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Posts: C++ articles

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#Cpp
Apr 16 2024
Static analyzer nudges you to write clean code
Andrey Karpov
Static analyzers help not only detect errors and security flaws but also make code cleaner. Analyzers find redundant checks, duplicate actions, and other anomalies — they give the opportunity to...
...
#Cpp #Knowledge
Apr 05 2024
How not to check array size in C++
Mikhail Gelvikh
How often do you see the sizeof(array)/sizeof(array[0]) statement used to get the size of an array? I really hope it's not too often, because it's 2024 already. In this note, we'll talk about...
...
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#Cpp
Mar 07 2024
Parable of null pointer for indolent C programmers
Andrey Karpov
I agree that a memory allocation error with malloc is quite rare case, and after such an error it's most likely that the program can't fully function. But I'm bewildered how programmers...
...
#Cpp
Mar 04 2024
Let's check Blender
Alexey Gorshkov
The PVS-Studio headquarters: "Time flies by so fast... This year, on January 2, Blender turned 30 years old! It feels like just yesterday we published an article on checking the project... What...
...
#Cpp
Feb 20 2024
Why it is bad idea to check result of malloc call with assert
Andrey Karpov
The pointer returned by malloc needs to be checked before use. Using the assert macro to check the pointer would be wrong. In this article, we'll investigate why this is a bad programming...
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#Cpp #Knowledge
Feb 06 2024
Shall we check pointer for NULL before calling free function?
Andrey Karpov
The short answer is no. However, since this question keeps popping up on Reddit, Stack Overflow, and other websites, it's time to address the topic. There are a lot of interesting things to...
...
#Cpp
Feb 01 2024
Qt Creator* in search of Qt Creator bugs
Mikhail Gelvikh
Strange things happen: for almost a year, PVS-Studio has a plugin for Qt Creator. However, we haven't yet published a good old article with the IDE check. We've made amends and invite you to see...
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#Cpp #GameDev
Jan 26 2024
Off we go! Digging into the game engine of War Thunder and interviewing its devs
Anton Tretyakov
As Yuri Gagarin once said, "In the future, we will fly, we will fly a lot". To some extent, Gaijin's Dagor Engine makes these flights possible. Let's get a glimpse of the engine's innards and...
...
#Cpp
Dec 20 2023
A hard quiz to crack for C++ programmers by Sergei Kushnirenko
Boris Novoselov
Hello, fun seekers and brainstorming enthusiasts! It's the PVS-Studio team. Now you have an opportunity to pass a new awesome quiz on our website. It has challenging questions from the...
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#Cpp
Dec 19 2023
New Year's Eve show: Top 10 errors in C and C++ projects in 2023
Alexey Gorshkov
It's December, the first snow has already fallen, and it means New Year's Eve is around the corner. Ahead of the holidays, we'll show you the most interesting errors found in the code of the...
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