henyihanwobushi

import random
import math
import collections


def guess(history_actions, base_hotness=1, cooling_rate=1):
    def hotness(time_passed, base_hotness=1, cooling_rate=1):
        return base_hotness * math.exp(-1.0 * time_passed * cooling_rate)

    action_hotness = collections.defaultdict(lambda: 0)

henyihanwobushi

public class BaseQueryValidator {
    private static List<String> extractTableAliases(SqlNode node) {
        final List<String> tables = new ArrayList<>();

        // If order by comes in the query.
        if (node.getKind().equals(SqlKind.ORDER_BY)) {
            // Retrieve exact select.
            node = ((SqlSelect) ((SqlOrderBy) node).query).getFrom();
        } else {
            node = ((SqlSelect) node).getFrom();

henyihanwobushi

<?xml version="1.0" encoding="UTF-8"?>

<!--
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements.  See the NOTICE file
distributed with this work for additional information
regarding copyright ownership.  The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License.  You may obtain a copy of the License at

henyihanwobushi

; Sample supervisor config file.
;
; For more information on the config file, please see:
; http://supervisord.org/configuration.html
;
; Notes:
;  - Shell expansion ("~" or "$HOME") is not supported.  Environment
;    variables can be expanded using this syntax: "%(ENV_HOME)s".
;  - Comments must have a leading space: "a=b ;comment" not "a=b;comment".

henyihanwobushi

find /var/log/** -maxdepth 0 -mtime +15 -exec sudo rm -rf {} +

henyihanwobushi

sudo kill "$(pgrep Main)"

henyihanwobushi

#!/bin/sh
# a simple way to parse shell script arguments
# please edit and use to your own content

ENVIRONMENT="dev"
DB_PATH="/data/db"

function usage()
{
    echo "if this was a real script you would see something useful here"

henyihanwobushi

SortedMap<RowKey, List<SortedMap<Column, List<Value, Timestamp>>>>

henyihanwobushi

hdfs dfs -getmerge /hdfs/path/with/source/files /target/local/file

henyihanwobushi

chunk = lambda arr, n: [arr[i::n] for i in range(arr)]