markcheno

Last updated: 2015-08-11

Searching for Files

Find images in a directory that don't have a DateTimeOriginal

exiftool -filename -filemodifydate -createdate -r -if '(not $datetimeoriginal) and $filetype eq "JPEG"' .

###Output photos that don't have datetimeoriginal to a CSV### Note this can take a long time if you have a lot of jpgs

markcheno

# Gist example of IB wrapper ...
#
# Download API from http://interactivebrokers.github.io/#
#
# Install python API code /IBJts/source/pythonclient $ python3 setup.py install
#
# Note: The test cases, and the documentation refer to a python package called IBApi,
#    but the actual package is called ibapi. Go figure.
#
# Get the latest version of the gateway:

markcheno

""" Trains an agent with (stochastic) Policy Gradients on Pong. Uses OpenAI Gym. """
import numpy as np
import cPickle as pickle
import gym

# hyperparameters
H = 200 # number of hidden layer neurons
batch_size = 10 # every how many episodes to do a param update?
learning_rate = 1e-4
gamma = 0.99 # discount factor for reward

markcheno

from flask import Flask
from flask import request
import json
import requests
import hashlib as hasher
import datetime as date
node = Flask(__name__)

# Define what a Snakecoin block is
class Block:

markcheno

function NiceScale (lowerBound, upperBound, _maxTicks) {

  var maxTicks = _maxTicks || 10;
  var tickSpacing;
  var range;
  var niceLowerBound;
  var niceUpperBound;

  calculate();

markcheno

---
Description: AWS AppSync Notes API

Parameters:
  APIName:
    Type: String
    Description: Name of the API - used to generate unique names for resources
    MinLength: 3
    MaxLength: 20
    AllowedPattern: '^[a-zA-Z][a-zA-Z0-9_]*$'

markcheno

---
Description: AWSAppSync DynamoDB Example
Resources:
  GraphQLApi:
    Type: "AWS::AppSync::GraphQLApi"
    Properties:
      Name: AWSAppSync DynamoDB Example
      AuthenticationType: AWS_IAM

  PostDynamoDBTableDataSource:

markcheno

function OHLC(params) {

    OHLC.prototype._init = function (params) {
        this.height = params.height || 650;
        this.width = params.width || 1300;
        this.margin = params.margin || 50;
        this.data = params.data;
        this.movingAverageTypes = ['mov_avg_10d', 'mov_avg_50d', 'mov_avg_200d'];

        this.dateFormat = d3.time.format("%Y-%m-%d");

markcheno

%h2#title React Chips!

#react-mount

markcheno

These scripts set up Crostini on my Pixelbook