首先要说明的是,不要使用which来进行判断,理由如下:1、which非SHELL的内置命令,用起来比内置命令的开销大,并且非内置命令会依赖平台的实现,不同平台的实现可能不同。#
type typetype is a shell builtin# type commandcommand is a s...
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其他好文 时间:
2014-06-29 15:27:20
阅读次数:
1334
Given an arraySofnintegers, are there
elementsa,b,c, anddinSsuch thata+b+c+d= target? Find all unique quadruplets in
the array which gives the sum of ...
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其他好文 时间:
2014-06-29 15:08:56
阅读次数:
263
安装setuptools的时候,不能再注册表中识别出来python2.7在网上找了方法,仅作笔记,供下次使用方法:新建一个register.py
文件,把一下代码贴进去,保存(G盘) 1 # 2 # script to register Python 2.0 or later for use wit...
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编程语言 时间:
2014-06-29 14:45:14
阅读次数:
312
Bonding:Ethernet Channel Bonding enables two or
more Network Interfaces Card (NIC) to a single virtual NIC card which may
increase the bandwidth and p...
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Web程序 时间:
2014-06-07 03:38:59
阅读次数:
267
Given an arraySofnintegers, are there
elementsa,b,c, anddinSsuch thata+b+c+d= target? Find all unique quadruplets in
the array which gives the sum of ...
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其他好文 时间:
2014-06-04 22:44:27
阅读次数:
250
从052之134题看数据库监听服务134、listener
service/考察动态注册于静态注册/View the Exhibit and examine the output.Which two statements
are true regarding the LISTENER2 listen...
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其他好文 时间:
2014-05-29 12:23:06
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493
Problem: Given a two-dimensional graph with
points on it, find a line which passes the most number of points.此题是Cracking the
code 5th edition 第七章第六题,思...
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其他好文 时间:
2014-05-29 08:10:38
阅读次数:
292
题目: Say you have an array for which the ith element
is the price of a given stock on day i. Design an algorithm to find the maximum
profit. You may co...
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其他好文 时间:
2014-05-28 22:37:18
阅读次数:
327
Given an arraySofnintegers, are there
elementsa,b,cinSsuch thata+b+c= 0? Find all unique triplets in the array which
gives the sum of zero.Note:Elemen...
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其他好文 时间:
2014-05-28 16:47:30
阅读次数:
308
题目: Say you have an array for which the ith element
is the price of a given stock on day i. Design an algorithm to find the maximum
profit. You may co...
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其他好文 时间:
2014-05-28 00:53:26
阅读次数:
338