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关闭Rootless机制
OS X El Capitan中,在内核下引入了Rootless机制,以下路径:/System/bin/sbin/usr (except /usr/local)均属于Rootless范围,即使root用户无法对此目录有写和执行权限,只有Apple以及Apple授权签名的软件(包括命令行工具)可以修改 ...
分类:其他好文   时间:2016-04-17 00:33:06    阅读次数:316
leetcode 237 Delete Node in a Linked List python
题目: Write a function to delete a node (except the tail) in a singly linked list, given only access to that node. Supposed the linked list is 1 -> 2 -> ...
分类:编程语言   时间:2016-04-16 15:23:28    阅读次数:299
在程序异常中记录堆栈信息(使用ExWatcher)
在我们编写程序的时候可通过IDE自带的调试环境捕捉到异常(Except)错误,并能查看到相关的信息以便我们修正程序中的问题。但当软件被发布出去后,因为所部署运行的环境与我们的调试环境有很大区别,即使在是调试环境中测试过非常完美的程序,也很难保证在实际运行中不出现任何错误。当程序发生错误它往往是抛出一 ...
分类:其他好文   时间:2016-04-15 01:59:01    阅读次数:169
136. Single Number
Given an array of integers, every element appears twice except for one. Find that single one. Note:Your algorithm should have a linear runtime complex ...
分类:其他好文   时间:2016-04-14 14:13:02    阅读次数:104
python读Excel
import xlrd def open_excel(fileName="TransInfo.xlsx"): try: fileHandler = xlrd.open_workbook(fileName) return fileHandler except Exception as e: print ...
分类:编程语言   时间:2016-04-13 14:39:16    阅读次数:172
238. Product of Array Except Self
238. Product of Array Except Self Total Accepted: 41565 Total Submissions: 97898 Difficulty: Medium Given an array of n integers where n > 1, nums, re ...
分类:其他好文   时间:2016-04-13 11:19:49    阅读次数:154
LeetCode_238_Product of Array Except Self
238. Product of Array Except Self Given an array of n integers where n > 1, nums, return an array output such that output[i] is equal to the product o ...
分类:其他好文   时间:2016-04-12 00:22:17    阅读次数:177
Codeforces Round #305 (Div. 2) B
Description Mike and some bears are playing a game just for fun. Mike is the judge. All bears except Mike are standing in an n?×?m grid, there's exact ...
分类:其他好文   时间:2016-04-11 22:32:32    阅读次数:249
237. Delete Node in a Linked List
237. Delete Node in a Linked List Total Accepted: 74501 Total Submissions: 170753 Difficulty: Easy Write a function to delete a node (except the tail) ...
分类:其他好文   时间:2016-04-10 12:51:08    阅读次数:128
WPF之MVVM模式(2)
我们都想追求完美 Every view in the app has an empty codebehind file, except for the standard boilerplate code that calls InitializeComponent in the class's co ...
分类:Windows程序   时间:2016-04-08 19:38:14    阅读次数:389
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