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  • PDF parsing file trailer

    - by Ralph
    It is not clear from the PDF ISO standard document (PDF32000-2008) whether a comment may follow the startxref keyword: startxref Byte_offset_of_last_cross-reference_section %%EOF The standard does seem to imply that comments may appear anywhere: 7.2.3 Comments Any occurrence of the PERCENT SIGN (25h) outside a string or stream introduces a comment. The comment consists of all characters after the PERCENT SIGN and up to but not including the end of the line, including regular, delimiter, SPACE (20h), and HORZONTAL TAB characters (09h). A conforming reader shall ignore comments, and treat them as single white-space characters. That is, a comment separates the token preceding it from the one following it. EXAMPLE The PDF fragment in this example is syntactically equivalent to just the tokens abc and 123. abc% comment ( /%) blah blah blah 123 Comments (other than the %PDF–n.m and %%EOF comments described in 7.5, "File Structure") have no semantics. They are not necessarily preserved by applications that edit PDF files. If they are allowed to appear after the startxref, parsing the file becomes more difficult because you do not know how far to back up from the %%EOF comment to start parsing to find the byte offset. Any ideas?

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  • multiple-inheritance substitution

    - by Luigi
    I want to write a module (framework specific), that would wrap and extend Facebook PHP-sdk (https://github.com/facebook/php-sdk/). My problem is - how to organize classes, in a nice way. So getting into details - Facebook PHP-sdk consists of two classes: BaseFacebook - abstract class with all the stuff sdk does Facebook - extends BaseFacebook, and implements parent abstract persistance-related methods with default session usage Now I have some functionality to add: Facebook class substitution, integrated with framework session class shorthand methods, that run api calls, I use mostly (through BaseFacebook::api()), authorization methods, so i don't have to rewrite this logic every time, configuration, sucked up from framework classes, insted of passed as params caching, integrated with framework cache module I know something has gone very wrong, because I have too much inheritance that doesn't look very normal.Wrapping everything in one "complex extension" class also seems too much. I think I should have few working togheter classes - but i get into problems like: if cache class doesn't really extend and override BaseFacebook::api() method - shorthand and authentication classes won't be able to use the caching. Maybe some kind of a pattern would be right in here? How would you organize these classes and their dependencies? EDIT 04.07.2012 Bits of code, related to the topic: This is how the base class of Facebook PHP-sdk: abstract class BaseFacebook { // ... some methods public function api(/* polymorphic */) { // ... method, that makes api calls } public function getUser() { // ... tries to get user id from session } // ... other methods abstract protected function setPersistentData($key, $value); abstract protected function getPersistentData($key, $default = false); // ... few more abstract methods } Normaly Facebook class extends it, and impelements those abstract methods. I replaced it with my substitude - Facebook_Session class: class Facebook_Session extends BaseFacebook { protected function setPersistentData($key, $value) { // ... method body } protected function getPersistentData($key, $default = false) { // ... method body } // ... implementation of other abstract functions from BaseFacebook } Ok, then I extend this more with shorthand methods and configuration variables: class Facebook_Custom extends Facebook_Session { public funtion __construct() { // ... call parent's constructor with parameters from framework config } public function api_batch() { // ... a wrapper for parent's api() method return $this->api('/?batch=' . json_encode($calls), 'POST'); } public function redirect_to_auth_dialog() { // method body } // ... more methods like this, for common queries / authorization } I'm not sure, if this isn't too much for a single class ( authorization / shorthand methods / configuration). Then there comes another extending layer - cache: class Facebook_Cache extends Facebook_Custom { public function api() { $cache_file_identifier = $this->getUser(); if(/* cache_file_identifier is not null and found a valid file with cached query result */) { // return the result } else { try { // call Facebook_Custom::api, cache and return the result } catch(FacebookApiException $e) { // if Access Token is expired force refreshing it parent::redirect_to_auth_dialog(); } } } // .. some other stuff related to caching } Now this pretty much works. New instance of Facebook_Cache gives me all the functionality. Shorthand methods from Facebook_Custom use caching, because Facebook_Cache overwrited api() method. But here is what is bothering me: I think it's too much inheritance. It's all very tight coupled - like look how i had to specify 'Facebook_Custom::api' instead of 'parent:api', to avoid api() method loop on Facebook_Cache class extending. Overall mess and ugliness. So again, this works but I'm just asking about patterns / ways of doing this in a cleaner and smarter way.

