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Posts: #Knowledge

Posts: # Knowledge

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#Knowledge #StaticAnalysis
Aug 30 2012
Feelings confirmed by numbers
Andrey Karpov
For a long time I was worried by some articles on the Internet in which the authors tried to judge about the usefulness of static code analyzers relying on analysis of small...
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#Cpp #Knowledge
Apr 11 2012
Wade not in unknown waters. Part three
Andrey Karpov
I'm going on to tell you about how programmers walk on thin ice without even noticing it. Let's speak on shift operators <<, >>. The working principles of the shift operators are evident and...
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#Cpp #Knowledge #Security
Feb 01 2012
Wade not in unknown waters. Part two
Andrey Karpov
This time I want to speak on the 'printf' function. Everybody has heard of software vulnerabilities and that functions like 'printf' are outlaw. But it's one thing to know that you'd better not...
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#Cpp #Knowledge
Jan 27 2012
Wade not in unknown waters. Part one
Andrey Karpov
We decided to write several small posts on how C/C++ programmers play with fire without knowing it. The first post will be devoted to an attempt to explicitly call a...
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#Cpp #Knowledge
Jan 17 2012
Overwriting memory - why?
Andrey Karpov
We decided to publish this article in our knowledge base to show programmers how easily private data can get out of the program handling them. There is the V597 diagnostic rule in PVS-Studio...
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#Knowledge #StaticAnalysis
Nov 02 2011
Myths about static analysis. The second myth - expert developers do not make silly mistakes
Andrey Karpov
While communicating with people on forums, I noticed there are a few lasting misconceptions concerning the static analysis methodology. I decided to write a series of brief articles where I want...
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#Cpp #Knowledge
Mar 30 2011
An eternal question of timing
Andrey Karpov
It seemed that long forum debates about methods of measuring algorithm's running time, functions to use and precision that should be expected were over. Unfortunately, we have to return to...
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#Cpp #Knowledge
Feb 13 2011
Is it reasonable to use the prefix increment operator ++it instead of postfix operator it++ for iterators?
Andrey Karpov
I decided to find out if there is practical sense in writing ++iterator instead of iterator++, when handling iterators. My interest in this question arose not from my love of art, but...
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#Cpp #Knowledge #StaticAnalysis
Dec 09 2010
Static analysis and regular expressions
Andrey Karpov
I develop the PVS-Studio static code analyzer intended for analyzing C/C++ software. After we implemented general analysis in PVS-Studio 4.00, we received a lot of responses, both positive...
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#Cpp #Knowledge
Aug 18 2010
64-bit programs and floating-point calculations
Andrey Karpov
A developer who is porting his Windows-application to the 64-bit platform sent a letter to our support service with a question about using floating-point calculations. By his permission we...
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