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ZOJ3195 Design the city [2017年6月计划 树上问题04]
Cerror is the mayor of city HangZhou. As you may know, the traffic system of this city is so terrible, that there are traffic jams everywhere. Now, Ce ...
分类:其他好文   时间:2017-06-25 11:05:01    阅读次数:168
ORA 12505 Listener does not currently know of SID given in connection descriptor
oracle数据库正常启动后。在本地能够正常訪问,可是远程使用sqldevelop却不能訪问。提示ORA 12505 Listener does not currently know of SID given in connection descriptor,解决问题之前,先看一下oracleser ...
分类:其他好文   时间:2017-06-23 16:26:09    阅读次数:225
Plugin is too old, please update to a more recent version, or set ANDROID_DAILY_OVERRIDE environment
Apparently, beta releases of the Gradle for Android plugin expire. AFAIK, that is not documented behavior. Right now, the only way that I know of to f ...
分类:移动开发   时间:2017-06-21 20:00:19    阅读次数:185
composer常用命令(部分摘抄)
1. 仅更新单个库 2. 不编辑composer.json的情况下安装库 3. 派生 http://www.phpcomposer.com/5-features-to-know-about-composer-php/ 后面还有两条不太理解就没有摘抄过来了 ...
分类:其他好文   时间:2017-06-21 18:15:23    阅读次数:117
信息熵
That transfer of information, from what we don’t know about the system to what we know, represents a change in entropy. Insight decreases the entropy ...
分类:其他好文   时间:2017-06-21 13:56:54    阅读次数:136
nyoj 282 You are my brother
You are my brother 时间限制:1000 ms | 内存限制:65535 KB 难度:3 描述 Little A gets to know a new friend, Little B, recently. One day, they realize that they are fa ...
分类:其他好文   时间:2017-06-20 10:57:42    阅读次数:143
POJ 1325 && ZOJ 1364--Machine Schedule【二分图 && 最小点覆盖数】
Machine Schedule Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 13071 Accepted: 5575 Description As we all know, machine scheduling is a v ...
分类:系统相关   时间:2017-06-16 21:14:21    阅读次数:209
11 Python Libraries You Might Not Know
11 Python Libraries You Might Not Know by Greg | January 20, 2015 11 Python Libraries You Might Not Know by Greg | January 20, 2015 There are tons of ...
分类:编程语言   时间:2017-06-15 22:41:15    阅读次数:263
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