sat | Simple SAT Solving Framework in Python | Learning library
kandi X-RAY | sat Summary
kandi X-RAY | sat Summary
This project was inspired by the lecture Formal Methods in Computer Science at the Vienna University of Technology. It provides an implementation of the SAT solving procedure introduced in the lecture. The SAT instances (set of clauses) can be either set programmatically or parsed from a string in DIMACS format. The aim of this project is to help with developing a better understanding of SAT solvers and their workings. Of course, pure Python is hardly a good choice for heavily CPU-bound tasks such as solving SAT problems. However, since this project is only intended for solving small instances, it should suffice.
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Top functions reviewed by kandi - BETA
- Resolve a conflict node .
- Parses a string into a list of clauses .
- Convert a list of clauses into a canonical form .
- Get conflict information for the given decision node .
- Return the next variable .
- Resolve the clauses of another clause .
- Solve the formula .
- Takes a test instance .
- Initialize atom .
- String representation of the object
sat Key Features
sat Examples and Code Snippets
Community Discussions
Trending Discussions on sat
QUESTION
I am trying to run Oracle db in docker on M1 Mac. I have tried images from both store/oracle/database-enterprise:12.2.0.1-slim
and container-registry.oracle.com/database/enterprise:12.2.0.1-slim
but getting the same error.
docker run -d -it --name oracle -v $(pwd)/db/oradata:/ORCL store/oracle/database-enterprise:12.2.0.1-slim
I also tried non-slim version and by providing the --platform linux/amd64
to the docker command. Result is same.
Here's the result of docker logs -f oracle
ANSWER
Answered 2021-Aug-04 at 20:48There are two issues here:
- Oracle Database is not supported on ARM processors, only Intel. See here: https://github.com/oracle/docker-images/issues/1814
- Oracle Database Docker images are only supported with Oracle Linux 7 or Red Hat Enterprise Linux 7 as the host OS. See here: https://github.com/oracle/docker-images/tree/main/OracleDatabase/SingleInstance
Oracle Database ... is supported for Oracle Linux 7 and Red Hat Enterprise Linux (RHEL) 7. For more details please see My Oracle Support note: Oracle Support for Database Running on Docker (Doc ID 2216342.1)
The referenced My Oracle Support Doc ID goes on to say that the database binaries in their Docker image are built specifically for Oracle Linux hosts, and will also work on Red Hat. That's it.
Because Docker provides process level virtualization it still pulls kernel and other OS libraries from the underlying host OS. A Docker image built for Oracle Linux needs an Oracle Linux host; it doesn't bring the Oracle Linux OS with it. Only Oracle Linux or Red Hat Linux are supported for any Oracle database Linux installation, with or without Docker. Ubuntu, Mac OS, Debian, or any other *NIX flavor will not provide predictable reliable results, even if it is hacked into working or the processes appear to work normally.
QUESTION
I am training a Unet segmentation model for binary class. The dataset is loaded in tensorflow data pipeline. The images are in (512, 512, 3) shape, masks are in (512, 512, 1) shape. The model expects the input in (512, 512, 3) shape. But I am getting the following error. Input 0 of layer "model" is incompatible with the layer: expected shape=(None, 512, 512, 3), found shape=(512, 512, 3)
Here are the images in metadata dataframe.
Randomly sampling the indices to select the training and validation set
...ANSWER
Answered 2022-Mar-08 at 13:38Use train_batches
in model.fit
and not train_images
. Also, you do not need to use repeat()
, which causes an infinite dataset if you do not specify how many times you want to repeat your dataset. Regarding your labels error, try rewriting your model like this:
QUESTION
I have a model in which we can choose the opening hours of the institution for each day of the week, from such and such to such and such, for example Monday 12:00 AM - 11:30 PM
ANSWER
Answered 2022-Feb-23 at 16:12Since your code is not a runnable snippet to reproduce the behavior, I will refrain from providing a full solution and, instead, I provide the means to solve the issue. Your JSON of
QUESTION
I posted a similar question to this one a few weeks ago where I had trouble finding the data race in my N-queens program using pthreads in C. Why is my multithreaded C program not working on macOS, but completely fine on Linux?
