udexter questions

• Unknown modifier '(' when using preg_match() with a REGEX expression [duplicate]
• Doing a PHP in_array() but with a needle of one another array()
• Fixed sidebar with 100% height in CSS
• Position a image over another existing `<img />` in CSS
• Get first paragraph (and only text) of a Wikipedia article returns not desired result
• Facebook like swipe menus in JavaScript without jQuery Mobile
• How I can I make jQuery go directly to <h2 id="id-name">?
• Center a <ul> list with a left float <li>'s with CSS
• Confirm to leave the page when editing a form with jQuery
• Database modeling for international and multilingual purposes

udexter answers