CoolMind

If you cannot measure it, you cannot improve it.

Python contextlib

There are some resources we need to release when we finish our job. It is easy for us to forget those operations. Python has a keyword with which c...

Posted by chunyang on March 11, 2020

Move subdirectory of a git repository and keep commit message

How to extract a subdirectory of a git repository and keep its commit message? If we directly move everything and add them again, we will lose all ...

Posted by chunyang on March 8, 2020

Common functions implemented using STL

Introduction Count lines String trim Convert case Split and Join strings Filter Map Reduce Introduction STL provides a lot of u...

Posted by chunyang on February 8, 2020

SuperTAB and YouCompleteMe compatibility

SuperTAB YouCompleteMe Problems SuperTAB SuperTAB Github YouCompleteMe YouCompleteMe Github Problems StackExchange SuperTAB and ...

Posted by chunyang on December 26, 2019

Generate random numbers in C++

Some times we need a random number for sort or as the input of our program. Previously we can use rand() to generate. Since c++ 11, we have a new w...

Posted by chunyang on November 6, 2019

setup.py in Python

When we create a python package, we will distribute it. There are a couple of ways to achieve this purpose: by source code by whl by upload...

Posted by chunyang on November 5, 2019

operator module in Python

Introduction Common operator Relation Bit operations Elements and attributes Other Examples Introduction Python’s operator module...

Posted by chunyang on November 2, 2019

std::ofstream in cpp

Introduction A simple example Common interfaces Open & close Write data Position Control output formats ...

Posted by chunyang on November 1, 2019