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  • postgresql: Fast way to update the latest inserted row

    - by Anonymous
    What is the best way to modify the latest added row without using a temporary table. E.g. the table structure is id | text | date My current approach would be an insert with the postgresql specific command "returning id" so that I can update the table afterwards with update myTable set date='2013-11-11' where id = lastRow However I have the feeling that postgresql is not simply using the last row but is iterating through millions of entries until "id = lastRow" is found. How can i directly access the last added row?

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  • How can I protect this code from SQL Injection? A bit confused.

    - by Craig Whitley
    I've read various sources but I'm unsure how to implement them into my code. I was wondering if somebody could give me a quick hand with it? Once I've been shown how to do it once in my code I'll be able to pick it up I think! This is from an AJAX autocomplete I found on the net, although I saw something to do with it being vulnerable to SQL Injection due to the '%$queryString%' or something? Any help really appreciated! if ( isset( $_POST['queryString'] ) ) { $queryString = $_POST['queryString']; if ( strlen( $queryString ) > 0 ) { $query = "SELECT game_title, game_id FROM games WHERE game_title LIKE '%$queryString%' || alt LIKE '%$queryString%' LIMIT 10"; $result = mysql_query( $query, $db ) or die( "There is an error in database please contact [email protected]" ); while ( $row = mysql_fetch_array( $result ) ) { $game_id = $row['game_id']; echo '<li onClick="fill(\'' . $row['game_title'] . '\',' . $game_id . ');">' . $row['game_title'] . '</li>'; } } }

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  • MS Access 2003 - Option Group frame: can I add text boxes that are part of the frame instead of rad

    - by Justin
    Ok so this maybe a simple/silly question but I don't know so here goes: In access let's say I want to have a frame control, so I click the option group button and add it to the desgin surface. However, I am not wanting to use this as a option group with radio button selection, instead I would like to add text boxes instead the frame, so that when I reference the frame, it references every control instead of it, hence the text boxes, cbo boxes, etc.....just as it would if they were radio option selections. So can you do this? I want whatever controls I add inside the frame to be easily referenced (i.e. make all controls visible just by using frameExample.visible = true) so that I can build my own tab control groupings..... can this be done? Thanks! EDIT: What I am trying to accomplish is having a form that includes a collection of controls (input controls - cbo boxes, text boxes, etc), that serve as the Main record information. These are saved to a table via an INSERT statement on button_click because this form is unbound. Next I have 8 categories that are relative per each main record (and data that goes along with it). Each of these categories could have a sub form area and a button click that bring it's relative form into the sub form area. These sub forms would be unbound as well as I would just save data via SQL statement. So i know I could accomplish this by running the insert statement from the parent form, on the main collection control's data that would create the KeyID number, then run a SQL statement that would turn around and load that KeyID number right back onto the page in a hidden text box. Then when I click one of the sub forms and load its relative collection of controls, I could then save that data along with KeyID for each of these sub-forms/tables. SO...... I was wondering if instead you could define these controls as a collection so that you could hide and make visible all the ones you need on button clicks and avoid the need for additional forms (subs). I know that if a user enters data into a text box, and then somewhere along the way that box becomes hidden, the data still exists in it and still ends up in the SQL statement.... So I want all these controls to exist on the same form, but I thought what is I could encapsulate them into a frame like an option group, then I could call the frame and all the relative controls would be called up (made visible) as needed. Sorry for the long explanation but I thought it would help.

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  • How to include frameset under CGI.pm

    - by neversaint
    I want to have a cgi-script that does two things. Take the input from a form. Generate results base on the input values on a frame. Primarily I want the frame exist only after the results is generated/printed. Below is the simplified code of what I want to do. But somehow it doesn't work. What's the right way to do it? #!/usr/local/bin/perl use CGI ':standard'; print header; print start_html('A Simple Example'), h1('A Simple Example'), start_form, "What's your name? ",textfield('name'), p, "What's the combination?", p, checkbox_group(-name=>'words', -values=>['eenie','meenie','minie','moe'], -defaults=>['eenie','minie']), p, "What's your favorite color? ", popup_menu(-name=>'color', -values=>['red','green','blue','chartreuse']), p, submit, end_form, hr; if (param()) { # begin create the frame print <<EOF; <html><head><title>$TITLE</title></head> <frameset rows="10,90"> <frame src="$script_name/query" name="query"> <frame src="$script_name/response" name="response"> </frameset> EOF # Finish creating frame print "Your name is: ",em(param('name')), p, "The keywords are: ",em(join(", ",param('words'))), p, "Your favorite color is: ",em(param('color')), hr; } print end_html;

