User::find()->all(); 此方法返回所有数据；User::findOne($id); 此方法返回 主键 id=1 的一条数据(举个例子)； User::find()->where(['name' => '小伙儿'])->one(); 此方法返回 ['name' => ...
分类：
数据库 时间：
2015-09-28 11:18:26
阅读次数：
272
Problem DescriptionDuring Frosh Week, students play various fun games to get to know each other and compete against other teams. In one such game, all...
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其他好文 时间：
2015-09-28 09:58:07
阅读次数：
265
1、Eclipseb版本为Mars Release (4.5.0) 2、报错内容 Could not calculate build plan: Plugin org.apache.maven.plugins:maven-resources-plugin:2.6 or one of its dependencies could not be resolved:.........
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系统相关 时间：
2015-09-27 22:59:22
阅读次数：
931
QUESTION 3
Your database is in ARCHIVELOG mode. You have two online redo log groups, each of which contains
one redo member. When you attempt to start the database, you receive the following errors:...
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其他好文 时间：
2015-09-27 21:36:19
阅读次数：
213
DescriptionIn the city, there is a one-way straight highway starts from the northern end, traverses the whole city southward, and finishes at the sout...
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其他好文 时间：
2015-09-27 14:59:00
阅读次数：
218
Q1. Name the most common InputFormats defined in Hadoop? Which one is default?Following 2 are most common InputFormats defined in Hadoop- TextInputFor...
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其他好文 时间：
2015-09-27 06:22:43
阅读次数：
149
3种版本的答案，第一种使用virtual top and bottom site, 但有backwash的问题，解决这个问题有两种方法：1. 使用2个WQUUF, 但会增加memory.One for checking if the system percolates(include virtual...
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其他好文 时间：
2015-09-27 06:21:54
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442
/*Merge k sorted linked lists and return it as one sorted list. Analyze and describe its complexity. */#include #include#include#include#includeusing ...
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其他好文 时间：
2015-09-26 14:35:28
阅读次数：
212
http://www.theregister.co.uk/2015/09/20/chrome_url_crash/Crash Google Chrome with one tiny URL: We cram a probe in this bugHow clicking on or even rol...
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Web程序 时间：
2015-09-25 22:54:11
阅读次数：
1918
CTDB Design ? one daemon ctdbd on each node ? smbd talks to local ctdbd for messaging and TDB access ? ctdbd handles metadata of TDBs via the network ? ctdbd keeps local TDB copy (LTDB) for fa...
分类：
数据库 时间：
2015-09-25 18:52:38
阅读次数：
194
