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"D"iving Into the D Programming Language By Andrei Alexandrescu Jul 29, 2009 Andrei Alexandrescu dives into explaining the basics of the D programming language.

Advanced Debugging in the Linux Environment By Stephen A. Rago Nov 21, 2013 In this article, Stephen Rago describes some of the free tools available for the Linux operating system to help you debug your programs. You will learn about some very effective tools (systemtap, strace, valgrind, gdb) and how to effectively employ them in real-world scenarios.

Becoming a Software Developer Part 2: Test Driven Development with Ruby By Pete McBreen Apr 12, 2002 Developers can become more productive and spend a lot less time debugging code by creating Extreme Programming style unit tests before the rest of the code is written. Every "Ruby nuby" should learn about test-driven development and create unit tests.

Becoming a Software Developer Part 7: Ruby for the Internet Nuby By Pete McBreen May 24, 2002 It's easy to write simple scripts for sending emails — but hard to make sure that your application deals with all the weird and wonderful things that can go wrong.

Eloquent Ruby: An Interview with Russ Olsen By Pat Eyler, Russ Olsen Mar 24, 2011 Pat Eyler interviews Russ Olsen about his new book, Eloquent Ruby, recommended programming practices, why it's beneficial to learn a new programming language, and why it's sometimes worthwhile to color outside the lines.

Eloquent Ruby: Embrace Dynamic Typing By Russ Olsen Mar 2, 2011 In this chapter from his book, Eloquent Ruby, Russ Olsen In looks at how dynamic typing allows you to build programs that are simultaneously compact, flexible, and readable. Unfortunately, nothing comes for free, so he also looks at the downsides of dynamic typing and at how the wise Ruby programmer works hard to make sure the good outweighs the bad.

Eloquent Ruby: Use Symbols to Stand for Something By Russ Olsen Mar 1, 2011 In this chapter from his book, Eloquent Ruby, Russ Olsen shows symbols in Ruby for what they really are: very simple, useful programming language constructs that are a key part of the Ruby programming style.

Getting Started with the Linux Kernel By Robert Love Jul 21, 2010 This chapter introduces some of the basics of the Linux kernel. It then goes over the differences between the kernel and user-space programs and common programming constructs used in the kernel.

How to Store Text in Strings in Python By Katie Cunningham Oct 25, 2013 When Python wants to store text in a variable, it creates a variable called a string. Katie Cunningham shows you how to create, print and format strings and when to use strings in the real world.

Learn Ruby the Hard Way: A Good First Program By Zed A. Shaw Dec 23, 2014 In this excerpt from Learn Ruby the Hard Way: A Simple and Idiomatic Introduction to the Imaginative World Of Computational Thinking with Code, 3rd Edition, Zed Shaw walks you through writing your first Ruby program, and gives you some study drills to help you practice your skills.

Learn Ruby the Hard Way: Comments and Pound Characters By Zed A. Shaw Dec 23, 2014 Comments are very important in your programs. They are used to tell you what something does in English, and they are used to disable parts of your program if you need to remove them temporarily. Zed Shaw shows you how you use comments in Ruby, in this chapter from Learn Ruby the Hard Way: A Simple and Idiomatic Introduction to the Imaginative World Of Computational Thinking with Code, 3rd Edition.

Learn Ruby the Hard Way: Comments and Pound Characters By Zed A. Shaw Sep 8, 2014 Comments are very important in your programs. They are used to tell you what something does in English, and they are used to disable parts of your program if you need to remove them temporarily. Zed Shaw shows you how to use them in Ruby, in this excerpt from Learn Ruby the Hard Way: A Simple and Idiomatic Introduction To The Imaginative World Of Computational Thinking With Code, 3rd Edition.

Linux File Management Basics By Ross Brunson, Sean Walberg Jan 13, 2016 This chapter from CompTIA Linux+ / LPIC-1 Cert Guide: (Exams LX0-103 & LX0-104/101-400 & 102-400) covers Linux file system management as it pertains to the objectives on the CompTIA Linux+ / LPIC-1 exam.

Open Source Tools for Security Testing By Michael Kelly Sep 16, 2005 Michael Kelly reports on handy security uses for four open source tools: WebGoat, Firefox Web Developer, WebScarab, and Ethereal. By combining the tools in easy ways, testers can track down and close the gaping security holes that are often left in applications.

Preface to "Advanced Programming in the UNIX Environment, 3rd Edition" By W. Richard Stevens, Stephen A. Rago May 16, 2013 This preface to the highly-anticipated 3rd edition of Advanced Programming in the UNIX Environment, 3rd Edition contains Stephen Rago's current Introduction, his Introduction from the 2nd edition, and also W. Richard Stevens' original Introduction from the 1st edition.

Protect C++ Legacy Programs by Using Python By Stephen B. Morris Feb 11, 2014 Stephen B. Morris illustrates a simple way to execute C++ programs by using Python. This approach is lightweight and yet robust, taking advantage of Python's powerful exception-management facilities. Learn how to achieve deeper integration between C++ and Python, while addressing important design issues.

Putting the "Journey" in Journeyman Software Developer: An Interview with Corey Haines By Matthew Heusser, Corey Haines Jul 25, 2011 When it comes to putting the craft back into programming, a handful of names might come to mind, and Corey Haines is one of them. Matthew Heusser talked with Corey about software craft, his journeyman project, and that great big project he is working on next.

Robert C. Martin’s Clean Code Tip of the Week #1: An Accidental Doppelgänger in Ruby By Robert C. Martin Jan 7, 2009 Robert C. Martin investigates an interesting dilemma: if the implementation of two functions is identical, yet their intent is completely different, is it still duplicate code?

Setting Up a Private Docker Registry By Christopher Negus Jan 19, 2016 This chapter from Docker Containers: Build and Deploy with Kubernetes, Flannel, Cockpit, and Atomic explains how to create a private Docker registry in Fedora or Ubuntu, use the docker-registry package, use the registry container image, and understand the Docker image namespace.

Taming Batch Operations Using Perl: A Tale of One Application, a Group of Users, Two Languages, and a Few Tools By Philipp Janert Apr 13, 2007 In this tale of BRP/P and some of the people working with it, Philipp Janert looks at an old application originating from a mainframe system and describes how the differences in user interfaces result in different usage patterns.

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