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zookeeper 通过共享存储实现进程通信 而非直接通过网络信息交换
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posted @ 2017-10-13 23:28
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数据位于hdfs路径下 load data into Table t1 load 执行的是复制文件的操作 create Table partitioned by () 创建了分区目录
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posted @ 2017-10-13 22:44
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kettle——shim——Hadoop
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posted @ 2017-10-13 22:20
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re.compile('"ssid":"[^"]*"}',re.MULTILINE) re.compile('"ssid":"[^"]*"}',re.MULTILINE)
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posted @ 2017-10-13 21:11
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面向kafka编程 Consumer Group Example https://cwiki.apache.org/confluence/display/KAFKA/Consumer+Group+Example The ‘zookeeper.session.timeout.ms’ is how ma
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posted @ 2017-10-13 12:59
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Neural Task Programming: Learning to Generalize Across Hierarchical Tasks
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posted @ 2017-10-13 12:54
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数仓分层介绍及架构_大数据开发治理平台 DataWorks(DataWorks)-阿里云帮助中心 https://help.aliyun.com/zh/dataworks/use-cases/data-layer 在阿里巴巴的数据体系中,我们建议将数据仓库分为三层,自下而上为:数据引入层(ODS,O
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posted @ 2017-10-13 12:11
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posted @ 2017-10-13 02:05
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事实 聚合计算 维度 层次关系 事实 通常是数字型
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posted @ 2017-10-13 00:12
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https://www.indooratlas.com/ MaLoc: a practical magnetic fingerprinting approach to indoor localization using smartphones MaLoc: a practical magnetic
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posted @ 2017-10-12 10:57
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Magnetic Fingerprinting Approach to Indoor Localization
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posted @ 2017-10-12 08:54
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posted @ 2017-10-12 03:01
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posted @ 2017-10-12 02:02
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posted @ 2017-10-12 01:16
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posted @ 2017-10-11 23:20
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posted @ 2017-10-11 23:19
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posted @ 2017-10-11 23:12
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SELECT sum(v) FROM ( SELECT score.id, 100+80+score.math_score+ score.english_score AS v FROM people JOIN score WHERE people.id = score.id AND people.a
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posted @ 2017-10-11 20:26
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posted @ 2017-10-11 19:17
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Louvain Modularity Fast unfolding of communities in large networks https://arxiv.org/pdf/0803.0476.pdf 【一些算法的思路 都很简单 ;但是数学翻译是严谨的】 【0-全局模块度,原始模块度,全局目标函
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posted @ 2017-10-11 17:34
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https://colah.github.io/posts/2014-10-Visualizing-MNIST/
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posted @ 2017-10-11 16:37
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posted @ 2017-10-11 13:07
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【为了寻找chunk 文件块】 为了寻找某个文件的文件块,存在另一个称为master node 主节点或name node 名字节点的小文件为该文件所用。
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posted @ 2017-10-11 00:59
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posted @ 2017-10-11 00:47
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分布式底层的一方面:软件栈下层的文件系统 分布式上层的一种形式:SQL的某种实现
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posted @ 2017-10-11 00:42
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y=cx∧a 卖品销量排名与销量
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posted @ 2017-10-11 00:23
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bug 沟通效率不能为负值!! https://blogs.office.com/en-us/2012/11/05/containers-and-callouts-in-visio/?eu=true visio-document——subprocess callouts 【start/end dec
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posted @ 2017-10-10 17:35
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zh.wikipedia.org/wiki/同步 【同步不同事件发生 时间一致】 同步(英语:Synchronization),指在一个系统中所发生的事件(event),之间进行协调,在时间上出现一致性与统一化的现象。在系统中进行同步,也被称为及时(in time)、同步化的(synchronous
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posted @ 2017-10-10 01:08
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Frequently Asked Questions — PyPy documentation https://doc.pypy.org/en/latest/faq.html#does-pypy-have-a-gil-why PEP 703 – Making the Global Interpret
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posted @ 2017-10-10 00:42
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posted @ 2017-10-09 18:57
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https://www.cs.utah.edu/~jeffp/teaching/cs5955/L3-Chern-Hoeff.pdf 【大数据-通过随机过程降维 】 When dealing with modern big data sets, a very common theme is reduc
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posted @ 2017-10-09 15:15
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https://www.cs.utah.edu/~jeffp/teaching/cs5955/L4-Jaccard+Shingle.pdf https://www.cs.utah.edu/~jeffp/teaching/cs5955/L5-Minhash.pdf 【可测空间 convert the
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posted @ 2017-10-09 14:23
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A hash function that maps names to integers from 0 to 15. There is a collision between keys "John Smith" and "Sandra Dee".、、 A minimal perfect hash fu
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posted @ 2017-10-09 11:34
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Software-defined networking administrators to programmatically initialize, control, change, and manage network behavior dynamically via open interface
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posted @ 2017-10-07 20:15
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posted @ 2017-10-07 09:34
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Aspect Oriented Programming
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posted @ 2017-10-05 18:37
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posted @ 2017-10-03 18:55
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posted @ 2017-09-30 21:19
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https://en.wikipedia.org/wiki/Wavelet For example, a wavelet could be created to have a frequency of Middle C and a short duration of roughly a 32nd n
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posted @ 2017-09-30 19:14
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http://www0.cs.ucl.ac.uk/staff/d.silver/web/Teaching_files/control.pdf
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posted @ 2017-09-30 19:08
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