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  • Easy way to observe user activity - how improve my database structure.

    - by Thomas
    Welcome, I need some advise to improve perfomence my web application. In the begin I had this structure of database: USER -id (Primary Key) -name -password -email .... PROFILE -user Primary Key, Foreign Key (USER) -birthday -region -photoFile ... PAGES -id (Primary Key) -user Foreign Key(USER) -page -date COMMENTS -id (Primary Key) -user Foreign Key(USER) -page Foreign Key(PAGE) -comment -date FAVOURITES_PAGES -id (Primary Key) -user Foreign Key(USER) -favourite_page Foreign Key(PAGE) -date but now one of the most important page of website is observatory, when everyone can observe activity others users. So I need select all pages, comments and favourites pages some users and display it in one list, sorted by date. For better perfomance (I think) I changed my structure to this: table USER and PROFILE without changes ACTIVITY (additional table- have common fields: user,date) -id (Primary Key) -user Foreign Key(USER) -date -page Foreign Key(PAGE) -comment Foreign Key(COMMENTS) -favourite_page Foreign Key(FAVOURITES_PAGES) PAGES -id (Primary Key) -page COMMENTS -id (Primary Key) -page Foreign Key(PAGE) -comment FAVOURITES_PAGES -id (Primary Key) -favourite_page Foreign Key(PAGE) So now it is very easy get sorted records from all tables. But I have no only foreign key to PAGES, COMMENTS and FAVOURITES_PAGES in ACTIVITY table - there is about ten Foreign Key fields and in one record only one have value, others have None: ACTIVITY id user date page comment ... 1 2 2010-02-23 None 1 2 1 2010-02-21 1 None .... It is corect solution. When I display about 40 records in one page (pagination) I must wait about one secound, but database is almost emty (a few users and about 100 records in others tables). It is depends on amount records per page - I have checked it, but why it takes too long time, becouse of relationships? The website is built in Python/Django. Any advices/opinion?

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  • I am preparing to integrate Disqus with BlogEngine.NET. Any suggestions?

    - by Brennan
    I have an existing site running BlogEngine.NET 1.5 and will be upgrading it to the new 1.6 release. I have been asked to integrate Disqus for comments. I have not found any other questions on Disqus and BlogEngine.NET. I have found some specific instructions here: http://www.hamishgraham.net/post/Enabling-Disqus-Comments-in-BlogEngineNET.aspx It explains how to add Disqus to a specific BE.NET theme. But I have existing blog posts and comments. How will these 2 systems work side-by-side? Is there a way to somehow make Disqus work well with the existing comments? Links: http://www.dotnetblogengine.net/ http://disqus.com/

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  • Retrieving specific fixtures in Rails

    - by Bilal Aslam
    I have a YML file containing fixtures for a Rails model (Comment) which looks like this (pardon the formatting): comment_a: id: 1 text: 'foo' visible: false comment_b: id: 2 text: 'bar' visible: true comment_c: id: 3 text: 'baz' visible: true I know that I can select an individual Comment fixture like so: comments(:comment_a) In one of my acceptance tests, I want to find all the Comments which have visible = true. How do I select a set of Comments that meet certain criteria so I can iterate over them afterwards?

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  • PHP Email Form Sending Random Text

