anapaulagomes

#!/usr/bin/python
"""
    Pre-commit hook for git written in Python.
    Check if there is any migration number used more than one in each
    migrations folder of South or Django >= 1.7.
    You can install this pre-hook by executing the command:
        ln -s ./git-pre-commit-hook .git/hooks/pre-commit
        chmod +x .git/hooks/pre-commit
    Or by calling the current script or check_migrations_files() in your
    own file.

anapaulagomes

$ git reflog my-branch  # get the hash of the commit you want to be the HEAD (to be the last one in your git log)

$ git reset --hard a91ab06a5

anapaulagomes

from celery.signals import task_failure, after_task_publish


@app.task(bind=True)
def my_task(self):
    print(1/0)  # this line will cause an exception


@after_task_publish.connect(sender='mymodule.tasks.my_task')
def task_sent_handler(sender=None, headers=None, body=None, **kwargs):

anapaulagomes

class DbWorker:
    """Doing the hard work on the DB."""
    def __init__(self, queries):
        self.queries = queries  # old tables

    def _connect(self, credentials):
        # TODO here only db connection stuff - must return the cursor
        # TODO must thrown an exception in error cases
        pass

anapaulagomes

"""
Hugo new post

> python newpost.py --title="Regex pra quem não sabe Regex" --lang=pt-br --editor=atom

Same of:

hugo new regex-pra-quem-não-sabe-regex.pt-br.md --editor=atom
"""
import argparse

anapaulagomes

# Taken from: https://cito.github.io/blog/f-strings/

import timeit

format = """
def format(name, age):
    return f'He said his name is {name} and he is {age} years old.'
""", """
def format(name, age):
    return 'He said his name is %s and he is %s years old.' % (name, age)

anapaulagomes

Intellij Tricks

How to add code snippet (also called Live Templates)

https://www.jetbrains.com/help/pycharm/creating-and-applying-live-templates-code-snippets.html

anapaulagomes

Git Tricks

Add changes by chunks

git add -p

Squash, edit, delete etc (interactive rebase)

git rebase -i HEAD~5 # last five commits

Rename a branch

anapaulagomes

#!/bin/bash

echo "Running tests..."
  pytest tests/
  code=$?

  if [ "$code" -eq "0" ]; then
      echo
      echo
      echo "All tests passed. Continuing..."

anapaulagomes

db.logs.aggregate({$group: {_id: {'exchangeType': '$result.exchangeType'}, soma: {$sum: 1}}})