fall | An easily embeddable , futures-friendly logic engine | Game Engine library
kandi X-RAY | fall Summary
kandi X-RAY | fall Summary
An easily embeddable, futures-friendly logic engine, whose language is based on a pure subset of Prolog (i.e. no negation, no cuts). Unlike other logic programming libraries I was able to find, fall is futures-friendly, making it easy to integrate with an existing futures-using database layer.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of fall
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Trending Discussions on fall
QUESTION
customer_data.json (loaded as customer_data)
...ANSWER
Answered 2021-Jun-15 at 17:32I am trying to go through each of the books in
holds
usingholds[0]
,holds[1]
etc and test to see if the title is equal to a book title
Translated almost literally to Python:
QUESTION
Situation: I have two dataframes df1 and df2, where df1 has a datetime index based on days, and df2 has two date columns 'wk start' and 'wk end' that are weekly ranges as well as one data column 'statistic' that stores data corresponding to the week range.
What I would like to do: Add to df1 a column for 'statistic' whereby I lookup each date (on a daily basis, i.e. each row) and try to find the corresponding 'statistic' depending on the week that this date falls into.
I believe the answer would require merging df2 into df1 but I'm lost as to how to proceed after that.
Appreciate any help you might provide! Thanks!
df1: (note: I skipped the rows between 2019-06-12 and 2019-06-16 to keep the example short.)
age date 2019-06-10 20 2019-06-11 21 2019-06-17 19 2019-06-18 18df2:
wk start wk end statistic 2019-06-10 2019-06-14 102 2019-06-17 2019-06-21 100 2019-06-24 2019-06-28 547 2019-07-02 2019-07-25 268Desired output:
age statistic date :--- :-------- 2019-06-10 20 102 2019-06-11 21 102 2019-06-17 19 100 2019-06-18 18 100code for the dataframes d1 and d2
...ANSWER
Answered 2021-Jun-15 at 09:37You could loop through the dataframe and subset the second dataframe as you go.
QUESTION
I'm trying to create a few generic recursive types to modify structure of existing types. I can't tell why the sections inferring arrays and nested objects is not getting triggered. Any idea what I'm doing wrong?
TS playround link with the below code:
...ANSWER
Answered 2021-Jun-15 at 00:56Assuming what I mentioned in my comment on your question, the fix is just to simplify your FieldWithConfidence
type significantly. Right now it is trying to add a number of additional levels of structure beyond what you seem to want. Here is a version of that type that works as I think you intend:
QUESTION
I'm new to VBA and I'm having trouble understanding where my code is falling down. I receive the message "Autofill method of Range class failed"
. Please Help me to solve
Code:
...ANSWER
Answered 2021-Jun-14 at 05:08You don't need as many operations and variables to get the result you want, including .AutoFill. Try this code:
QUESTION
I have three TextSpan children as per the image attached - with the middle TextSpan object a larger font size.
I want all three TextSpan objects to be centered against the background parent.
When the fonts are all the same size they are aligned along the center horizontally. However when I increase the font size of one TextSpan, only the larger text object remains centered and the smaller two fonts fall to the larger font's base)...
I have tried different alignment properties but cannot work it out. Can this be done with TextSpan text?
Thanks!
...ANSWER
Answered 2021-Jun-15 at 07:20You can use WidgetSpan
s to make sure all your elements(text or not) are vertically centered
QUESTION
I am trying to install all needed modules for an existing Django project. When I run pip install -r requirements.txt
I get the following errors:
ANSWER
Answered 2021-Jan-26 at 13:05Inside your requirements.txt change scipy line with this scipy==1.6.0 and save. Now retry pip installation.
QUESTION
Today has been quite challenging so I can't think of any new ideas anymore so the solution to this question may be quite obvious to you. I have a very simple data frame like bellow:
...ANSWER
Answered 2021-Jun-14 at 16:07Case-I when the list is unnamed
QUESTION
I have a dataframe with Longitudes and Latitudes and I would like to create a 0.5x0.5 degrees grid that shows which lat, long fall within it. So far, I have tried several solutions, including some found here on stackoverflow, that use cut
and expand.grid
as well as code that uses the package "sp" but none has worked out for me (maybe I simply can't implement them).
Any suggestions on how I can group my data into a 0.5x0.5 degrees grids?
Latitude Longitude 31.602 -39.848 31.675 -39.467 31.747 -39.083 32.152 -36.795 32.218 -36.408 32.285 -36.022 32.348 -35.635 32.412 -35.247 32.475 -34.858 32.535 -34.47 32.595 -34.082 32.677 -33.707 32.763 -33.323Thank you all for your time and effort.
Edit: My best effort was this snippet
...ANSWER
Answered 2021-Jun-14 at 12:33library(tidyverse)
library(sf)
df_sf <- df %>%
st_as_sf(coords = c("lon", "lat"), crs = 4326)
grid <- df_sf %>%
st_bbox() %>%
st_as_sfc() %>%
st_make_grid(cellsize = 0.5)
df %>%
mutate(polygon_id = st_intersects(df_sf, grid) %>% map_int(1))
QUESTION
There is a model of orders, where new orders with information fall, photo1
Part of the information is the model of sneakers, sometimes these sneakers need to be corrected, now this is done in the form of TabularInline, photo2 and photo3, there are a lot of sneakers and it takes a very long time to scroll through this drop-down list, is there a way to make a search by entering text, like search_fields?
admin.py
...ANSWER
Answered 2021-Jun-14 at 05:54If these are foreignKey fields, use raw_id_fields so you can search them in another window and it will make the load faster.
QUESTION
As per their Timepicker library i did following in React:
...ANSWER
Answered 2021-Jun-14 at 11:32I removed this component and used the other ones.
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Rust is installed and managed by the rustup tool. Rust has a 6-week rapid release process and supports a great number of platforms, so there are many builds of Rust available at any time. Please refer rust-lang.org for more information.
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