    - by Doug
    Hi, I did a webpage for a client that involved a series of text boxes asking for specific information such as a person's name, e-mail address, company, etc. Along with a button that would e-mail the information to my client. Whenever I tested the button it seemed to work perfectly, I uploaded the page and thought I was done. But, the other day my client got this email from the site: Name: rfhopzdgmx rfhopzdgmx Email: [email protected] Company: zUDXatAfoDvQrdH Mailing Address: AaSsXklqpHIsoCNcei gXsimMPRBYZqq vGLvZraZNdpOAV, ChsmuibE PoKzaSCubXPRI Home Phone: CIJbIfjMfjIaTqAlD Work Phone: JFLZBOvru Cell Phone: XlFJTTFGiTTiiFQfy Fax: UEJMOVZodWPkKxew Comments: sPvSCE hgetwoguderu,* [url=http://atyktjlxcznl.com/]atyktjlxcznl[/url], [link=http://nudvfcehwpyg.com/]nudvfcehwpyg[/link], http://lvvwkbzbhnzp.com/ Note: The * line contained HTML link code, I just don't know how to get this site to show it. Here is the PHP code in the site for the e-mail button. <?php //This Sends A Formatted Text Email Using The Text Boxes if ($_POST['submit']){ //This Gets The Form Data $fname = $_POST['fName']; $lname = $_POST['lName']; $email = $_POST['email']; $company = $_POST['co']; $address1 = $_POST['address1']; $address2 = $_POST['address2']; $city = $_POST['city']; $state = $_POST['state']; $zip = $_POST['zip']; $homep = $_POST['homeP']; $workp = $_POST['workP']; $cellp = $_POST['cellP']; $fax = $_POST['fax']; $comments = $_POST['txaOutputField']; //echo "<script language = 'javascript'>alert('YAY');</script>"; if ($fname && $lname && $email && $comments){ //Check If Required Fields Are Filled //This Sets The SMTP Configuration In php.ini ini_set("SMTP", "smtp.2ndsourcewire.com"); //This Replaces Any Blank Fields With 'None's if ($company == ""){ $company = "None"; } if ($address1 == ""){ $address1 = "None"; } if ($city == ""){ $city = "None"; } if ($state == ""){ $state = "None"; } if ($zip == ""){ $zip = "None"; } if ($homep == ""){ $homep = "None"; } if ($workp == ""){ $workp = "None"; } if ($cellp == ""){ $cellp = "None"; } if ($fax == ""){ $fax = "None"; } //This Creates The Variables Necessary For The Email $to = "CLIENT EMAIL WHICH I'M CENSORING"; $subject = "Email from 2ndSourceWire.com"; $from = "From: [email protected]"; $secondEmail = "MY EMAIL WHICH I'M ALSO CENSORING"; if ($address2 == ""){ $body = "Name: $fname $lname\n". "Email: $email\n". "Company: $company\n\n". "Mailing Address:\n". "$address1\n". "$city, $state $zip\n\n". "Home Phone: $homep\n". "Work Phone: $workp\n". "Cell Phone: $cellp\n". "Fax: $fax\n\n". "Comments:\n". "$comments"; } else { $body = "Name: $fname $lname\n". "Email: $email\n". "Company: $company\n\n". "Mailing Address:\n". "$address1\n". "$address2\n". "$city, $state $zip\n\n". "Home Phone: $homep\n". "Work Phone: $workp\n". "Cell Phone: $cellp\n". "Fax: $fax\n\n". "Comments:\n". "$comments"; } //This Sends The Email mail($to, $subject, $body, $from); mail($secondEmail, $subject, $body, $from); echo "<script language = 'javascript'>alert('The email was sent successfully.');</script>"; } else { //The Required Fields Are Not Filled echo "<script language = 'javascript'>alert('Please fill your first name, last name, email address, and your comment or question.');</script>"; } } ? I'm a little dumbfounded on how this happened, the client mentioned a couple e-mails of this, so I don't think it is a random glitch. Also, the e-mail address was formatted like an e-mail address, so someone or some program was interpreting the labels next to each text box. I also noticed that the first and last names entered are the same word, even though they were in different text boxes, I'm thinking its some spam program, but wouldn't they try to advertise something and make money, rather than just spouting out random text? Also, the comments section makes no sense to me at all, the links goto nowhere and they're all perfectly formatted, a random person just screwing around wouldn't know those tags, and a programmer doing it wouldn't bother with it, but also neither would a program. I have no idea what caused this or how to fix it, I'm drawing a blank here. Anyone have any ideas?

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  • Which option do you like the most?

