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Vertica参数的设置
RHEL 6.2 CPU 24 Memory 128G 8节点1.keep more event logs for dc_tuple_mover_events.select SET_DATA_COLLECTOR_POLICY('TupleMoverEvents', '1000', '100000')...
分类:其他好文   时间:2014-06-28 09:59:11    阅读次数:454
poj 3264 Balanced Lineup
DescriptionFor the daily milking, Farmer John'sNcows (1 ≤N≤ 50,000) always line up in the same order. One day Farmer John decides to organize a game o...
分类:其他好文   时间:2014-06-28 09:32:17    阅读次数:200
[leetcode] Merge k Sorted Lists
Merge k sorted linked lists and return it as one sorted list. Analyze and describe its complexity.
分类:其他好文   时间:2014-06-27 12:29:18    阅读次数:294
[leetcode] Maximum Subarray
Find the contiguous subarray within an array (containing at least one number) which has the largest sum.
分类:其他好文   时间:2014-06-27 11:43:25    阅读次数:173
Google I/O 2014? No,Android I/O 2014
“你当然可以不相信理想,但是你也应该相信,有一些人相信理想”      google I/O今日发布了许多新品,罗列为:Android Wear,Android Auto,Android TV,Android L,Google Fit 5个软件平台,Material Design设计语言和Android One手机,也提及了Android Silver。     哇哦,我想google...
分类:移动开发   时间:2014-06-27 10:44:15    阅读次数:300
Leetcode Validate Binary Search Tree
Given a binary tree, determine if it is a valid binary search tree (BST). Assume a BST is defined as follows: The left subtree of a node contains only nodes with keys less than the node's key....
分类:其他好文   时间:2014-06-27 09:15:12    阅读次数:196
Sudoku Solver
题目 Write a program to solve a Sudoku puzzle by filling the empty cells. Empty cells are indicated by the character '.'. You may assume that there will be only one unique solution. ...
分类:其他好文   时间:2014-06-27 07:06:50    阅读次数:184
手机网页宽度 , 图片宽度 自适应
网页宽度页面box不要写宽度或width:100%之类的去掉头部加上下面代码:<metaname="viewport"content="width=device-width,initial-scale=1.0,minimum-scale=0.5,maximum-scale=2.0,user-scalable=yes"/>图片宽度<scripttype="text/javascript">functioninit(){varji..
分类:移动开发   时间:2014-06-27 07:05:34    阅读次数:239
Cacti监控磁盘IO(rhel)
1、检查net-snmp是否支持IO监控snmpwalk-v1-c public监控机的IPUCD|more执行如上命令,如果返回类似如下数据,则表示支持disk io的监控,否则需要重新编译增加diskio-module模块。1.UCD-DISKIO-MIB::diskIOIndex.1=INTEGER: 12.UCD-DISKIO-MIB::diskIOIndex.2=INTEGER:23.UCD-D..
分类:其他好文   时间:2014-06-27 06:42:20    阅读次数:396
linux下面的性能分析工具简介
iostat命令详解iostat用于输出cpu和磁盘I/O相关的统计信息。命令格式:Usage:iostat[options][<interval>[<count>]] Optionsare: [-c][-d][-N][-n][-h][-k|-m][-t][-V][-x][-y][-z] [-j{ID|LABEL|PATH|UUID|...}[<device>[...]|ALL]] [<device>[...]|A..
分类:系统相关   时间:2014-06-27 06:24:13    阅读次数:298
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