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Understanding Python Basics
Feb 3, 2016
In this chapter from Python Programming for Raspberry Pi, Sams Teach Yourself in 24 Hours, 2nd Edition, you will learn some Python basics, such as using the print function to display output. You will read about using variables and how to assign values to variables, and you will gain an understanding of their data types. By the end of this chapter, you will know how to get data into a script by using the input function and write your first Python script!
Setting Up a Private Docker Registry
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.
Linux File Management Basics
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.
Learn Ruby the Hard Way: A Good First Program
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
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
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.
Protect C++ Legacy Programs by Using Python
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.
Advanced Debugging in the Linux Environment
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.
How to Store Text in Strings in Python
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.
Why I’m a Part of PyLadies
Oct 15, 2013
Katie Cunningham talks about PyLadies, why she got involved, and why you should consider joining, too.
Using Threads within a UNIX Process
Jun 18, 2013
This chapter, from Advanced Programming in the UNIX Environment, 3rd Edition, looks inside a UNIX process to see how multiple threads can be used to perform multiple tasks within the environment of a single process.
Preface to "Advanced Programming in the UNIX Environment, 3rd Edition"
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.
Putting the "Journey" in Journeyman Software Developer: An Interview with 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.
Eloquent Ruby: An Interview with 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
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
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.
The Meta-Guide To Learning Ruby
Feb 1, 2011
Really mastering a new programming language, certainly one as flexible and fluid as Ruby, is not easy. Russ Olsen offers some tips to ease the pain and speed yourself down the road to Ruby mastery.
Getting Started with the Linux Kernel
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.
"D"iving Into the D Programming Language
Jul 29, 2009
Andrei Alexandrescu dives into explaining the basics of the D programming language.
Robert C. Martin’s Clean Code Tip of the Week #1: An Accidental Doppelgänger in Ruby
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?

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