It is sometimes needed to deactivate a certain plugin while your plugin is being activated. The reason for it can be anything, like if two plugins are incompatible or if you are providing premium version of a free or lite plugin. So while activating the premium version you can automatically deactivate the free or lite version in the activation hook of the premium plugin.
Almost all of the WordPress plugins provide Plugins specific Options or Settings which provide an ability to the plugin user to change the default behavior of the plugin or specify some site specific values. You can very easily implement the Save Settings using AJAX functionality on your plugins Option Panel using this small code snippet.
Simple solution to have sub-direcories on older WordPress installation. More than 1 month older WordPress installation doesn’t allow sub-directories as Network sites.
Google has announced that they are going to support authorship markup i.e. rel=”author” tag in website’s html. It will be a way to tell the search engine about the author of the content. Based on the data, Google can organize the author’s content in their index system and let people browse that from search results. […]