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"This Book Was a Joy to Read. It Covered All Sorts of Techniques for Debugging, Including 'Defensive' Paradigms That Will Eliminate Bugs in the First Place
Perl Debugged By Peter Scott, Ed Wright Publisher : Addison Wesley Pub Date : March 01, 2001 ISBN : 0-201-70054-9 Table of • Pages : 288 Contents "This book was a joy to read. It covered all sorts of techniques for debugging, including 'defensive' paradigms that will eliminate bugs in the first place. As coach of the USA Programming Team, I find the most difficult thing to teach is debugging. This is the first text I've even heard of that attacks the problem. It does a fine job. Please encourage these guys to write more." -Rob Kolstad Perl Debugged provides the expertise and solutions developers require for coding better, faster, and more reliably in Perl. Focusing on debugging, the most vexing aspect of programming in Perl, this example-rich reference and how-to guide minimizes development, troubleshooting, and maintenance time resulting in the creation of elegant and error-free Perl code. Designed for the novice to intermediate software developer, Perl Debugged will save the programmer time and frustration in debugging Perl programs. Based on the authors' extensive experience with the language, this book guides developers through the entire programming process, tackling the benefits, plights, and pitfalls of Perl programming. Beginning with a guided tour of the Perl documentation, the book progresses to debugging, testing, and performance issues, and also devotes a chapter to CGI programming in Perl. Throughout the book, the authors espouse defensible paradigms for improving the accuracy and performance of Perl code. In addition, Perl Debugged includes Scott and Wright's "Perls of Wisdom" which summarize key ideas from each of the chapters, and an appendix containing a comprehensive listing of Perl debugger commands. -
Practical Ruby Projects: Practical Ruby Projects Ideas for the Eclectic Programmer
CYAN YELLOW MAGENTA BLACK PANTONE 123 C BOOKS FOR PROFESSIONALS BY PROFESSIONALS® THE EXPERT’S VOICE® IN OPEN SOURCE Companion eBook Available Practical Ruby Projects: Projects Ruby Practical Ideas for the Eclectic Programmer Dear Reader, You’ve learned the basics of Ruby, and you’re ready to move on to the next level— trying out advanced techniques, mastering best practices, and exploring Ruby’s full potential. With this book you’ll learn by experience while you tackle an exciting series of varied but always practical programming projects. What is an eclectic programmer, you ask? He or she is an inquisitive thinker Practical who likes to play around with new concepts, a person who is project-oriented and enjoys coding, a person who doesn’t mind some technical depth folded in with creative excursions, and a person who is always looking for fresh ideas. This book is a little different from other computer books. It is meant to be entertaining, exciting, and intellectually challenging. Inside you’ll find a collec- tion of diverse projects, ranging from the creative to the practical, written as a nod to all the great Rubyists I’ve been privileged to know. Each chapter dives into Ruby Projects new topics and approaches meant to exercise your programming muscles. You’ll start by building a cross-platform music environment, progress to drawing animations using scalable vector graphics, and then move on to prac- tical problem solving using simulation. In addition, you’ll implement your own turn-based strategy game and build a Mac-native RubyCocoa interface to it. -
Symbols & Numbers A
