JamesM | me going through JamesM 's kernel development tutorials | Learning library
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me going through JamesM's kernel development tutorials
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QUESTION
DB have some amount of OrderItemType which have relations between one to another like INCOMPATIBLE and REQUIRED
We combining an order by linking OrderItemType to it with CONTAINS relation
Is it possible to make constraint to fail with validation error when trying to add new OrderItemType which is incompatible with another in graph and if required items is not present yet?
Target is just trying to insert, and get reject if it violate some conditions
Another option - using transaction: 1. insert item 2. load graph and check rules manually 3. rollback if find some problems
UPDATE Ok I will rephrase question with standard movies sample
lets establish some relations between actors
...ANSWER
Answered 2018-Nov-14 at 21:30I assume that problematic situations like the following do not exist in the DB: a
requires b
, and b
requires c
, but c
hates a
. (Even though such situations can exist in real life :-)). I also assume that actor nodes have the Actor
label and a name
property.
This query should get you started. It will tell you if it is OK to add an actor (I assume that actorName
and title
are passed as parameters). It will also return a list of the current cast members opposed by the "required" actors (including the main actor you want to add, and all the actors required by the required actors, etc.), and a list of the required actors opposed by the current cast members:
QUESTION
We are creating / managing user documentation for our solution in Confluence Cloud with the Draw.io plugin. We want to present the content as HTML on our secure portal.
To do this we need to export / access the pages as html as well as any referenced images. Images are either uploaded bitmaps or embedded draw.io diagrams.
We have tried:-
1) Exporting the space as html: The challenge is the draw.io images are included in the html as Script Tags and do not seem to reference the .png bitmaps that are included in the export
2) Accessing the pages via the Rest API: We can get the formatted HTML but again cannot work out how to get a rendered version of the draw.io images
Our preference is to use the API as we can integrate it into our build process.
Does anyone have any suggestions on an approach that could work?
Many Thanks JamesM
...ANSWER
Answered 2018-Nov-01 at 21:24We found a solution using the REST API.
1) We build a hierarchy for the space using recursive calls to: https://{{host}}/wiki/rest/api/content/{{pageId}}/child/page?expand=children.page
We start at the root page and then drill down all child pages
2) We fetch the html for each page using https://{{host}}/wiki/rest/api/content/{pageId}?expand=body.export_view
3) We Fetch the content for the page by iterating over all img nodes in the HTML and fetching the underlying image using the supplier src
4) We update the HTML to make all src and href fields local rather than pointing to confluence
JamesM
QUESTION
I'm trying to figure out how to identify instances of any strings from one column of a dataframe on another column in that same dataframe in order to replace. In this case I have forum postings I've pulled in which people reference other users by name and I want to get rid of those names for analyses otherwise they will count as high quantity words. Below is the dput for this data frame:
...ANSWER
Answered 2017-Apr-07 at 21:23You could make a vector uber_names
of all user names in your data.table (dt
) and then generate a regular expression (name1|name2|name3)
to replace all matching user names with ""
, like:
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