J for C Programmers
by Henry Rich
Publisher: Jsoftware 2008
This book's goal is to explain rudimentary J using language familiar to a C programmer. J is a language of computation: it lets you describe what needs to be done without getting bogged down in details. J expressions deal with large blocks of data.
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by Nick Parlante - Stanford University
This is a 31 page introduction to programming with pointers and memory in C, C++ and other languages. It explains how pointers and memory work and how to use them -- from the basic concepts through all the major programming techniques.
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APL is a high-level, general-purpose, intuitive programming language which is designed to be easy on the programmer even if consequently hard on the computer - through power, not inefficiency. APL is essentially simple and easy to learn.
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