The basic approach is to use the `document.querySelectorAll` to match certain elements, then manually set the display property to 'none' or 'block' (or 'inline-block') to hide or show it. Using the `match` method allows us to detect whether or not the sea...

Here is a one liner for using XPATH with HTML in PHP $doc = new DOMXPath(@DOMDocument::loadHTML(file_get_contents("https://www.reddit.com/r/PHP/"))); Now you can use XPATH to query the html.. foreach($doc->query("//a") as $el){ echo $el->no...

If you use the link_to_function to replace content in a div with content from a partial, any javascript that you include in the partial will not be executed. It is instead included, but will do nothing. Obviously, this isn't the desired behavior. Why woul...

Given a collection of Active Record objects, you may use the collection_select helper method to produce a select form field. You need to pass in a number of arguments to the helper function. 1) object - your model object used in the collection 2) method ...

Remove cell padding on a table you add the cellspacing attribute and set it to "0". Is there a better way to do this with straight up CSS? Nothing seems to work... <table id='my-favorite-table' cellspacing="0" > ...

To clean up some repetitive html coding in views, pass a block of text to a helper function which will wrap it for you the same way, each and every time. For example, I have a 'help' link which will toggle the display of a block of text if a link is click...