阿小信的博客

brew install pyenv

export PATH="$HOME/.pyenv/bin:$PATH"
eval "$(pyenv init -)"
eval "$(pyenv virtualenv-init -)"

pyenv commands

pyenv install --list

pyenv versions

pyenv install 3.4.0
pyenv rehash

pyenv uninstall 3.4.0

pyenv local 3.4.0   # 在当前目录改变python版本
pyenv local --unset # 取消改变
pyenv global 3.4.0  # 全局改变python版本
pyenv shell 3.4.0   # 改变当前shell的python版本

pyenv rehash

# 将virtualenv安装在pypy中
pyenv local pypy-2.3.1
pyenv virtualenv venv_pypy
pyenv local venv_pypy
which python
pip install -Ur requirements.txt
pip install -U Gunicorn
pyenv rehash
which gunicorn
gunicorn -b :5000 -w 9 werkzeug.testapp:test_app

- ar    AR Archives (*.a)
- bz2   Bz2 Compressed Files (*.bz2)
- tbz2  Bz2 Compressed Tarballs (*.tar.bz2)
- gz    Gzip Compressed Files (*.gz)
- tgz   Gzip Compressed Tarballs (*.tar.gz; *.tgz)
- tar   Uncompressed Tarballs (*.tar)
- cab   Windows Cabinet Archive (*.cab)
- xz    XZ Compressed Files (*.xz)
- txz   XZ Compressed Tarballs (*.tar.xz)
- zip   Zip Archives (*.zip; *.egg; *.whl; *.jar)

unp FILENAME

sudo pip install unp

brew install cheat

sudo pip install cheat

> cheat find
# To find files by case-insensitive extension (ex: .jpg, .JPG, .jpG):
find . -iname "*.jpg"

# To find directories:
find . -type d

# To find files:
find . -type f

# To find files by octal permission:
find . -type f -perm 777

# To find files with setuid bit set:
find . -xdev \( -perm -4000 \) -type f -print0 | xargs -0 ls -l

# To find files with extension '.txt' and remove them:
find ./path/ -name '*.txt' -exec rm '{}' \;

# To find files with extension '.txt' and look for a string into them:
find ./path/ -name '*.txt' | xargs grep 'string'

# To find files with size bigger than 5 Mb and sort them by size:
find . -size +5M -type f -print0 | xargs -0 ls -Ssh | sort -z

# To find files bigger thank 2 MB and list them:
find . -type f -size +20000k -exec ls -lh {} \; | awk '{ print $9 ": " $5 }'

# To find files modified more than 7 days ago and list file information
find . -type f -mtime +7d -ls

# To find symlinks owned by a user and list file information
find . -type l --user=username -ls

# To search for and delete empty directories
find . -type d -empty -exec rmdir {} \;

# To search for directories named build at a max depth of 2 directories
find . -maxdepth 2 -name build -type d

# To search all files who are not in .git directory
find . ! -iwholename '*.git*' -type f

# Find all files that have the same node (hard link) as MY_FILE_HERE
find . -type f -samefile MY_FILE_HERE 2>/dev/null

pip install pipreqs

$ pipreqs /home/project/location
Successfully saved requirements file in /home/project/location/requirements.txt

pip install ptpython

pip install ptpython

> git push
fatal: The current branch test has no upstream branch.
To push the current branch and set the remote as upstream, use

    git push --set-upstream origin test
> fuck
git push --set-upstream origin test
Total 0 (delta 0), reused 0 (delta 0)
To git@github.com:axiaoxin/tests.git
* [new branch]      test -> test
Branch test set up to track remote branch test from origin.

pip install thefuck

alias fuck='eval $(thefuck $(fc -ln -1)); history -r'
# You can use whatever you want as an alias, like for Mondays:
alias FUCK='fuck'

alias fuck='eval $(thefuck $(fc -ln -1 | tail -n 1)); fc -R'

pip install SimpleTornadoServer

pip install pythonpy

$ py '3 * 1.5'
4.5

$ py 'math.exp(1)'
2.71828182846

$ py 'random.random()'
0.103173957713

$ py 'range(3)'
0
1
2

$ py '[range(3)]'
[0, 1, 2]

$ py 'range(3)' | py -x 'int(x)*7'
0
7
14

$ py 'range(3)' | py -x 'x + ".txt"'
0.txt
1.txt
2.txt

$ py 'range(8)' | py -x 'x if int(x)%2 == 0 else None'
0
2
4
6

$ py 'range(3)' | py -l 'l[::-1]'
2
1
0

$ py 'range(3)' | py -l 'sum(int(x) for x in l)'
3

$ py 'range(17)' | py -l 'len(l)'
17

$ cat /usr/share/dict/words | py -x 'x[0].lower()' | py -l 'collections.Counter(l).most_common(5)'
('s', 11327)
('c', 9521)
('p', 7659)
('b', 6068)
('m', 5922)

$ py 'datetime.datetime.now?'
Help on built-in function now:

now(...)
    [tz] -> new datetime with tz's local day and time.

pip install json2xls

json2xls cmd_str_test.xls '{"a":"a", "b":"b"}'
json2xls cmd_str_test1.xls '[{"a":"a", "b":"b"},{"a":1, "b":2}]'

json2xls cmd_list_test.xls "`cat list_data.json`"

json2xls cmd_line_test.xls line_data.json

json2xls cmd_get_test.xls http://httpbin.org/get
json2xls cmd_post_test.xls http://httpbin.org/post -m post -d '"hello json2xls"' -h "{'X-Token': 'bolobolomi'}"