The-C-Programming-Language | The practices for K & R `` The C Programming Language | Learning library

 by   cloverstd C Version: Current License: No License

kandi X-RAY | The-C-Programming-Language Summary

kandi X-RAY | The-C-Programming-Language Summary

The-C-Programming-Language is a C library typically used in Tutorial, Learning applications. The-C-Programming-Language has no bugs, it has no vulnerabilities and it has low support. You can download it from GitHub.

The practices for K&R "The C Programming Language"
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              The-C-Programming-Language has a low active ecosystem.
              It has 5 star(s) with 1 fork(s). There are 1 watchers for this library.
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              It had no major release in the last 6 months.
              The-C-Programming-Language has no issues reported. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of The-C-Programming-Language is current.

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              The-C-Programming-Language has no bugs reported.

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              The-C-Programming-Language has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

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              The-C-Programming-Language does not have a standard license declared.
              Check the repository for any license declaration and review the terms closely.
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              Without a license, all rights are reserved, and you cannot use the library in your applications.

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              The-C-Programming-Language releases are not available. You will need to build from source code and install.

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            The-C-Programming-Language Key Features

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            The-C-Programming-Language Examples and Code Snippets

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            Community Discussions

            QUESTION

            Generating array of unique random numbers
            Asked 2019-Mar-12 at 13:08

            I am writing a function that is supposed to populate an array with random numbers from 0 to n (where n is passed argument to the function), but all numbers in array should be unique. I basically need to shuffle the array of numbers from 0 to n

            I found this answer here: Unique random numbers in an integer array in the C programming language

            And used the "Knuth Algorithm" suggested by user:

            ...

            ANSWER

            Answered 2019-Mar-12 at 12:54

            A C implementation example of the algoritm is as follows in the answer you quoted:

            Source https://stackoverflow.com/questions/55121772

            QUESTION

            Accurate C/C++ clock on a multi-core processor with auto-overclock?
            Asked 2017-Dec-27 at 12:20

            I have looked into several topics to try to get some ideas on how to make a reliable clock with C or C++. However, I also saw some functions used the processor's ticks and ticks per second to calculate the end result, which I think could be a problem on a CPU with auto-overclock like the one I have. I also saw one of them reset after a while, thus is not really reliable.

            The idea is to make a (preferably cross-platform) clock like an in-game one, with a precision better than a second in order to be able to add the elapsed time in the "current session" with the saved time at the end of the program. This would be to count the time spent on a console game that does not have an in-game clock, and on the long run to perhaps integrate it to actual PC games.

            It should be able to run without taking too much or all of the CPU's time (or a single core's time for multi-core CPUs) as it would be quite bad to use all these resources just for the clock, and also on systems with auto-overclock (which could otherwise cause inaccurate results).

            The program I would like to implement this feature into currently looks like this, but I might re-code it in C (since I have to get back to learning how to code in C++):

            ...

            ANSWER

            Answered 2017-Dec-26 at 15:38

            The std::chrono::high_resolution_clock seems to be what you are looking for. On most modern CPUs it is going to be steady monotonically increased clock which would not be affected by overclocking of the CPU.

            Just keep in mind that it can't be used to tell time. It is only good for telling the time intervals, which is a great difference. For example:

            Source https://stackoverflow.com/questions/47980498

            QUESTION

            Qt: Huge number of unique random quint64
            Asked 2017-Jun-16 at 16:21

            I have the following situation: I would like to generate M=500,000 unique random numbers between 1016 and 264-1. To simplify the situation, we can assume, that we need a number between 1 and N=264-1.

            I already found references to this question >here< and >here< and >here<.

            But I still have the feeling, that the methods mentioned in the references work if N is much smaller. I.e. it is no option to make a list of all numbers from 1 to N, mix them and take the first M. And somehow I think that there should be a much more effective way than try and error, since M<< N. And M<< N are always given. Therefore the algorithm has not to be good if N-M is small or even N=M. But somehow the big N gives me headache...

            Related to this problem I tried to expand qrand() to get a random `quint64 with

            ...

            ANSWER

            Answered 2017-Jun-16 at 16:21

            2^64-1 is a 64 bit number. DES uses a 64 bit block size. Using a fixed key, encrypt the numbers 0, 1, 2, 3, 4, ... with DES in ECB mode for as many numbers as you need. Because the inputs are unique and the key is fixed the 64-bit outputs are also guaranteed unique.

            If a 64-bit number is < 10^16 just reject it and go on to the next input integer. That will happen about 1 in every 1,800 numbers (2^64 / 10^16).

            If you record the key and the last number used you can add more numbers to the list as needed.

            I assume there is a C++ DES implementation you can run from Qt.

            Source https://stackoverflow.com/questions/44580984

            QUESTION

            How to not invoke warning: type specifier missing?
            Asked 2017-May-07 at 05:48

            I am reading "The C programming Language" by Brian W. Kernighan and Dennis M. Ritchie. In chapter 1.2 "Variables and Arithmetic Expressions" they demonstrate a simple Fahrenheit to Celsius converter program. When I compile the program (Terminal.app, macOS Sierra), I get this warning:

            ...

            ANSWER

            Answered 2017-May-06 at 10:02

            Just give main a return type:

            Source https://stackoverflow.com/questions/43819099

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

            Vulnerabilities

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