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  • WordPress: Display Online Users' Avatars

    - by Wade D Ouellet
    Hi, I'm using version 2.7.0 of this WordPress plugin to display which users are currently online (the latest version doesn't work): http://wordpress.org/extend/plugins/wp-useronline/ It's working great but I would love to be able to alter it quickly to display the users' avatars instead of their names. Hoping someone with pretty good knowledge of WordPress queries and functions can help. The part below seems to be the part that handles all this. If this isn't enough, here is the link to download the version I am using with the full php files: http://downloads.wordpress.org/plugin/wp-useronline.2.70.zip // If No Bot Is Found, Then We Check Members And Guests if ( !$bot_found ) { if ( $current_user->ID ) { // Check For Member $user_id = $current_user->ID; $user_name = $current_user->display_name; $user_type = 'member'; $where = $wpdb->prepare("WHERE user_id = %d", $user_id); } elseif ( !empty($_COOKIE['comment_author_'.COOKIEHASH]) ) { // Check For Comment Author (Guest) $user_id = 0; $user_name = trim(strip_tags($_COOKIE['comment_author_'.COOKIEHASH])); $user_type = 'guest'; } else { // Check For Guest $user_id = 0; $user_name = __('Guest', 'wp-useronline'); $user_type = 'guest'; } } // Check For Page Title if ( is_admin() && function_exists('get_admin_page_title') ) { $page_title = ' &raquo; ' . __('Admin', 'wp-useronline') . ' &raquo; ' . get_admin_page_title(); } else { $page_title = wp_title('&raquo;', false); if ( empty($page_title) ) $page_title = ' &raquo; ' . strip_tags($_SERVER['REQUEST_URI']); elseif ( is_singular() ) $page_title = ' &raquo; ' . __('Archive', 'wp-useronline') . ' ' . $page_title; } $page_title = get_bloginfo('name') . $page_title; // Delete Users $delete_users = $wpdb->query($wpdb->prepare(" DELETE FROM $wpdb->useronline $where OR timestamp < CURRENT_TIMESTAMP - %d ", self::$options->timeout)); // Insert Users $data = compact('user_type', 'user_id', 'user_name', 'user_ip', 'user_agent', 'page_title', 'page_url', 'referral'); $data = stripslashes_deep($data); $insert_user = $wpdb->insert($wpdb->useronline, $data); // Count Users Online self::$useronline = intval($wpdb->get_var("SELECT COUNT(*) FROM $wpdb->useronline"));

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  • How to enforce this constraint in sql server

    - by Jeremy
    I have a table called city, and a table called city_city. city_city correlates two city records, so it has a fromcity_id and a tocity_id. I can enforce uniqueness on fromcity_id and and tocity_id through a unique key, but how do I enforce uniqueness so that I cant insert a record if fromcity_id and tocity_id are reversed. For example, the following records are conceptually the same: id fromcity_id tocity_id 1 100 200 2 200 100

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  • How to save a stream on google drive?

    - by atu0830
    My application running on google app engine, so can not use File. I want to save a pdf file on other site to google drive, but get a IllegalArgumentException file.setMimeType("application/pdf"); mediaContent = new InputStreamContent(file.getMimeType(), url.openStream()); try { File result = getDrive().files().insert(file, mediaContent) .execute(); return result.getId(); } catch (Exception e) { e.printStackTrace(); } Thanks

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  • Conditional "Get Script File" in Javascript without using a library function

    - by Adam
    I work at a company that has many clients that have their own website that "plugs in" to our system. In other words they have their own website and they have a link that, when the user clicks it, transitions them over to our site. There is a feature that I want to track by giving the client a small block of code to put on their homepage. Whenever the homepage is loaded with a certain query string variable I want the block of code to request a file on my server. Then on the server I'll record the tracking info based on the query string. All this would be really easy if I can guarantee that the client would be using jQuery or some similar library, but there are a lot of clients and I can't really rely on them all using jQuery. At the same time I'd like to limit the size of the block of javascript code that they paste in. I think the best solution would be to have something like: if(querystring.substring("Tracking=") > 0) { include("blah.aspx?TrackingQS=" + querystring); } but I can't find a include function in built-in javascript without calling some library like jQuery. Any thoughts?? I could do straight up AJAX but I want to limit the number of lines of code for several reasons that I won't bore you with here.