ruby_02.book Page 267 Thursday, May 10, 2007 4:12 PM INDEX Symbols & Numbers \ (backslash), in regular expression, for literal characters, 144 %Q for instantiating Strings, 23, \W, in regular expression, for 108–109, 215–216, 219, 239, whitespace, 66 245, 248–250 { } (braces) %w for instantiating Arrays, 47, for blocks, 28 113, 115 for declaring Hash, 42 & (ampersand), for expressing blocks {x}, in regular expression, 79 and Procs, 105–106 - method (Hash), 93 ! (exclamation point), for destructive ||= operator, 77–78, 127 methods, 20, 22–23 | (pipe) character, in regular || (or) operator, 17 expression, 56 # character + method of Integers and Strings, 3–4 for comments, 14 + (plus sign), in regular for instance method, 234 expression, 62 #{} for wrapping expression to be = (equal sign), for assigning value to interpolated, 23 variable, 9 #! (shebang), 47 == operator, for equality testing, 14 $ (dollar sign), for bash prompt, 19 =begin rdoc, 22 * (asterisk), in irb prompt, 8 =end, 22 ** (asterisk doubled), for “to the <=> method (Comparable), 145, power of,” 72 150–151 /\d+/ in regular expression, for digits <% and %> tags, 211 only, 79 <%= tag, for printing expression, 214 :needs_data Symbol key, 116 99bottles.rb script, 20–25 :nitems Symbol key, 116 :unless0th Symbol key, 116 ? (question mark) A in predicate method names, 22 actionpack, warnings related to, 226 in regular expression, for optional Active Record, Rails dependence expressions, 144 on, 227 @ sign, for instance variable, 21–22 Agile Web Development with Rails @@ sign, for class -
Intermediate Perl
SECOND EDITION Intermediate Perl Randal L. Schwartz, brian d foy, and Tom Phoenix Beijing • Cambridge • Farnham • Köln • Sebastopol • Tokyo Intermediate Perl, Second Edition by Randal L. Schwartz, brian d foy, and Tom Phoenix Copyright © 2012 Randal Schwartz, brian d foy, Tom Phoenix. All rights reserved. Printed in the United States of America. Published by O’Reilly Media, Inc., 1005 Gravenstein Highway North, Sebastopol, CA 95472. O’Reilly books may be purchased for educational, business, or sales promotional use. Online editions are also available for most titles (http://my.safaribooksonline.com). For more information, contact our corporate/institutional sales department: 800-998-9938 or [email protected]. Editors: Simon St. Laurent and Shawn Wallace Indexer: Lucie Haskins Production Editor: Kristen Borg Cover Designer: Karen Montgomery Copyeditor: Absolute Service, Inc. Interior Designer: David Futato Proofreader: Absolute Service, Inc. Illustrator: Rebecca Demarest March 2006: First Edition. August 2012: Second Edition. Revision History for the Second Edition: 2012-07-20 First release See http://oreilly.com/catalog/errata.csp?isbn=9781449393090 for release details. Nutshell Handbook, the Nutshell Handbook logo, and the O’Reilly logo are registered trademarks of O’Reilly Media, Inc. Intermediate Perl, the image of an alpaca, and related trade dress are trademarks of O’Reilly Media, Inc. Many of the designations used by manufacturers and sellers to distinguish their products are claimed as trademarks. Where those designations appear in this book, and O’Reilly Media, Inc., was aware of a trademark claim, the designations have been printed in caps or initial caps. While every precaution has been taken in the preparation of this book, the publisher and authors assume no responsibility for errors or omissions, or for damages resulting from the use of the information con- tained herein. -
Modern Perl, Fourth Edition
Prepared exclusively for none ofyourbusiness Prepared exclusively for none ofyourbusiness Early Praise for Modern Perl, Fourth Edition A dozen years ago I was sure I knew what Perl looked like: unreadable and obscure. chromatic showed me beautiful, structured expressive code then. He’s the right guy to teach Modern Perl. He was writing it before it existed. ➤ Daniel Steinberg President, DimSumThinking, Inc. A tour de force of idiomatic code, Modern Perl teaches you not just “how” but also “why.” ➤ David Farrell Editor, PerlTricks.com If I had to pick a single book to teach Perl 5, this is the one I’d choose. As I read it, I was reminded of the first time I read K&R. It will teach everything that one needs to know to write Perl 5 well. ➤ David Golden Member, Perl 5 Porters, Autopragmatic, LLC I’m about to teach a new hire Perl using the first edition of Modern Perl. I’d much rather use the updated copy! ➤ Belden Lyman Principal Software Engineer, MediaMath It’s not the Perl book you deserve. It’s the Perl book you need. ➤ Gizmo Mathboy Co-founder, Greater