viveksoundrapandi

class Forwardable(object):
    def __init__(self, *args, **kwargs):
        self._delegates = []
        return super().__init__(*args, **kwargs)

    @property
    def delegates(self):
        return self._delegates

    @delegates.setter

domodomodomo

import collections


def sample():
    # point 1. 属性はデコレータに文字列で与える。
    @immutable(
        'x1', 'y1', 'x2', 'y2',
        'is_rectangle', 'is_line', 'is_dot')
    class Region(object):
        # point 2. __init__ ではなく、__new__ を使う。

diegopacheco

provider "aws" {
  region = "us-west-2"
  access_key = "anaccesskey"
  secret_key = "asecretkey"
  skip_credentials_validation = true
  skip_metadata_api_check = true
  s3_force_path_style = true
  endpoints {
    s3 = "http://119.18.0.101:4572"
  }

giannisp

After automatically updating Postgres to 10.0 via Homebrew, the pg_ctl start command didn't work.
The error was "The data directory was initialized by PostgreSQL version 9.6, which is not compatible with this version 10.0."

Database files have to be updated before starting the server, here are the steps that had to be followed:

# need to have both 9.6.x and latest 10.0 installed, and keep 10.0 as default
brew unlink postgresql
brew install postgresql@9.6
brew unlink postgresql@9.6
brew link postgresql

ryanmaclean

Install Salt on macOS

Install Homebrew

Install Dependencies

brew install python swig zmq

pgolding

Handling of StreamingBody Response from Invoking a Lambda Function

When calling a Lambda Function via Boto3, the returned object is something like:

{u'Payload': <botocore.response.StreamingBody object at 0x7f8d5b62ac50>, 
'ResponseMetadata': {'RetryAttempts': 0, 'HTTPStatusCode': 200, 'RequestId': '5bdbb3ca-3b35-11e7-9816-397b140c3bac', 'HTTPHeaders': {'x-amzn-requestid': '5bdbb3ca-3b35-11e7-9816-397b140c3bac', 'content-length': '1636', 'x-amzn-trace-id': 'root=1-591ca199-00d34d5474d16275ec2c8d10;sampled=0', 'x-amzn-remapped-content-length': '0', 'connection': 'keep-alive', 'date': 'Wed, 17 May 2017 19:16:41 GMT', 'content-type': 'application/json'}}, u'StatusCode': 200}

The Payload parameter is <botocore.response.StreamingBody> which is a data streaming object.

cristipufu

import sys
import random
import time
from threading import *

class Producer(Thread):
	def __init__(self, items, can_produce, can_consume):
		Thread.__init__(self)
		self.items = items
		self.can_produce = can_produce

morishin

import UIKit
import PlaygroundSupport

let scrollView = UIScrollView(frame: CGRect(x: 0, y: 0, width: 100, height: 100))
scrollView.backgroundColor = .red

let stackView = UIStackView(frame: CGRect(x: 0, y: 0, width: 1000, height: 100))
stackView.backgroundColor = .gray
stackView.axis = .horizontal
stackView.spacing = 10

ntamvl

Install Squid proxy server on Ubuntu 14.04

Installing Squid

Squid is available in the Ubuntu repositories. To ensure your system is up to date and then to install Squid, run the following commands:

sudo apt-get update
sudo apt-get upgrade
sudo apt-get install squid

Copy the original configuration file to keep as a backup:

suzukimilanpaak

Question: Given a sequence of positive integers A and an integer T, return whether there is a continuous sequence of A that sums up to exactly T Example [23, 5, 4, 7, 2, 11], 20. Return True because 7 + 2 + 11 = 20 [1, 3, 5, 23, 2], 8. Return True because 3 + 5 = 8 [1, 3, 5, 23, 2], 7 Return False because no sequence in this array adds up to 7

Note: We are looking for an O(N) solution. There is an obvious O(N^2) solution which is a good starting point but is not the final solution we are looking for.