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20世纪最伟大的十大算法
发明十大算法的其中几位算法大师 一、1946 蒙特卡洛方法[1946: John von Neumann, Stan Ulam, and Nick Metropolis, all at the Los Alamos Scientific Laboratory, cook up the Metropo ...
分类:编程语言   时间:2018-12-31 19:46:41    阅读次数:216
centos7上mysql无法启动也没有日志
报错的原因就是 [root@localhost duanxinli]# journalctl -xe-- Subject: Unit mysqld.service has begun start-up-- Defined-By: systemd-- Support: http://lists.fre ...
分类:数据库   时间:2018-12-31 00:05:55    阅读次数:1479
微信小程序 - 上传图片组件
使用了ES8的async/await,注意正确导入“regenerate.js”的路径,使用说明在components/up-img/index.js 点击下载:图片上传组件 ...
分类:微信   时间:2018-12-30 15:36:06    阅读次数:408
112. Path Sum - Easy
Given a binary tree and a sum, determine if the tree has a root-to-leaf path such that adding up all the values along the path equals the given sum. N ...
分类:其他好文   时间:2018-12-30 10:40:31    阅读次数:196
OpenVswitch mirror 镜像功能
1 # 从int-br-eth1进入的包镜像一份给dummy0 2 # 现象:dummy0 可以抓到 int-br-eth1 进入的包 3 4 modprobe dummy 5 ip link set up dummy0 6 ovs-vsctl add-port br-int dummy0 7 8 ... ...
分类:其他好文   时间:2018-12-29 21:03:54    阅读次数:561
HDU 1010 Tempter of the Bone(dfs)
Problem Description The doggie found a bone in an ancient maze, which fascinated him a lot. However, when he picked it up, the maze began to shake, an ...
分类:其他好文   时间:2018-12-29 19:42:42    阅读次数:149
12C ORA-错误汇总18 ORA-57000 to ORA-65535 EXP-00000 to EXP-00114
ORA-57000: TimesTen IMDB error: string Cause: An error occurred during a TimesTen operation. Action: Look up the error code in the TimesTen error docu ...
分类:其他好文   时间:2018-12-29 18:34:03    阅读次数:388
107. Binary Tree Level Order Traversal II - Easy
Given a binary tree, return the bottom-up level order traversal of its nodes' values. (ie, from left to right, level by level from leaf to root). For ...
分类:其他好文   时间:2018-12-29 11:21:15    阅读次数:115
离你很近却依旧遥不可及
长大了以后,你才会知道,在蓦然回首的刹那,没有怨恨的青春才会了无遗憾,如山冈上那轮静静的满月。 Only when you grow up can you know only regretless youth leaves no pity at the moment of looking back ...
分类:其他好文   时间:2018-12-28 20:40:43    阅读次数:244
How Computers Boot Up.计算机的引导过程
原文标题:How Computers Boot Up 原文地址:http://duartes.org/gustavo/blog/ [注:本人水平有限,只好挑一些国外高手的精彩文章翻译一下。一来自己复习,二来与大家分享。] 前一篇文章介绍了Intel计算机的主板与内存映射,从而为本文设定了一个系统引导 ...
分类:其他好文   时间:2018-12-27 18:28:48    阅读次数:164
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