30 free programming eBooks - citizen428.blog() Since this post got quite popular I decided to incorporate some of the excellent suggestions posted in the comments, so this list now has more than 50 books in it. BTW: I’m not very strict on the definition of “ebook”, some of them are really just HTML versions of books. [UPDATED: 2012-01-18] Learning a new programming language always is fun and there are many great books legally available for free online. Lisp/Scheme:Common Lisp: A Gentle Introduction to Symbolic ComputationHow to Design ProgramsInterpreting Lisp (PDF, suggested by Gary Knott)Let Over LambdaOn LispPractical Common LispProgramming in Emacs LispProgramming Languages. Ruby:The Bastards Book of Ruby (suggested by Dan Nguyen)Clever Algorithms (suggested by Tales Arvelos)Data Structures and Algorithms with Object-Oriented Design Patterns in RubyLearn Ruby the Hard WayLearn to ProgramMacRuby: The Definitive GuideMr. Erlang:Concurrent Programming in ErlangLearn You Some Erlang for Great Good
Making GIFs from Video Files with Python - __del__( self ) Sometimes producing a good animated GIF requires a few advanced tweaks, for which scripting can help. So I added a GIF export feature to MoviePy, a Python package originally written for video editing. For this demo we will make a few GIFs out of this trailer: You can download it with this command if you have Youtube-dl installed: Converting a video excerpt into a GIF In what follows we import MoviePy, we open the video file, we select the part between 1’22.65 (1 minute 22.65 seconds) and 1’23.2, reduce its size (to 30% of the original) and save it as a GIF: Cropping the image For my next GIF I will only keep the center of the screen. Freezing a region Many GIF makers like to freeze some parts of the GIF to reduce the file size and/or focus the attention on one part of the animation. In the next GIF we freeze the left part of the clip. Freezing a more complicated region Time-symetrization Surely you have noticed that in the previous GIFs, the end did not always look like the beginning.
Programming Methodology - Download free content from Stanford Introduction to Android Development Mobiletuts+ will be covering all major mobile platforms - iPhone, Windows, Android and Blackberry. Today we'll be taking a look at Android development: explaining why people have choosen to work with Android and providing an overview of the Eclipse IDE and its Java, DDMS and debugging perspectives. Finally, you'll learn how to get started making your first Android app! Android 101 Tutorials: What is Android? Android is an open source mobile operating system that combines and builds upon parts of many different open source projects. Why Android? There are many advantages to developing for the Android platform: Zero startup costs to begin development. Prerequisites before continuing with this article include: You must download and install the Eclipse IDE. The Eclipse IDE Eclipse is a complex, multi-language, and extensible Integrated Development Environment (IDE). After opening Eclipse for the first time, select a workspace to save your project within. The Java Perspective The DDMS Perspective
free tutorials Have you ever read through a chapter in one of those Learn Such and Such in 21 Seconds books and realized that somewhere along the way you had started daydreaming about how you would spend a trillion dollars if you were Bill Gates? Well, it happens to me all the time. Computer books are boring. In fact, most technical writing out there bites the big one and there's no sign that the situation is going to get any better in the near future. The really unfortunate thing about this predicament is that now, more than any other period in the history of computing, is when we really need good, clear writing out there. Whether the established priesthood of computer science likes it or not, the web has opened the flood gates and computer science is being secularized post haste. Well, the fact is that most people learning how to make a living on the web are not morons and if given the proper instructions can do just about everything they want to with their web sites, if not more.
Practical threaded programming with Python Introduction With Python, there is no shortage of options for concurrency, the standard library includes support for threading, processes, and asynchronous I/O. In many cases Python has removed much of the difficulty in using these various methods of concurrency by creating high-level modules such as asynchronous, threading, and subprocess. Outside of the standard library, there are third solutions such as twisted, stackless, and the processing module, to name a few. This article focuses exclusively on threading in Python, using practicle examples. It is important to first define the differences between processes and threads. Hello Python threads To follow along, I assume that you have Python 2.5 or greater installed, as many examples will be using newer features of the Python language that only appear in at least Python2.5. hello_threads_example If you run this example, you get the following output: The last three lines of code actually call the class and start the threads. #! Back to top
YouTube Playlists for Learning Programming YouTube has been very good platform for learning any thing. Earlier you have seen 400+ courses on YouTube and 130+ NPTEL courses. There are few more courses especially about computer programming. thenewboston: thenewboston is a great youtube channel, has more than 2o playlists covering topics Python, C, Java, iPhone development and web programming like HTML, CSS, PHP. Xoax.net Xoax has more than 200 videos but mainly focuses on C++. PHPacademy As the name suggests, it focuses mainly on PHP and some on MySql. There are more videos on small projects like writing your own search engine for your database, pagination, creating a rating system etc… Related posts: Get more stuff like this
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