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hazelement / abstract_class.py
Last active September 13, 2018 16:10
Python class
# python 2
from abc import abstractmethod, ABCMeta
ABC = ABCMeta('ABC', (object,), {'__slots__': ()})
class AbstractClassExample(ABC):
@abstractmethod
def do_something(self):
pass
@hazelement
hazelement / user.sql
Created September 5, 2018 20:28
Postgres
/* create user with password */
CREATE USER xxx WITH ENCRYPTED PASSWORD 'xxxxxxx';
/* set permissions */
GRANT CONNECT ON DATABASE mydb TO xxx;
GRANT USAGE ON SCHEMA public TO xxx;
GRANT SELECT ON ALL TABLES IN SCHEMA public TO xxx;
ALTER DEFAULT PRIVILEGES IN SCHEMA public GRANT SELECT ON TABLES TO xxx;
@hazelement
hazelement / python_iterrate.py
Last active September 3, 2018 22:17
Python iterrate
# pandas dataframe
for index, row in df.iterrows():
print row['c1'], row['c2']
# dictionary
for key, value in d.iteritems():
print(key, value)
@hazelement
hazelement / dropbox_git.md
Created December 31, 2015 17:34 — forked from trey/dropbox_git.md
Using Dropbox to Share Git Repositories

Using Dropbox to Share Git Repositories

First, create a Git subfolder inside your Dropbox folder. Then you can share the individual projects inside that folder with whomever you want (or just use it for instant offsite backups).

From inside a Git project:

git clone --bare . ~/Dropbox/Git/gitproject.git
git remote add dropbox ~/Dropbox/Git/gitproject.git

When you're ready to push: