Kafka生产环境部署案例采用三个排序(orderer)服务.四个kafka.三个zookeeper和四个节点(peer)组成,共准备八台服务器,每台服务器对应的服务如下所示: kafka案例网络拓扑图如下: 一.基本环境搭建:关闭防火墙(或开放端口).selinux.安装配置docker(17.06.2-ce or later).docker-compose(1.14.0 or later).git.go(version 1.11.x).域名ip映射(/etc/hosts) 二.fabirc编…
Given a string, sort it in decreasing order based on the frequency of characters. Example 1: Input: "tree" Output: "eert" Explanation: 'e' appears twice while 'r' and 't' both appear once. So 'e' must appear before both 'r' and 't'. Th…
Write a bash script to calculate the frequency of each word in a text file words.txt. For simplicity sake, you may assume: words.txt contains only lowercase characters and space ' ' characters. Each word must consist of lowercase characters only. Wor…
Logical query-processing phases in brief (1) FROM This phase identifies the query’s source tables and processes table operators.Each table operator applies a series of subphases.For example, the phases involved in a join are(1-J1) Cartesian Product,…
题目: Given a string, sort it in decreasing order based on the frequency of characters. Example 1: Input: "tree" Output: "eert" Explanation: 'e' appears twice while 'r' and 't' both appear once. So 'e' must appear before both 'r' and 't'…
Given a string, sort it in decreasing order based on the frequency of characters. Example 1: Input: "tree" Output: "eert" Explanation: 'e' appears twice while 'r' and 't' both appear once. So 'e' must appear before both 'r' and 't'. Th…
17.9 Design a method to find the frequency of occurrences of any given word in a book. 这道题让我们找书中单词出现的频率,那么首先需要搞清楚的问题是,只需要统计一个单词,还是多个单词.如果是一个单词的话,那直接就遍历所有单词直接统计即可,如果是多个,就需要建立哈希表来建立每个单词和其出现次数之间的映射,然后再来查找即可,参见代码如下: unordered_map<string, int> make_dicti…
Given a string, sort it in decreasing order based on the frequency of characters. Example 1: Input: "tree" Output: "eert" Explanation: 'e' appears twice while 'r' and 't' both appear once. So 'e' must appear before both 'r' and 't'. Th…
BUAA Advanced Software Engineering Project: Individual Project - Word frequency program Ryan Mao (毛宇)-1106116_11061171 Implement a console application to tally the frequency of words under a directory (2 modes). 1) Before you implement this project…
https://leetcode.com/problems/word-frequency/ Write a bash script to calculate the frequency of each word in a text file words.txt. For simplicity sake, you may assume: words.txt contains only lowercase characters and space ' ' characters. Each word…
http://www.practice.geeksforgeeks.org/problem-page.php?pid=493 Sorting Elements of an Array by Frequency Given an array of integers, sort the array according to frequency of elements. For example, if the input array is {2, 3, 2, 4, 5, 12, 2, 3, 3, 3,…
地址:http://www.codewars.com/kata/53e895e28f9e66a56900011a/train/python Write a function that takes a piece of text in the form of a string and returns the letter frequency count for the text. This count excludes numbers, spaces and all punctuation mar…
Phases of translation--翻译阶段 The C++ source file is processed by the compiler as if the following phases take place, in this exact order: Phase 1 --96个basic source character set The individual bytes of the source code file are mapped(in implementation…
Natural Language Processing with Python Chapter 4.8 colors = 'rgbcmyk' # red, green, blue, cyan, magenta, yellow, black def bar_chart(categories, words, counts): "Plot a bar chart showing counts for each word by category" import pylab ind = pyla…
引用自NCBI的概念(https://www.ncbi.nlm.nih.gov/projects/SNP/docs/rs_attributes.html#gmaf) Global minor allele frequency (MAF): dbSNP is reporting the minor allele frequency for each rs included in a default global population. Since this is being provided…
Write a bash script to calculate the frequency of each word in a text file words.txt. For simplicity sake, you may assume: words.txt contains only lowercase characters and space ' ' characters. Each word must consist of lowercase characters only. Wor…
Given a string, sort it in decreasing order based on the frequency of characters. Example 1: Input: "tree" Output: "eert" Explanation: 'e' appears twice while 'r' and 't' both appear once. So 'e' must appear before both 'r' and 't'. Th…
把内容过程中经常用到的一些内容段做个备份,如下的内容是关于Evaluate X and Y returned from the differential equation solvers using printput frequency in Python的内容,应该是对码农们也有好处. ''' printSoln(X,Y,freq). Prints X and Y returned from the differential equation solvers using printput fr…
https://nlp.lab.arizona.edu/sites/nlp.lab.arizona.edu/files/Kauchak-Leroy-Hogue-JASIST-2017.pdf In previous work, we conducted a preliminary corpus study of grammar frequency which showed that difficult texts use a wider variety of high-level grammat…
---恢复内容开始--- [20170603]12c Top Frequency histogram.txt --//个人对直方图了解很少,以前2种直方图类型对于目前的许多应用来讲已经足够,或者讲遇到的问题很少.--//抽一点点时间,简单探究12c Top Frequency histogram. --//以前的频率直方图Frequency histogram,受限bucket(桶的大小),如果有255个不同值,oracle分析后不会建立频率直方图,而是建立高--//度直方图.这样的情况会导致一…
