Here is code to hide 'Private:' that appear in the titles on Wordpress private posts or pages. It's a simple filter function added to 'functions.php'.

If you want to hide certain pages or posts from the WordPress search results. Then you need to edit the 'functions.php' file adding a nice snippet of code.

Here is how to hide google analytics code on the 'footer.php' file in WordPress, so it stops appearing when previewing the posts and pages in admin.

Sometimes is handy to view those hidden files on your mac. The files that usually start with a '.' such as '.example_file_name'.

How you remove the authors information which appears at the end of each blog post. It's the box which contains the admin image and description etc.