    - by spderosso
    I need to show a list of movies ordered by the date they were registered in the system and the amount of comments users have made about them. E.g: Title | Register Date | # of comments Gladiator | 02-01-2010 | 30 Matrix | 01-02-2010 | 20 It is a web application that follows MVC. So, I have the object "Movie", there is a MovieManager interface that is used for retrieving/persisting data to the database and a servlet RecentlyAddedMovies.java that forwards to a .jsp to render the list. I will explain my problem by showing an example of how I am doing another similar task: Showing top ranked movies. Regarding the MovieManager: /** * Returns a collection of the x best-ranked movies * @param x the amount of movies to return * @return A collection of movies * @throws SQLException */ public Collection<Movie> getTopX(int x) throws SQLException; The servlet: public class Top5 extends HttpServlet{ @Override protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { MovieManager movManager = JDBCMovieManager.getInstance(); try { req.setAttribute("movies", movManager.getTopX(5)); } catch (SQLException e) { // TODO Auto-generated catch block e.printStackTrace(); } req.getRequestDispatcher("listMovies.jsp").forward(req, resp); } } And the listMovies.jsp has is some place something like: <c:forEach var="movie" items="${movies}"> ... <c:out value="${movie.title}"/> ... </c:forEach> The difference between the top5 problem and the problem I am trying to solve is that with the top5 thing all the data I needed to show in the view where part of the "Movie" object, so the MovieManager simply returned a Collection of Movies. Now, the MovieManager must retrieve an ordered list of (Movie, # of comments). The Movie object has a collection of Comment associated but of course, it lacks an instance variable with the length of that collection. The following things came into my mind: a) Create a MovieView object or something like that, that is only used by the "View" and "Controller" layer of the MVC which is not part of the "Model" in the sense that is used only for easy retrieval and display of information. This MovieView object will have a title, registerDate and # of Comments so the thing would look something like this: /** * Returns a collection of the x most recently added movies * @param x the amount of movies to return * @return A collection of movies * @throws SQLException */ public Collection<Movie2> getXRecentlyAddedMovies(int x) throws SQLException; The .jsp: <c:forEach var="movie2" items="${movies2}"> ... <c:out value="${movie2.title}"/> <c:out value="${movie2.registerDate}"/> <c:out value="${movie2.noOfComments}"/> ... </c:forEach> b) Add to the Collection the movie has, empty Comments (there is no actual need to retrieve all the comment data from the database) so that the comment's collection.size() will show the number of comments that movie has. (This sounds horrible to me) c) Add to the "Movie" object an instance field noOfComments with the setter and getter that will help with this type of cases even if, looking only from the object point of view, it is a redundant field since it already has a Collection that is ".size()"able . d) Make the MovieManager retrieve some structure like a Map or a Collection of a two component array or something like that that will contain both a Movie object and the associated number of comments and with JSLT iterate over it and show it accordingly.

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  • CDNs and domains

    - by Martind
    Hi all! A lot of big websites (facebook etc) are settings up CDN's for their content. Now I notice, that these CDN's are not always on the original domain. Example: Facebook pictures are on "photos-a.ak.fbcdn.net" Why is that? Is there a performance-gain in not having lots of subdomains on the "primary" domain (facebook.com)

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  • file reading in python

    - by Jagdev
    So my whole problem is that I have two files one with following format(for Python 2.6): #comments config = { #comments 'name': 'hello', 'see?': 'world':'ABC',CLASS=3 } This file has number of sections like this. Second file has format: [23] [config] 'name'='abc' 'see?'= [23] Now the requirement is that I need to compare both files and generate file as: #comments config = { #comments 'name': 'abc', 'see?': 'world':'ABC',CLASS=3 } So the result file will contain the values from the first file, unless the value for same attribute is there in second file, which will overwrite the value. Now my problem is how to manipulate these files using Python. Thanks in advance and for your previous answers in short time ,I need to use python 2.6

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  • How to implement multi relationship in MS SQL?

    - by Ethan
    I’m trying to design a database to use with ASP.net MVC application. Here is the scenario: There are three entities and users can post their comments for each of these different entities. I just wonder how just put one table for Comments and link all other entities to it. Obviously, Comments table needs 3 references (foreign key) to those tables but as you know these foreign keys can’t be null and just one of them can be filled for each row. Is there any better way than implementing three different tables for each entity’s comments? Cheers Ethan

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  • How can I transform this haml into a table?

    - by mmr
    I have the following haml code: - @theLinks.each_index do |x| %br %form{:action=>'/Download', :method=>"post",:enctype=>"multipart/form-data"} %input{:type=>"submit", :name=>"#{@theLinks[x].url}", :value=>"Name: #{@theLinks[x].Name} Study Time: #{@theLinks[x].studyTime} Comments: #{@theLinks[x].comments}"} Basically, for each person, list the time they participated in a study and the comments on the study. Right now, this renders as a set of buttons. I'd like to render it as a table, with each row clickable in the same way (ie, using the 'post' method, so that only the haml file has to be edited without touching the rest of the files). Ideally, I'd also like to be able to sort the table by name, time, or comments, but that might be getting ahead of myself. So how can I change this list of buttons into a table with clickable rows?

