@ -398,7 +398,6 @@ That section got so big, we decided to split it into its own file, the [BY SUBJE
* [10 PRINT CHR$(205.5+RND(1)); : GOTO 10 ](http://10print.org ) - Nick Montfort, Patsy Baudoin, John Bell, Ian Bogost, Jeremy Douglass, Mark C. Marino, Michael Mateas, Casey Reas, Mark Sample, Noah Vawter
* [10 PRINT CHR$(205.5+RND(1)); : GOTO 10 ](http://10print.org ) - Nick Montfort, Patsy Baudoin, John Bell, Ian Bogost, Jeremy Douglass, Mark C. Marino, Michael Mateas, Casey Reas, Mark Sample, Noah Vawter
* [A beginner's guide to Gambas ](http://distro.ibiblio.org/vectorlinux/Uelsk8s/GAMBAS/gambas-beginner-guide.pdf ) - John W. Rittinghouse (PDF)
* [A beginner's guide to Gambas ](http://distro.ibiblio.org/vectorlinux/Uelsk8s/GAMBAS/gambas-beginner-guide.pdf ) - John W. Rittinghouse (PDF)
* [Pick/Basic: A Programmer's Guide ](http://www.jes.com/pb/ ) - Jonathan E. Sisk
* [Pick/Basic: A Programmer's Guide ](http://www.jes.com/pb/ ) - Jonathan E. Sisk
* [Visual Basic Essentials ](http://www.techotopia.com/index.php/Visual_Basic_Essentials )
### BeanShell
### BeanShell
@ -461,7 +460,6 @@ That section got so big, we decided to split it into its own file, the [BY SUBJE
### C Sharp
### C Sharp
* [C# Essentials ](http://www.techotopia.com/index.php/C_Sharp_Essentials )
* [C# Notes for Professionals ](http://goalkicker.com/CSharpBook/ ) - Compiled from StackOverflow documentation (PDF)
* [C# Notes for Professionals ](http://goalkicker.com/CSharpBook/ ) - Compiled from StackOverflow documentation (PDF)
* [C# Programming ](https://en.wikibooks.org/wiki/C_Sharp_Programming ) - Wikibooks
* [C# Programming ](https://en.wikibooks.org/wiki/C_Sharp_Programming ) - Wikibooks
* [C# Programming Yellow Book ](https://www.robmiles.com/s/CSharp-Book-2019-Refresh.pdf ) - Rob Miles (PDF) (2019)
* [C# Programming Yellow Book ](https://www.robmiles.com/s/CSharp-Book-2019-Refresh.pdf ) - Rob Miles (PDF) (2019)
@ -972,7 +970,6 @@ That section got so big, we decided to split it into its own file, the [BY SUBJE
### iOS
### iOS
* [Cocoa Dev Central ](http://cocoadevcentral.com )
* [Cocoa Dev Central ](http://cocoadevcentral.com )
* [iOS 8 App Development Essentials ](http://www.techotopia.com/index.php/IOS_8_App_Development_Essentials )
* [iOS Developer Notes for Professionals ](https://goalkicker.com/iOSBook/ ) - Compiled from StackOverflow Documentation (PDF)
* [iOS Developer Notes for Professionals ](https://goalkicker.com/iOSBook/ ) - Compiled from StackOverflow Documentation (PDF)
* [iOS Succinctly, Syncfusion ](https://www.syncfusion.com/resources/techportal/ebooks/ios ) (PDF, Kindle) (email address *requested* , not required)
* [iOS Succinctly, Syncfusion ](https://www.syncfusion.com/resources/techportal/ebooks/ios ) (PDF, Kindle) (email address *requested* , not required)
* [NSHipster ](http://nshipster.com/#archive ) (Resource)
* [NSHipster ](http://nshipster.com/#archive ) (Resource)
@ -1411,13 +1408,11 @@ That section got so big, we decided to split it into its own file, the [BY SUBJE
* [Automated Linux From Scratch ](http://www.linuxfromscratch.org/alfs/download.html )
* [Automated Linux From Scratch ](http://www.linuxfromscratch.org/alfs/download.html )
* [Getting Started with Ubuntu ](http://ubuntu-manual.org )
* [Getting Started with Ubuntu ](http://ubuntu-manual.org )
* [GNU Autoconf, Automake and Libtool ](http://www.sourceware.org/autobook/download.html )
* [GNU Autoconf, Automake and Libtool ](http://www.sourceware.org/autobook/download.html )
* [GTK+/Gnome Application Development ](http://www.linuxtopia.org/online_books/gui_toolkit_guides/gtk+_gnome_application_development/ )
* [Hardened Linux From Scratch ](http://www.linuxfromscratch.org/hlfs/download.html )
* [Hardened Linux From Scratch ](http://www.linuxfromscratch.org/hlfs/download.html )
