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I'm making a game engine for a board game called Blockade and right now I'm trying to generate all legal moves in a position. The rules aren't exactly the same as the actual game and they don't really matter. The gist is: the board is a matrix and you move a pawn and place a wall every move.

In short, I have to find whether or not a valid path exists from every pawn to every goal after every potential legal move (imagine a pawn doesn't move and a wall is just placed), to rule out illegal moves. Or rather, if I simplify it to a subproblem, whether or not the removal of a few edges (placing a wall) removes all paths to a node.

Brute-forcing it would take O(k*n*m), where n and m are the board dimensions and k is the number of potential legal moves. Searching for a path (worst case; traversing most of the board) is very expensive, but I'm thinking with dynamic programming or some other idea/algorithm it can be done faster since the position is the same the wall placement just changes, or rather, in graph terms, the graph is the same which edges are removed is just changed. Any sort of optimization is welcome.

To elaborate on the wall (blockade). A wall is two squares wide/tall (depending on whether it's horizontal or vertical) therefore it will usually remove at least four edges, eg:

p | r
q | t

In this 2x2 matrix, placing a wall in the middle (as shown) will remove jumping from and to:
p and t, q and r, p and r, and q and t

We are attempting to replace an old Messaging library with MassTransit and running into a blockade.

We have a requirement for our applications to connect to a queue and pull off a single message at a time on a schedule.

Is this possible in MassTransit? It seems all of the documentation I have found shows setting up the ReceiveEndpoint with a Consumer.

I want to open a file and then convert it from docx to zip. I am experiencing a blockade however with the selected file variable with the error of the title. "selected_file" in last line is highlighted as the bug in my IDE. Please know I am a beginner. My code is below:

I have an HTML string where I'm trying to generate an array of all substring instances that occur between two sets of characters.

My string looks something like this:

I want to make simple platformer game. everything goes OK, but when I tried to put text in here something weird happened. I really don´t know why this happened, because I did the same as in my previous projects here is printscreen:

If you know why this happened and why is this still happening, please tell me and here´s my code:

I am creating platfrormer game and there are red squares (they should kill me) and white squares (platforms) when I die, I should revive on the start of current level. I did collision detection, but it works only if I´m moving (when I jump to red squares and i´m not pressing anything, it doesn´t work)

so I really want to know how to do collisions better.

thanks code:

I am trying to read the structure from the byte array:

I am currently facing mapstruct and it's beginner issues and one of them is the following.

I do know the samples proposal: https://github.com/mapstruct/mapstruct-examples/tree/master/mapstruct-iterable-to-non-iterable

And i do know generally to handles complex mappings, BUT i really got a blockade in my head mapping something like:

Issue:

Intermittently new user creation is not working. It is failing with the error - Invalid Input: primary_user_email

Account creation is stopping for both the Admin UI and API also

Is issue Reproducible?

We have automation in place which hits the G suite directory API for user/group/role - creation/modification/deletion. So when we have frequent and parallel executions of this automation we are seeing this issue. Please note when we don't encounter an issue at the user creating the automation runs smoothly and all the scenarios covered in it are executing properly

Observations

• We are not seeing this issue consistently
• Mostly after a window of 24 hours, we are able to create a new user once again with Admin UI and API also
• We are not reaching the API quotas which are available from the Google's end for 100 seconds and for 24 hours
• With the API connection, we are having 2 options - Client credentials(with offline refresh token) and service account approach - both of them have the same inconsistent issue

What we are feeling is that there might be some policies or limits for these API which are blocking the user creation. We have checked the docs available but didn't found any related info.

So we will like to know what actually triggering the user creation blockade so we can work accordingly

References

• Directory API used for user creation: https://www.googleapis.com/admin/directory/v1/users
• Google DOC we are following: https://developers.google.com/admin-sdk/directory/v1/guides/manage-users?refresh=1

Thank you !!