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Posts: #Knowledge

Posts: # Knowledge

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#Cpp #Knowledge
May 05 2017
2038: only 21 years away
Jonathan Corbet
Sometimes it seems that things have gone relatively quiet on the year-2038 front. But time keeps moving forward, and the point in early 2038 when 32-bit time_t values can no longer represent...
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#Knowledge #StaticAnalysis
Apr 14 2017
A post about static code analysis for project managers, not recommended for the programmers
Andrey Karpov
If you consider yourself a good programmer or at least you think your level is above average, I do not recommend reading this article. This article is meant for the managers of software projects...
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#Cpp #Knowledge #StaticAnalysis
Mar 20 2017
The way static analyzers fight against false positives, and why they do it
Andrey Karpov
In my previous article I wrote that I don't like the approach of evaluating the efficiency of static analyzers with the help of synthetic tests. In that article, I give the example of a code...
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#Knowledge
Mar 14 2017
The last line effect explained
Andrey Karpov, Moritz Beller, Rolf A. Zwaan, Andy Zaidman
Micro-clones are tiny duplicated pieces of code; they typically comprise only few statements or lines. In this paper, we study the "Last Line Effect," the phenomenon that the last line or...
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#Cpp #Knowledge
Feb 15 2017
About optimizations
Vladimir Tatarchevskij
Verifying the recommendation "Don't do the compilers job" from the book "The Ultimate Question of Programming, Refactoring, and Everything".
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#Cpp #Knowledge #StaticAnalysis
Feb 06 2017
Why I Dislike Synthetic Tests
Andrey Karpov
I don't like it when people use artificial code examples to evaluate the diagnostic capabilities of static code analyzers. There is one particular example I'm going to discuss to explain my...
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#CSharp #Knowledge
Jan 27 2017
How to capture a variable in C# and not to shoot yourself in the foot
Ivan Kishchenko
Back in 2005, with the release of C# 2.0 standard we got a possibility to pass a variable to the body of an anonymous delegate by capturing it from the current context. In 2008 the C# 3.0 brought...
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#Cpp #Knowledge #StaticAnalysis
Jan 12 2017
How PVS-Studio does the bug search: methods and technologies
Andrey Karpov
PVS-Studio is a static code analyzer, that searches for errors and vulnerabilities in programs written in C, C++ and C#. In this article, I am going to uncover the technologies that we use...
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#CSharp #Knowledge
Nov 18 2016
Virtual events in C#: something went wrong
Sergey Khrenov
Not so long ago I was working on a new C# diagnostic - V3119 - for the PVS-Studio static code analyzer. The function of this diagnostic is to detect potentially unsafe constructions in the...
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#CSharp #Knowledge
Oct 07 2016
Why using finalizers is a bad idea
Ilya Ivanov
Not so long ago we worked on a diagnostic rule related to the finalizer check. This provoked an argument on the details of the garbage collector work and the finalization of objects. Although we...
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