dGraph | Create layered directed graphs with JavaScript and Scalable | Animation library
kandi X-RAY | dGraph Summary
kandi X-RAY | dGraph Summary
Create layered directed graphs in SVG with a few lines of JS in a beautiful and compact layout. The library is based on a modified [Sugiyama algorithm] "Kozo Sugiyama"). The data feed into the graph library needs to be a node list with its corresponding adjacency list. Each node object in the list is expected to have at least the two properties label and layer. See the two provided example pages [example-simple.htm] example-simple.htm) and [example-complex.htm] example-complex.htm) for more information. ![example-complex] graph/resources/example-complex.gif "complex example of a graph drawing").
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of dGraph
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Trending Discussions on dGraph
QUESTION
ANSWER
Answered 2021-May-19 at 14:06To model a pivot table that is only a linking pivot table holding no additional information, then you model it as you did above. However, if your pivot table contains additional information regarding the relationship, then you will need to model it with an intermediate linking type. Almost the same idea as above. I prefer these linking types to have a name describing the link. For instance I named it in this case Stock
but that name could be anything you want it to be. I also prefer camelCase for field names so my example reflects this preference as well. (I added some search directives too)
QUESTION
I am trying to display the chartist graph if the user clicks the button. But when I was doing this I was facing the problem that, if I display the graph normally then it will show properly but if I put the ajax show() the all the graph is getting shrink as given in the image below.
On button clicked display of graph
Demo.html
...ANSWER
Answered 2021-Apr-20 at 03:57Just move chart initialization to inside click
QUESTION
ANSWER
Answered 2021-Feb-04 at 11:09What a well-asked first question. Welcome to Stackoverflow.
Your code is fine. You are running into a limitation of networkx, which does not keep track of the arc of the edge when labelling edges. Instead, it places edge labels on a straight line between the two nodes; by default, it chooses the center of that straight line. This has two consequences for your plot:
- the edge labels are slightly offset w.r.t. your edge paths, and
- labels on bi-directional edges are plotted on top of each other.
There is no solution for the first issue; however, you can work around the second issue by specifying the argument label_pos
to anything other than 0.5.
For example, changing your code to
QUESTION
I'm considering making hundreds of thousands of nodes with their own labels and connecting them to each other via millions of edges.
Has this sort of thing been benchmarked anywhere with Neo4j, Dgraph, or any other graph db?
...ANSWER
Answered 2021-Jan-05 at 18:35Yes, 4 billions in Neo4j, reference here : https://neo4j.com/docs/operations-manual/current/tools/store-info/#neo4j-admin-store-format-versions
QUESTION
I have an Authorization Server which is happily returning various ‘out of the box’ and custom claims as necessary which is great.
The back-end (DGraph GraphQL hosted server https://slash.dgraph.io/) requires a ‘namespace’ for the claims I want it to use but all of the claims in my token are at the root of the payload.
My example JWT payload from Okta is:
...ANSWER
Answered 2021-Jan-05 at 11:30You'll need to create your namespace as one claim within the authorization server, then add each of the claims within the namespace inside of that claim's value inside of {} as if you were writing JSON.
Value for copy paste simplicity {"one":"one", "two":"two", "username": appuser.userName}
The expression language will still be evaulated so you can use conditionals and values from the user's profile as you would normally.
QUESTION
I am trying to understand and compare the output I see from htop (sorted by mem%) and "ps aux --sort=-%mem | grep query.jar" and determine why 24.2G out of 32.3G is in use on an idle server.
The ps command shows a single parent (not child process I assume):
...ANSWER
Answered 2021-Jan-02 at 20:49The primary difference between htop
and ps aux
is that htop
shows each individual thread belonging to a process rather than the process only - this is similar to ps auxm
. Using the htop
interactive command H
, you can hide threads to get to a list that more closely corresponds to ps aux
.
In terms of memory usage, those additional entries representing individual threads do not affect the actual memory usage total because threads share the address space of the associated process.
RSS
(resident set size) in general is problematic because it does not adequately represent shared pages (due to shared memory or copy-on-write) for your purpose - the sum can be higher than expected in those cases. You can use smem -t
to get a better picture with the PSS
(proportional set size) column. Based on the facts you provided, that is not your issue, though.
In your case, it might make sense to dig deeper via smem -tw
to get a memory usage breakdown that includes (non-cache) kernel resources. /proc/meminfo
provides further details.
QUESTION
i'm trying make a mutation inside a DGraph database, but when i run the code, it throws me the next error:
rpc error: code = Unavailable desc = connection close exit status 1
I'm using dGraph with docker in the port 8000, my code of golang here:
...ANSWER
Answered 2020-Aug-31 at 15:11Welcome to Stack Overflow!
To get your code working locally with the docker "standalone" version of DGraph I had to change 2 things:
- use port
9080
. The container exposes 3 ports:8000
,8080
,9080
. Using8080
or8000
I get the same error you mentioned. - use the
v2
imports. Not sure which version of DGraph server you are running, so you might not need to do this. But in case you have a new server you need these imports:
QUESTION
When I perform this query
...ANSWER
Answered 2020-Nov-06 at 10:15There is not currently. With the upcoming @lambda
directive and javascript hook functions, you can have such features. Version 20.11 is exepected to be released early November, 2020.
QUESTION
ANSWER
Answered 2020-Oct-15 at 20:05It looks to me like you could be returning the appropriate data in your user resolver, with one exception: when Absinthe goes to resolve the fields for each user, the default resolver only looks for the fields as atom keys. When it can't find :uid
, :email
, or :name
in the parent maps, it returns nil
.
You could convert the result to have atoms as keys. One option if you want to go that route would just be to map over each user and explicitly copy what you want.
QUESTION
https://dgraph.io/tour/schema/8/
shows some options for deleting
- Delete a single triple
- Delete all triples for a given edge
- Delete all triples for a given node
Now i'd like to delete all triple for nodes of a given type. I assume this is done by some kind of combination of a query that selects the nodes for the the given type and then a mutation for each of these nodes. I couldn't find an example for this in the tutorial.
Let's assume I'd like to delete all triples for nodes of the type Country.
I know how to select the uids for the nodes:
...ANSWER
Answered 2020-Aug-11 at 13:07the following upsert seems to work:
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