Boosting , short for Adaptive Boosting, is a machine learning ensemble meta-algorithm for primarily reducing bias, and also variance in supervised learning, and a family of machine learning algorithms that convert weak learners to strong ones.
在算 …
more ...more ...引子：一些机器学习算法（如线性回归）创建的模型需要拟合所有的样本数据。 问题： 1：数据特征众多且其间关系繁杂而密切 …
https://docs.python.org/3/library/heapq.html#heapq.heapify
时间复杂度O(N*logN)，额外空间复杂度O(1)。
堆结构非常重要
HEXO
├──.deploy_git/
├──node_modules/
├──public/
├──scaffolds/
├──source/
├──themes/
├──_config.yml
├──.gitignore
├──db.json
├──debug.log
└──package.json
.deploy_git which same as public/:hexo g -d ---> username.github.io
static files: deploy github
env files: local
The env files is deployed to github …
1. Two Sum 2. Add Two Numbers 4. Median of Two Sorted Arrays 5. Longest Palindromic Substring 8. String to Integer (atoi) 13. Roman to Integer 15. 3Sum 20. Valid Parentheses 21. Merge Two Sorted Lists 23. Merge k Sorted Lists 24. Swap Nodes in Pairs 25. Reverse Nodes …
more ...apt install libncurses5-dev
git clone git@github.com:vim/vim.git
cd vim
# YouCompleteMe unavailable: requires Vim compiled with Python (3.6.0+) support.
./configure --enable-pythoninterp=yes --enable-cscope --enable-fontset --with-python3-config-dir=/opt/conda/envs/blog/lib/python3.8/config-3.8-x86 …git + venv + pybuilder [1] virtualenv user guide [2] 廖雪峰-virtualenv [3] pybuilder tutorial [4] Managing Your Python Project with Git and PyBuilder [5] examples
How to add non-python file into a distribution? [1] Install additional files [2] doc
使用project.install_file(target, source …
$ mkdir myrepo
$ cd myrepo
$ git init
Initialized empty Git repository in /Users/jerrylsu/myrepo/.git/
$ git status
$ git diff filename
Check working directory status, and view changes made to the filemname.
$ git …
1. fork upstream_repo_url
2. git clone origin_repo_url
3. git remote add upstream upstream_url
4. git remote -v
5. git pull upstream dev
- git fetch upstream
- git checkout dev
- git merge upstream/dev
6. git checkout -b dev_01
(modify code...)
7. git push …