advanced perl programming tutorial pdf

... depart_town, jny_distance FROM Journeys; The only problem is that the previous queries will not work properly: WITH RECURSIVE Journeys (arrival_town) AS (SELECT DISTINCT depart_town FROM Journeys ... the accuracy of computations, and it is willing to wait to get an answer to a complex query 5 Properly designed OLTP databases are normalized A data warehouse is usually a Star or Snowflake Schema,

Ngày tải lên: 06/07/2014, 09:20

... and actually executing the program, you can find out much more A.1 Static Program Analysis Some programming errors can be detected using static analysis tools that analyze the program’s source ... invoke GCC with -Wall and -pedantic, the compiler issues warnings about risky or possibly erroneous programming constructions By eliminating such constructions, you’ll reduce the risk of program bugs, ... command options, you can cause GCC to issue warnings about many different types of questionable programming constructs.The -Wall option enables most of these checks For example, the compiler will

Ngày tải lên: 21/01/2014, 07:20

... with the mini-tutorial given here If you like Emacs and want to learn about its advanced features, you might consider reading one of the many Emacs books available One excellent tutorial, Learning ... Trang 1Advanced UNIX Programmingwith Linux I 1 Getting Started 2 Writing Good GNU/Linux Software 3 Processes 4 ... C-c If you want to get a little better acquainted with Emacs, choose the Emacs Tutorial entry on the Help menu.The tutorial provides you with lots of tips on how to use Emacs effectively 1 If you’re

Ngày tải lên: 21/01/2014, 07:20

... Trang 1Ch 12: More Advanced Linear Programming Concepts and Methods Applying Linear Programming to Those Investments in Which The Simplifying Assumptions ... overall risk measure such as ‘variance could be targeted and minimized. Trang 16Advanced LP Applications: Summary Linear programming can be used to solve selection problems from amongst competing ... conflicting wealth, environmental and social concerns  All analyses must recognize risk. Trang 7Advanced LP Techniques Applied to A Complex Investment Problem : An Example, ‘Power Gen Inc’.

Ngày tải lên: 23/03/2014, 04:20

... interface The program is a complete demonstration of some of the methods we’ve described for GNU/Linux programming and illustrated in shorter programs.This program is written more like “real-world” code, ... See one of the many excellent references on network application development, such as UNIX Network Programming,Volume 1: Networking APIs—Sockets and XTI, by W Richard Stevens (Prentice Hall, 1997),

Ngày tải lên: 17/10/2013, 19:15

... experience with ns-3 (e.g "this tutorial section was not clear "), reports ofstale documentation, etc are much appreciated 1.3 Tutorial Organization The tutorial assumes that new users might ... review some of the more advanced concepts or possibly unfamiliarlanguage features, idioms and design patterns as they appear We don’t want this tutorial to devolve into a C++ tutorial, though, so ... Documentation of the public APIs of the simulator • Tutorial (this document) • Reference Manual: Reference Manual • ns-3 wiki The purpose of this tutorial is to introduce new ns-3 users to the system

Ngày tải lên: 24/12/2013, 18:15

... Trang 1Application InterProcess Communication Tutorial Copyright ©2002-2003 by Peter Sippel Datentechnik In this Tutorial you will learn how easy it is to link your applications, ... that the whole projects are already created, you don’t have to do this by yourself However, this tutorial will help you to get a better start using the components First, create a new project and ... “SendText”, set enabled to false • Of course an AIPC Server component, set SessionName to “AIPC Tutorial” The Server form should now look like this: Now we add functionality to the server program

Ngày tải lên: 18/01/2014, 05:20

... Trang 2Advanced PHP ProgrammingTrang 4Advanced PHP ProgrammingSams Publishing, 800 East 96th Street, Indianapolis, Indiana 46240 ... Comments 29API Documentation 30Further Reading 35 Trang 92 Object-Oriented Programming Through Design Patterns 37Introduction to OO Programming 38Inheritance 40 Encapsulation 41Static (or Class) Attributes ... domain Trang 25A programming language needs to meet the following six criteria to be usable inbusiness-critical applications:n Fast prototyping and implementation n Support for modern programming

Ngày tải lên: 21/01/2014, 09:20

... benefitfrom the OO approach OO programming represents a paradigm shift from procedural programming, which isthe traditional technique for PHP programmers In procedural programming, you havedata (stored ... This is a c++-style comment n Shell/Perl-style comments—With this type of comment, the pound sign (#) isthe comment delimiter Here’s an example of a Shell/Perl-style comment: # This is a shell-style ... of a Shell/Perl-style comment: # This is a shell-style comment In practice, I avoid using Shell/Perl-style comments entirely I use C-style comments forlarge comment blocks and C++-style comments

Ngày tải lên: 21/01/2014, 09:20

... There are not many resources for shell scripting in PHP Perl has a much longer heritage of being a useful language for administrative tasks Perl for Systems Administration by David N Blank-Edelman ... Blank-Edelman is a nice text, and the syntax and feature similarity between Perl andPHP make it easy to port the book’s Perl examples to PHP Trang 24151 Further Readingphp|architect, an electronic ... shared memory extensions to hold variables or use the “tie” trick fromChapter 2, “Object-Oriented Programming Through Design Patterns.” Cleaning Up After Children In the Unix environment, a defunct

