1.文件查找
find命令
$ find <指定目录> <指定条件> <指定动作>
http://www.ruanyifeng.com/blog/2009/10/5_ways_to_search_for_files_using_the_terminal.html
示例:
$ find ~/code -name '*.py' | head
/Users/chenwenxin/code/arcanist/scripts/breakout.py
/Users/chenwenxin/code/ml/MLP/machielearning-MLP/com/__init__.py
/Users/chenwenxin/code/ml/MLP/machielearning-MLP/com/wenxin/__init__.py
/Users/chenwenxin/code/ml/MLP/machielearning-MLP/com/wenxin/mlp/__init__.py
/Users/chenwenxin/code/ml/MLP/machielearning-MLP/com/wenxin/mlp/algorithm/__init__.py
/Users/chenwenxin/code/ml/MLP/machielearning-MLP/com/wenxin/mlp/algorithm/Adaline.py
/Users/chenwenxin/code/ml/MLP/machielearning-MLP/com/wenxin/mlp/algorithm/DecisionTree.py
/Users/chenwenxin/code/ml/MLP/machielearning-MLP/com/wenxin/mlp/algorithm/GBDT.py
/Users/chenwenxin/code/ml/MLP/machielearning-MLP/com/wenxin/mlp/algorithm/LogisticRegression.py
/Users/chenwenxin/code/ml/MLP/machielearning-MLP/com/wenxin/mlp/algorithm/Perceptron.py
2.查找钥匙串
command+空格,点开keychain工具,找到想要找的账号的密码,比如wifi密码,右键复制密码到剪切板,然后输入账号密码即可
3.brew
1)安装
ruby -e
"
$(curl -fsSL https://raw.github.com/mxcl/homebrew/go
)
"
2)使用
搜索 :
$ brew search science
正则搜索:
$ brew search /python*/
列出已安装列表:
$ brew list
4.pip安装scikit-learn
因为brew工具不提供scikit-learn包
示例:
$ brew install scikit-learn
可以通过python库安装工具,pip工具来安装,具体
示例:
Error:
No available formula with the name "scikit-learn"
$ sudo easy_install pip
$ pip install -U scikit-learn
5.python中science包的使用
>>> from sklearn import datasets;
>>> import scipy;
>>> import numpy;
>>> import matplotlib;
6.type命令
type <快捷命令>
示例1:cd命令
$ type cd
cd is a shell builtin
示例2:fuck命令
$ type fuck
fuck is a function
fuck ()
{
TF_PYTHONIOENCODING=$PYTHONIOENCODING;
export TF_ALIAS=fuck;
export TF_SHELL_ALIASES=$(alias);
export TF_HISTORY=$(fc -ln -10);
export PYTHONIOENCODING=utf-8;
TF_CMD=$(
thefuck THEFUCK_ARGUMENT_PLACEHOLDER $@
) && eval $TF_CMD;
unset TF_HISTORY;
export PYTHONIOENCODING=$TF_PYTHONIOENCODING;
history -s $TF_CMD
}