perl scripting language tutorial

, Java, C #, Smalltalk, and even into other scripting languages, such as Perl and Ruby. In addition to being an extensible language, LUA is a "glue language" that supports a component-based development approach: creating new applications by gluing existing high-level components. The components that are glued can be co

Preface PHP is widely used in the background CGI development of the web, usually after the user data data to obtain a certain result, but if the user input data is incorrect, there will be problems, such as someone's birthday is "February 30"! What should I do to check whether the summer vacation is correct? With the support of regular expressions in PHP, we can make data matching very convenient. What is a regular expression In short, regular expressions are a powerful tool that can be used fo

Assume that the Perl language and MySQL database are installed. DBI Installation: DBI Detailed information reference: http://dbi.perl.org/1. Download DBI Package: wget http://search.cpan.org/CPAN/authors/id/T/TI/TIMB/DBI-1.620.tar.gz 2 Decompression Tar xzf dbi-1.620.tar.gz 3 into the unpack package, Perl makefile.pl 4 Make Test 5 Make 6 make install (if

also returns its subordinate string offset. Note that this changes the value of the returned array so that each cell is also an array, where the first item is the matching string, and the second item is its offset. This tag is available from PHP 4.3.0. The flags parameter is available from PHP 4.3.0. Preg_match () returns the number of times that pattern matches. Either 0 times (no match) or 1 times, because Preg_match () stops searching after the first match. Preg_match_all () Instead, it sear

Introduction to Cocos2d-x scripting language Lua This blog record Lua learning, learning from the eoe Forum, Lua language development Cocos2d-x game getting started video tutorial, the following URL: Http://www.eoeandroid.com/thread-320602-1-1.html Because Lua is compact, simple, and seamlessly integrated with C/C ++,

functionality and can quickly serve the page. Easy to use Any user with C or Perl or another language of similar style and syntax can quickly get started with PHP scripts. Although it is designed to be used on a network, it can also be used as a command line language. Does the Web application you are writing need to run some codes every hour or every day? Using

" after the pattern delimiter indicates a search that is case-insensitive.If (preg_match ("/php/I", "PHP is the web scripting language of choice .")){Print "A match was found .";} Else {Print "A match was not found .";}?> Example 2. search for the word "web ": The code is as follows: In/* mode, \ B indicates the word boundary. Therefore, only independent "web" words are matched,* Does not match a part

Editor's note: Although this article may be highly controversial, I felt very insightful when I saw it for the first time in March, and now I feel it is necessary to repeat it here. Our "practical Journey" has provided many introductions on application servers. I think various application servers that support jsp (of course SyntaxHighlighter. all (); Editor's note: Although this article may be highly controversial, I felt insightful when I first saw it in March.But now I think it is necessary to

Editor's note: although this article may be highly controversial, I felt insightful when I first saw it in March.But now I think it is necessary to repeat it here.Our "Practical Journey" has provided many introductions on application servers. I think jspType of Application Server (of course, supporting ejb and j2ee) will, maybe it is now mainstream. Many people like php,It may be because it contains a spirit of freedom or a lot of conveniences.Everything is evolving and changing. Here is still j

Use regular expressions compatible with Perl in PHP. Preface PHP is widely used in Web background CGI development. it usually produces some results after user data. However, if user input data is incorrect, problems may occur, such Preface PHP is widely used in Web background CGI development. it usually produces some results after user data. However, if the user input data is incorrect, a problem may occur, for example, a person's birthday is "August

Brief introduction Ruby is an extremely rich, free, simple, extensible, portable, object-oriented scripting language. Recently, it has been widely popular in the Web field. This is partly due to the very powerful WEB application development Framework Rails,rails is written in Ruby. Rails, also known as Ruby on Rails (ROR), as the name suggests, provides a very powerful platform for fast and effective devel

####### #概念 ########The language that can be used to program and execute the source code directly.####### #特点 ########1, do not need to compile a binary executable file, but directly execute the source code of a class of languages. 2, script language can not run away from the source code, the compiler language is just the opposite.The compiled program does not ne

Comparison of Perl, PHP, Python, Java and Ruby. Preview ◆ the development trend of the language must be a combination of dynamic and static data and a combination of flexibility ◆ Perl concise and obscure, Python elegant and clear, Ruby exquisite and smart, PHP concise and simple ◆ perhaps elegance is exactly from the fine Preview ◆ The

VBScript: The following are the referenced contents: The example above also writes the text "Hello world!" in the body part of the document. Javascript If you need to use JavaScript as the default scripting language for a particular page, you must insert a line of language settings at the top of the page: The following are the referenced conten

Shell Getting Started Tutorial (1)-shell-JUSTKK's Column-Blog channel-csdn.nethttp://blog.csdn.net/justkk/article/details/43795131 Shell Getting Started Tutorial (2)-Variables and Parameters-JUSTKK-Blog channel-csdn.nethttp://blog.csdn.net/justkk/article/details/44081993 Shell Getting Started Tutorial (3)-command editor-JUSTKK's column-Blog channel-csdn.nethttp:/