zangw

zangw has asked 44 questions and find answers to 98 problems.

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zangw questions

Beam: AfterProcessingTime cause 'NoneType' object has no attribute 'time'
What does "+!!" do in JavaScript? [duplicate]
Difference between 'for a[-1] in a' and 'for a in a' in Python?
There is no real float type in Node.js/V8?
Why fork() return 0 in the child process?
Is instanceof Array better than isArray in JavaScript?
Function overloading by swapping order of parameters
AttributeError: 'module' object has no attribute 'ensure_str'
Data structure to represent multiple equivalent keys in set in Python?
Should exchange or queue be declared multiple times in RabbitMQ?

zangw answers

server error: rpc error: code = Unavailable desc = transport is closing" in gRPC
mongoose array push without duplicate
MongoDB ensurIndex and createIndex using nodeJS?
How to use mongoose model schema with dynamic keys?
Differentiating +0 and -0
Mongoose update not persisting
Why isn't "2016-02-16" equal to "2016-02-16 00:00"?
How to specify default values when parsing JSON in Go
Node.JS write to stdout without a newline
What is the proper way to determine if an object is a bytes-like object in Python?