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[LintCode] First Position Unique Character
Given a string, find the first non-repeating character in it and return it's index. If it doesn't exist, return -1. Given a string, find the first non ...
分类:其他好文   时间:2017-06-23 10:17:03    阅读次数:132
vector、set 练习 k-th divisor
k-th divisor You are given two integers n and k. Find k-th smallest divisor of n, or report that it doesn't exist. Divisor of n is any such natural nu ...
分类:其他好文   时间:2017-06-18 13:15:19    阅读次数:212
First Unique Character in a String
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. ...
分类:其他好文   时间:2017-06-11 10:11:16    阅读次数:163
[leetcode-387-First Unique Character in a String]
Given a string, find the first non-repeating character in it and return it's index. If it doesn't exist, return -1. Examples: Note: You may assume the ...
分类:其他好文   时间:2017-06-09 00:52:12    阅读次数:189
Exploit-Exercises nebule 旅行日志(二)
接着上次的路程继续在ubuntu下对漏洞的探索练习,这次是level01了 先看下level01的问题描述: 目标还是要能运行getflag这个可执行的程序,但如果直接运行是不行的,会提示: getflag is executing on a non-flag account, this doesn ...
分类:其他好文   时间:2017-06-05 10:25:06    阅读次数:184
android 控件加圆角
1.新建一个radius_border.xml 2.在代码中添加一句: 这里可能回报一句错误element shape doesn't required attribute android:layout_height 解决方法: 把 ...
分类:移动开发   时间:2017-05-31 10:14:21    阅读次数:202
vmware 克隆 clone 虚拟机之后,克隆的虚拟机的网卡可能会不能正常工作
克隆产生的虚拟机启动会出现提示信息 "interface eth0 doesn't exist" 解决方案1:删除文件 /etc/udev/rules.d/70-persistent-net,然后reboot 解决方案2(未测试):在vmware虚拟机的设置界面中将网卡直接删除,然后重新添加新的虚拟 ...
分类:系统相关   时间:2017-05-28 23:11:47    阅读次数:253
March 22 2017 Week 12 Wednesday
Satisfaction doesn't come from the outside, but from the inside. 满足感并非来自外界,而是来自内心。 Everything that exists is already fraying at the edges, and in tran ...
分类:其他好文   时间:2017-05-28 20:13:52    阅读次数:191
how to modify image types in python-opencv
Unlike c++-opencv, Python-OpenCV doesn't have a function like convertTo. But we can modify image data types using Numpy. For example, we have an image ...
分类:编程语言   时间:2017-05-28 17:29:53    阅读次数:171
正则表达式:将图片的相对网址补全。
Q: I have an image tag with a src and I want to prepend a website url onto the src but only if it doesn't start with http://. so far I have content.re... ...
分类:其他好文   时间:2017-05-26 12:03:41    阅读次数:224
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