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Comments and whitespace
In this video, I'll show you the various ways of adding comments to PHP scripts.小结一下几种注释形式:HTML: ;CSS: /* */ ;JS: // , /* */ ;PHP: # , // , /* */ ; I'...
分类:其他好文   时间:2014-10-28 12:03:27    阅读次数:261
UVA 357 Let Me Count The Ways(完全背包)
UVA 357 Let Me Count The Ways(完全背包) http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=293 题意: 有5种硬币: 1分 5分 10分 25分 和50分. 现在给你一个面值n, 问你有多少种方法能利用上述硬币组合出n分的金钱. 分析: 典型的完全背包问题. 本题的限制条件: 硬币钱数正好等于n...
分类:其他好文   时间:2014-10-27 21:22:05    阅读次数:246
yum报错:UnicodeDecodeError: 'ascii' codec can't decode byte 0xbc
UnicodeDecodeError:‘ascii‘codeccan‘tdecodebyte0xbcinposition3746:ordinalnotinrange(128)解决:cd/var/lib/rpm/rm-i__db.*yumcleanall
分类:其他好文   时间:2014-10-27 15:46:32    阅读次数:366
oracle表被锁(delete或update一直处于执行状态)的处理办法。
1 --首先查看有哪些锁 2 select /*+ rule */ s.username, 3 decode(l.type,'TM','TABLE LOCK','TX','ROW LOCK',null) lock_level, 4 o.owner, 5 o.ob...
分类:数据库   时间:2014-10-27 09:14:02    阅读次数:355
[Leetcode] Climbing Stairs
You are climbing a stair case. It takesnsteps to reach to the top.Each time you can either climb 1 or 2 steps. In how many distinct ways can you climb...
分类:其他好文   时间:2014-10-27 00:08:57    阅读次数:277
leetcode - Decode Ways
A message containing letters from A-Z is being encoded to numbers using the following mapping: 'A' -> 1 'B' -> 2 ... 'Z' -> 26 Given an encoded message containing digits, determine the total numb...
分类:其他好文   时间:2014-10-26 17:04:00    阅读次数:194
HDU 2157 How many ways?? 矩阵
可达矩阵的K次幂便是从i到j走K步能到达的方案数。注意处理k=0的情况。#include #include #include #include #include #include #include #include #include #include using namespace std; #de...
分类:其他好文   时间:2014-10-24 20:36:54    阅读次数:191
Recommend ways to overwrite hashCode() in java
Perface In the former chapter, I talk about topics about hashCode, And I will continue to finish the introduction to hashCode(). In this chapter, I w....
分类:编程语言   时间:2014-10-24 20:28:01    阅读次数:486
UVA 147 Dollars (DP)
New Zealand currency consists of $100, $50, $20, $10, and $5 notes and $2, $1, 50c, 20c, 10c and 5c coins. Write a program that will determine, for any given amount, in how many ways that amount may b...
分类:其他好文   时间:2014-10-23 22:49:46    阅读次数:247
【PYTHON】编码是个细致活
python逆向获取DNS时用到一个函数socket.gethostbyaddr,传入本地主机地址后报错如下: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb0 in position 0: invalidcontinuation .....
分类:编程语言   时间:2014-10-23 12:18:50    阅读次数:242
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