* [Kali Linux 2018: Assuring Security by Penetration Testing, Fourth Edition ](https://www.packtpub.com/free-ebooks/kali-linux-2018-assuring-security-penetration-testing-fourth-edition ) - Shiva V. N Parasram, Alex Samm, Damian Boodoo, Gerard Johansen, Lee Allen, Tedi Heriyanto, Shakeel Ali (Packt account *required* )
* [Kali Linux 2018: Assuring Security by Penetration Testing, Fourth Edition ](https://www.packtpub.com/free-ebooks/kali-linux-2018-assuring-security-penetration-testing-fourth-edition ) - Shiva V. N Parasram, Alex Samm, Damian Boodoo, Gerard Johansen, Lee Allen, Tedi Heriyanto, Shakeel Ali (Packt account *required* )
* [Kali Linux: Professional Penetration-Testing Distribution ](http://docs.kali.org )
* [Kali Linux: Professional Penetration-Testing Distribution ](http://docs.kali.org )
* [Learning Debian GNU/Linux ](http://www.oreilly.com/openbook/debian/book/index.html )
* [Learning Debian GNU/Linux ](http://www.oreilly.com/openbook/debian/book/index.html )
* [Linux 101 Hacks ](http://thegeekstuff.s3.amazonaws.com/files/linux-101-hacks.zip ) - Ramesh Natarajan (PDF)
* [Linux 101 Hacks ](http://thegeekstuff.s3.amazonaws.com/files/linux-101-hacks.zip ) - Ramesh Natarajan (PDF)
* [Linux Administrator's Security Guide ](http://www.linuxtopia.org/online_books/linux_administrators_security_guide/index.html )
* [Linux Advanced Routing & Traffic Control HOWTO ](http://lartc.org )
* [Linux Advanced Routing & Traffic Control HOWTO ](http://lartc.org )
* [Linux Appliance Design: A Hands-On Guide to Building Linux Appliances ](http://librta.org/book.html ) - Bob Smith, John Hardin, Graham Phillips, Bill Pierce (PDF, EPUB, MOBI)
* [Linux Appliance Design: A Hands-On Guide to Building Linux Appliances ](http://librta.org/book.html ) - Bob Smith, John Hardin, Graham Phillips, Bill Pierce (PDF, EPUB, MOBI)
* [Linux commands Notes for Professionals ](https://goalkicker.com/LinuxBook/ ) - Compiled from StackOverflow documentation (PDF)
* [Linux commands Notes for Professionals ](https://goalkicker.com/LinuxBook/ ) - Compiled from StackOverflow documentation (PDF)
@ -1427,9 +1422,7 @@ That section got so big, we decided to split it into its own file, the [BY SUBJE
* [Linux Inside ](https://0xax.gitbooks.io/linux-insides/content/index.html )
* [Linux Inside ](https://0xax.gitbooks.io/linux-insides/content/index.html )
* [Linux Kernel in a Nutshell ](http://www.kroah.com/lkn/ )
* [Linux Kernel in a Nutshell ](http://www.kroah.com/lkn/ )
* [Linux Newbie Administrator Guide ](http://lnag.sourceforge.net )
* [Linux Newbie Administrator Guide ](http://lnag.sourceforge.net )
* [Linux Security for Beginners ](http://www.linuxtopia.org/LinuxSecurity/index.html )
* [Linux Succinctly, Syncfusion ](https://www.syncfusion.com/resources/techportal/ebooks/linux ) (PDF, Kindle) (email address *requested* , not required)
* [Linux Succinctly, Syncfusion ](https://www.syncfusion.com/resources/techportal/ebooks/linux ) (PDF, Kindle) (email address *requested* , not required)
* [Red Hat Enterprise Linux 6 Essentials ](http://www.techotopia.com/index.php/Red_Hat_Enterprise_Linux_6_Essentials )
* [Secure Programming HOWTO - Creating Secure Software ](http://www.dwheeler.com/secure-programs/ ) - D. A. Wheeler (HTML, PDF)
* [Secure Programming HOWTO - Creating Secure Software ](http://www.dwheeler.com/secure-programs/ ) - D. A. Wheeler (HTML, PDF)
* [Ten Steps to Linux Survival: Bash for Windows People ](http://dullroar.com/book/TenStepsToLinuxSurvival.html ) - Jim Lehmer
* [Ten Steps to Linux Survival: Bash for Windows People ](http://dullroar.com/book/TenStepsToLinuxSurvival.html ) - Jim Lehmer
* [The Debian Administrator's Handbook ](https://debian-handbook.info )
