Unboxing Mind

Google Chart Tools provide a perfect way to visualize data on your website. From simple line charts to complex hierarchical tree maps, the chart galley provides a large number of well-designed chart types. Populating your data is easy using the provided client- and server-side tools. Chart Library Charts are exposed as JavaScript classes. Google Chart Tools provides  many chart types  for you to use. Although the default appearance is best for most situations, you can easily  customize a chart  to fit the look and feel of your website. Charts are highly interactive and expose  events  that enable you to connect them to create complex  dashboards  or other experiences integrated with your webpage . Charts are rendered using HTML5/SVG technology to provide cross-browser compatibility (including VML for older IE versions) and cross platform portability to iPhones, iPads and Android. No plugins are needed. DataTables All charts are populated with data using a common JavaScrip

Perl is very useful. Lots of the system utilities are written in or depend on perl. Most systems won't operate properly if Perl is uninstalled. A few years ago FreeBSD went through a  lot  of effort to remove Perl as a dependency for the base system. It wasn't an easy task.

A regular expression (also called a regex or regexp) is a pattern that can match a piece of text. The simplest form of regular expression is just a plain string, which matches itself. A regexp can match more than one string, and you create such a pattern by using some special characters. For example , the period character ( dot ) matches any character (except a newline), so the regular expression '.ython' would match both the string 'python' and the string 'jython'. It would also match strings such as 'qython', '+ython', or ' ython' (in which the first letter is a single space), but not strings such as 'cpython' or 'ython' because the period matches a single letter, and neither two nor zero .     and this period is called  a wildcard. (pattern) ?  pattern  is used to  Escaping Special Characters  (pattern)* pattern is repeated zero or more times (pattern)+ pattern is repeated one or more times (patt