ipbastola

JQ to filter JSON by value

Syntax: cat <filename> | jq -c '.[] | select( .<key> | contains("<value>"))'

Example: To get json record having _id equal 611

cat my.json | jq -c '.[] | select( ._id | contains(611))'

Remember: if JSON value has no double quotes (eg. for numeric) to do not supply in filter i.e. in contains(611)

michaellihs

tmux Cheat Sheet

Table of Contents

• General Usage
• Shortcuts
• Commands
• Scripting tmux
• Configuring tmux

thomasdarimont

package demo;

import java.io.Serializable;
import java.security.Principal;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;

jfsantos

from keras.models import Sequential
from keras.layers import Dense
from keras.utils.io_utils import HDF5Matrix
import numpy as np

def create_dataset():
    import h5py
    X = np.random.randn(200,10).astype('float32')
    y = np.random.randint(0, 2, size=(200,1))
    f = h5py.File('test.h5', 'w')

hodzanassredin

import json
import datetime
import pytz
from random import randint
import logging
import time
import redis

main_prefix = "bqueues:"

vasanthk

System Design Cheatsheet

Picking the right architecture = Picking the right battles + Managing trade-offs

Basic Steps

1. Clarify and agree on the scope of the system

• User cases (description of sequences of events that, taken together, lead to a system doing something useful)
  • Who is going to use it?
  • How are they going to use it?

RichardBronosky

#! /usr/bin/env python
# -*- coding: utf-8 -*-
"""This module's docstring summary line.

This is a multi-line docstring. Paragraphs are separated with blank lines.
Lines conform to 79-column limit.

Module and packages names should be short, lower_case_with_underscores.
Notice that this in not PEP8-cheatsheet.py

ziplus4

# -*- coding:utf8 -*-
import re

from flask import Flask

from flask_sqlalchemy import SQLAlchemy as BaseSQLAlchemy
from flask_sqlalchemy import _SignallingSession as BaseSignallingSession
from flask_sqlalchemy import orm, partial, get_state

from datetime import datetime

mdsrosa

from collections import defaultdict, deque


class Graph(object):
    def __init__(self):
        self.nodes = set()
        self.edges = defaultdict(list)
        self.distances = {}

    def add_node(self, value):

jtpaasch

# -*- coding: utf-8 -*-

"""A simple tool to document how to control AWS resources.

AWS AUTHENTICATION
-------------------

In order to run any of the code below, you need a profile with AWS credentials
set up on your computer. It's very easy to do this. Google how to configure
your profile with boto3, or visit the docs: