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Signal & Slot in QT
Try your best to provide an mechanism to implement what you want.1. All happen before compiling-time.1 QObject.connect(sender,SIGNAL(signal()), recive...
分类:其他好文   时间:2014-12-10 20:59:27    阅读次数:350
[Elasticsearch] 多字段搜索 (三) - multi_match查询和多数字段
multi_match查询 multi_match查询提供了一个简便的方法用来对多个字段执行相同的查询。 NOTE 存在几种类型的multi_match查询,其中的3种正好和在"了解你的数据"一节中提到的几种类型相同:best_fields,most_fields以及cross_fields。 默认情况下,该查询以best_fields类型执行,它会为每个字段生成一...
分类:其他好文   时间:2014-12-10 10:51:19    阅读次数:315
[LeetCode]Best Time to Buy and Sell Stock
Say you have an array for which the ith element is the price of a given stock on day i. If you were only permitted to complete at most one transaction (ie, buy one and sell one share of the stock),...
分类:其他好文   时间:2014-12-09 17:56:20    阅读次数:171
[LeetCode]Best Time to Buy and Sell Stock II
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 complete as many transactions as you like (ie, buy on...
分类:其他好文   时间:2014-12-09 17:55:38    阅读次数:194
Android ListView 优化最佳实践
原文地址链接:http://stackvoid.com/list-view-optimization-best-practice-android/ 我有篇博客教大家如何利用 convertView 以及 viewHolder(static) 改善 ListView 卡顿情况;但是在 ListView 加载大量复杂布局和图片的时候,即使使用了 convertView 和 vie...
分类:移动开发   时间:2014-12-09 17:48:50    阅读次数:192
URAL 2017 Best of a bad lot 二分图染色 使x集点数最少
题目链接:点击打开链接 题意: 有n个嫌疑犯。[1,n] 第i行表示第i个嫌疑犯说案发时他所在的地名,后面一个数m表示当时他看到m个人,后面m个数表示他看到的人。 找出最小的犯罪团体(即多数人都是好人原则) 若大家都是好人则随便输出一个人当坏人== 思路: 当一个人x被2个不同地方的人u, v看到时,则u v其中一个一定是犯人。 所以u-v建一条边。 然后二分图染色使得x点集点数...
分类:其他好文   时间:2014-12-09 17:48:11    阅读次数:265
Best Time to Buy and Sell Stock II
Best Time to Buy and Sell Stock IISay you have an array for which theithelement is the price of a given stock on dayi.Design an algorithm to find the ...
分类:其他好文   时间:2014-12-07 10:07:06    阅读次数:200
SPOJ 3267. D-query (主席树or树状数组离线)
A - D-query Time Limit:1500MS     Memory Limit:0KB     64bit IO Format:%lld & %llu Submit Status Practice SPOJ DQUERY Appoint description:  System Crawler  (2014-12-06) Description...
分类:编程语言   时间:2014-12-07 06:35:32    阅读次数:266
武汉科技大学ACM :1007: A+B for Input-Output Practice (VII)
Problem DescriptionYour task is to Calculate a + b.InputThe input will consist of a series of pairs of integers a and b, separated by a space, one pai...
分类:其他好文   时间:2014-12-05 21:13:59    阅读次数:150
武汉科技大学ACM :1001: A+B for Input-Output Practice (I)
Problem DescriptionYour task is to Calculate a + b.Too easy?! Of course! I specially designed the problem for acm beginners.You must have found that s...
分类:其他好文   时间:2014-12-05 21:10:20    阅读次数:237
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