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As CPU cores become both faster and more numerous, the limiting factor for most programs is now, and will be for some time, memory access. Hardware designers have come up with ever more sophisticated memory handling and acceleration techniques-such as CPU caches-but these cannot work optimally without some help from the programmer. Unfortunately, neither the structure nor the cost of using the memory subsystem of a computer or the caches on CPUs is well understood by most programmers. This paper explains the structure of memory subsys- tems in use on modern commodity hardware, illustrating why CPU caches were developed, how they work, and what programs should do to achieve optimal performance by utilizing them.

Yes, you've guessed correctly - the answer is "42". In this article you will find 42 recommendations about coding in C++ that can help a programmer avoid a lot of errors, save time and effort. The author is Andrey Karpov - technical director of "Program Verification Systems", a team of developers, working on PVS-Studio static code analyzer. Having checked a large number of open source projects, we have seen a large variety of ways to shoot yourself in the foot; there is definitely much to share with the readers. Every recommendation is given with a practical example, which proves the currentness of this question. These tips are intended for C/C++ programmers, but usually they are universal, and may be of interest for developers using other languages.

Take a little action each day to transform yourself into the ideal programmer.

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The Object Oriented Programming Web publishes FREE programming and computer science tutorials, lecture notes, course slides and e-books. OOPWeb.com is a great resource for all programmers and computer science students, but it's especially popular among those who are interested in C++, Java and Object Oriented Programming.

"U++ is a C++ cross-platform rapid application development framework focused on programmers productivity. It includes a set of libraries (GUI, SQL, etc..), and an integrated development environment."

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Performance is essential for infrastructure software. Modern infrastructure software depends heavily on components. Therefore, writing performant code in this environment requires deep understanding of the characteristics of such components. The course will help programmers to improve performance of their code by learning how to use these existing generic components effectively. In addition, it will teach them to extend the library with new high-performance components. Along the way, participants will learn how to use C++ as a high-performance language. The course will be taught interactively with the class discussing, discovering, and developing components together.

Many programmers are very fond of blaming the compiler for different errors. Let's talk about it.

My name is Andrey Karpov. I develop software for developers, and I'm fond of writing articles on code quality issues. In this connection, I have met the wonderful man Walter Bright who has created the D language. In the form of an interview, I will try to learn from him how the D language helps programmers get rid of errors we all make when writing code.

One of the largest UReddit classes to date, Introduction to C++ by user Skyeshatter (sarevok9 on Reddit) consists of a series of 46 video lectures on the C++ programming language, aimed at the novice programmer. In the teacher's own words,

It is an open-source testing framework for java programmers. The java programmer can create test cases and test his/her own code. It is one of the unit testing framework. Current version is junit4. To perform unit testing, we need to create test cases.

I find this question pretty strange. The answer is yes, of course, and that will be so for a long time. But I'm asked this question from time to time at conferences or when communicating with developers on forums. I've decided to answer this question in the form of a brief post so that I could just refer people to it in the future.