In the C Programming Language, the #ifndef directive checks if the given token has been #defined earlier in the C code. If the token has not been defined earlier then it includes the code between #ifndef and #else. If no #else is present then code between ##ifndef and #endif is included.
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Learning programming is undeniably challenging. Achieving some level of mastery requires great focus and time. This applies to students pursuing degrees in computer science, veterans who can operate the GI Bill, aspiring self-taught programmers, and coding Bootcamp students. And even as mastering programming craft remains a perpetual struggle, it is something doable.
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TDD is a modern programming practice C developers need to know. It’s a different way to program—unit tests are written in a tight feedback loop with the production code, assuring your code does what you think. You get valuable feedback every few minutes. You find mistakes before they become bugs. You get early warning of design problems. You get immediate notification of side effect defects. You get to spend more time adding valuable features to your product.
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In the 4th edition, Cracking the Coding Interview gives you the interview preparation you need to get the top software developer jobs. This book provides 150 Programming Interview Questions and Solutions.
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The iPhone is the hottest gadget of our generation, and much of its success has been fueled by the App Store, Apple’s online marketplace for iPhone applications. Over 1 billion apps have been downloaded in the 9 months the App Store has been open, ranging from the simplest games to the most complex business apps.
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People consider computer programming a little tiresome but some find it more enjoyable. Every programmer has to keep up with the latest trends coming in the programming languages. Most of the programmers start programming in C as it is the most commonly used programming language for writing operating systems and applications.
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As a programmer I used different ways to improve my programming skills, like reading/writing code, working with experienced programmers and reading blogs and websites. I have listed few of the points here which in my opinion will be quite useful for novice programmers.
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There are always few little known or hidden features in each programming language. At StackOverflow.com someone started a series of posts “Hidden features of” programming languages. The Hidden Features series is great for people who are new to a certain language.
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