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posted @ 2017-11-09 08:03
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throws 阅读全文
posted @ 2017-11-09 00:14
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wget https://raw.githubusercontent.com/mysql/mysql-server/5.7/mysql-test/mysql-test-run.pl 阅读全文
posted @ 2017-11-07 23:19
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https://dev.mysql.com/doc/refman/5.6/en/account-management-sql.html USE mysql; SELECT Host,User FROM user; 【BUG】CREATE USER 'xx'@'%' IDENTIFIED BY 'yy 阅读全文
posted @ 2017-11-07 20:48
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The basic principle of test case evaluation is that output resulting from running a test case is compared to the expected result. https://dev.mysql.co 阅读全文
posted @ 2017-11-07 17:35
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持久性 可伸缩性 Redis 阅读全文
posted @ 2017-11-07 02:04
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https://redis.io/topics/persistence http://oldblog.antirez.com/post/redis-persistence-demystified.html 阅读全文
posted @ 2017-11-07 01:12
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runtime\error.go // An errorString represents a runtime error described by a single string. type errorString string func (e errorString) RuntimeError( 阅读全文
posted @ 2017-11-07 00:26
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rfc1918 https://datatracker.ietf.org/doc/html/rfc1918 Hosts within enterprises that use IP can be partitioned into three categories: Category 1: hosts 阅读全文
posted @ 2017-11-07 00:05
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https://docs.oracle.com/javase/tutorial/javabeans/ https://docs.oracle.com/javase/tutorial/javabeans/quick/index.html This lesson describes how to use 阅读全文
posted @ 2017-11-07 00:01
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https://spring.io/guides/tutorials/bookmarks/ 阅读全文
posted @ 2017-11-06 23:42
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A Universally Unique IDentifier (UUID) URN Namespace https://tools.ietf.org/html/rfc4122.html A UUID is 128 bits long, and requires no central registr 阅读全文
posted @ 2017-11-06 08:13
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模型驱动的历史 数据驱动的未来 吴喜之老师 阅读全文
posted @ 2017-11-06 02:51
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Maximum likelihood from incomplete data via the EM algorithm (1977) 阅读全文
posted @ 2017-11-06 02:33
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http://cs229.stanford.edu/ http://cs229.stanford.edu/notes/cs229-notes7b.pdf 阅读全文
posted @ 2017-11-06 02:19
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http://cs229.stanford.edu/syllabus.html 阅读全文
posted @ 2017-11-06 02:14
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https://www.cs.toronto.edu/~hinton/csc2535/notes/lec10new.pdf Distributed hidden state that allows them to store a lot of information about the past e 阅读全文
posted @ 2017-11-06 01:10
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https://github.com/karpathy/char-rnn 阅读全文
posted @ 2017-11-06 00:33
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完备 阅读全文
posted @ 2017-11-05 20:23
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lab 欧式距离 反映 人类所能感受到的这两种颜色的差异 阅读全文
posted @ 2017-11-05 18:01
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CNN是工具，在图像识别中是发现图像中待识别对象的特征的工具，是剔除对识别结果无用信息的工具。 ImageNet Classification with Deep Convolutional Neural Networks http://papers.nips.cc/paper/4824-image 阅读全文
posted @ 2017-11-05 17:12
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https://arxiv.org/abs/1512.00567 Convolutional networks are at the core of most state-of-the-art computer vision solutions for a wide variety of tasks 阅读全文
posted @ 2017-11-05 16:42
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可积性 阅读全文
posted @ 2017-11-05 15:01
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卷积 图像降维 阅读全文
posted @ 2017-11-05 12:47
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添加隐藏层的作用 异或门函数图形表示 xor 阅读全文
posted @ 2017-11-05 01:46
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impala impalad broadcast join 广播式关联 partitioned hash join 分区后散列关联 阅读全文
posted @ 2017-11-04 22:47
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https://docs.oracle.com/javadb/10.8.3.0/ref/rrefsqlj18922.html INNER JOIN operation Specifies a join between two tables with an explicit join clause. 阅读全文
posted @ 2017-11-04 22:28
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行 支持数据追加 列 频繁进行小部分列查询 阅读全文
posted @ 2017-11-04 21:56
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不可 Kimball维度建模 维度建模，而非数据建模 文本型度量是对某些事情的描述。虽然以文本方式度量事实是可行的，但是应将其放入维度表中，除非对事实表的每个行，其文本是唯一的。 数据仓库的好坏直接取决于维度属性的设置：DW/BI环境的分析能力直接取决于维度属性的质量和深度。 【简单：易理解 性能好 阅读全文
posted @ 2017-11-04 21:37
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全依赖 Designs that Violate 1NF CustomerCustomer ID First Name Surname Telephone Number123 Pooja Singh 555-861-2025, 192-122-1111456 San Zhang (555) 403- 阅读全文
posted @ 2017-11-04 21:22
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cache 阅读全文
posted @ 2017-11-04 20:30
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posted @ 2017-11-04 20:29
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http://storm.apache.org/ 【doing for realtime processing what Hadoop did for batch processing 】 Apache Storm is a free and open source distributed real 阅读全文
posted @ 2017-11-04 16:28
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streaming 阅读全文
posted @ 2017-11-04 13:01
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设函数f在U(a,n)有定义，在a点可导，则根据无穷小增量公式，存在一次多项式 A0+A1(x-a) (A0=f(a), A1=f'(a)) 使得 f(x)=A0+A1(x-a)+o(x-a) 如果f在a点n次可导，那么： 0-能否有n次多项式 P(x)= 1-这样的n次多项式能有几个 张筑生老师 阅读全文
posted @ 2017-11-04 12:12
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http://www.math.pitt.edu/~xfc/math2370/chap5.pdf 阅读全文
posted @ 2017-11-04 02:27
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http://math.wallawalla.edu/~duncjo/courses/math113/winter08/notes/9-1_math113.pdf Name What Changes What Doesn’t Translation Position Size, Shape, Ori 阅读全文
posted @ 2017-11-04 02:22
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http://mathworld.wolfram.com/CongruentMatrices.html Two square matrices and are called congruent if there exists a nonsingular matrix such that where 阅读全文
posted @ 2017-11-04 02:06
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http://www.oracle.com/technetwork/java/javase/memleaks-137499.html 3.1 Meaning of OutOfMemoryError One common indication of a memory leak is the java. 阅读全文
posted @ 2017-11-03 23:11
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https://docs.python.org/zh-cn/dev/c-api/intro.html 概述 Python 的应用编程接口（API）使得 C 和 C++ 程序员可以在多个层级上访问 Python 解释器。该 API 在 C++ 中同样可用，但为简化描述，通常将其称为 Python/C 阅读全文
posted @ 2017-11-03 23:03
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