aunyks

import hashlib as hasher
import datetime as date

# Define what a Snakecoin block is
class Block:
  def __init__(self, index, timestamp, data, previous_hash):
    self.index = index
    self.timestamp = timestamp
    self.data = data
    self.previous_hash = previous_hash

aunyks

import hashlib as hasher

class Block:
  def __init__(self, index, timestamp, data, previous_hash):
    self.index = index
    self.timestamp = timestamp
    self.data = data
    self.previous_hash = previous_hash
    self.hash = self.hash_block()
  

jasdumas

title	layout
Notes on xgboost: Extreme Gradient Boosting Machine	default

Background

• Computation in C++
• tree-based models
• easy to use, install, R/python interface
• Automatic parallel computation on a single Machine

jasdumas

title	subtitle	layout
Notes from Statistical Learning Course	via Stanford University Online	default

---

Course Link

chenghan

import sys

salesTotal = 0
oldKey = None

for line in sys.stdin:
    data = line.strip().split("\t")
    if len(data) != 2:
        # Something has gone wrong. Skip this line.
        continue