rainyman2012

from django.core.signing import TimestampSigner


TimestampSigner(key="arbitrary key",salt="arbitrary character").sign("hello")
# 'hello:1nupuX:K_GIN7mgJdcqxshVqZlqoNPG7jY3whN-oo7RALBuS_E'

TimestampSigner(key="arbitrary key",salt="arbitrary character").unsign('hello:1nupuX:K_GIN7mgJdcqxshVqZlqoNPG7jY3whN-oo7RALBuS_E')
# 'hello'

rainyman2012

from django.utils.crypto import salted_hmac

salted_hmac('arbitrary salt', 'hello', secret="arbitrary secret key", algorithm="md5").digest()

rainyman2012

from django.core import signing

signing.dumps('Hello World') 
# 'IkhlbGxvIFdvcmxkIg:1nuq1R:XGmDLtvO1Ru77QX7trHD5bCzRsaxTQVKTx9Jxv4Wj6A'

signing.loads('IkhlbGxvIFdvcmxkIg:1nuq1R:XGmDLtvO1Ru77QX7trHD5bCzRsaxTQVKTx9Jxv4Wj6A')
# 'Hello World'

rainyman2012

def sensitive_post_parameters(*parameters):
    """
    Indicate which POST parameters used in the decorated view are sensitive,
    so that those parameters can later be treated in a special way, for example
    by hiding them when logging unhandled exceptions.

    Accept two forms:

    * with specified parameters:

rainyman2012

import numpy as np

day_price = np.array([[0,7], [1,12], [2,5], [3,3], [4,11], [5, 6], [6,10] ,[7,2], [8,0]])

results = np.zeros((9, 9))

print(results)
for buy in day_price:
    for sell in day_price:
        if buy[0] < sell[0]:

rainyman2012

import threading
import time

def blocking_1():
  print("thread start 1")
  time.sleep(10)
  print("thread finished 1")

def blocking_2():
    print("thread start 2")

rainyman2012

import threading
import time

def blocking_io():
  print("thread start")
  time.sleep(10)
  print("thread finished")
    
def main():
    t1 = threading.Thread(target=blocking_io, name="blocking_task")

rainyman2012

import threading
import time

def blocking_io():
  print("thread start")
  time.sleep(10)
  print("thread finished")
    
def main():
    t1 = threading.Thread(target=blocking_io, name="blocking_task")

rainyman2012

#!/bin/bash

REQUIREMENTS="""
Django\n
daphne\n
"""
PROJECT_NAME=$1
if [ -z $PROJECT_NAME ]
then
        PROJECT_NAME=test_$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 5 | head -n 1)

rainyman2012

# my global config
global:
  scrape_interval:     15s # Set the scrape interval to every 15 seconds. Default is every 1 minute.
  evaluation_interval: 15s # Evaluate rules every 15 seconds. The default is every 1 minute.
  # scrape_timeout is set to the global default (10s).

# Alertmanager configuration
alerting:
  alertmanagers:
  - static_configs: