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QUESTION
I'm having trouble finding what Azure Cosmos DB supports in using npm gremlin and Tinkerpop.
https://www.npmjs.com/package/gremlin
The gremlin package makes no reference to client.submit scripts, however, the Azure Node.js sample code uses submit.
https://github.com/Azure-Samples/azure-cosmos-db-graph-nodejs-getting-started/blob/master/app.js
Also, when I use tinkerpop features like filter, elementMap, etc. in a client.submit, it throws an error that it can't find it.
g.V().elementMap('age')
This suggests to me that only certain Tinkerpop features work inside client.submit. I'm using the latest http://tinkerpop.apache.org/docs/3.4.4/reference/
I don't get any response from Azure on this topic. Can anyone shed some light on how to use the latest gremlin and tinkerpop with Azure Cosmos DB? If not latest, which specific versions of each are supported?
Thanks, Donnie
...ANSWER
Answered 2020-Feb-10 at 20:10I'm not an expert on CosmosDB but I don't think they support any specific version of TinkerPop but rather a subset of the available functions (though they have been steadily moving toward more full fledged support since release). Your best bet would be to look at the Gremlin steps they have documented as the ones they support and only use those. That list of steps can be found here.
Note that there have been times where CosmosDB users here in Stackoverflow have come to find that there are supported steps not listed on that page, so giving a step a try if you really need it, even if not listed there, might actually work for you.
QUESTION
See the code below from lines 14-20 of this GitHub file. Why does Google use backticks or "template literals" in the require functions, instead of regular single or double quotes?
The code is from a testing script in Google's tutorial for using NodeJS on AppEngine. I researched template literals and the require function but could not find any resource explaining why one would use template literals in a require statement, or what effect it would have.
...ANSWER
Answered 2018-Apr-11 at 01:57The relevant PR can be found here. PR does not indicate any particular reason why it's done that way which indicates that it's either the developer's taste or a show of ES features.
Google does have an updated JS code style document which covers newer syntax if you're curious how they'd like JS written.
QUESTION
I am making a web app with node.js using google app engine.
I want to redirect https://MY_PROJECT_ID.appspot.com to mycustome domain. I followed this maual but does not work. What is problem?
...ANSWER
Answered 2017-Dec-04 at 17:53The dispatch file is only used to direct a request already reaching your app to the appropriate service/module. If the request doesn't match any dispatch.yaml
rules it is automatically directed to the default
service (making your rule redundant, BTW).
The dispatch file does NOT redirect a request to another domain (or anywhere back outside your app, really). So you're on the wrong track at this point.
You need to take care of such redirection in your application. Possibly relevant starting points for that:
QUESTION
I am referring the following code to upload a file into Google Cloud Storage https://github.com/GoogleCloudPlatform/nodejs-getting-started/blob/master/3-binary-data/lib/images.js#L48
I was able to upload successfully, Now i am trying to add metadata to file so i have modified the code as below
...ANSWER
Answered 2017-Nov-29 at 09:54If you want to attach metadata to file, then you need to keep that data under metadata. Change your code to the following
QUESTION
I followed all the steps mentioned in this sample app link. GitHubLink. When running the script (npm run init-cloudsql) to initialize mysql database, I get an error below:
...ANSWER
Answered 2017-Oct-09 at 03:59You need to whitelist your IP to access Cloud SQL. https://cloud.google.com/sql/docs/mysql/instance-access-control
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