Jenny# 1194. Tournament Winnershttps://leetcode-cn.com/problems/tournament-winners/1 min read·May 21, 2021----
JennyUNION and UNION ALL command in SQLIf we want to display the results of the two select statements as a whole, we need to use the ‘UNION and UNION ALL keywords.2 min read·May 19, 2021--1--1
JennyDifference between Lemmatization and Stemming in NLPLemmatization and Stemming are both preprocessing stages in natural language processing(NLP). The purpose of using Lemmatization and…1 min read·May 6, 2021----
JennyDifference Between fit()&transform() and fit_transform()in sklearn.preprocessingThe two are all data preprocessing methods:2 min read·May 5, 2021----
JennySampling principles and strategiesFalse: If subjects are randomly assigned to treatments, conclusions can be generalized to the population.5 min read·Apr 9, 2021----
JennyThe solution to “Can’t connect to MySQL server on xxxxxWhen I want to build connections between database and Python programs with SQLAlchemy on Google Colab, it occurs errors saying…2 min read·Dec 24, 2020----