Related to Google Protocol Buffers, borrows its name from the .proto file extension containing a protocol schema.
Questions tagged [proto]
433 questions
68
votes
6 answers
How to solve "AttributeError: module 'google.protobuf.descriptor' has no attribute '_internal_create_key"?
I encountered it while executing from object_detection.utils import label_map_util in jupyter notebook. It is actually the tensorflow object detection tutorial notebook(it comes with the tensorflow object detection api)
The complete error…
Reghunaath A A
- 2,300
- 2
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- 15
24
votes
1 answer
Import and usage of different package files in protobuf?
I have imported an other proto which having different package name than mine. For usage of messages from other package, have accessed that message with package name.
For Example :
other.proto
package muthu.other;
message Other{
required float…
Muthurathinam
- 513
- 2
- 5
- 19
23
votes
1 answer
R: Passing a data frame by reference
R has pass-by-value semantics, which minimizes accidental side effects (a good thing). However, when code is organized into many functions/methods for reusability/readability/maintainability and when that code needs to manipulate large data…
Sim
- 11,689
- 7
- 57
- 85
22
votes
10 answers
protoc-gen-go: program not found or is not executable
I am trying to build a sample app with go grpc but I am unable to generate the code using "protoc"
Have installed the required libraries/go packages using:
go get -u google.golang.org/grpc
go get -u github.com/golang/protobuf/protoc-gen-go
Have…
Mayank Gupta
- 691
- 1
- 5
- 18
15
votes
2 answers
Understanding the __extends function generated by typescript?
I am playing with Typescript and trying to understand the compiled Javascript code generated by the compiler
Typescript code:
class A { }
class B extends A { }
Generated Javascript code:
var __extends = (this && this.__extends) || (function () {
…
supersan
- 4,328
- 1
- 34
- 51
14
votes
2 answers
Where to store proto files which are shared among projects?
I have project A and project B. They may be in different programming languages.
Project A exposes an API using proto files, which project B will use to then generate the API in the programming language which project B uses.
But where are the proto…
stwykd
- 1,935
- 1
- 12
- 17
13
votes
1 answer
Python protobuf gRPC generates a dependency that doesn't exist
I'm trying to create a gRPC binding for my python code via:
python -m grpc_tools.protoc -I $(pwd)/protos --python_out=./fino/pb2 --grpc_python_out=./fino/pb2 -I=$GOPATH/src -I=$GOPATH/src/github.com/gogo/protobuf/protobuf $(pwd)/protos/*
But the…
nmiculinic
- 1,674
- 15
- 34
12
votes
4 answers
How to convert Google proto timestamp to Java LocalDate?
We need to convert Google Proto buffer time stamp to a normal date. In that circumstance is there any way to convert Google Proto buffer timestamp to a Java LocalDate directly?
Thirunavukkarasu
- 241
- 1
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- 10
10
votes
3 answers
grpc organization in microservices
I'm creating a system using a microservices architecture. There are two microservices A and B, each living in their own repository.
There is a user.proto file containing protobuf definition and gRPC method signatures. A uses generated user.pb.go as…
kskyriacou
- 3,415
- 2
- 24
- 50
10
votes
2 answers
What is in Object.__proto__?
In Google Chrom's javascript, objects have a property named __proto__ that points to their prototype (or parent) object.
var foo = {};
console.log(foo.__proto__ === Object.prototype); //returns true
However, this is not true for the Object…
Alan Storm
- 157,413
- 86
- 367
- 554
9
votes
3 answers
How to determine the geom type of each layer of a ggplot2 object?
As part of an effort to remove a specific geom from a plot I've already created (SO link here), I'd like to dynamically determine the geom type of each layer of a ggplot2 object.
Assuming I don't know the order in which I added layers, is there a…
Erik Shilts
- 4,093
- 2
- 23
- 46
8
votes
1 answer
How to return a simple boolean value in ProtoBuffer?
in my proto file, I define a service interface:
syntax = "proto3";
package mynamespace;
import "google/protobuf/empty.proto";
service MyService {
rpc isTokenValid (TokenRequest) returns (TokenResponse) {
}
}
message TokenRequest {
…
Jeff Tian
- 4,481
- 1
- 38
- 54
7
votes
1 answer
Cannot import external proto file - Works in commandline but not in .net core 3 RC1
I'm moving my gRPC app from .net framework to .net core
I have two main proto files as follows
/Proto/common/common.proto
/Proto/my-service.proto
my-service.proto importing common.proto as simple as this:
common.proto
syntax="proto3";
package…
bunjeeb
- 965
- 1
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- 30
7
votes
2 answers
perl6 Need help to understand more about proto regex/token/rule
The following code is taken from the Perl 6 documentation, and I am trying to learn more about it before more experimentation:
proto token command {*}
token command:sym { }
token command:sym { }
…
lisprogtor
- 5,057
- 8
- 14
6
votes
1 answer
How does the prototype object of an inherited class equal a new instance of the original class in JavaScript?
I have been learning about inheritance in JavaScript, and could not understand a line of code in the tutorial at https://www.tutorialsteacher.com/javascript/inheritance-in-javascript.
The code is as follows:
function Person(firstName, lastName) {
…
Joon K
- 125
- 7