Wrinkles should merely indicate where smiles have been.

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Wrinkles should merely indicate where smiles have been.

Wrinkles should merely indicate where smiles have been. 皱纹应该只是微笑留下的印记.…

May 30. 2018 Week 22nd Wednesday

Never forget to say "Thanks." 永远不要忘记说谢谢. Don't take anything we get for granted, and never forget to say "Thanks" for people who help us, who serve us... But sometimes it would be quite hard to show our gratitudes when we genuinely and…

pysmiles：一个用于读写SMILES表达式的python库

技术背景 SMILES表达式是化学里面常用的用于标定元素之间关系的字符串,旨在用最简短的语句来完整的表达一个分子体系内所蕴含的基本信息,比如元素.连接性以及连接属性等.由于SMILES表达式的定义种类太多,需要完整介绍的可以阅读这篇博客或者是opensmiles的官方网站.这里我们简单介绍几种常见的情况: 在SMILES表达式中,往往会去掉\(H\)元素,比如甲烷\(CH_4\)用SMILES表达式来表达的话就是\(C\): 双键用\(=\)来表示,比如\(C(=O)=O\)表示一个二氧化碳:…

August 03rd 2017 Week 31st Thursday

A person has at least one dream, there is a reason to be strong. 一个人至少要有一个梦想,要有一个理由去坚强. Owning a dream will give you power to counter against the difficulties in life, will refresh your body and soul when you are defeated by the setbacks. If you want…

substring的用法

public String substring(int beginIndex, int endIndex) 返回一个新字符串,它是此字符串的一个子字符串.该子字符串从指定的 beginIndex 处开始,直到索引 endIndex - 1 处的字符.因此,该子字符串的长度为 endIndex-beginIndex. 示例: "hamburger".substring(4, 8) returns "urge" "smiles".substring(…

Youth -Samuel Ullman

Samuel Ullman(塞缪尔.厄尔曼) Youth is not a time of life,it is a state of mind;青春不是年华,而是心境: it is not a matter of rosy cheeks, red lips and supple knees;青春不是桃面.丹唇.柔膝, it is a matter of the will, a quality of the imagination, a vigor of the emotions;而是深沉的意志…

Codeforces CF#628 Education 8 F. Bear and Fair Set

F. Bear and Fair Set time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Limak is a grizzly bear. He is big and dreadful. You were chilling in the forest when you suddenly met him. It's very u…