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Articles: Andrey Karpov

Posts: Andrey Karpov

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#Cpp
Aug 04 2021
Static analysis protects your code from time bombs
Andrey Karpov
Static code analysis allows you to identify and eliminate many defects at an early stage. Moreover, it's possible to detect dormant errors that don't show themselves when they appear. They can...
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#Cpp
Jul 22 2021
A beautiful error in the implementation of the string concatenation function
Andrey Karpov
We, the PVS-Studio static code analyzer developers, have a peculiar view on beauty. On the beauty of bugs. We like to find grace in errors, examine them, try to guess how they appeared. Today we...
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#Release
May 31 2021
PVS-Studio 7.13: SQL injections, Blame Notifier, .NET 5
Andrey Karpov
The newest PVS-Studio static analyzer version will please you with these features: tainted data analysis, .NET 5 support. The Blame Notifier utility can now sort warnings by commit date.
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#Cpp
Apr 27 2021
PVS-Studio Learns What strlen is all about
Andrey Karpov
Somehow, it so happens that we write about our diagnostics, but barely touch upon the subject of how we enhance the analyzer's internal mechanics. So, for a change, today we'll talk about a...
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#Cpp
Mar 24 2021
How PVS-Studio prevents rash code changes
Andrey Karpov
You probably know we've just published a brief article about CovidSim. However, now we have a good excuse to think back to that project and demonstrate how regular PVS-Studio use can be...
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#Cpp
Mar 22 2021
One useful comment
Andrey Karpov
Most influential programmers say that code must be self-documenting. They find comments useful only when working with something uncommon. Our team shares this opinion. Recently we came across a...
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#Cpp
Mar 20 2021
Example of how new diagnostics appear in PVS-Studio
Andrey Karpov
Users sometimes ask how new diagnostics appear in the PVS-Studio static analyzer. We answer that we draw inspiration from a variety of sources: books, coding standards, our own mistakes, our...
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#Cpp
Mar 03 2021
PVS-Studio, Blender: series of notes on advantages of regular static analysis of code
Andrey Karpov
In our articles, we regularly repeat an important idea: a static analyzer should be used regularly. This helps detect and cheaply fix many errors at the earliest stage. It looks nice in theory. As...
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#Cpp
Feb 18 2021
Why PVS-Studio uses data flow analysis: based on gripping error in Open Asset Import Library
Andrey Karpov
An essential part of any modern static code analyzer is data flow analysis. However, from an outside perspective, the use of data flow analysis and its benefit is unclear. Some people still...
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Feb 17 2021
Power of PVS-Studio
Andrey Karpov
This is exactly the case when a reply to a comment turned into a small blog post. The power of the PVS-Studio analyzer is not only in finding particular errors but also in the process of finding...
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