Head First C

Head First C

David Griffiths, Dawn Griffiths

Language: English

Pages: 632

ISBN: 1449399916

Format: PDF / Kindle (mobi) / ePub

Head First C

David Griffiths, Dawn Griffiths

Language: English

Pages: 632

ISBN: 1449399916

Format: PDF / Kindle (mobi) / ePub


Ever wished there was an easier way to learn C from a book? Head First C is a complete learning experience that will show you how to create programs in the C language. This book helps you learn the C language with a unique method that goes beyond syntax and how-to manuals and helps you understand how to be a great programmer. You'll learn key areas such as language basics, pointers and pointer arithmetic, and dynamic memory management, and with advanced topics such as multi-threading and network programming, Head First C can be used as an accessible text book for a college-level course.
Also, like a college course, the book features labs: projects intended to stretch your abilities, test your new skills, and build confidence. You'll go beyond the basics of the language and learn how to use the compiler, the make tool and the archiver to tackle real-world problems.
We think your time is too valuable to waste struggling with new concepts. Using the latest research in cognitive science and learning theory to craft a multi-sensory learning experience, Head First C uses a visually rich format designed for the way your brain works, not a text-heavy approach that puts you to sleep.

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count by 1. Otherwise … Is it a 10, J, Q, or K ? Decrease the count by 1. How do we check that it is >= 3 and <= 6? Is that two checks? How difficult would this be to write in C? You’ve looked at how to make a single test, but the card-counting algorithm needs to check multiple conditions: you need to check that a number is >= 3 as well as checking that it’s <= 6. You need a set of operations that will allow you to combine conditions together. you are here 4   17 what condition the condition

“not” 18   Chapter 1 answer_phone(); In fact, C programs often use this as a shorthand way of checking if something is not 0. getting started with c You are going to modify the program so that it can be used for card counting. It will need to display one message if the value of the card is from 3 to 6. It will need to display a different message if the card is a 10, Jack, Queen, or King. int main() { char card_name[3]; puts("Enter the card_name: "); scanf("%2s", card_name); int val = 0; if

application. But after a few days, a problem creeps in. I dropped the GPS unit on a ride a couple of times, and now the map won’t display. So what happened here? The problem is that there was some bad data in the GPS data file: {latitude: 42.363255, longitude: -71.096710, info: 'Speed = 17'}, {latitude: 423.63182, longitude: -71.095833, info: 'Speed = 22'}, The decimal point is in the wrong place in this number. But the geo2json program doesn’t do any checking of the data it reads; it just

do that without needing to recompile the program each time? 140   Chapter 3 ufos.csv disappearances.csv other.csv creating small tools There’s more to main() The thing is, any program you write will need to give the user the ability to change the way it works. If it’s a GUI program, you will probably need to give it preferences. And if it’s a command-line program, like our categorize tool, it will need to give the user the ability to pass it command-line arguments: This is the first word

runs, the following files are produced: 146   Chapter 3 creating small tools 28.304380,-74.575195,Type=UFO If you run elvises.txt through geo2json, you can display it on a map. 26.224447,-71.477051,Type=UFO aliens.csv 30.685163,-68.137207,Type=Yeti 29.132971,-71.136475,Type=Ship 27.868217,-68.005371,Type=Goatsucker 30.496017,-73.333740,Type=Disappearance 29.401320,-66.027832,Type=Ship the_rest.csv 28.343065,-62.753906,Type=Elvis 37.879536,-69.477539,Type=Elvis

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