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I'm having trouble finding a way to merge two arrays with common values. What I'm trying to create is an array to be used as an archive of sorts for customer attributes which're aren't needed in the immediate future.

I've whipped up a DB fiddle as an example of the data I'm working with. https://www.db-fiddle.com/f/gKGsBFSgzZkTv3bMNhU9UG/1

The first two results are the two separate tables, and the three result is what I hope to get by merging those two arrays together.

Only method I can think of is maybe unnesting both tables, joining together and then remaking the array but I'm hoping there's a cleaner/more efficient method as I'm working with a lota data.

Any Suggestions?

I'm trying to give our customers a better insight in their order status without going to their account. My plan is to print the info on the home page once someone has ordered.

I'm struggling to get the order status to display elsewhere.

Here is the current code I've whipped up based on a code used to grab the product of the last order.

I am used to using ggplot2, so I have only used fct_inorder() to reorder my axes. It should be Gate 0 - 3 then Full. How do you do this with a base function like heatmap? df and code below. Thank you!

I am trying to create a heatmap of the following plot. Whenever i use the heatmap function instead of geom_point, I get this error:

I am currently learning Android Development and am confused about where to add certain functionality in the MainActivity.java file.

Some context: I am designing a basic coffee app in Android using Java. I have added a checkbox for toppings in the XML file.

I am currently working with a big dataset (n>10 million). I found fixest package very helpful to run logit fixed-effects models fast (feglm).

An old code base I'm refactoring has a rather unorthodox way to access n dimensional vectors by overloading the () operator instead of the [] operator.

To illustrate, suppose Vec is a class that overloads both operators for indexing purpose of an internal list of doubles.

Here is are my menu items, and I want to filter only the Drinks in a drink Component, I am displaying both the 'Drinks' and 'Eat' under categories. And my goal is to only filter and extract the 'Drinks' as I am displaying the drinks on its own component.

Here is my data:

Say you have a bunch of actions for creating/inserting records into a bunch of different database tables. You have some records which can be inserted without any dependency on the output of any other insert. You have some which need to wait for one other thing to finish. And you have others that need to wait for many things to finish, which might finish at different times in the flow.

How can you write an algorithm which would sort and chunk the actions in the dependency tree so the inserts / database actions can be optimally batched? By optimally batched, I mean if you can insert 10 records into the same table at once, then do that. Any time you can batch insert, you should, to minimize the number of database calls/inserts.

Here is a snippet from the example code I whipped together with a fake sequence of actions using a simple data structure to capture all the required information.