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C# 中的Single,SingleOrDefault,First,FirstOrDefault的区别
Single(条件):确定只符合条件的结果只有一个值;否则报错,如果有多个值则报Sequence contains more than one matching element 如果没有符合的则报Sequence contains no matching element。SingleOrDefaul...
分类:其他好文   时间:2014-09-02 12:19:54    阅读次数:172
1041. Be Unique (20)
Being unique is so important to people on Mars that even their lottery is designed in a unique way. The rule of winning is simple: one bets on a numbe...
分类:其他好文   时间:2014-09-02 11:55:54    阅读次数:197
[cross domain] four approachs to cross domain in javascript
four approachs can cross domain in javascript1.jsonp2.document.domain(only in frame and they have one same parent domain)3.window.name4.window.postMes...
分类:移动开发   时间:2014-09-02 11:47:34    阅读次数:197
Top 5 Code Smells Newbies Developers Could Easily Identify & Avoid
Posted byAjitesh Kumar /InFreshers,Software Quality /February 1, 2014Following is one very popular image which has been used to represent time and aga...
分类:其他好文   时间:2014-09-02 10:23:34    阅读次数:278
[leecode]Scramble String
Scramble StringGiven a strings1, we may represent it as a binary tree by partitioning it to two non-empty substrings recursively.Below is one possible...
分类:其他好文   时间:2014-09-02 00:17:33    阅读次数:260
LeetCode: Gray Code
LeetCode: Gray CodeThe gray code is a binary numeral system where two successive values differ in only one bit.Given a non-negative integer n represen...
分类:其他好文   时间:2014-09-01 22:31:13    阅读次数:289
LeetCode: Merge Sorted Array
LeetCode: Merge Sorted ArrayGiven two sorted integer arrays A and B, merge B into A as one sorted array. Note:You may assume that A has enough space (...
分类:其他好文   时间:2014-09-01 22:29:23    阅读次数:172
Team Project Proposal: All-in-one多信息源整合的移动应用 ——by Yuchan
在这个每天资讯爆炸的海量信息时代,如何快速获取自己想要的信息是许多人十分感兴趣的话题。 作为IT行业的一员,步步紧跟行业发展、随时根据最新信息做出决策是必不可少的素质之一。而如今移动端的兴起,刺激了人们立即从移动设备上随时随地获取信息的需求,从而导致了信息源类型的应用层出不穷(如左图),社交网...
分类:移动开发   时间:2014-09-01 21:04:43    阅读次数:274
[Hibernate] - Annotations - One To One
Hibernate annotation 一对一的两种实现:1)幅表中有主表的主键ID做为引用2)幅表的主键即为主表的IDhibernate.cfg.xml com.mysql.jdbc.Driver jdbc:mysql://127.0.0.1/...
分类:系统相关   时间:2014-09-01 19:25:43    阅读次数:285
PostgreSQL data同步工具【pg_rewind】
pg_rewind is a tool for synchronizing a PostgreSQL data directory with another PostgreSQL data directory that was forked from the first one. The result is equivalent to rsyncing the first data directory with the second one. The advantage of pg_rewind over ...
分类:数据库   时间:2014-09-01 17:44:53    阅读次数:495
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