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  • How to use SQLErrorCodeSQLExceptionTranslator and DAO class with @Repository in Spring?

    - by GuidoMB
    I'm using Spring 3.0.2 and I have a class called MovieDAO that uses JDBC to handle the db. I have set the @Repository annotations and I want to convert the SQLException to the Spring's DataAccessException I have the following example: @Repository public class JDBCCommentDAO implements CommentDAO { static JDBCCommentDAO instance; ConnectionManager connectionManager; private JDBCCommentDAO() { connectionManager = new ConnectionManager("org.postgresql.Driver", "postgres", "postgres"); } static public synchronized JDBCCommentDAO getInstance() { if (instance == null) instance = new JDBCCommentDAO(); return instance; } @Override public Collection<Comment> getComments(User user) throws DAOException { Collection<Comment> comments = new ArrayList<Comment>(); try { String query = "SELECT * FROM Comments WHERE Comments.userId = ?"; Connection conn = connectionManager.getConnection(); PreparedStatement stmt = conn.prepareStatement(query); stmt = conn.prepareStatement(query); stmt.setInt(1, user.getId()); ResultSet result = stmt.executeQuery(); while (result.next()) { Movie movie = JDBCMovieDAO.getInstance().getLightMovie(result.getInt("movie")); comments.add(new Comment(result.getString("text"), result.getInt("score"), user, result.getDate("date"), movie)); } connectionManager.closeConnection(conn); } catch (SQLException e) { e.printStackTrace(); //CONVERT TO DATAACCESSEXCEPTION } return comments; } } I Don't know how to get the Translator and I don't want to extends any Spring class, because that is why I'm using the @Repository annotation

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  • Insert Data from to a table

    - by Lee_McIntosh
    I have a table that lists number of comments from a particular site like the following: Date Site Comments Total --------------------------------------------------------------- 2010-04-01 00:00:00.000 1 5 5 2010-04-01 00:00:00.000 2 8 13 2010-04-01 00:00:00.000 4 2 7 2010-04-01 00:00:00.000 7 13 13 2010-04-01 00:00:00.000 9 1 2 I have another table that lists ALL sites for example from 1 to 10 Site ----- 1 2 ... 9 10 Using the following code i can find out which sites are missing entries for the previous month: SELECT s.site from tbl_Sites s EXCEPT SELECT c.site from tbl_Comments c WHERE c.[Date] = DATEADD(mm, DATEDIFF(mm, 0, GetDate()) -1,0) Producing: site ----- 3 5 6 8 10 I would like to be able to insert the missing sites that is listed from my query into the comments table with some default values, i.e '0's Date Site Comments Total --------------------------------------------------------------- 2010-04-01 00:00:00.000 3 0 0 2010-04-01 00:00:00.000 5 0 0 2010-04-01 00:00:00.000 6 0 0 2010-04-01 00:00:00.000 8 0 0 2010-04-01 00:00:00.000 10 0 0 the question is, how did i update/insert the table/values? cheers, Lee

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  • A better way to build this MySQL statement with subselects

    - by Corey Maass
    I have five tables in my database. Members, items, comments, votes and countries. I want to get 10 items. I want to get the count of comments and votes for each item. I also want the member that submitted each item, and the country they are from. After posting here and elsewhere, I started using subselects to get the counts, but this query is taking 10 seconds or more! SELECT `items_2`.*, (SELECT COUNT(*) FROM `comments` WHERE (comments.Script = items_2.Id) AND (comments.Active = 1)) AS `Comments`, (SELECT COUNT(votes.Member) FROM `votes` WHERE (votes.Script = items_2.Id) AND (votes.Active = 1)) AS `votes`, `countrys`.`Name` AS `Country` FROM `items` AS `items_2` INNER JOIN `members` ON items_2.Member=members.Id AND members.Active = 1 INNER JOIN `members` AS `members_2` ON items_2.Member=members.Id LEFT JOIN `countrys` ON countrys.Id = members.Country GROUP BY `items_2`.`Id` ORDER BY `Created` DESC LIMIT 10 My question is whether this is the right way to do this, if there's better way to write this statement OR if there's a whole different approach that will be better. Should I run the subselects separately and aggregate the information?

