crab | building abstract interpretation-based analyses | Code Analyzer library
kandi X-RAY | crab Summary
kandi X-RAY | crab Summary
Crab (CoRnucopia of ABstractions) is a C++ library for building program static analyses based on Abstract Interpretation. Crab does not analyze directly a mainstream programming language such as C/C++ or Java but instead it analyzes its own CFG-based intermediate representation (CrabIR). This allows building analyses for different programming languages assuming a translator to CrabIR is available. In spite of its simple design, CrabIR is rich enough to represent languages such as LLVM bitcode.
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QUESTION
So I'm fetching an API call which I'm then trying to iterate over in order to display as a list. My code so far is:
...ANSWER
Answered 2022-Mar-24 at 19:52I think the problem is with the way fetch api's promise is handled. .then((results) => console.log(results)) seems to return undefined and the following .then is receiving data as undefined. Please try like below and let me know if it works!
QUESTION
I'm trying to automate a process within the OpenSea Create page after having logged in with Metamask, and so far, I have managed to develop a simple program that chooses a particular image file using a path which passes to the Open File dialog "implicitly", here's the code:
...ANSWER
Answered 2022-Jan-26 at 07:31The dialog you are trying to interact with is a native OS dialog, it's not a kind of browser handler / dialog / tab etc. So Selenium can not indicate it and can not handle it. There are several approaches to work with such OS native dialogs. I do not want to copy - paste existing solutions. You can try for example this solution. It is highly detailed and looks good.
QUESTION
I have data on fiddler crabs that includes which of its claws are dominate (L or R) (listed as handedness), and the length of specific walking legs (the merus) on each side, which are again sorted by L and R.
Merus_L Merus_R Handedness 13.300 10.950 R 9.980 12.250 L 8.750 12.150 LWhat I want is to have a column (or a way) to sort these merus values by whether they were on the same side as the major claw (aka dominate claw). for example, if you go back to the above table, the first crab is right handed, so I would like the Merus_R data to be listed under a column called "Major_merus", and the data from Merus_L to be listed under "Minor_merus". the correct sorting is shown below:
Major_merus Minor_merus Handedness 10.950 13.300 R 9.980 12.250 L 8.750 12.150 LI've already tried the ifelse
command recommended by my professor, but I don't know how to use the new data, or why only the Major_merus is correct now.
ANSWER
Answered 2022-Feb-05 at 23:27I modified the solution, I guess this one is more straight forward:
- For
Major_mercus
column, I first created a customized name withpaste0
by concatenatingMerus_
with the value ofHandedness
in every row. Then I retrieve the value withget
function - For
Minor_mercus
I basically did the same but I usedifelse
to first swap theR
andL
value in each row and then retrieve the desired value
QUESTION
I'm using fandom module in python for my discord bot. I get this error when I request data by using page.images[0]
. It should be an image url. This is the page I want to get.
ANSWER
Answered 2022-Feb-01 at 09:46I fixed it by using pymediawiki module.
This code that use mediawiki can replace fandom module by changing the api of wiki.
QUESTION
ANSWER
Answered 2022-Jan-28 at 08:31Pandas read_*
methods always prevent duplicated columns names, because is problem with selecting.
If use df[0]
it select both columns, not one.
For original columns names is possible use:
QUESTION
I have a function that transforms a dataframe's structure (making each value for "year_season" factor as its own column) for each value in a list (a list of species names) and reorders the 1st column values (the location or "site") to be in order (low to high). I then tell it to save the dataframe as a matrix and print each matrix as a csv. For some reason though, the function is making a another column out of the rownames and I can't remove it.
data = "dat":
...ANSWER
Answered 2022-Jan-26 at 22:05That's the default functionality of write.table
and write.csv
. Add row.names=FALSE
. From ?write.csv
:
QUESTION
I would like to group an array according to its first letter (alphabetically) so the output looks something like this:
...ANSWER
Answered 2021-Nov-22 at 17:13With lodash you can use multiple methods to get it.
QUESTION
How would I add a new categorical column to this data based on the values in the 1st column in R? Like this:
...ANSWER
Answered 2021-Nov-09 at 20:13QUESTION
I have a state which needs to be updated everytime when another state changes.So I used used effect with dependencty array item of another state but it is causing infinit render. I want to use these variables as states. I want totalAmount to be a state variable for which other varables are needed to be state(discount subtotal etc.). What could be the solution to this.
App.js
...ANSWER
Answered 2021-Nov-08 at 10:16the problem is not with your useEffect
hook, it's working properly and called once at component did mount. the problem is with the setSubtotal((prev) => prev + +item.price);
in your return
method.
Every change on state variables will cause re-rendering, with every re-render your order.map
will be recreated. so changing the state during order.map
will cause re-render and the re-render cause the order.map
to draw again. It's the cause of your infinity re-render.
Note: you can simply comment the setState
inside of your map
function to stop this behavior.
There are some options to control this situation like using useRef
for subtotal
to prevent the cause of re-rendering.
Also, you can calculate your subtotal
inside of your useEffect
hook before calculation of totalAmount
and setting it.
QUESTION
I have compiled CLIPS 6.4 into a shared library (compiled as C++) so that I can use in a C++ application.
I want to now write a simple test C++ application that allows me to:
- Start up the CLIPS engine
- Load a CLIPS program (see animal.clp)
- Assert a fact from the C++ program to the CLIPS engine and receive responses back from CLIPS in my C++ program
- Safely terminate the CLIPS engine and cleanup when nothing on the agenda (all rules fired) - i.e. program completed
ANSWER
Answered 2021-Oct-14 at 20:09The CLIPS Advanced Programming Guide is here: http://clipsrules.sourceforge.net/documentation/v640/apg.pdf
You can use the Load function (section 3.2.2) to load a file. There is an example of its use in section 3.6.1.
You can use the GetNextActivation function (section 12.7.1) to determine if the agenda has any activations.
The simplest way to create facts is using the AssertString function (section 3.3.1). Sections 3.6.2, 4.5.4, and 5.3 have an example use of this function. You can also use the FactBuilder functions described in section 7.1 (with an example in section 7.6.1).
If the results of your program running are represented by facts, you can use the fact query functions via the Eval function to retrieve those values from your program. Section 4.5.4 has an example.
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