Lafayette Open Source Symposium (GLOSSY) Prepared exclusively for none ofyourbusiness We've left this page blank to make the page numbers the same in the electronic and paper books. We tried just leaving it out, but then people wrote us to ask about the missing pages. Anyway, Eddy the Gerbil wanted to say “hello.” Prepared exclusively for none ofyourbusiness Modern Perl, Fourth Edition chromatic The Pragmatic Bookshelf Dallas, Texas • Raleigh, North Carolina Prepared exclusively for none ofyourbusiness Many of the designations used by manufacturers and sellers to distinguish their products are claimed as trademarks. -
Nuitka User Manual Contents
Nuitka User Manual Contents Overview 1 Usage 1 Requirements 1 Command Line 3 Installation 3 License 3 Tutorial Setup and build on Windows 3 Setup 4 Install Python 4 Install Nuitka 4 Write some code and test 4 Create a folder for the Python code 4 Test your program 4 Build it using 4 Run it 5 Distribute 5 Use Cases 5 Use Case 1 - Program compilation with all modules embedded 5 Use Case 2 - Extension Module compilation 6 Use Case 3 - Package compilation 7 Use Case 4 - Program Distribution 7 Tweaks 8 Icons 8 Splash screen 9 Typical Problems 9 Memory issues and compiler bugs 9 Avoid 32 bit C compiler/assembler memory limits 9 Use LTO compilation or not 10 Switch the C compiler to clang 10 Add a larger swap file to your embedded Linux 10 Limit the amount of compilation jobs 10 Dynamic sys.path 10 Missing data files in standalone 10 Missing DLLs in standalone 10 Dependency creep in standalone 10 Onefile: Finding files 11 Windows Programs without console give no errors 11 Tips 11 Nuitka Options in the code 11 Python command line flags 12 Caching compilation results 12 Control where Caches live 12 Runners 12 Fastest C Compilers 12 Unexpected Slowdowns 13 Standalone executables and dependencies 13 Windows errors with resources 13 Windows standalone program redistribuation 13 Detecting Nuitka at run time 14 Performance 14 pystone results 14 Where to go next 14 Follow me on Twitter 14 Report issues or bugs 14 Word of Warning 15 Join Nuitka 15 Donations 15 Unsupported functionality 15 The co_code attribute of code objects 15 PDB 16 Optimization 16 -
Mastering Algorithms with Perl
Page iii Mastering Algorithms with Perl Jon Orwant, Jarkko Hietaniemi, and John Macdonald Page iv Mastering Algorithms with Perl by Jon Orwant, Jarkko Hietaniemi. and John Macdonald Copyright © 1999 O'Reilly & Associates, Inc. All rights reserved. Printed in the United States of America. Cover illustration by Lorrie LeJeune, Copyright © 1999 O'Reilly & Associates, Inc. Published by O'Reilly & Associates, Inc., 101 Morris Street, Sebastopol, CA 95472. Editors: Andy Oram and Jon Orwant Production Editor: Melanie Wang Printing History: August 1999: First Edition. Nutshell Handbook, the Nutshell Handbook logo, and the O'Reilly logo are registered trademarks of O'Reilly & Associates, Inc. Many of the designations used by manufacturers and sellers to distinguish their products are claimed as trademarks. Where those designations appear in this book, and O'Reilly & Associates, Inc. was aware of a trademark claim, the designations have been printed in caps or initial caps. The association between the image of a wolf and the topic of Perl algorithms is a trademark of O'Reilly & Associates, Inc. While every precaution has been taken in the preparation of this book, the publisher assumes no responsibility for errors or omissions, or for damages resulting from the use of the information contained herein. ISBN: 1-56592-398-7 [1/00] [M]]break Page v Table of Contents Preface xi 1. Introduction 1 What Is an Algorithm? 1 Efficiency 8 Recurrent Themes in Algorithms 20 2. Basic Data Structures 24 Perl's Built-in Data Structures 25 Build Your Own Data Structure 26 A Simple Example 27 Perl Arrays: Many Data Structures in One 37 3. -
Python in a Hacker's Toolbox
