1 // For example, consider a scalar error e = k - x'y, where both x and y are 2 // two-dimensional column vector parameters, the prime sign indicates ... ...
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其他好文 时间:
2018-09-13 15:05:27
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1242
When shipping goods with containers, we have to be careful not to pack some incompatible goods into the same container, or we might get ourselves in s ...
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其他好文 时间:
2018-09-09 11:56:27
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253
Be careful when writing in the blog garden. Sometimes you accidentally write something wrong, and you may be canceled. This is not a good thing. In fa ...
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其他好文 时间:
2018-09-01 12:30:06
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153
Number Sequence Time Limit: 10000/5000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 39408 Accepted Submission(s): 16 ...
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其他好文 时间:
2018-08-10 23:20:06
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170
恢复内容开始 题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=2962 Trucking Time Limit: 20000/10000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) ...
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其他好文 时间:
2018-08-08 14:56:55
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184
背景环境: SQL Server 2005或以上 Select * from 某个表,表的数据量约为30万行,在执行语句时通过观察sys.dm_exec_requests中的wait_type列发现是ASYNC_NETWORK_IO等待,在本地MSSQL2012上测试时发现了PREEMPTIVE_O ...
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Web程序 时间:
2018-08-04 11:55:47
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195
Is it legal (and moral) for a member function to say delete this? As long as you’re careful, it’s okay (not evil) for an object to commit suicide (del ...
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编程语言 时间:
2018-08-03 10:40:19
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254
传送门: http://acm.hdu.edu.cn/showproblem.php?pid=1207 汉诺塔II Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submis ...
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其他好文 时间:
2018-07-26 14:56:03
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145
Be careful! ./ and source are not quite the same. ./script runs the script as an executable file, launching a new shell to run it source script reads ...
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其他好文 时间:
2018-06-26 16:04:51
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196
解题思路 1. 100和+100是没有用的,只要知道左边的飞船轴和右边的飞船轴离y轴一样近即可。为简单起见,我们将左边的轴设为 1,右边的设为1。 2. 某个点能摧毁的飞船一定是因为有两个飞船关于这个点对称。即若( 1,y1)和(1,y2)能互相摧毁,说明他们关于(0,(y1+y2)/2)对称。 3 ...
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其他好文 时间:
2018-06-17 13:34:25
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222