universe-topology

The universal knowledge topology connects all the computer science knowledge in the world.

And all of us can open an issue to share your story or raise a question, discuss about it, and precipitate this as available knowledge.

Gradually, we can build up a lot of nodes of knowledge, finally building the topology.

What will we build

All opinions and knowledge about computer science are welcomed. With the worldwide people's effort, we can exchange and inspect what we know and don't know, and we will build a huge topology, which can be used to fed more.

Content

Python

• Don't need to join non-daemon threads in Python?

• Why Python 3 can call unbound method with an instance object of another type as the first argument?

• How to write a decorator for generator function in Python?

• Direct variable reference as function argument runs faster?

• Why name refers to a function within a class is interpreted as an instancemethod in Python 2 rather a general function in Python 3?

• The evolution of coroutine in Python

• How the coroutine works differently between tornado and asyncio?

• What's the difference between local variable, cell variable and free variable?

• How the write function in python runs as fast as that in c?

• How to correctly use ioloop in multithread environment?

pytest

• How to elegantly specify fixture usage at the test module level in pytest?

Protobuf

• ListFields method doesn't return field with default value in Python Protobuf 3

Linux

• Why command rm doesn't reclaim disk space in Linux

MySQL

• Why MySQL limits prefix key field length in multi column index?

FAQ

• How to contribute?

It's easy. You may just start by opening an issue.

• Can I only use english?

No, it depends on you. But we think that it's more friendly to use a common language like english, and all programmers can benift from it.

• Are there any limits in programming language?

No, all programming languages are welcomed.

• Why must I use issue here rather than document file?

Because it's easier to raise something than write a document file and we hope all of use can discuss about the issue in an independent context.