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  • PHP Error handling in WordPress plugin

    - by AaronM
    I am a newbie to both PHP and Wordpress (but do ok in C#), and am struggling to understand the error handling in a custom plugin I am attempting to write. The basics of the plugin is to query an exsiting MSSQL database (note its not the standard MYSQL db...) and return the rows back to the screen. This was working well, but the hosting provider has taken my database offline, which led me to the error handling problem (which I thought was ok). The following code is failing to connect to the database (as expected), but puts an error onto the screen and stops the page processing. It does not even output the 'or die' error text. QUESTION: How can I just output a simple "Cant load data" message, and continue on normally? function generateData() { global $post; if ("$post->post_title" == "Home") { try { $myServer = "<servername>"; $myUser = "<username>"; $myPass = "<password>"; $myDB = "<dbName>"; //connection to the database $dbhandle = mssql_connect($myServer, $myUser, $myPass) or die("Couldn't open database $myDB"); //... query processing here... } catch (Exception $e) { echo "Cannot load data<br />"; } } return $content; } Error being generated: (line 31 is $dbhandle = mssql_connect...) Warning: mssql_connect() [function.mssql-connect]: Unable to connect to server: <servername> in <file path> on line 31 Fatal error: Maximum execution time of 30 seconds exceeded in <file path> on line 31

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  • using LocalAsyncVclCall in Delphi

    - by Salvador
    Actually i am using the AsyncCalls library to execute an Query asynchronously in this way. while AsyncMultiSync([RunQuery], True, 10) = WAIT_TIMEOUT do begin FrmProgress.refresh; //Update the ellapsed time in a popup form Application.ProcessMessages; end; and everything works ok. Now i want to do the same for load the query in a grid. so i tried this while LocalAsyncVclCall(@InitGrid, 10) = WAIT_TIMEOUT do begin FrmProgress.refresh; Application.ProcessMessages; end; but obviously not compile because the type returned by LocalAsyncVclCall is IAsyncCall and not a Cardinal. also i tried this, but not works. while not LocalAsyncVclCall(@InitGrid, 10).Finished do begin FrmProgress.refresh; Application.ProcessMessages; end; How i can use LocalAsyncVclCall or another function to execute an VCL code asynchronously . i want something like this. while ExecuteMyVCLProcedure(@InitGrid) = WAIT_TIMEOUT do begin FrmProgress.refresh; Application.ProcessMessages; end; Thanks in advance.

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  • FluentNhibernate many-to-many mapping - resolving record is not inserted

    - by Dmitriy Nagirnyak
    Hi, I have a many-to-many mapping defined (only relevant fields included): // MODEL: public class User : IPersistentObject { public User() { Permissions = new HashedSet<Permission>(); } public virtual int Id { get; protected set; } public virtual ISet<Permission> Permissions { get; set; } } public class Permission : IPersistentObject { public Permission() { } public virtual int Id { get; set; } } // MAPPING: public class UserMap : ClassMap<User> { public UserMap() { Id(x => x.Id); HasManyToMany(x => x.Permissions).Cascade.All().AsSet(); } } public class PermissionMap : ClassMap<Permission> { public PermissionMap() { Id(x => x.Id).GeneratedBy.Assigned(); Map(x => x.Description); } } The following test fails as there is no record inserted into User_Permission table: [Test] public void AddingANewUserPrivilegeShouldSaveIt() { var p1 = new Permission { Id = 123, Description = "p1" }; Session.Save(p1); var u = new User { Email = "[email protected]" }; u.Permissions.Add(p1); Session.Save(u); var userId = u.Id; Session.Evict(u); Session.Get<User>(userId).Permissions.Should().Not.Be.Empty(); } The SQL executed is (SQLite): INSERT INTO "Permission" (Description, Id) VALUES (@p0, @p1);@p0 = 'p1', @p1 = 1 INSERT INTO "User" (Email) VALUES (@p0); select last_insert_rowid();@p0 = '[email protected]' SELECT user0_.Id as Id2_0_, user0_.Email as Email2_0_ FROM "User" user0_ WHERE user0_.Id=@p0;@p0 = 1 SELECT permission0_.UserId as UserId1_, permission0_.PermissionId as Permissi2_1_, permission1_.Id as Id4_0_, permission1_.Description as Descript2_4_0_ FROM User_Permissions permission0_ left outer join "Permission" permission1_ on permission0_.PermissionId=permission1_.Id WHERE permission0_.UserId=@p0;@p0 = 1 We can clearly see that there is no record inserted into the User_Permissions table where it should be. Not sure what I am doing wrong and need an advice. So can you please help me to pass this test. Thanks, Dmitriy.