* [The Debian Administrator's Handbook ](https://debian-handbook.info )
@ -1560,7 +1553,6 @@ That section got so big, we decided to split it into its own file, the [BY SUBJE
### MySQL
### MySQL
* [MySQL 8.0 Tutorial Excerpt ](https://dev.mysql.com/doc/mysql-tutorial-excerpt/8.0/en/tutorial.html ) (HTML) [(PDF) ](https://downloads.mysql.com/docs/mysql-tutorial-excerpt-8.0-en.pdf )
* [MySQL 8.0 Tutorial Excerpt ](https://dev.mysql.com/doc/mysql-tutorial-excerpt/8.0/en/tutorial.html ) (HTML) [(PDF) ](https://downloads.mysql.com/docs/mysql-tutorial-excerpt-8.0-en.pdf )
* [MySQL Essentials ](http://www.techotopia.com/index.php/MySQL_Essentials )
* [MySQL Notes for Professionals ](https://goalkicker.com/MySQLBook/ ) - Compiled from StackOverflow Documentation (PDF)
* [MySQL Notes for Professionals ](https://goalkicker.com/MySQLBook/ ) - Compiled from StackOverflow Documentation (PDF)
@ -2090,14 +2082,12 @@ That section got so big, we decided to split it into its own file, the [BY SUBJE
* [Practicing Ruby ](https://github.com/elm-city-craftworks/practicing-ruby-manuscripts )
* [Practicing Ruby ](https://github.com/elm-city-craftworks/practicing-ruby-manuscripts )
* [Programming Ruby ](http://ruby-doc.com/docs/ProgrammingRuby/ )
* [Programming Ruby ](http://ruby-doc.com/docs/ProgrammingRuby/ )
* [Ruby Best Practices ](https://github.com/practicingruby/rbp-book/tree/gh-pages/pdfs ) - Gregory Brown (PDF)
* [Ruby Best Practices ](https://github.com/practicingruby/rbp-book/tree/gh-pages/pdfs ) - Gregory Brown (PDF)
* [Ruby Essentials ](http://www.techotopia.com/index.php/Ruby_Essentials )
* [Ruby Hacking Guide ](http://ruby-hacking-guide.github.io )
* [Ruby Hacking Guide ](http://ruby-hacking-guide.github.io )
* [Ruby in Twenty Minutes ](https://www.ruby-lang.org/en/documentation/quickstart/ )
* [Ruby in Twenty Minutes ](https://www.ruby-lang.org/en/documentation/quickstart/ )
* [Ruby Koans ](http://www.rubykoans.com )
* [Ruby Koans ](http://www.rubykoans.com )
* [Ruby Learning ](http://rubylearning.com )
* [Ruby Learning ](http://rubylearning.com )
* [Ruby Notes for Professionals ](https://goalkicker.com/RubyBook/ ) - Compiled from StackOverflow Documentation (PDF)
* [Ruby Notes for Professionals ](https://goalkicker.com/RubyBook/ ) - Compiled from StackOverflow Documentation (PDF)
* [Ruby one-liners cookbook ](https://learnbyexample.github.io/learn_ruby_oneliners/ ) - Sundeep Agarwal
* [Ruby one-liners cookbook ](https://learnbyexample.github.io/learn_ruby_oneliners/ ) - Sundeep Agarwal
* [Ruby Programming ](http://www.linuxtopia.org/online_books/programming_books/ruby_tutorial/ )
* [Ruby Style Guide ](https://github.com/airbnb/ruby ) - Airbnb
* [Ruby Style Guide ](https://github.com/airbnb/ruby ) - Airbnb
* [Ruby User's Guide ](https://ruby-doc.org/docs/ruby-doc-bundle/UsersGuide/rg/index.html )
* [Ruby User's Guide ](https://ruby-doc.org/docs/ruby-doc-bundle/UsersGuide/rg/index.html )
* [Ruby Web Dev: The Other Way ](https://leanpub.com/rwdtow/read ) - Yevhen Kuzminov
* [Ruby Web Dev: The Other Way ](https://leanpub.com/rwdtow/read ) - Yevhen Kuzminov
@ -2453,7 +2443,6 @@ That section got so big, we decided to split it into its own file, the [BY SUBJE
### Visual Basic
### Visual Basic
* [Visual Basic .NET Notes for Professionals ](https://goalkicker.com/VisualBasic_NETBook/ ) - Compiled from StackOverflow Documentation (PDF)
* [Visual Basic .NET Notes for Professionals ](https://goalkicker.com/VisualBasic_NETBook/ ) - Compiled from StackOverflow Documentation (PDF)
* [Visual Basic Essentials ](http://www.techotopia.com/index.php/Visual_Basic_Essentials )
* [Visual Basic Official Docs ](https://docs.microsoft.com/en-us/dotnet/visual-basic )
* [Visual Basic Official Docs ](https://docs.microsoft.com/en-us/dotnet/visual-basic )