zangw

zangw has asked 42 questions and find answers to 97 problems.

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Nobody is a worse programmer than your past self.

zangw questions

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?
How to remove the same object in two arrays with lodash or underscore?

zangw answers

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?
Is it better to save id of a document in another document as ObjectId or String