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  • NHibernate IQueryable Collection as Property of Root

    - by Khalid Abuhakmeh
    Hello and thank you for taking the time to read this. I have a root object that has a property that is a collection. For example : I have a Shelf object that has Books. // now public class Shelf { public ICollection<Book> Books {get; set;} } // want public class Shelf { public IQueryable<Book> Books {get;set;} } What I want to accomplish is to return a collection that is IQueryable so that I can run paging and filtering off of the collection directly from the the parent. var shelf = shelfRepository.Get(1); var filtered = from book in shelf.Books where book.Name == "The Great Gatsby" select book; I want to have that query executed specifically by NHibernate and not a get all to load a whole collection and then parse it in memory (which is what currently happens when I use ICollection). The reasoning behind this is that my collection could be huge, tens of thousands of records, and a get all query could bash my database. I would like to do this implicitly so that when NHibernate sees and IQueryable on my class it knows what to do. I have looked at NHibernates Linq provider and currently I am making the decision to take large collections and split them into their own repository so that I can make explicit calls for filtering and paging. Linq To SQL offers something similar to what I'm talking about.

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  • How do I fix a broken connection to DB2 from a web application?

    - by Eddie White
    I support some old web applications, VBScript-based ASP for the UI and VB6 COM modules for the business and data access layers. Last weekend, I installed DB2 Connect Enterprise Edition v8 fixpack 14 on several Windows 2000 servers, and one of the web apps errors out on null data when it calls the built in VBScript function FormatNumber. This numeric data is retrieved by a SQL Server query, but the only way the SQL Server column is populated is with the calculated results returned from a DB2 query earlier in a progression through several pages. When I installed DB2 Connect EE, one of the components loaded was MDAC 2.7. I followed corporate instructions and had the installation save an ODBC System Data Source, which reported a good connection when I tested it after the install. For what it's worth, the project references in the production VB6 modules pointed to MDAC 2.5. I have tried recompiling and deploying to COM on my test server new versions of the VB6 modules referencing MDAC 2.7. My development environment is Windows XP Pro, with MDAC 2.8 and DB2 Connect EE v9.5 installed. When I deployed the updated VB6 dlls, the CreateObject fails to instantiate the classes with the error message that "The class does not support automation or the requested interface". I've rolled the DB2 Connect install back and have reinstall v8 of the DB2 runtime client, which was the previous environment. The problem, however, persists.

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  • maintaing a sorted list that is bigger than memory

    - by tcurdt
    I have a list of tuples. [ "Bob": 3, "Alice: 2, "Jane": 1, ] When incrementing the counts "Alice" += 2 the order should be maintained: [ "Alice: 4, "Bob": 3, "Jane": 1, ] When all is in memory there rather simple ways (some more or some less) to efficiently implement this. (using an index, insert-sort etc) The question though is: What's the most promising approach when the list does not fit into memory. Bonus question: What if not even the index fits into memory? How would you approach this?

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  • how do i filter my lucene search results?