Python in a hacker's toolbox v. 2016 Gynvael Coldwind Security PWNing Conference, Warszawa 2016 Keynote? Raczej prelekcja techniczna. O prelegencie All opinions expressed during this presentations are mine and mine alone. They are not opinions of my lawyer, barber and especially not my employer. Menu Sandboxing Język i VM Bezpieczeństwo RE Ta prezentacja zawiera fragmenty ● Data, data, data... ● "On the battlefield with the dragons" (+ Mateusz Jurczyk) ● "Ataki na systemy i sieci komputerowe" ● "Pwning (sometimes) with style - Dragons' notes on CTFs" (+ Mateusz Jurczyk) ● "Python in a hacker's toolbox" Język i VM Python 2.6, 2.7, 3, CPython?, IronPython??, Jython???, oh my... Python Python 2.6, 2.7, 3, CPython?, IronPython??, Jython???, oh my... Język rozwijany przez Python Software Foundation Python Python 2.6, 2.7, 3, CPython?, IronPython??, Jython???, oh my... Język rozwijany przez Python Software Foundation Python Python Enhancement Proposal (w skrócie: PEP) Python 2.6, 2.7, 3, CPython?, IronPython??, Jython???, oh my... Język rozwijany przez Python Software Foundation Python Python Enhancement Proposal (w skrócie: PEP) Python 2.6, 2.7, 3, CPython?, IronPython??, Jython???, oh my... Python Implementacje https://wiki.python.org/moin/PythonImplementations Python 2.6, 2.7, 3, CPython?, IronPython??, Jython???, oh my... CPython Brython CLPython Jython HotPy pyjs Python Implementacje PyMite PyPy pyvm SNAPpy RapydScript IronPython tinypy https://wiki.python.org/moin/PythonImplementations Python 2.6, 2.7, 3, CPython?, IronPython??, Jython???, oh my... Jython Python Implementacje https://wiki.python.org/moin/PythonImplementations Python 2.6, 2.7, 3, CPython?, IronPython??, Jython???, oh my... Brython Python Implementacje https://wiki.python.org/moin/PythonImplementations Python 2.6, 2.7, 3, CPython?, IronPython??, Jython???, oh my.. -
Perl Cookbook
;-_=_Scrolldown to the Underground_=_-; Perl Cookbook http://kickme.to/tiger/ By Tom Christiansen & Nathan Torkington; ISBN 1-56592-243-3, 794 pages. First Edition, August 1998. (See the catalog page for this book.) Search the text of Perl Cookbook. Index Symbols | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z Table of Contents Foreword Preface Chapter 1: Strings Chapter 2: Numbers Chapter 3: Dates and Times Chapter 4: Arrays Chapter 5: Hashes Chapter 6: Pattern Matching Chapter 7: File Access Chapter 8: File Contents Chapter 9: Directories Chapter 10: Subroutines Chapter 11: References and Records Chapter 12: Packages, Libraries, and Modules Chapter 13: Classes, Objects, and Ties Chapter 14: Database Access Chapter 15: User Interfaces Chapter 16: Process Management and Communication Chapter 17: Sockets Chapter 18: Internet Services Chapter 19: CGI Programming Chapter 20: Web Automation The Perl CD Bookshelf Navigation Copyright © 1999 O'Reilly & Associates. All Rights Reserved. Foreword Next: Preface Foreword They say that it's easy to get trapped by a metaphor. But some metaphors are so magnificent that you don't mind getting trapped in them. Perhaps the cooking metaphor is one such, at least in this case. The only problem I have with it is a personal one - I feel a bit like Betty Crocker's mother. The work in question is so monumental that anything I could say here would be either redundant or irrelevant. However, that never stopped me before. Cooking is perhaps the humblest of the arts; but to me humility is a strength, not a weakness. -
High Performance Python Through Workload Acceleration with OMR Jitbuilder
High Performance Python Through Workload Acceleration with OMR JitBuilder by Dayton J. Allen Bachelor of Science, Computer Science University of the West Indies, 2017 A THESIS SUBMITTED IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF Master of Computer Science In the Graduate Academic Unit of Computer Science Supervisor(s): David Bremner, PhD, Computer Science Examining Board: Michael Fleming, PhD, Computer Science, Chair Suprio Ray, PhD, Computer Science External Examiner: Monica Wachowicz, PhD, Geodesy & Geomatics Engineering This thesis is accepted by the Dean of Graduate Studies THE UNIVERSITY OF NEW BRUNSWICK June, 2020 c Dayton J. Allen, 2020 Abstract Python remains one of the most popular programming languages in many domains including scientific computing. Its reference