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  • How to Post to twitter wall from my website

    - by Gublooo
    Hi Guys, I'm building an application where users post their tips on various topics on my website. While posting their tips - I've recently implemented the option where they can post that tip to their facebook wall as well. They simply check the box - saying "Post to Facebook" and then the facebook pop-up opens up where they login and publish the tip to their facebook wall. Now I want to add the new functionality where they can post it to their twitter feed as well directly from my website. Are there any tutorials that show how to implement this. Thanks

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  • Cannot call method 'wsl_wordpress_social_login'

    - by David Allen
    Hi I'm using a wordpress plugin to allow user to comment using facebook and twitter accounts. This is the page i am testing the plugin on http://blog.pcpal.co.uk/2012/03/london-underground-wi-fi-connectivity-due-within-months/ When i click the facebook icon its opens up a windows where i sign into facebook ad then directs to a blank pages which has a JS error see code below <html><head> <script> function init() { window.opener.wsl_wordpress_social_login({ 'action' : 'wordpress_social_login', 'provider' : 'Facebook' }); window.close(); } </script> </head> <body onload="init();"> </body></html> # Error is Uncaught TypeError: Cannot call method 'wsl_wordpress_social_login' of null If you can help then great.. Additional info Only seems to do it with chrome

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  • Android manifest

    - by Venkatesh
    hi friends, I am having two package in my application 1.com.fsp.deals and 2.com.facebook.android.. i declared my package as package =com.fsp.deals in Manifest file.. if i want to use the activity in com.facebook.android how i should call activity in manifest file it showing error as i define as </activity> <activity android:name="com.facebook.android.Example" android:screenOrientation="portrait" android:label="@string/app_name" android:windowSoftInputMode="stateUnspecified|adjustPan"> </activity>

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  • Django: problem with merging querysets after annotation

    - by Björn Lilja
    Hi I have a manager for "Dialog" looking like this: class AnnotationManager(models.Manager): def get_query_set(self): return super(AnnotationManager, self).get_query_set().annotate( num_votes=Count('vote', distinct=True), num_comments=Count('comment', distinct=True), num_commentators = Count('comment__user', distinct=True), ) Votes and Comments has a ForeignKey to Dialog. Comments has a ForeignKey to User. When I do this: dialogs_queryset = Dialog.public.filter(organization=organization) dialogs_popularity = dialogs_queryset.exclude(num_comments=0) | dialogs_queryset.exclude(num_votes=0) ...dialogs_popularity will never returned the combination, but only the dialogs with more than 0 comments, or if I change the order of the OR, the dialogs with more than 0 votes! To me, the expected behavior would be to get the dialogs with more than 0 votes AND the dialogs with more than 0 comments. What am I missing? Or is there a bug in the annotation behavior here?

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  • jQuery accordion link issue

    - by Josh
    Slight problem, I've been working with a multi-accordion for a News panel. Everything is working fine, but there is an issue that has just recently come up. Underneath the headline I have information on when said headline+article was posted and when, and also if there are any comments. I intended to make the author and the number of comments as a link. The author link would most likely bring them to their contact page or maybe an email, the number of comments link would just expand it directly to the "View comments" which the user could also access by just expanding the article and then expanding the comments. A shortcut basically. Now, the issue is that I'm having to put this "Posted by..." information inside the a class which allows the user to expand the headline into the article. If I do this however, it breaks the entire accordion field for that headline because there are multiple A HREF links inside the original A link. I really don't know how to get around this, if anyone has a tip or a solution I would most appreciate it, thanks. You can view the demo here: http://www.notedls.com/demo

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  • Collpasible menu needs all header needs to be closed on initial loading