    - by Andrew Bullock
    Say my requirement is "search for all users by name, who are over 18" If i were using SQL, i might write something like: Select * from [Users] Where ([firstname] like '%' + @searchTerm + '%' OR [lastname] like '%' + @searchTerm + '%') AND [age] >= 18 However, im having difficulty translating this into lucene.net. This is what i have so far: var parser = new MultiFieldQueryParser({ "firstname", "lastname"}, new StandardAnalyser()); var luceneQuery = parser.Parse(searchterm) var query = FullTextSession.CreateFullTextQuery(luceneQuery, typeof(User)); var results = query.List<User>(); How do i add in the "where age = 18" bit? I've heard about .SetFilter(), but this only accepts LuceneQueries, and not IQueries. If SetFilter is the right thing to use, how do I make the appropriate filter? If not, what do I use and how do i do it? Thanks! P.S. This is a vastly simplified version of what I'm trying to do for clarity, my WHERE clause is actually a lot more complicated than shown here. In reality i need to check if ids exist in subqueries and check a number of unindexed properties. Any solutions given need to support this. Thanks

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  • Vertically Merge Multiple Tables in MySQL by Joint Primary Key

    - by world
    Hello, I'll attempt to make my question as clear as possible. I'm fairly unexperienced with SQL, only know the really basic queries. In order to have a better idea I'd been reading the MySQL manual for the past few days, but I couldn't really find a concrete solution and my needs are quite specific. I've got 3 MySQL MyISAM tables: table1, table2 and table3. Each table has an ID column (ID, ID2, ID3 respectively), and different data columns. For example table1 has [ID, Name, Birthday, Status, ...] columns, table2 has [ID2, Country, Zip, ...], table3 has [ID3, Source, Phone, ...] you get the idea. The ID, ID2, ID3 columns are common to all three tables... if there's an ID value in table1 it will also appear in table2 and table3. The number of rows in these tables is identical, about 10m rows in each table. What I'd like to do is create a new table that contains (most of) the columns of all three tables and merge them into it. The dates, for instance, must be converted because right now they're in VARCHAR YYYYMMDD format. Reading the MySQL manual I figured STR_TO_DATE() would do the job, but I don't know how to write the query itself in the first place so I have no idea how to integrate the date conversion. So basically, after I create the new table (which I do know how to do), how can I merge the three tables into it, integrating into the query the date conversion?

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  • how to import a 'zip' file to my .py ..

    - by zjm1126
    when i use http://github.com/joshthecoder/tweepy-examples , i find : import tweepy in the appengine\oauth_example\handlers.py but i can't find a tweepy file or tweepy's 'py' file, except a tweepy.zip file, i don't think this is right,cauz i never import a zip file, i find this in app.py: import sys sys.path.insert(0, 'tweepy.zip') why ? how to import a zip file.. thanks

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  • How can you remove a field from a word document?

    - by Kevin van Zanten
    Dear reader, I'm working on a project where the user can insert data into a document using fields, document properties and variables. The user also needs to be able to remove the data from the document. So far, I've managed to remove the document property and variable, but I'm not sure how I would go about removing the field (that's already inserted into the document). Please advise. Yours sincerely, Kevin

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  • Mysql Server Optimization

    - by Ish Kumar
    Hi Geeks, We are having serious MySQL(InnoDB) performance issues at a moment when we do: (10-20) insertions on TABLE1 (10-20) updates on TABLE2 Note: Both above operations happens within fraction of a second. And this occurs every few (10-15) minutes. And all online users (approx 400-600) doing read operation on join of TABLE1 & TABLE2 every 1 second. Here is our mysql configuration info: http://docs.google.com/View?id=dfrswh7c_117fmgcmb44 Issues: Lot queries wait and expire later (saw it from phpmyadmin / processes). My poor MySQL server crashes sometimes Questions Q1: Any suggestions to optimize at MySQL level? Q2: I thinking to use persistent connections at application level, is it right? Info Added Later: Database Engine: InnoDB TABLE1 : 400,000 rows (inserting 8,000 daily) & TABLE2: 8,000 rows 1 second query: SELECT b.id, b.user_id, b.description, b.debit, b.created, b.price, u.username, u.email, u.mobile FROM TABLE1 b, TABLE2 u WHERE b.credit = 0 AND b.user_id = u.id AND b.auction_id = "12345" ORDER BY b.id DESC LIMIT 10; // there are few more but they are not so critical. Indexing is good, we are using them wisely. In above query all id's are indexed And TABLE1 has frequent insertions and TABLE2 has frequent updates.

