bwagner

"""
Add copy to clipboard from IPython!
To install, just copy it to your profile/startup directory, typically:

    ~/.ipython/profile_default/startup/
    
updated version: https://gist.github.com/bwagner/270da7c7d31af7ffaca32674557fc172

Example usage:

disconnect3d

CC=gcc
CFLAGS=-Wall -Wextra -Wpedantic
LDFLAGS=

SOURCES=$(wildcard *.c )
OBJECTS=$(SOURCES:.c=.o)
EXECUTABLE=exec

all: $(EXECUTABLE)
	./$(EXECUTABLE)

jgillman

# Assumes the database container is named 'db'

DOCKER_DB_NAME="$(docker-compose ps -q db)"
DB_HOSTNAME=db
DB_USER=postgres
LOCAL_DUMP_PATH="path/to/local.dump"

docker-compose up -d db
docker exec -i "${DOCKER_DB_NAME}" pg_restore -C --clean --no-acl --no-owner -U "${DB_USER}" -d "${DB_HOSTNAME}" < "${LOCAL_DUMP_PATH}"
docker-compose stop db

lysender

<?php

use Aws\Kms\KmsClient;

// Somewhere in the controller or model
$this->load->config('aws');

// Not needed for EC2 instance role based authorization - for my local instance only
$key = $this->config->item('aws_s3_access_key');
$secret = $this->config->item('aws_s3_secret_key');

nephthys

<ul class="nav navbar-nav">
    <li{% if app_name == 'pages' %} class="active"{% endif %}>
        <a href="{% url "page_list" %}">{% trans "Pages" %}</a>
    </li>
</ul>

Zearin

NOTE: This is a question I found on StackOverflow which I’ve archived here, because the answer is so effing phenomenal.

---

Q: How can I make a chain of function decorators in Python?

---

If you are not into long explanations, see [Paolo Bergantino’s answer][2].

odyniec

import shutil, tempfile
from os import path
import unittest

class TestExample(unittest.TestCase):
    def setUp(self):
        # Create a temporary directory
        self.test_dir = tempfile.mkdtemp()

    def tearDown(self):

shawnbutts

def bytesto(bytes, to, bsize=1024):
    """convert bytes to megabytes, etc.
       sample code:
           print('mb= ' + str(bytesto(314575262000000, 'm')))

       sample output: 
           mb= 300002347.946
    """

    a = {'k' : 1, 'm': 2, 'g' : 3, 't' : 4, 'p' : 5, 'e' : 6 }

stober

def consumer(func):
    """
    See: http://www.dabeaz.com/generators/
    """
    def start(*args,**kwargs):
        c = func(*args,**kwargs)
        c.next()
        return c
    return start

jboner

Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference                           0.5 ns
Branch mispredict                            5   ns
L2 cache reference                           7   ns                      14x L1 cache
Mutex lock/unlock                           25   ns
Main memory reference                      100   ns                      20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy             3,000   ns        3 us
Send 1K bytes over 1 Gbps network       10,000   ns       10 us
Read 4K randomly from SSD*             150,000   ns      150 us          ~1GB/sec SSD