I got a few suggestions in the comments sections of the post and I really tried my best to make corrections based on them. I sat with the suggestions a few days, changed some parts but the data race persisted and I just cannot understand why. There are counters inside critical sections for the number of productions and consumptions. I feel completely blind when looking through the code and analyzing it, I'm aware that consumptions are too many but the synchronization around that code fragment should with my knowledge be correct, but obviously something's not right. External input would be greatly appreciated.
This is the code I'm using and I'm not sure how to reduce its size to still reproduce the issue. I compile it with gcc (clang-1205.0.22.11) on macOS Monterey (12.1) using a MacBook Pro 2020 x86_64 architecture.
compile: gcc -o 8q 8q.c*
run: ./8q
, NxN chess board, N queens to place
parameters: ./8q 2 4
Enough to highlight the problem (should yield 2 solutions, but every other run yields 3+ solutions, i.e duplicate solutions exist
note: running the program with ./8q 2 4
should give 2 solutions, 1820 productions and 1820 consumptions.
ANSWER
Answered 2022-Feb-16 at 03:21You're not initializing your mutexes and condition variables. The result is UB when used in pthread APIs. Two ways to do this, the simplest is just use the proper initializer:
QUESTION
For example, we have dataset tips
with columns day
, total_bill
and sex
.
I want to visualize boxplots (x=day
, y=total_bill
,color=sex
). After that I want to calculate test and p-value in every day between female and male participants. If p-value < 0.05, I want to add asterisk. How could I change the code below?
In this example the comparison between different days without sex:
...ANSWER
Answered 2022-Jan-18 at 23:57When you are setting up the boxplots, using px.box
from plotly.express will be useful since you can pass the argument color="sex"
which will create two boxplots for each gender for every day. You'll also want to sort the tips
DataFrame so that the days of the week are plotted in order.
Then the add_pvalue_annotation
function can be modified so that we are calculating the p-value for the t-test between men and women within each day (instead of the t-tests between tips for different days of the week). You'll also want to the change the starting and ending point of the annotations so that they are between the Men and Women categories within the same day instead of between different days.
For the tips
dataset, I ran t-tests between the men and women within each day of the week (e.g. men and women on Thur, men and women on Fri...), and none of the p-values are below 0.05.
However, to demonstrate that add_pvalue_annotation
function will place annotations down correctly, I set the p-value threshold to 0.15 so that the p-value between men and women on Friday (p-value = 0.13
) will be annotated on the chart.
QUESTION
I am trying the get the count of week days between two dates for which I have not found the solution in BigQuery standard sql. I have tried the BQ sql date function DATE_DIFF(date_expression_a, date_expression_b, date_part)
following published examples, but it did not reveal the result.
For example, I have two dates 2021-02-13
and 2021-03-31
and my desired outcome would be:
ANSWER
Answered 2022-Jan-18 at 16:11You can do the following:
QUESTION
I'm new to SQL & I'm trying to get the id
for each category with the latest offer_valid_till
. Below is my database structure.
Expected response:
category_id id 1 3 2 2 3 4 4 5Here is what I tried:
...ANSWER
Answered 2022-Jan-12 at 06:16Use this code :
QUESTION
I have a parent View model:
...ANSWER
Answered 2022-Jan-04 at 00:44try pseudo-elements like ::before, ::after. Here is an example:
QUESTION
I would like to set the saturation of an entire color channel in my main camera. The closest option that I've found was the Hue vs. Sat(uration) Grading Curve. In the background of the scene is a palm tree that is colored teal. I want the green level of the tree to still show. Same with the top of the grass in the foreground, It's closer to yellow than green, but I'd still want to see the little bit of green value that it has.
I have been searching the Unity documentation and the asset store for a possible 3rd party shader for weeks, but have come up empty handed. My current result is the best I could come up with, any help would be greatly appreciated. Thank you
SOLVED -by check-marked answer. Just wanted to share what the results look like for anyone in the future who stumbles across this issue. Compare the above screenshot, where the palm tree in the background and the grass tops in the foreground are just black and white, to the after screenshot below. Full control in the scene of RGB saturation!
...ANSWER
Answered 2021-Dec-05 at 13:45My best guess would be to use a custom shader or camera FX that would gives you control over each channel.
Hope that helped ;)
QUESTION
Is there a way to jump to the type definition of the type of the value under the current cursor? For example if we have the following code:
...ANSWER
Answered 2021-Dec-01 at 03:50I know you can use Atl-x merlin-locate-type and then use C-c & to jump back.
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Install sat
You can use sat like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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