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  • Access denied when trying to access my database.

    - by Sergio Tapia
    Here's my code: <html> <head> </head> <body> <?php $user = mysql_real_escape_string($_GET["u"]); $pass = mysql_real_escape_string($_GET["p"]); $query = "SELECT * FROM usario WHERE username = '$user' AND password = '$pass'"; mysql_connect(localhost, "root", ""); @mysql_select_db("multas") or die( "Unable to select database"); $result=mysql_query($query); if(mysql_numrows($result) > 0){ echo 'si'; } ?> </body> </html> And here's the error I get when I try to run it Warning: mysql_real_escape_string() [function.mysql-real-escape-string]: Access denied for user 'ODBC'@'localhost' (using password: NO) in C:\xampp\htdocs\useraccess.php on line 7 Warning: mysql_real_escape_string() [function.mysql-real-escape-string]: A link to the server could not be established in C:\xampp\htdocs\useraccess.php on line 7 Warning: mysql_real_escape_string() [function.mysql-real-escape-string]: Access denied for user 'ODBC'@'localhost' (using password: NO) in C:\xampp\htdocs\useraccess.php on line 8 Warning: mysql_real_escape_string() [function.mysql-real-escape-string]: A link to the server could not be established in C:\xampp\htdocs\useraccess.php on line 8 Warning: mysql_numrows() expects parameter 1 to be resource, boolean given in C:\xampp\htdocs\useraccess.php on line 16

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  • Drupal 6 node_view empty

    - by kristian nissen
    I'm trying to produce a page with a list of specific nodes but the node_view returns an empty string. This is my query: function events_upcoming() { $output = ''; $has_events = false; $res = pager_query(db_rewrite_sql("SELECT n.nid, n.created FROM {node} n WHERE n.type = 'events' AND n.status = 1 ORDER BY n.sticky DESC, n.created DESC"), variable_get('default_nodes_main', 10)); while ($n = db_fetch_object($res)) { $output .= node_view(node_load($n->nid), 1); $has_events = true; } if ($has_events) { $output .= theme('pager', NULL, variable_get('default_nodes_main', 10)); } return $output; } hook_menu (part of): 'events/upcoming' => array( 'title' => t('Upcoming Events'), 'page callback' => 'events_upcoming', 'access arguments' => array('access content'), 'type' => MENU_SUGGESTED_ITEM ), the implementation of hook_view: function events_view($node, $teaser = false, $page = false) { $node = node_prepare($node, $teaser); if ($page) { // TODO: Handle breadcrump } return $node; } now, if I add a var_dump($node) inside events_view the node is present and I can see the values I want, and if I add a var_dump inside while loop in events_upcoming I also get a node id from the query. the strange thing is, when I load localhost/events/upcoming I see the pager and nothing else. I have used the blog.module as a reference, but what am I missing here?

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  • Retrieve specific preceding sibling nodes attributes

    - by Matthieu BROUILLARD
    Is there an XPath way of recovering directly one specific attribute of preceding sibling nodes of an XML node using an XPath query? In the following example, I would like to retrieve the values of the alt attribute of each img nodes that precede the div element marked with the id=marker. <content> <img alt="1" src="file.gif" /> <img alt="2" src="file.gif" /> <img alt="3" src="file.gif" /> <img alt="4" src="file.gif" /> <div id='marker'></div> </content> For this example, I want to retrieve the values 1 2 3 4. I use the following XPath query //div[@id='marker']/preceding-sibling::img in order to retrieve the node list I want <img alt="1" src="file.gif"/> <img alt="2" src="file.gif"/> <img alt="3" src="file.gif"/> <img alt="4" src="file.gif"/> As it is a node list I can then iterate on the nodes to retrieve the attribute value I am looking for, but is there an XPath way of doing it? I would have expected to be able to write something like: //div[@id='marker']/preceding-sibling::img@alt or //div[@id='marker']/preceding-sibling@alt::img but I don't even know if it is possible once you have used an XPath Axe like preceding-sibling.

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