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关于 Notice: Undefined index: 2 in C:\wamp\www\...报错 的解决办法
首先,这个不是错误,是warning。 方法1:服务器配置修改 (Apache服务器中的php.ini配置文件) 修改php.ini配置文件,error_reporting = E_ALL & ~E_NOTICE方法2:对变量进行初始化,规范书写(比较烦琐,因为有大量的变量)。方法3:每个文件头.....
分类:其他好文   时间:2014-05-26 01:47:12    阅读次数:333
快速排序的实现(c语言)
以前写的代码//// main.c// cTest//// Created by Zizhu on 13-10-8.// Copyright (c) 2013年 Zizhu. All rights reserved.//#include #define N (10)void quickSor...
分类:编程语言   时间:2014-05-26 01:27:07    阅读次数:340
maven build 产生 Missing artifact org.jboss.logging:jar:3.1.0.GA解决方法
##报错来源分析 由于hibernate-entitymanager 需要jboss logging 。由于或多或少的原因导致 maven无法下载相关的jar文件。##解决办法: 访问 http://search.maven.org 搜索jboss-logging 点击all, 找到相...
分类:其他好文   时间:2014-05-25 23:23:26    阅读次数:401
Java 并发专题 : CyclicBarrier 打造一个安全的门禁系统
继续并发专题~ 这次介绍CyclicBarrier:看一眼API的注释: /** * A synchronization aid that allows a set of threads to all wait for * each other to reach a common barrier point. CyclicBarriers are * useful in program...
分类:编程语言   时间:2014-05-25 18:15:06    阅读次数:316
ACdream1012:Convex
Problem Description We have a special convex that all points have the same distance to origin point. As you know we can get N segments after linking the origin point and the points on the convex. ...
分类:其他好文   时间:2014-05-25 09:50:19    阅读次数:217
转化一下就是01背包 CodeForces 433A - Kitahara Haruki's Gift
Kitahara Haruki has bought n apples for Touma Kazusa and Ogiso Setsuna. Now he wants to divide all the apples between the friends. Each apple weights 100 grams or 200 grams. Of course Kitahara Haru...
分类:其他好文   时间:2014-05-25 09:01:36    阅读次数:174
Geeks : Kruskal’s Minimum Spanning Tree Algorithm 最小生成树
寻找图中最小连通的路径,图如下: 算法步骤: 1. Sort all the edges in non-decreasing order of their weight. 2. Pick the smallest edge. Check if it forms a cycle with the spanning tree formed so far. If cycle is n...
分类:其他好文   时间:2014-05-25 07:35:59    阅读次数:301
【Matlab编程】生日快乐歌(显示歌词)—matlab版
clear all A4=440;%标准音A4 不同的曲调音调不同scale的取值范围不同 pt=44100;p0=pt/2;%频率 scale=A4/2^(9/12)*2.^((-12:11)/12);%这里可以调节音调高低,eg:改变式子中的-12:11为0:23 map=[1 3 5 6 8 10 12 13 15 17 18 20 22 24 25];%音符,这个需要看曲谱编码...
分类:其他好文   时间:2014-05-25 07:27:55    阅读次数:1212
acd Convex(求面积)
Problem Description We have a special convex that all points have the same distance to origin point. As you know we can get N segments after linking the origin point and the points on the convex. ...
分类:其他好文   时间:2014-05-25 06:55:54    阅读次数:188
LeetCode: Permutation Sequence [059]
【题目】 The set [1,2,3,…,n] contains a total of n! unique permutations. By listing and labeling all of the permutations in order, We get the following sequence (ie, for n = 3): "123" "132" "213" "231" "312" "321" Given n and k, return the kth permutation ...
分类:其他好文   时间:2014-05-25 06:13:37    阅读次数:276
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