klee | KLEE Symbolic Execution Engine | Compiler library
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KLEE Symbolic Execution Engine
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QUESTION
Everyone, I face a problem, please first look image, then check my code, i am shohel in image. I want to scroll down with icon add or move in my image right side and same social media icon in my image left side as like Ansell Klee image. and when i right bottom increase but not any happened in my browser, not working, why this happened? I don't understand Advanced love and thanks.
...ANSWER
Answered 2022-Feb-03 at 10:49You need to add property position: absolute;
OR position: fixed;
according to your requirement before adding top:;
OR right:;
OR bottom:;
OR left:;
This is because these properties only work with positioned elements other than position: static;
QUESTION
I'm trying to start a new prject and build s2e in a new directory. But at arounf the 100% mark, it gives me an undefined reference error. The relevant part (imo) is this:
...ANSWER
Answered 2022-Jan-28 at 21:15I had the exact same error and solved it with:
QUESTION
I want to write a program that evaluates data about a construction site operation from an ASCII table in CSV format file. Know I would like to print out the qualification that has the highest cost and the qualification that has the lowest cost. It should print out the Qualification name and the cost.
The template file is an Excel file:
...ANSWER
Answered 2021-Dec-06 at 00:40You can use nsmallest
and nlargest
to return to top/bottom n rows of a dataset.
QUESTION
I want to write a program that evaluates data about a construction site operation from an ASCII table in CSV format file. The template file is an Excel file.
...ANSWER
Answered 2021-Dec-05 at 18:13You can use the groupby function from pandas
QUESTION
I do not understand how symbolic execution is different from Whitebox fuzzing? From what I understand, Whitebox Fuzzers symbolically execute the code with some initial input format. Additionally, it will be helpful if someone could differentiate between these two forms with reference to KLEE and AFL tools.
...ANSWER
Answered 2021-Nov-08 at 16:13Whitebox fuzzing can be done not only with symbolic execution. SAGE from Microsoft Research is an example of a whitebox fuzzer that uses concolic execution, also called dynamic symbolic execution, see NDSS08.
Yes, Whitebox Fuzzers get some seed/seeds (initial input/inputs) and symbolically execute the code with these. Concolic fuzzers also run the code with these inputs in parallel with symbolic execution.
KLEE is a whitebox fuzzer that uses symbolic execution.
AFL is a greybox fuzzer - it uses internal structure information only to calculate coverage and not to get new paths. There are tools for AFL that get constants from comparisions in the code and add these to AFLs dictionaries, but this is still not whitebox fuzzing.
QUESTION
Maybe I'm being stupid here but I dont understand why in the below example the correlated subquery works but the simple subquery doesnt. Can someone explain why please.
In the sample database im working with the authors are listed in the authors table and the title_authors table gives information on if the authors have written or co written any books. au_id is the PK in authors and part of a composite PK in title_authors. if the royalty_share column is set to '1' that means the author was the sole author on a book.
How come the correlated subquery is able to give me the authors who have '1' in the royalty_share column, but the simple subquery just gives me all the authors regardless of what is in the royalty_share column?
...ANSWER
Answered 2021-Nov-02 at 14:52Consider this criteria outside the context of the rest of the query:
QUESTION
I'm extremely confused because I am pretty certain that I have it set up correctly. It doesn't set the font to 10 pixels on my phone and when I adjust the screen. Am I missing something? Here's the code:
...ANSWER
Answered 2021-Aug-22 at 06:12In order to run the media query for mobile device you need to change min-width
to max-width
like below
QUESTION
So I was wondering if there's a way to add a string to a null or empty index in array list. So the thing that I want is that if the array list index is null or empty then I want it to be replaced by another text.
...ANSWER
Answered 2021-Aug-05 at 10:52You're using an array and so Count()
doesn't apply, but it would for a collection type like List
.
QUESTION
I am analyzing a program with the symbolic executor KLEE and writing a Python helper script for the output. KLEE generates test values for the input values which I now want to use with subprocess.run
to execute in an Address Sanitizer enabled binary.
Unfortunately, I receive a
ValueError: embedded null byte
when executing the following code:
...ANSWER
Answered 2020-Aug-31 at 21:56NULs are used to terminate C strings. From this simple observation, two consequences:
- You cannot possibly pass a NUL inside a single C string (hence the warning from the Python interpreter passing up to you a limitation from the underlying OS).
- If you want to reproduce a given sequence of bytes in an array of C strings, end each string inside that array at the position where a NUL should be.
Thus:
QUESTION
I am trying to train my neural network, which is written in PyTorch, but I got the following traceback because of incorrect dimensions. Got the following traceback
...ANSWER
Answered 2020-Jun-06 at 21:50The first convolution doesn't use padding.
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