perl tutorial pdf

Compared with Perl, Perl is still relatively small. It is quite convenient to watch videos when getting started, just like watching movies. I have read almost every episode of Superor. I hope you can take a closer look. Note: You need to write more during learning. You can only understand that only 5% of your work is yours. If you do all the exercises, 30% of your work will be yours. If you can write your

People often need to make a variety of beautiful PDF files, and everyone knows that PDF files are difficult to edit, so you usually edit the content in Word, and then use some tools to convert Word to PDF, but how to convert Word to PDF? Here we take a quick PDF converter as

users quickly batch to convert PDF documents to Word editable format documents, conversion quickly and occupy less system resources, conversion effect is quite excellent, the text image content, etc. are consistent with the original document, The function is very powerful. 　　PDF conversion to Word document Tutorial: The first step, we turn on the computer inst

Most people do need to edit the PDF file, and in the process of editing the document, we may need to readjust the page order of the PDF document.Re-editing the document will undoubtedly waste a lot of time, and the PDF document page can be easily adjusted with the Quick PDF Editor.First, download and install the Quick

the top left corner of the software to add the files that need to be recognized to the software, the software supports JPG, GIF, PNG, BMP, TIF picture file format and PDF file.2, in the software open files, with the mouse to delimit the text content to be extracted.3. Click the "Identify" button above the software to start identifying the selected content.4, the identification process of the end of the moment, you can see the software under the recog

draw an arc PDF_arc ($ pdf, 250,250, $ radius, $ last_angle, ($ last_angle + $ degrees [$ z]); // Save the final angle $ Last_angle = $ last_angle + $ degrees [$ z]; // Fill color Pai_fill_stroke ($ pdf ); } // Redraw the outer contour Pai_circle ($ pdf, 250,250,100 ); Performance_stroke ($ pdf ); Pai_end_page ($

Pdf_fill_stroke ($pdf); } Redraw the outline of the outer circle Pdf_circle ($pdf, 250, 250, 100); Pdf_stroke ($pdf); Pdf_end_page ($pdf); Pdf_close ($pdf); If you want to output directly to the client, add the following code $buf = Pdf_get_buffer ($p); $len = strlen ($BUF)

PHP provides a detailed tutorial on dynamically generating PDF files on a webpage. This article details the entire process of using PHP to dynamically build a PDF file. Use the free PDF library (FPDF), PDFLib-Lite, and other open-source tools for experimentation, and use PHP code to control the

->setcreator (Pdf_creator); $pdf ->setauthor (' Nicola asuni '); $pdf ->settitle (' TCPDF Example 002 '); $pdf ->setsubject (' TCPDF Tutorial '); $pdf ->setkeywords (' TCPDF, PDF, example, Test, guide '); /

pass an array or a hash class. Array: Copy Code code as follows: My @testArray = (1, 3, 2); #In Sub Sub Processarraybyreference ($) { my $arrayref = shift; My @array = @ $arrayref; #... } #In Sub Processarray:sub processarraybyvalue ($) { my @array = @_; #... } Processarraybyvalue (@testArray);Processarraybyreference (\ @testArray); HA series: Copy Code code as follows: Sub Printhash ($) { My%hash =%{shift ()}; For my $k

# Perl concise tutorial#1. perl uses # as a single line comment# Multi-line comments are enclosed by pod = cut as follows: multi-line comments= PodMultiline comment= Cut#1. Variables# There are only three variables in perl#1. Common variables (scalar)#2. Array variables (list)#3. hash variable (hash table)# Declaration

I found an xna4.0 series of tutorials on foreign websites. It was about the development of RPG games. I couldn't help but build a good game engine. I also designed a complete editor. It felt quite good, I would like to share with you here. This tutorial is written by Jamie McMahon. The links to the series of tutorials are http://xnagpa.net/xna4rpg.php. After my own arrangement, I will merge the Left and Right