I would modify the answer from gabrielk and the linked blog post by using database indexes and minimizing the number of actual distance calculations. If you know the coordinates of the user and you know the maximum distance (say 10km), you can draw a bounding box that is 20km by 20km with the current location … Read more
The following uses jQuery UI Autocomplete, which has been included in WordPress since 3.3. (I’ve borrowed the format from @Rarst :D). It’s still not precisely what you’re after, but gives you a good starting point. The following uses a the basic jQuery UI styling, but you can use the one that’s currently worked out on … Read more
Here’s a filter that’ll do the trick. Drop it into your theme’s functions.php or a plugin. /** * Search SQL filter for matching against post title only. * * @link http://wordpress.stackexchange.com/a/11826/1685 * * @param string $search * @param WP_Query $wp_query */ function wpse_11826_search_by_title( $search, $wp_query ) { if ( ! empty( $search ) && ! … Read more
Someone put search logic into a somewhat obfuscated theme file that was connected through a series of ludicrous includes.
Tell grep to treat your input as fixed string using -F option. Option -n is required to get the line number,
A Tree is just a restricted form of a Graph. Trees have direction (parent / child relationships) and don’t contain cycles. They fit with in the category of Directed Acyclic Graphs (or a DAG). So Trees are DAGs with the restriction that a child can only have one parent. One thing that is important to … Read more
Just put this in your .vimrc
Update Now that the question scope has been corrected, I might add something in this regard as well: There are many comparisons between Apache Solr and ElasticSearch available, so I’ll reference those I found most useful myself, i.e. covering the most important aspects: Bob Yoplait already linked kimchy’s answer to ElasticSearch, Sphinx, Lucene, Solr, Xapian. Which fits for which usage?, … Read more
As Russel and Norvig point out in Artificial Intelligence: A Modern Approach (the most commonly used AI textbook) it is challenging to come up with a heuristic that is admissible but not consistent. Obviously, you can select values for nodes in a graph such that the heuristic they represent is admissible but not consistent. This … Read more