akutan | A distributed knowledge graph store | Graph Database library
kandi X-RAY | akutan Summary
kandi X-RAY | akutan Summary
There's a blog post that's a good introduction to Akutan. Akutan is a distributed knowledge graph store, sometimes called an RDF store or a triple store. Knowledge graphs are suitable for modeling data that is highly interconnected by many types of relationships, like encyclopedic information about the world. A knowledge graph store enables rich queries on its data, which can be used to power real-time interfaces, to complement machine learning applications, and to make sense of new, unstructured information in the context of the existing knowledge.
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QUESTION
following are my files for html, .ts and json . As json data was very extensive therefore i have just added a few states and their cities. my 1st dropdown is showing all states. Now I want to match my 1st dropdown's selected value of state with a key "state" in "cities" object in my json file so i can populate 2nd dropdown with cities relevant to that state. and I want to do this in function "getCitiesForSelectedState". please help me find solution for this.
//.ts file
...ANSWER
Answered 2021-Apr-27 at 16:44You can do it with the $event
parameter.
Make sure to compare your values safely.
If your value is not in the right type or has spaces or unwanted chars, this c.state == val
might not work.
You can use the trim
function to compare your value safely:
c.state.trim() == val.trim()
HTML
QUESTION
I have a dataframe df:
...ANSWER
Answered 2021-Jan-19 at 22:00You had some issues with your function. You only had the name of the column but did not specify a dataframe. For example, instead of just putting the column name variable lat1
, you have to put the column name as enclosed brackets next to dataframe to actually call the column and not just a string with: df[lat1]
:
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