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A quick and straightforward tutorial that demonstrates how to generate random numbers in C language.

You can use the same functions to work with C++.

The motivation came from the need of my programming students, especially from courses not directly linked with computer science, such as those of Electrical Engineering....

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Random numbers are useful for a wide variety of situations, such as generating data encryption keys, simulating and modeling complex phenomena and selecting random samples from larger data sets.

Random numbers have also been used aesthetically, for example, in literature and music and for games and bets.

However, it is...

Linux is a multiuser operating system, and thanks to this several people may be authenticated and working on a particular machine at the same time.

To ensure safety, as good practice users do not share credentials in the same account, and each person will have their own access user. This means that best practices...

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Whether in a corporate, private or public environment, or in an academic environment, understanding the difference between methodology, method, process and technique is essential to achieve high levels of quality and productivity in your daily life.

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Threads, in C, C++, Java, PHP, Python or any other programming language, are independent execution flows from the same program.

Threads are functions that run at “background”, ie, while the program performs the main() function - in C, a thread may be running while main() in parallel.

So we can say that...

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Broadly, the concept of Reverse Engineering applied to systems and databases can be defined as: “the process of deriving the logical specifications of computer system components from their physical description (source code and tables, fields and indexes) with the help of automated tools”.

Software and...

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If you work with the PHP Framework Laravel, you know that installing your application in a default directory of a VPS account or a shared server, without changes, will force you to run the application leaving the root directory as it will need to access it by the subdirectory /public. For example:...

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Latency and bandwidth are two characteristics that can be measured in communication traffic between computational networks such as the internet.

One of the most misunderstood concepts in network is speed and capacity. Many people believe that speed and capacity are the same thing. When you hear someone say “my...