goa | Design-based APIs and microservices in Go | REST library
kandi X-RAY | goa Summary
kandi X-RAY | goa Summary
Goa takes a different approach to building services by making it possible to describe the design of the service API using a simple Go DSL. Goa uses the description to generate specialized service helper code, client code and documentation. Goa is extensible via plugins, for example the goakit plugin generates code that leverage the Go kit library. The service design describes the transport independent layer of the services in the form of simple methods that accept a context and a payload and return a result and an error. The design also describes how the payloads, results and errors are serialized in the transport (HTTP or gRPC). For example a service method payload may be built from an HTTP request by extracting values from the request path, headers and body. This clean separation of layers makes it possible to expose the same service using multiple transports. It also promotes good design where the service business logic concerns are expressed and implemented separately from the transport logic. The Goa DSL consists of Go functions so that it may be extended easily to avoid repetition and promote standards. The design code itself can easily be shared across multiple services by simply importing the corresponding Go package again promoting reuse and standardization across services.
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goa Examples and Code Snippets
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Trending Discussions on goa
QUESTION
I am trying to get the count of location wise data and budget wise data in a single query for all owners from the same collection. In future we may need to show reports based on project wise as well. Below is the sample collection.
...ANSWER
Answered 2022-Mar-31 at 09:34Edit:
In this case, I would edit my original response and suggest:
QUESTION
I am trying to pass a subset of my dataframe rows — conditioned with 'rating_count' > m — to the 'weighted_rating' function. However, the passed data contains only the 'user_id' column while it's expected to contain several other columns. As the result I receive the KeyError on the line v = xx['rating_count'] (see the log below).
So, I need xx['rating_count'] and xx['rating'] to be present inside the function.
ANSWER
Answered 2022-Mar-25 at 17:12I assume you want to apply weighted_rating() to each row of the dataframe final_data. In order to do that, you need to pass axis=1 to apply() method.
QUESTION
I've JSON array which is returned after an edit success in react-redux-saga. The record I updated before and after successfull update comes together as an element of JSON array. So, I need to replace the old resort element with the newly updated resort values and also delete the old resort.
Here, in this example, I have updated resortId(id)=15, but my redux-saga returns both-old resort and the updated new resort,clubbed together in a single element in JSON array cuz in the this.props(cuz place part in this id=15 belongs to another saga store).
...ANSWER
Answered 2022-Mar-20 at 20:52I found a solution to flatten the child props using this answe on this link
Here's the code I modified according to my needs
QUESTION
I was creating a project in which the website will automatically send the emails to the member who's last date of bill payment is today. To do so I created a method in the model class of Entry in my django project. I have fully configured the smtp settings in project/settings.py . The email is going to the member but the issue is that each time the user refreshes the page the email is sent. It is sending email again and again. I am tired out of it, please tell me the solution of this problem.
here is entries/models.py
...ANSWER
Answered 2022-Mar-12 at 07:45There are mainly two problems with your current code:
Problem: The line where you set
is_email_sent = Truelies after the function return, so it'll never be executed.Solution: Set the variable before the function return. Actually, it should happen right after
send_mail()is executed
QUESTION
I have created a service account key for a GCP service account using the Terraform google provider. I've set the private key type to "TYPE_PKCS12_FILE", which we require for compatibility with an existing application.
When I was testing this as a PoC, I created the P12 key though the console, and it worked with no issues. Now, I want to handle key generation in our Terraform script, and I cannot get a working P12 key. The actual key resource is created, and it contains a public_key field, which can be base64 decoded to a valid RSA certificate, and a private_key, which is supposedly a P12 file which has been base64 encoded, if I am reading the documentation properly.
I have tried saving the private_key value from Terraform into a file, and base64 decoding it manually. It superficially resembles a known valid P12 bundle, but it is reported as an invalid certificate when I try to import it anywhere.
The object in the state looks like:
...ANSWER
Answered 2022-Mar-03 at 15:09Answering this question for myself because the specific error received from Terraform needs some explanation. If you try to use TF's built-in base64decode() function on the private key, it gives the error "the result of decoding the provided string is not valid UTF-8".
I originally assumed that this was an error with the cert, because I had thought that I was expecting the private key to be a PEM certificate, but the private_key value actually contains the full P12 bundle.
The basic operation of decoding that string as base64 is correct, but as it turns out, Terraform only supports a limited range of encodings. Decoding to a P12 bundle is not supported in Terraform, because TF parses the output of the base64decode() call to confirm it is valid and it cannot validate the encoding of a P12, since that encoding is not supported.
The solution is to save the output string of the private_key property into a txt file, then use a certificate management tool like openssl or certutil to handle the decoding.
Example:
QUESTION
Hi I am trying to read a .osm file in pandas using xml.etree.ElementTree.
How to fetch the id inside node and the values of tag k = "" v = ""
Input:
...ANSWER
Answered 2022-Feb-11 at 06:46findtext looks for an element, but id is not an element; it's an attribute. You want item.attrib['id'], or perhaps item.get('id').
QUESTION
I am unsure why I cannot use onClick on this within map function???I am getting the data from useSelector in my redux file. Clicking the TestComponent does nothing it seems can't even console log anything. I took out some irrelevant code to see easier. MY actual goa lis to pass the index in the TestComponent to a reducer method. But first I just want to console something at least.
...ANSWER
Answered 2021-Jul-30 at 17:16You have not created any class or function-based component. Try to make this function-based component as you are using Hooks and call it. Then it will work. Also, you have not imported TestComponent. Do like this and it will work hopefully:
QUESTION
Opencv facing an error for tesseract moule not found even after installations
pip install tesseract
opencv reinstallation also done but it wont work.
opencv installation commands are
pip install opencv-python
pip intstall opencv-contrib-python
tesseract.exe installtion using this github guidance -link
Still iam facing this below error
...error - tesseract module not found
ANSWER
Answered 2022-Feb-01 at 14:04After fixing this error working fine changing file path (C:\Program Files(x86)\Tesseract-OCR\tesseract.exe) to ->(C:\Program Files\Tesseract-OCR\tesseract.exe)
Whatever your path in windows programfiles, do not use a Program Files(x86) it wont work
Still showing or not installing error you are facing then press windows + R keys and run your file path (C:\Program Files\Tesseract-OCR\tesseract.exe) it wil work for me,
This mentioned error had fixed - tesseract module not found
Hope it will help some one.
QUESTION
Input As
=====================
city1 city2 distance
=====================
Raipur Goa 500
Goa Raipur 500
Manik Jamui 200
Jamui Manik 200
Noida Pune 100
Output:
=====================
city1 city2 distance
=====================
Raipur Goa 500
Jamui Manik 200
Noida Pune 100
ANSWER
Answered 2022-Jan-22 at 07:35Try this:
QUESTION
I have pandas dataframe as follows,
...ANSWER
Answered 2022-Jan-07 at 07:17First join values with replace NaNs (floats) to empty lists:
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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No vulnerabilities reported
Install goa
A couple of Getting Started guides produced by the community. Joseph Ocol from Pelmorex Corp. goes through a complete example writing a server and client service using both HTTP and gRPC transports. Gleidson Nascimento goes through how to create a complete service that using both CORS and JWT based authentication to secure access.
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