KVM I/O slowness on RHEL 6 http://www.ilsistemista.net/index.php/virtualization/11-kvm-io-slowness-on-rhel-6.html?limitstart=0 Over one year has passe...
分类:
其他好文 时间:
2014-07-07 20:21:46
阅读次数:
397
题目来源:《The C programming language》中的习题P92练习5-8:一个日期转换的问题,把某月某日这种日期表示形式转换为某年中第几天的表示形式,反之亦然。例如,3月1日是非闰年的第60天,是闰年的第61天。在这里,我们定义下列两个函数以进行日期转换:函数day_of_year...
分类:
编程语言 时间:
2014-07-07 19:11:44
阅读次数:
222
Originally, I installed an Ubuntu using Wubi on my company's laptop (Lenovo W520). One purpose is for fun, the other is to use some instant messengers...
分类:
其他好文 时间:
2014-06-30 12:26:40
阅读次数:
326
《这是一篇童话》——刘丁宁
就像安徒生童话《野天鹅》里的小公主爱丽莎,为了十一个哥哥,可以不说一句话,甘之如饴地赤脚踏过荆棘,空手采摘荨麻,日夜不停地编织十一件大衣,宁愿被人当做巫师差点活活烧死……
也如冬小麦,秋种,越冬,春季返青,夏季收粮,等待属于自己的那个“one summer's day”那个夏天……
童话的意思,一是孩子说的话,不必放在心上;二是童话的意蕴:“过程也许会坎坷,但结局...
分类:
其他好文 时间:
2014-06-30 10:07:05
阅读次数:
141
【题目】
Given a string s and a dictionary of words dict, determine if s can be segmented into a space-separated sequence of one or more dictionary words.
For example, given
s = "leetcode",
dict = ["leet", "code"].
Return true because "leetcode" can be segm...
分类:
其他好文 时间:
2014-06-30 09:02:26
阅读次数:
276
题目
Given a string s1, we may represent it as a binary tree by partitioning it to two non-empty substrings recursively.
Below is one possible representation of s1 = "great":
great
/...
分类:
其他好文 时间:
2014-06-29 23:16:19
阅读次数:
312
【题目】
Given an array of integers, every element appears three times except for one. Find that single one.
Note:
Your algorithm should have a linear runtime complexity. Could you implement it without using extra memory?
【题意】
给定一个整数以外,其中除了一个整数只出现一次以外...
分类:
其他好文 时间:
2014-06-29 22:52:35
阅读次数:
246
Given a stringS, find the longest palindromic substring inS. You may assume that the maximum length ofSis 1000, and there exists one unique longest pa...
分类:
其他好文 时间:
2014-06-29 20:28:58
阅读次数:
183
Almost one year ago, I checked how different cache settings affected KVM storage subsystem performance. Results were very clear: to obtain good I/O sp...
分类:
系统相关 时间:
2014-06-29 19:47:59
阅读次数:
448
Functions and Closures 函数和封闭性(闭包)Functions 函数的使用Swift中的函数定义和OC中有明显的差别了,使用func定义函数,在括号里定义參数和类型,用 -> 定义返回值类型func greet(name: String, day: String) -> Str...
分类:
其他好文 时间:
2014-06-29 19:26:28
阅读次数:
209