来源——tr帮助说明 TR() User Commands TR() NAME tr - translate or delete characters SYNOPSIS tr [OPTION]... SET1 [SET2] DESCRIPTION Translate, squeeze, and/or delete characters from standard input, writing to standard output. 翻译 n. 性格,品质:特性:角色:[计] 字符 vt. 印,刻
新概念三 Lesson 1 A puma at large 词汇: 1. spot 易混淆: recognize v. [认出], identify v. [识别sb/sth的身份] v. 看出,发现 A huge iceberg was suddenly spotted by a look-out(瞭望员) 一块巨大的冰山突然被瞭望员发现 n. 斑点 a big red spot 一个红斑点 污点 a spot on one's reputation 某人名声上出现污点 a leopa
在load csv 进mysql的时候,报这个错,苦恼了很长时间,网上搜索不到答案. mysql> load data infile '/home/hdh/8_sr/8_45.csv' into table xizang.fp45 fields terminated by ',' escaped by '"' lines terminated by '\r\n'; 解决方案: 1.查看字符集,Linux, 数据库,表 mysql> show variables like
Given a string, find the first non-repeating character in it and return it's index. If it doesn't exist, return -1. Examples: s = "leetcode" return 0. s = "loveleetcode", return 2. Note: You may assume the string contain only lowercase
Given a string, find the first non-repeating character in it and return it's index. If it doesn't exist, return -1. Examples: s = "leetcode" return 0. s = "loveleetcode", return 2. 分析:找出字符串中第一次出现且不重复的字符,返回其字符的下标,如果不存在就返回-1. 用hashMap进行求
Problem: Given a string, find the first non-repeating character in it and return it's index. If it doesn't exist, return -1. Example: s = "leetcode" return 0. s = "loveleetcode", return 2. 本题的第一想法是开一个字母表计数器,遍历string s中的元素,并利用计数器对每一个字母计
BeautifulSoup很赞的东西 最近出现一个问题:Python 3.3 soup=BeautifulSoup(urllib.request.urlopen(url_path),"html.parser") soup.findAll("a",{"href":re.compile('^http|^/')}) 出现warning: Some characters could not be decoded, and were replaced wi
在BaseFragment中使用了LoadingPage,而LoadingPage的联网加载使用的是AsyncHttpClient.一直报java.lang.IllegalArgumentException: Illegal character in query at index 261解析不成功,改成OkHttp解析即可. 网上有些方法,说先URLEncode再拼接,如果解决不了,换个联网请求方式,试一下.
今天遇到一个错误提示:ORA-06502:PL/SQL :numberic or value error: character string buffer too small,一般对应的中文信息为:ORA-06502: PL/SQL: 数字或值错误 :字符串缓冲区太小.仔细检查调试过程中才发现是开发人员定义了一个变量,但是在脚本里面赋予了该变量超过其长度的值.结果就报这个错误.我习惯总结每一个遇到的错误信息,既有利于学习.总结知识,也方便以后遇到此类问题能够及时给出解决方法. 如果执行oerr
原题链接在这里:https://leetcode.com/problems/first-unique-character-in-a-string/ 题目: Given a string, find the first non-repeating character in it and return it's index. If it doesn't exist, return -1. Examples: s = "leetcode" return 0. s = "lovele
Lukas Neuman--[ICDAR2015]Efficient Scene Text Localization and Recognition with Local Character Refinement 算法介绍 Fig. 2. Overview of the method. Initial text hypotheses efficiently generatedby a MSER detector are further refined using a local text mod
The minimum interval between the leading edges of the start bits of two consecutive characters sent by the terminal to the ICC shall be between 12 and 266 etus as determined by the value of TC1 returned at the answer to reset (see sections 8.2 and 8.