implementation, CPython, is by far the most used version. CPython's runtime is bytecode-interpreted and leaves much to be desired when it comes to performance. Several attempts have been made to improve CPython's performance such as reimplementing performance-critical code in a more high-performance language (e.g. C, C++, Rust), or, transpiling Python source code to a more high-performance language, which is then called from within CPython through some form of FFI mechanism. Another approach is to JIT com- pile performance-critical Python methods or utilize alternate implementations that include a JIT compiler. JitBuilder provides a simplified interface to the underlying compiler technology avail- able in Eclipse OMR. We propose using JitBuilder to accelerate performance-critical workloads in Python. By creating Python bindings to JitBuilder's public interface, we can generate native code callable from within CPython without any modifications to its runtime. -
Nuitka Developer Manual Contents
Nuitka Developer Manual Contents Milestones 1 Version Numbers 1 Current State 2 Setting up the Development Environment for Nuitka 2 Visual Studio Code 2 Eclipse / PyCharm 3 Commit and Code Hygiene 3 Coding Rules Python 3 Tool to format 3 Identifiers 4 Module/Package Names 4 Names for context manages start with with 4 Prefer list contractions over built-ins 5 Coding Rules C 5 The "git flow" model 5 Nuitka "git/github" Workflow 6 API Documentation and Guidelines 7 Use of Standard Python "__doc__" Strings 7 Special doxygen Anatomy of "__doc__" 7 Checking the Source 8 Running the Tests 8 Running all Tests 9 Basic Tests 10 Syntax Tests 11 Program Tests 11 Generated Tests 11 Internal/Plugin API 11 Working with the CPython suites 11 Design Descriptions 12 Nuitka Logo 12 Choice of the Target Language 13 Use of Scons internally 13 Locating Modules and Packages 15 Hooking for module import process 16 Supporting __class__ of Python3 16 Frame Stack 17 Parameter Parsing 18 Input 18 Keyword dictionary 18 Argument tuple 19 SSA form for Nuitka 19 Loop SSA 20 Python Slots in Optimization 21 Basic Slot Idea 21 Representation in Nuitka 21 The C side 23 Built-in call optimization 24 Code Generation towards C 24 Exceptions 24 Statement Temporary Variables 24 Local Variables Storage 25 Exit Targets 25 Frames 25 Abortive Statements 25 Constant Preparation 25 Language Conversions to make things simpler 26 The assert statement 26 The "comparison chain" expressions 26 The execfile built-in 27 Generator expressions with yield 27 Function Decorators 27 Functions -
Learn Web Development with Python
Learn Web Development with Python Get hands-on with Python Programming and Django web development Fabrizio Romano Gastón C. Hillar Arun Ravindran BIRMINGHAM - MUMBAI Learn Web Development with Python Copyright © 2018 Packt Publishing All rights reserved. No part of this book may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, without the prior written permission of the publisher, except in the case of brief quotations embedded in critical articles or reviews. Every effort has been made in the preparation of this book to ensure the accuracy of the information presented. However, the information contained in this book is sold without warranty, either express or implied. Neither the authors, nor Packt Publishing or its dealers and distributors, will be held liable for any damages caused or alleged to have been caused directly or indirectly by this book. Packt Publishing has endeavored to provide trademark information about all of the companies and products mentioned in this book by the appropriate use of capitals. However, Packt Publishing cannot guarantee the accuracy of this information. First published: December 2018 Production reference: 1201218 Published by Packt Publishing Ltd. Livery Place 35 Livery Street Birmingham B3 2PB, UK. ISBN 978-1-78995-329-9 www.packtpub.com mapt.io Mapt is an online digital library that gives you full access to over 5,000 books and videos, as well as industry leading tools to help you plan your personal development and advance your career. For more information, please