Regular Expressions Tutorial. This article will give you an introduction to the world of regular expressions.
I'll start off with explaining what regular expressions are and introduce their syntax, then some examples with varying complexity. Concept A regular expression is a text pattern consisting of a combination of alphanumeric characters and special characters known as metacharacters. A close relative is in fact the wildcard expression which are often used in file management. The pattern is used to match against text strings. You'll find that regular expressions are used in three different ways: Regular text match, search and replace and splitting. Regular expressions are often simply called regexps or RE, but for consistency I'll be referring to it with its full name. Due to the versatility of the regular expression it is widely used in text processing and parsing. Usage Now you're probably wondering why you should bother to learn regular expressions. Quantifiers or a number: Remember this, it's very important. VBScript Statements.
New Tab Page – show, hide and customize top sites. When you create a new tab, Firefox shows your top sites to make getting where you want to go easier than ever.
We'll show you how to pin sites to this page, rearrange the layout or even turn it off if you wish. Firefox displays websites on the new tab page based on how frequently you visit each site and how recently you were there. You can easily pin, delete and rearrange the sites that show up on the new tab page to customize it just the way you want. Pin a site Just click the pin icon in the top-left corner of the site to lock it in that position on the page. Add a site You can also open the bookmarks library and drag bookmarks to the new tab page. Click the Bookmarks button on the right side of the navigation toolbarOn the menu bar, click At the top of the Firefox window, click the menu and select to open the Library window. Remove a site Click the "X" in the top-right corner of the site to delete it from the page. Rearrange sites Click and drag a site into the position you want.
PCI Vendor and Device Lists. How to identify an unknown device (e.g. Wireless LAN module)? Sometimes you may have a problem, that there is an unknown device in your device manager.
For example, if you make a clean installation of an operating system like Windows 7. In this document, we will describe, how to identify the unknown device, using the database on www.pcidatabase.com (This page is used in our example, but there may be any similar page you can use, too.) How to check, if the PC has any unknown device.Press the "Windows Key" and the "Break Key" on your Keyboard at the same time and the system window will open Click on "Device Manager" on the upper left of the page to open it. Now the "Device Manager" will open and you can see, if there are any unknown device listed, like in the picture below.