Ngày tải lên: 26/01/2014, 09:20

... </BODY></HTML> ” ; echo $output; cache($output); ?> If you are old enough to have learned Web programming with Perl-based CGI scripts,this likely sends a shiver of painful remembrance down your spine! ... of the persistent state in somethinglike mod_perlis that it is possible to irrevocably trash your interpreter for future requests or to have improperly initialized variables take unexpected values ... or across process invocations will probablyseem natural to programmers coming from Java or mod_perl In PHP, all user data struc-tures are destroyed at request shutdown.This means that with the

Ngày tải lên: 26/01/2014, 09:20

... Website.This is a popular strategy for Java programmers and (to a lesser extent) mod_perl developers Both Java and mod_perlembed a persistent runtime into Apache In this runtime,scripts and pages are ... gettheir name because their syntax is designed to largely mimic that of Perl’s regular expres-sions PCREs are not actually part of Perl at all, but are a completely independent com-patibility library ... Computational Reuse Inside PHP PHP itself employs computational reuse in a number of places PCREs Perl Compatible Regular Expressions (PCREs) consist of preg_match(), preg_replace(),preg_split(),preg_grep(),

Ngày tải lên: 26/01/2014, 09:20

... a folder connection to the tutorial data, create a new connection to the tutorial data under Folder Connections. 4 For Input Features, browse to the DatabaseServers tutorial directory. 5 Choose ... install SQL Server Express, ArcGIS Desktop, and the tutorial data If you do not have administrative rights to the computer you are going to use for this tutorial, have your systems administrator install ... database server user accounts Thistutorial shows you how to perform these tasks; therefore, without database server administrator permissions, you could not complete this tutorial Trang 4Additional

Ngày tải lên: 20/02/2014, 05:21

... (Microsoft), Heinz Stockinger (CERN), Raghu Ramakrishnan (Wisconsin) Dr Julian Bunn Center for Advanced Computing Research Caltech Trang 4What is a Database?? A large, integrated collection of ... concurrently on same data can create concurrency anomalies ? The shared checking account example ? Programming is hard enough without having to worry about concurrency Begin() read BAL add 10 write

Ngày tải lên: 07/03/2014, 23:20

... how Perl works perldoc perldoc perldoc perlrun Exercises 1 What is the path to your Perl installation? 2 Explain the difference between a compiler and an interpreter 3 Classify the Perl ... 10% Perl example− 1 Today’s "Blue-Plate Special"... Books are given in standard citation form The two books listed here, Learning Perl and Programming Perl, are the basic bibles for Perl ... develop and alter Perl Programming for Biologists D Curtis Jamison Copyright  2003 John Wiley & Sons, Inc ISBN: 0-4 7 1-4 305 9-5 7 8 An Introduction to Perl Perl...Introduction

Ngày tải lên: 25/03/2014, 10:29

... Trang 1Advanced Python ProgrammingTrang 2Advanced Programming Topics in Python A brief introduction to Python Working with the filesystem Operating system interfaces Programming with ... Python distribution Goal is to highlight many of Python’s capabilities Trang 3This tutorial is aimed at an advanced audience I assume prior knowledge of topics in Operating Systems and Networks ... Python Working with the filesystem Operating system interfaces Programming with Threads Network programming Database interfaces Restricted execution Extensions in C This is primarily a tour of

Ngày tải lên: 25/03/2014, 10:39

... 1Lecture 20-2 Perl Programming Perl (Practical Extraction and Report Language) is a powerful and adaptable scripting language Perl became very popular in early 90’s as web became a reality Perl is ... other capabilities Perl programs are not compiled but interpreted Perl interpreter in your unix system can be found by typing
where perl It may show /usr/local/bin/perl /usr/bin/perl giving the ... /usr/bin/perl giving the path of the perl interpreter Perl interpreter is used to run perl programs Let us start with a simple Hello world program in perl #!/usr/local/bin/perl print "Hello World\n";

Ngày tải lên: 29/04/2014, 14:45

... source species and energy that will correspond the micro-discharge effects Trang 2Hydrodynamics – Advanced Topics 286 Fig 14 2D Cartesian simulation domain of the multi-pin to plane corona discharge ... densities The zoom box shows, as an example, the O radical profile near a pin Trang 4Hydrodynamics – Advanced Topics 288 the case of the O radical, the density profile of Fig 11 was averaged along ... in order to better characterise the strongly coupled behaviour of micro- Trang 6Hydrodynamics – Advanced Topics 290 discharges dynamics and background gas dynamics The experimental devices have

Ngày tải lên: 18/06/2014, 22:20

... JavaBuilding a SlideShow Application Acrobat version of this tutorial (1.9 MB) Tutorial Contents Overview What You Will Need for this Tutorial Setting up the Project Architecture of the SlideShow ... All rights reserved. Intro to Java Programming - Tutorial Table of Contents Search Shortcut Trang 3Technical: JavaTable of Contents Next Section Overview In this tutorial, we will be building a ... Experience with other programming languages is not required, but is useful because certain elementary programming concepts are assumed Familiarity with object-oriented programming concepts and

Ngày tải lên: 27/06/2014, 12:20

... Trang 1Brenda Hoddinott Y-02 ADVANCED: CREATING IN COLOR Drawing an adorable puppy with colored pencils, illustrates how to ... Finishing the drawing of Wobby……….28 28 PAGES – 24 ILLUSTRATIONS Recommended for artists with advanced drawing skills, as well as home schooling, academic and recreational fine art educators

Ngày tải lên: 27/06/2014, 23:20