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Questions tagged [false-positive]

False positive is the case where the positive result of a test doesn't correspond to reality. It can lead to the wrong decision.

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How to calculate False Positive Rate (FPR) if sum of False Positve and True Negative is Zero?

I am working on performance measuring and trying to draw a ROC curve, however to draw ROC curve i need TPR and FPR. As we know, False Positive Rate (FPR) = FP / (FP + TN) I have got values of TN and FP both equal to 0, so how can i calculate FPR…
Md. Nahiduzzaman Rose
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Resharper - False positive warning on possible assignment of Null to not-null Attribute

In the code below, the last two references to key are flagged by Resharper, even though Resharper ought to know that key will not be null. First, the string property is check for Null, Empty, or Whitespace and the block skipped if any of those…
Zarepheth
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VBA32 claims that FlashDevelop is suspected of ZIP.MailBomb

I just downloaded FlashDevelop from flashdevelop.org and uploaded it to Virustotal. Here are the results. As you can see, VBA32 claims that the file is "suspected of ZIP.MailBomb". What does it mean ? Can I safely install FlashDevelop on my PC ?
Robert777
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Changing file association creates malware false positive

I am trying to build an installer for my program using Inno Setup Compiler, but when I add the following lines to create a file association, the installer is detected and isolated by windows defender on Windows 10. Root: HKCR; Subkey: ".tgt"; …
user5808328
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Data structure with no false positives and fixed size?

I'm trying to create a data structure to sync two or three large (and growing) string-list databases efficiently. I know the specs of the data structure I need to implement, but I have no idea what fits the bill. I'm told that: 1: you can still…
Austin
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Haxe download claims to have Lineage.gen trojan in it

I am setting myself up with FlashDevelop, and i went to download and install Haxe (which is the language i want to use) from this page (the windows installer), when my Windows Security Essentials said that Lineage.gen got stuck in my win32 directory…
RCIX
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Are these Open MPI Valgrind False Positives?

I am attempting to debug a 3D particle in cell code originally written in F77 but now written in F90. Myself and my supervisor believe that the context for this is a memory leakage coming about at some point when the code gets busy (post physics…
Nick Millington
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Memcheck reports unitialised values when accessing local variables down the stack

I encountered a problem that Memcheck reports uninitialized values and I think these are perfectly legal. I managed to create a small example program that exhibits this behavior. I would like to know if Memcheck is really wrong and what can be done…
user7610
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Stubborn IntelliSense keeps flagging false "function X cannot be called with the given argument list"

Environment Visual Studio 2013 and C++/CLI. The (ho/e)rror I faced a situation of IntelliSense giving error on a compiler compliant row. Thus a false positive. The error is the following: IntelliSense: function "< full qualified method name >"…
Niki Romagnoli
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Saving multiple URL's in PHP textarea causing XSS false positive

I have tried everything. I use my own php function sanitizeString() to get rid of characters and sanitize input strings to our liking. It has mysqli_real_escape_string, preg_replace, str_replace and htmlspecialcharacters. I call this function around…
HonorMan
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Assessing the accuracy of OpenCV program

I have an OpenCV program that implements the ORB algorithm, I am using the value returned by the homography mask to determine if an object of interest is present. (mask.size() < 100) Obviously when I adjust this value the accuracy, in terms of false…
Colin747
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How to fix false positves on images with Adblock Plus?

Since a few days AdBlockPlus filters out regular images out of our web applicaion. They are simply hosted on a seperate static domain and implemented with the html img tag. E.g.: http://www.findix.de/kleinanzeigen/tiermarkt Image filtered out:…
merlin
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Why do so many packets get displayed as sent? Python

Hey How come this sends so many packets but fail to achieve anything? I know port scanner is unnecessary but I need that for future development of the tool. I would like the for loops to run simultaneously but I couldn't find a way to…
user5327424
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How to find number of detection windows occured in a video for a detection algorithm?

I'm using default HOG detector (hog.detectMultiScale) to detect people in a video. I want to know how many detection windows did actually appear in total for the entire video, because I want to calculate the detection rate and miss rate. I tried…
10061990
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SonarQube 5.0.1 - Error declaring a false-positive issue

I've a "Failed" message displayed when I declare a "false-positive" issue from the Web UI of Sonarqube (5.0.1). A 400 error is returned with this response : "Transition from state RESOLVED does not exist: falsepositive" But the issue is declared…
Michael Pailloncy
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