    - by Maju
    I have a sidebar with collapsible menu it works fine but all the values come expanded the initial loading time.I want it to be closed on load and toggled thereafter. Here is the jquery used // Sidebar Toggle var fluid = { Toggle : function(){ var default_hide = {"grid": true }; $.each( ["pagesnav", "commentsnav", "userssnav", "imagesnav"], function() { var el = $("#" + (this == 'accordon' ? 'accordion-block' : this) ); if (default_hide[this]) { el.hide(); $("[id='toggle-"+this+"']").addClass("hidden"); } $("[id='toggle-"+this+"']") .bind("click", function(e) { if ($(this).hasClass('hidden')){ $(this).removeClass('hidden').addClass('visible'); el.slideDown(); } else { $(this).removeClass('visible').addClass('hidden'); el.slideUp(); } e.preventDefault(); }); } ); } } jQuery(function ($) { if($("[id^='toggle']").length){fluid.Toggle();} }); here is the html <span class="ul-header"><a id="toggle-pagesnav" href="#" class="toggle visible">Content</a></span> <ul id="pagesnav"> <li><a class="icn_manage_pages" href="#">Manage Pages</a></li> <li><a class="icn_add_pages" href="#">Add Pages</a></li> <li><a class="icn_edit_pages" href="#">Edit Pages</a></li> <li><a class="icn_delete_pages" href="#">Delete Pages</a></li> </ul> <!-- End Content Nav --> <!-- Start Comments Nav --> <span class="ul-header"><a id="toggle-commentsnav" href="#" class="toggle visible">Comments</a></span> <ul id="commentsnav"> <li><a class="icn_manage_comments" href="#">Manage Comments</a></li> <li><a class="icn_add_comments" href="#">Add Comments</a></li> <li><a class="icn_edit_comments" href="#">Edit Comments</a></li> <li><a class="icn_delete_comments" href="#">Delete Comments</a></li> </ul> here is the css used .toggle { display:block; } .ul-header a.visible { background:url('../img/icons/small/toggle_close.png') no-repeat scroll 97% 50%; } .ul-header a.hidden { background:url('../img/icons/small/toggle_open.png') no-repeat scroll 97% 50%; } Please help.

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  • Return 0 where django quersyet is none

    - by gramware
    I have a django queryset in my views whose values I pack before passing to my template. There is a problem when the queryset returns none since associated values are not unpacked. the quersyet is called comments. Here is my views.py def forums(request ): post_list = list(forum.objects.filter(child='0')&forum.objects.filter(deleted='0').order_by('postDate')) user = UserProfile.objects.get(pk=request.session['_auth_user_id']) newpostform = PostForm(request.POST) deletepostform = PostDeleteForm(request.POST) DelPostFormSet = modelformset_factory(forum, exclude=('child','postSubject','postBody','postPoster','postDate','childParentId')) readform = ReadForumForm(request.POST) comments =list( forum.objects.filter(deleted='0').filter(child='1').order_by('childParentId').values('childParentId').annotate(y=Count('childParentId'))) if request.user.is_staff== True : staff = 1 else: staff = 0 staffis = 1 if newpostform.is_valid(): topic = request.POST['postSubject'] poster = request.POST['postPoster'] newpostform.save() return HttpResponseRedirect('/forums') else: newpostform = PostForm(initial = {'postPoster':user.id}) if request.GET: form = SearchForm(request.GET) if form.is_valid(): query = form.cleaned_data['query'] post_list = list((forum.objects.filter(child='0')&forum.objects.filter(deleted='0')&forum.objects.filter(Q(postSubject__icontains=query)|Q(postBody__icontains=query)|Q(postDate__icontains=query)))or(forum.objects.filter(deleted='0')&forum.objects.filter(Q(postSubject__icontains=query)|Q(postBody__icontains=query)|Q(postDate__icontains=query)).values('childParentId'))) if request.method == 'POST': delpostformset = DelPostFormSet(request.POST) if delpostformset.is_valid(): delpostformset.save() return HttpResponseRedirect('/forums') else: delpostformset = DelPostFormSet(queryset=forum.objects.filter(child='0', deleted='0')) """if readform.is_valid(): user=get_object_or_404(UserProfile.objects.all()) readform.save() else: readform = ReadForumForm()""" post= zip( post_list,comments, delpostformset.forms) paginator = Paginator(post, 10) # Show 10 contacts per page # Make sure page request is an int. If not, deliver first page. try: page = int(request.GET.get('page', '1')) except ValueError: page = 1 # If page request (9999) is out of range, deliver last page of results. try: post = paginator.page(page) except (EmptyPage, InvalidPage): post = paginator.page(paginator.num_pages) return render_to_response('forum.html', {'post':post, 'newpostform': newpostform,'delpost':delpostformset, 'username':user.username, 'comments':comments, 'user':user, },context_instance = RequestContext( request ))

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