ETL is the most common tool in the process of building EDW, of course the first step in data integration. […]
Change Database Setting Open up mysite/settings.py, find snippet as blew: DATABASES = { ‘default’: { ‘ENGINE’: ‘django.db.backends.sqlite3’, ‘NAME’: os.path.join(BASE_DIR, ‘db.sqlite3’), […]
Although I touched python for a while, most of time I use it only for data analysis with panda or […]
Purpose Using pyspark to help analysis the situation of global warming. The data is from NCDC(http://www.ncdc.noaa.gov/) through 1980 to 1989 […]
cite from: http://turnoff.us/geek/inside-the-linux-kernel/ 1. The foundation is a file system. PID 421 is accessing files, while a watch dog is […]
Computer Science • Programming
An implementation of the singleton pattern must: ensure that only one instance of the singleton class ever exists class creates […]
OpenCV 4.0 has relased since more than 3 years after 3.0 release. As a most wildly used CV libary which […]
A simple prototype In the cluster, a Master – Slave structure set up. Master node responses to send the task […]
when a new intern debugging You set a breakpoint successfully, then Start a unit test Forget “where” in a SQL […]
Computer Science • Machine Learning
I had my first contact with NLP was sensitive classification by NLTK, which was refreshed me how NLP working. A […]