One of the most common interview questions for software professionals is "How do you find a loop in a singly linked list?". Most of the people tend to think in the recursive way to solve this problem. The truth is that the most optimal solution for this problem lies out of the scope of the linked list...
Obfuscated code is source code that is (usually intentionally) very hard or ambiguous to read and understand with extraneous information. Some languages are more prone to obfuscation than others. C, C++ and Perl are most often cited as easily obfuscatable languages. Macro preprocessors are often used to create hard-to-read code by masking the standard language syntax and grammar from the main body of code.
Code is sometimes obfuscated deliberately for recreational purposes. There are programming contests which reward the most creatively obfuscated code. The contest for C code obfuscation is "The
International Obfuscated C Code Contest".
This article is actually a followup for the entry of Ozgur Macit, on his blog called 'Is C a vitamin? He criticies the missing features of C, importance of C and the teaching of C for Engineering students.
The C programming language was designed by Dennies Ritchie in the early 1970s at Bell Laboratories. It was first used system implementation language for the nascent Unix operating system. The main reason to devised C was to overcome the limitations of B. It was Derived from the type-less language BCPL ((Basic Combined Programming Language). C was was the evolution of B and BCPL by incorporating type checking. It was originally intended for use in writing compilers for other languages.
C++ was devised by Bjarne Stroustrup in 1983 at Bell Laboratories. It is an extension of C by adding some enhancements to C language. Bjarne combined the simula's(a language designed for making simulations, created by Ole-Johan Dahl and Kristen Nygaard) features of object oriented and the efficiency of C. The new features added to language are templates, namespaces, exception handling and use of standary library...
As about ten years ago, C was the most popular programming language being used. Programmers wrote C code for PCs, mainframes, and supercomputers. C was standardized so that the same program would run on every kind of computer using every kind of operating system available.
Today, the use of C has dramatically decreased. Rarely will a project be written in C. Programmers are using languages such as C++ and Java to create applications that run on standalone, networked, and Internet-based machines. Yet, when learning to program, C is considered to be the one language it is imperative a programmer master before moving on to the other languages in use today...
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