andela-anandaa

from collections import ChainMap

# Traditionally, you can combine dictionaries into one,
# however, this creates a totally new dictionary

# e.g. for Python 3.5, you could do this:

a = {'name': 'Andela'}
b = {'class': 'World'}

JonCatmull

import { Pipe, PipeTransform } from '@angular/core';
import { DatePipe } from '@angular/common';

import { RelativeDatePipe } from './relative-date.pipe'; // https://gist.github.com/JonCatmull/e00afb1c96298a4e386ea1b5d091702a

const secondsInAday = 86400;

/*
 * Turn Date into realtive date (e.g. "5 days ago") unless date is
 * more than relativeMax days ago.

JonCatmull

import { Pipe, PipeTransform } from '@angular/core';

// Epochs
const epochs: any = [
    ['year', 31536000],
    ['month', 2592000],
    ['day', 86400],
    ['hour', 3600],
    ['minute', 60],
    ['second', 1]

BolajiOlajide

.selector {
  /* Positioning */
  position: absolute;
  z-index: 10;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;

  /* Display */

risent

import random
import time
import numpy
from exceptions import ValueError


class PushID(object):
    # Modeled after base64 web-safe chars, but ordered by ASCII.
    PUSH_CHARS = ('-0123456789'
                  'ABCDEFGHIJKLMNOPQRSTUVWXYZ'

olivierlacan

This guide assumes that you recently run brew upgrade postgresql and discovered to your dismay that you accidentally bumped from one major version to another: say 9.3.x to 9.4.x. Yes, that is a major version bump in PG land.

First let's check something.

brew info postgresql

The top of what gets printed as a result is the most important:

pv8

#!/usr/bin/env bash
#
# Fix virtualenv symlinks after upgrading python with Homebrew and then running
# `cleanup`.
#
# After upgrading Python using Homebrew and then running `brew cleanup` one can
# get this message while trying to run python:
# dyld: Library not loaded: @executable_path/../.Python
#   Referenced from: /Users/pablo/.venv/my-app/bin/python
#   Reason: image not found

marianposaceanu

Linux fun-o-matic

How to have some fun using the terminal.

1. Install cowsay [0] via : sudo apt-get install cowsay
2. Install fortune [1] via : sudo apt-get install fortune
3. Make sure you have Ruby installed via : ruby -v
4. Install the lolcat [2] via : gem gem install lolcat
5. Profit!

absent1706

def truncate_db(engine):
    # delete all table data (but keep tables)
    # we do cleanup before test 'cause if previous test errored,
    # DB can contain dust
    meta = MetaData(bind=engine, reflect=True)
    con = engine.connect()
    trans = con.begin()
    con.execute('SET FOREIGN_KEY_CHECKS = 0;')
    for table in meta.sorted_tables:
        con.execute(table.delete())

jeshan

function getLambdaEventSource(event) {
    if (event.Records && event.Records[0].cf) return 'isCloudfront';

    if (event.configRuleId && event.configRuleName && event.configRuleArn) return 'isAwsConfig';

    if (event.Records && (event.Records[0].eventSource === 'aws:codecommit')) return 'isCodeCommit';

    if (event.authorizationToken === "incoming-client-token") return 'isApiGatewayAuthorizer';

    if (event.StackId && event.RequestType && event.ResourceType) return 'isCloudFormation';