oauth2 – Who initiates an authorization code flow?

I’d like to understand OAuth 2.0 in more detail and especially the authorization code flow. This might be nit-picking but according to RFC6749 the client initiates the flow.

(A) The client initiates the flow by directing the resource owner’s
user-agent to the authorization endpoint.

But isn’t it really the resource owner who initiates the flow by clicking a button like Connect with service xyz or Import photos from abc on the client application site when requesting authorization?

I mean it’s this button click that sends out a HTTP GET originating from the resource owners machine/IP, right?

GET https://www.auth-server.com/oauth2/authorize?

scope=openid photos.read

workflows – Sharepoint 2016 – design input for custom approval and document manipulation flow

Have a feature im trying to build, in sharepoint 2016.

  • Need to manually trigger a flow on document level in a library.
  • Flow is part approval / publish, part document copy, part custom manipulation of the content in the document triggered.

My inital thought was to use flow / automate for this, triggering it through column with custom formatting (and perhaps an external microservice or something for the document manipulation). The problem here it seems that Sharepoint 2016 do not support custom column formatting (only 2019 / online) to generate trigger button. And farm solution is not an option.

Would appreciate input on good options how to solve this design-wise (no matter flow / automate or else).

How to construct a directed graph to compute its max flow if its undirected AND with vertex capacities

Suppose we are given this graph:

enter image description here

If I want to calculate its max flow. My guess would be that I need to first convert the weighted vertices into unweighted vertices by doing something like this:

enter image description here

And since this is not a directed graph, I assume we that I need to create 2 symmetric edges per “regular” edge. However, this is where I get stuck because I am not sure where exactly those edges are suppose to connect with the “in” and “out” vertices I created earlier.

Help would be very appreciated. Thank you.

network flow – Minimum cost on undirected graph

Given the following graph (edges are wires and nodes are machines). I want to be able to find the minimum cost of “interrupting” a connection between the source (a computer) and the sink (another computer) by either cutting a wire or shutting down a computer. (Edges and vertices both have a cost)

Here is the graph

My first move was to convert vertices with capacities in order to treat this as a flow problem like this:

enter image description here

Since the graph is undirected, I believe I have to make two symmetrical edges for each normal edge and connect them to the respective “in” and “out” vertices and run a max flow algorithm on it and disconnect the edges that are saturated to completely disconnect s and t. But this seems rather complicated and I believe there has to be a better solution.

I believe I “accidentally” found the right solution by supposing I could discard some wires by making a level graph (that only includes shortest paths from either direction, since it is not a digraph) and running Ford Fulkerson on it. I ended up with this graph:

enter image description here

This turned out to be wrong and, by including the wire that connects computer 11 and 35 and running Ford Fulkerson again, I found a max flow of 47, which corresponds to destroying computer 11 and computer 10, the wire from computer 36 → t, and the wire s → t (10 + 11 + 8 + 18). This is I believe the correct solution.

My assumptions do not seem to make that much sense to me and I have been trying to solve this assignment properly without much luck. Any hint would be appreciated.

How to create appropriate user flow for multiple choice pop up modal windows belonging to side filter bar?

Given the system constrains and the user flow, the “Apply Filter” button could be within each pop-up filter window. So the user applies each category of filters before moving to the next.

enter image description here

Furthermore, it seems the popup has more levels of filters to it with a checkbox option to select all child filters under each. The levels and number of options might be too overwhelming for such a small popup. One alternative is using the real estate of the screen to showcase all options at once.

enter image description here

Lastly, this amount of filters needs some way of tracking and managing for the user. Consider something like filter tags.

enter image description here

sharepoint online – How do we call Power Automate Flow using Javascript button click?

we have a requirement of triggering the power automate flow using javascript button, we are still using the classic sharepoint site, we need to pass an item id to the power automate if they select an item in the list view and click on the button.

On the power automate side we will fetch the item by id and try to perform some calculations and update a different list.

Any help would be highly appreciated.

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network flow – Prove that there exists a minimum cut (S’, T’) where S’ is the subset of S in which (S, T) is a minimum cut as well

I need to prove the statement $exists$ a minimum cut $(S’, T’)$ where $S’ subseteq S$ for any minimum cut $(S, T)$

My attempt: Before proving this statement, I have a lemma if $(S_1, T_1)$ and $(S_2, T_2)$ are both minimum cuts, then $(S_1 cap S_2, T_1 cup T_2)$ and $(S_1 cup S_2, T_1 cap T_2)$ are minimum cuts as well.

My proof: let $(S_1, T_1)$ and $(S_2, T_2)$ be two minimum cuts. Based on the lemma, we have $(S_1 cap S_2, T_1 cup T_2)$ is a minimum cut. Also, $S_1 cap S_2 subseteq S$. Thus, the statement is correct. Is my proof correct?

workflow – Recurring Flow to Set Compliance

I have an ‘Apparatus List’

I am currently using a number of columns and a calculation in a calculated column to update compliance status of annual pump test.

Each piece of apparatus has a unique license number (‘LicNo’ – Text). There is a Status (‘Status’ – Text) column. There is a ‘LastPmpTst’ column (‘LastPmpTst’ – Text).

Each piece of apparatus needs to be pump tested every 365 days. I’d like to create a Recurring flow to the SP list (once every 24 hrs).

lo.logic – Is the theory Flow actually consistent?

Recently a paper has appeared on the arXiv https://arxiv.org/abs/2010.03664 which claims that the author’s new theory, Flow, can prove the Partition Principle (“if $A$ is nonempty and injects into $B$, $B$ surjects onto $A$“) but not the Axiom of Choice. If correct, this would resolve a long-open question in Set Theory (whether PP implies AC).

However, nowhere in the paper is the mentioned theory proved consistent (even relative to some LCA, which would be necessary as the paper claims their theory can interpret “ZF + there is a Grothendieck Universe”) as far as I can tell. The axioms/principles that make up the theory seems to be dispersed throughout the paper. Definitions 7 and 10 (p13/p14) also seems to be self-referential, and no way of resolving self-referential definitions is discussed.

Therefore, I wonder if anyone on MO knows is the mentioned theory Flow consistent?