WordPress Development Weekly Newsletter - Thursday, October 30, 2014

Top new questions this week: Is there a JavaScript API? How to access public and private data in JS? According to this post there is no built-in JavaScript API for Wordpress. Therefore developers who want to build on AJAX seem to come up all with their own solution which doesn't seem right to me. ... <ajax> <javascript> <wp-enqueue-script> <api> <wp-localize-script>   asked by mc007 5 votes answered by G. M. 6 votes How Can I Add a Filter to Class Instance Only? I have a custom class which I use for several cases extending it, for example class A { public function show_things() { print_r( apply_filter( 'yet_another_filter', array( 'coffee', ... <plugin-development> <filters> <oop>   asked by uruk 4 votes answered by G. M. 5 votes Post doesn't show date if there's another post with the same date I have custom post type "press." and made a page template the queries posts of that type. The posts are supposed to show their published date, but if there are more than one posts with the same date, ... <date>   asked by Jaeeun Lee 3 votes answered by Robert hue 3 votes How to name files of namespaced classes? WP Core Handbook > PHP Coding Standards > Naming Conventions suggests the following for naming files with classes: Class file names should be based on the class name with class- prepended and ... <oop> <coding-standards>   asked by Rarst 3 votes answered by toscho 1 vote post_mime_types Filter not Working in List Mode I'm using the following code to add new sorting options to my Media Library: function modify_post_mime_types( $post_mime_types ) { $post_mime_types['application/pdf'] = array( __( 'PDFs' ), __( ... <filters> <wp-admin>   asked by Drath 3 votes How to update widget from widget() function? I'm trying to create a simple linkroll widget for displaying recent https://pinboard.in links via their API. To maximize loading speed, I want to cache the linklist in a widget field, as well as the ... <widgets> <save> <update-option>   asked by Hans Spieß 3 votes answered by Rarst 3 votes Is there a way to improve or optimize this query_posts query? It's very slow I have a fairly large database - 113,299 rows in wp_posts and 216,0649 rows in wp_postmeta. There is one custom query that I run after a post is added or edited, which appears in MySQL's slow-log ... <database> <query-posts> <performance>   asked by Biranit Goren 2 votes Greatest hits from previous weeks: Cannot access non-wordpress subdirectories as wordpress overrides them with a 404 error I refer to this question previously asked and not suitably answered: Wordpress overriding actual subdirectories and also Non "Wordpress" pages/code getting 404 error. I have the same ... <errors> <htaccess> <404-error> <directory>   asked by Nicole 10 votes answered by Elpie 12 votes How do I set a featured image (thumbnail) by image URL when using wp_insert_post()? While looking through the function reference entry for wp_insert_post(), I noticed that there's no parameter in the array it requires which will allow me to set the 'Featured Image' for a post, ... <post-thumbnails> <wp-insert-post>   asked by Chris 9 votes answered by Rob Vermeer 37 votes Can you answer these? Why am I seeing all these weird 'loginid' requests? I've been monitoring the access log for one of my Wordpress sites, and I'm seeing a lot of requests like this: /?loginid=df01ec6de1 I'll see a long series of these coming from one particular IP ... <urls>   asked by boot13 1 vote WordPress Filtering Custom Post Type by Metadata and Search Heirachy I have a custom Post Type called cptMovie which has two Custom Field (Metadata) "Language" and "Box office" assigned to it. I also have a Custom Taxonomy called movieTax with 4 tax Terms "Action", ... <theme-development> <search> <meta-query> <template-hierarchy>   asked by Mona Coder 1 vote Multisite -> XMLRPC On my site I have Multisite enabled. XMLRPC works on the main site (www.hostname.com/xmlrpc.php), but when I try www.hostname.com/subblog/xmlrpc.php, it returns a 404 error. <multisite> <xml-rpc>   asked by xrep 1 vote

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