lizzie | A script language for .Net and the CLR | Interpreter library
kandi X-RAY | lizzie Summary
kandi X-RAY | lizzie Summary
A Symbolic Delegate is a CLR delegate that is dynamically looked up during runtime from a dictionary of delegates with the same signature. This allows you to dynamically wire together delegates to an "execution tree" during runtime, based upon whatever delegate happens to be the value for your "symbol". Lizzie is literally a dictionary of delegates, where the key to lookup your delegates are of type string. This allows you to easily extend Lizzie by simply creating a new delegate, and associating it with a "symbol", to such have access to execute CLR methods from your Lizzie script code.
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Trending Discussions on lizzie
QUESTION
Hi I have a dataset of multiple households where all people within households have been matched between two datasources. The dataframe therefore consists of a 'household' col, and two person cols (one for each datasource). However some people (like Jonathan or Peter below) where not able to be matched and so have a blank second person column.
Household Person_source_A Person_source_B 1 Oliver Oliver 1 Jonathan 1 Amy Amy 2 David Dave 2 Mary Mary 3 Lizzie Elizabeth 3 PeterAs the dataframe is gigantic, my aim is to take a sample of the unmatched individuals, and then output a df that has all people within households where only sampled unmatched people exist. Ie say my random sample includes Oliver but not Peter, then I would only household 1 in the output.
My issue is I've filtered to take the sample and now am stuck making progress. Some combination of join, agg/groupBy... will work but I'm struggling. I add a flag to the sampled unmatched names to identify them which i think is helpful...
My code:
...ANSWER
Answered 2021-Nov-30 at 14:23As it pertains to your intent:
I just want to reduce my dataframe to only show the full households of households where an unmatched person exists that has been selected by a random sample out of all unmatched people
Using your existing approach you could use a join on the Household
of the sample records
QUESTION
I have a df with the columns, 'households, people, flag', and would like to filter the dataframe to households that contain at least one flag. I understand the logic but am not sure how to code it, can someone help? For the example below, the output would remove household 2.
logic:
df = df.filter(all rows in households where at least one row in that household contains 'flag'==1)
ANSWER
Answered 2021-Nov-30 at 09:48Filter and groupBy
to get the desired Household
and do inner join to get the final reault.
QUESTION
i have this Json file, it was created by me so if I would have to do some restructuring, it will be welcome.
...ANSWER
Answered 2021-Nov-27 at 19:42First you should get your array of categories you need to show. Then based on this array of categories we can show data. So it can be like this:
QUESTION
I am trying to transform an array of objecst with keys: name
and winRatio
to another array of objects with a key of each unique name and value of an item in the winRatio array.
The purpose of this problem is to transform incomming data and reformat it into a chart realizing solution (Recharts, if you're interested)
Input
...ANSWER
Answered 2021-Nov-06 at 05:35Here's one way you could use a reducer to do it. It loops through the data array, taking each players object and combining it into the final array in the format you requested.
QUESTION
I wanna parse an image and use it in an application. But what I really need is the src link which is in the image tag AND to also get the the CDATA in the linik tag..
This is the rss feed:
...ANSWER
Answered 2020-Apr-15 at 13:26This code should help:
QUESTION
I am using SQL with pyspark and hive, and I'm new to all of it. I have a problem in my hands that I don't know how to solve.
If I have a table "People" , like this:
...ANSWER
Answered 2020-Mar-26 at 18:59To split the csv string into rows, you can make a lateral join and use split()
and explode()
:
QUESTION
I have a problem using renv. For a larger project we want to use renv to all have the same version of r and all our packages. Yet, as soon as a newer version of a package is available and we run renv::restore()
we get an error like the following (please note: rcpparmadillo is not the only package. It also happens with greybox, mime, stringi and many more).
ANSWER
Answered 2020-Mar-21 at 04:42The ultimate issue here is that renv
is trying to install these packages from sources, as binaries for these older packages are no longer available from CRAN. There are two potential solutions to this issue:
Consider using a MRAN checkpoint as your R repository. The plus side is that binaries for these older packages will remain available; the downside is that you won't be informed if newer packages do become available.
Install the requisite software so you can build these packages from sources.
For 2. on Windows, you will need to install Rtools:
https://cran.r-project.org/bin/windows/Rtools/
You can also use the renv::equip()
function to download a variety of libraries needed to compile some packages from sources (for example, nloptr
).
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