Learn how to program in Python while making and breaking ciphers—algorithms used to create and send secret messages! 

After a crash course in Python programming basics, you’ll learn to make, test, and hack programs that encrypt text with classical ciphers like the transposition cipher and Vigenère...

This workbook is an additional set of exercises to supplement those already in Learning Perl, Sixth Edition. The chapter and page references apply only to that edition. Additionally, unless I denote otherwise, Learning Perl without qualification means the sixth edition. That book already contains some exercises, and I try to cover the topics...

• Monitor almost anything in a network.
• Control notifications in your network by configuring Nagios Core.
• Get a handle on best practices and time-saving configuration methods for a leaner...

Get up to speed on all the topics and themes of the AP exam in a focused, step-by-step manner. Beginning with an exam overview and ways to get the most out of an AP English...

Every modern operating system has at least one shell and some have many. Some shells are command-line oriented, such as the shell discussed in this book. Others are graphical, like Windows Explorer or the Macintosh Finder. Some users will interact with the shell only long enough to launch their favorite application, and then never emerge from...

If you’re looking to saw a beautiful women in...

You're not alone. At any given moment, somewhere in the world someone struggles with the same software design problems you have. You know you don't want to reinvent the wheel (or worse, a flat tire), so you look to Design Patterns--the lessons learned by those who've faced the same problems. With Design Patterns, you get to take...

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