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I'm working in overleaf, and the vertical lines I've inserted into my table (using tabular) are different lengths. I've attached code and a pic of the output.

Specifically, I'm wondering why the two lines on either side of the "year" column are longer than all the others and why they extend beyond the top and bottom horizontal lines. I'm also wondering why the vertical lines on either side of the other columns are not continuous (see the gaps under the horizontal line under each crop name and below the double horizontal line at the top of the table). If it's important, this table was generated using stargazer in RStudio. I manually added the vertical lines. Thanks!

Image that I have two distinct Kotlin sealed classes.

I am having trouble finding a way to cleaning update the amount column in table 1 with the price column in table 2. I know that left_join and merge could be used to join the price column, rename it, and then drop it, but I am wondering if there is simpler way to avoid creating a mess.

I should state that the real dataset is more complicated and that the amount column in table 1 needs to be conditionally updated somehow based on table 2.

Table 1

Table 2

I am working on a project in which I need to post a new Course to my API. I tested this with POSTMAN and API works just fine, however when I try to post data using react fetch data is corrupted. While sending single strings like dishName: "pizza" works just fine and is shown in database I cannot manage to send an array of objects. I tried to do it in many ways like:

I set up this function in Jquery, to copy the data from one table to another, but I was unable to include a new column, where there will be a button to be able to delete the row,

I need the copy_Table () function, when copying the data from table1 and pasting it into table2 in addition to the data in the table, to include a new column with a delete button

I have a initial state variable that is an array of objects and want to filter / delete multiple objects given in another array containing the id's of the objects to be filtered in the payload

I have a list of crops with their attributes such as location where they were planted, planting technique used, experience and the crop planted itself. I have managed to group them by crop and coordinates (which represents location), but they are grouped separately. Here below is my code that groups and counts them.

i decided to practice with to_datetime function , for this purpose i have changed source format of date as an integers , here is after reading excel file, how each column looks like

I am working with the R programming language. In a previous post (R: converting tidyverse to dplyr/reshape2 for plots), I learned how to make automatic histograms for all categorical variables in my dataset: