for: Social networking (Facebook)? Classified advertising (Craigslist)? Jobs (CareerBuilder)? Dating (eHarmony)? Or any other field that is defined by a commercial website, as Twitter does for microblogging.

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  • Visual Studio support for coding directly in *IL?

    - by jdk
    For the longest time I've been curious to code in Intermediate Language just as an academic endeavour and to gain a better understanding of what's "happening under the hood". Does anybody provide Visual Studio support for *IL in the form of: project templates, IntelliSense integration, and those kind of RAD features? Edits: I don't mean restricted to out of the box support. For example, I can download Visual Studio extensions to support Python, COBOL, etc. Want the same for *IL. There is a stand-alone Intermediate Assembler tool.

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  • Google maps and pdf

    - by Hellnar
    Hello, Programaticly, I need to include a google Maps map to automaticly generated pdf files. For this, I need to convert the map into some image format (jpg, png etc). How can it be done ? I am using Python and Django if build in google maps library is not sufficient. Thanks

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  • Is there any limit to recursion in lisp?

    - by Isaiah
    I enjoy using recursion whenever I can, it seems like a much more natural way to loop over something then actual loops. I was wondering if there is any limit to recursion in lisp? Like there is in python where it freaks out after like 1000 loops? Could you use it for say, a game loop? Testing it out now, simple counting recursive function. Now at 7000000! Thanks alot

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  • Good practices for a robust FTP script

    - by dutch
    What are the things a script should do to ensure that files have been FTPed correctly? Following are the things I have in mind: 1) use high level scripting language like python or perl instead of shell script for a more comprehensive functionality and error handling 2) check that the file exists at the destination after FTP 3) check destination file size. This is a little bit difficult because file size will change if the source and destination are running different OS. Any tips on how to go about this?

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  • Issue with mouse move event

    - by Vinjamuri
    I have a WPF control1 (has a moving control) that is hosted through elementhost on a windows form. My aim is to capture the mouse move events for the elementhost. I found out from the following link that MouseMove fires when Control moves under mouse while mouse stands still. http://social.msdn.microsoft.com/Forums/en/wpf/thread/56e7b331-ac6f-4d62-a83b-c09009b79fa0 I am getting fake mouse move events for elementhost. In order to fix this issue, I added a button on top of elementhost and set its Visible property to Hidden. Still I get fake mouse move events.. How to fix this issue? Is there any workaround? Appreciate your help...

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  • Looking for Light Time Management Software Suggestions (for Mac)

    - by tmo256
    I'm looking for a simple project management app that performs task scheduling, along the line of Merlin or MS Project, but no where near as robustly. I don't need to deal with other (human) resources, but I work on anything from 3 to 6 different projects at a time. What I'd like is to be able to input deadlines and tasks, and have a schedule suggested to complete them. I do technical work, but I don't think I need anything specifically for software development, especially considering I do plenty of other kinds of things, like graphic design and social media PR. I'd really like this to be dead simple, as simple as possible. Suggestions? OmniPlan, something web-based? Definitely cannot afford anything too extravagant, really looking for something under $200. Thanks for your input!

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  • Link error after update from VS2008 to VS2010

    - by Caihua
    Hi all, Today I met an link problem after updating the VS version from 2008 to 2010, the error is something like this: error LNK2019: unresolved external symbol "public: static void __cdecl std::_String_base::_Xran(void)" (?_Xran@_String_base@std@@SAXXZ) referenced in function "public: class std::basic_string,class std::allocator & __thiscall std::basic_string,class std::allocator ::assign(class std::basic_string,class std::allocator const &,unsigned int,unsigned int)" (?assign@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAEAAV12@ABV12@II@Z) error LNK2019: unresolved external symbol "public: static void __cdecl std::_String_base::_Xlen(void)" (?_Xlen@_String_base@std@@SAXXZ) referenced in function "protected: bool __thiscall std::basic_string,class std::allocator ::_Grow(unsigned int,bool)" (?_Grow@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@IAE_NI_N@Z) I have googled this issue on the web, and found a similar post in this address : http://social.msdn.microsoft.com/Forums/en/vcgeneral/thread/5ac28a31-3339-4db1-90f4-68edad360309 But none of these answers can solve my problem. Could anyone give me some tips on how to solve this issue? Thanks a lot for the help!

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  • Django ORM QuerySet intersection by a field

    - by Sri Raghavan
    These are the (pseudo) models I've got. Blog: name etc... Article: name blog creator etc User (as per django.contrib.auth) So my problem is this: I've got two users. I want to get all of the articles that the two users published on the same blog (no matter which blog). I can't simply filter the Article model by both users, because that would yield the set of Articles created by both users. Obviously not what I want. but can I filter somehow to get all of the articles where a field of the object matches between the two querysets?

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  • Developing Mobile App (Iphone,Blackberry,Android) for an existing website

    - by soodos
    Hey Guys I have a website and am planning to develop a mobile version of it for the iphone, blackberry and android. My website is a social network built on PHP Zend framework. Now all these mobile apps are going to be having the same functionality like the website. I am little ignorant about this - but from a high level I understand that all these mobile apps should not have to write any backend logic. For every functionality - they will simply make a web service API call to interact with the backend. So does that mean, for every functionality I need to create a web service method. Can the existing code be re used - I'm a little lost - Can someone shed some light on this matter or point me in the right direction (like some articles) Thanks

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