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【数据技巧1】手把手教你用容器实现下钻 https://mp.weixin.qq.com/s/l0iIUi6Jl9UuXxgQoXXM-A 数据分析工作中，尤其在做数据汇报时，难免需要做多层级的精准报告，仪表板里的数据下钻就显得格外重要。以往，我们习惯通过筛选去下钻、或通过视图去筛选，你有没有想到其 阅读全文
posted @ 2017-11-14 12:01
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识别：访问者来源、会话、访问者 HTTP 安全套接字层SSL ：包含访问者的登录活动和加密密钥的交换 动态网页：在返回给访问者的每个网页中隐藏一个会话ID的字段来维护访问者状态 阅读全文
posted @ 2017-11-13 22:59
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[root@bigdata-server-02 /]# ps --help all Usage: ps [options] Basic options: -A, -e all processes -a all with tty, except session leaders a all with t 阅读全文
posted @ 2017-11-13 19:27
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https://en.wikipedia.org/wiki/SHA-3 阅读全文
posted @ 2017-11-13 19:01
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【熵增】 由无序到有序 http://spark.apache.org/docs/latest/rdd-programming-guide.html#shuffle-operations Shuffle operations Certain operations within Spark trigg 阅读全文
posted @ 2017-11-13 17:46
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每个job被划分为多个stage。划分stage的一个主要依据是当前计算因子的输入是否是确定的，如果是则将其分在同一个stage，从而避免多个stage之间的消息传递开销。 http://spark.apache.org/docs/latest/rdd-programming-guide.html 阅读全文
posted @ 2017-11-13 16:15
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data warehouse 阅读全文
posted @ 2017-11-13 14:16
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Apache HBase™ is the Hadoop database, a distributed, scalable, big data store. Use Apache HBase™ when you need random, realtime read/write access to y 阅读全文
posted @ 2017-11-13 14:12
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https://en.wikipedia.org/wiki/DevOps DevOps (a clipped compound of "development" and "operations") is a software engineering practice that aims at uni 阅读全文
posted @ 2017-11-13 11:29
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5 Ways to Make Your Hive Queries Run Faster Technique #1: Use Tez Hive can use the Apache Tez execution engine instead of the venerable Map-reduce eng 阅读全文
posted @ 2017-11-12 13:19
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multiple r squared adjusted r squared http://web.maths.unsw.edu.au/~adelle/Garvan/Assays/GoodnessOfFit.html Goodness-of-Fit Statistics Sum of Squares 阅读全文
posted @ 2017-11-11 20:37
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https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2895822/ In Brief: The P Value: What Is It and What Does It Tell You? Frederick Dorey, PhD Author informa 阅读全文
posted @ 2017-11-11 18:55
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延迟 阅读全文
posted @ 2017-11-11 09:08
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tuple 每个处理路径 阅读全文
posted @ 2017-11-11 09:04
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https://flume.apache.org/FlumeDeveloperGuide.html#client-sdk flume使用之httpSource - CSDN博客 https://blog.csdn.net/liuxiao723846/article/details/78131732 阅读全文
posted @ 2017-11-11 01:27
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https://github.com/cloudera/flume/blob/master/flume-docs/src/docs/UserGuide/Introduction 阅读全文
posted @ 2017-11-11 01:15
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http://www.chromium.org/spdy/spdy-whitepaper https://en.wikipedia.org/wiki/SPDY BGP DHCP DNS FTP HTTP HTTPS IMAP LDAP MGCP MQTT NNTP NTP POP ONC/RPC R 阅读全文
posted @ 2017-11-11 01:06
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https://blog.chromium.org/2013/06/experimenting-with-quic.html user datagram protocol transport layer security 阅读全文
posted @ 2017-11-11 01:03
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翻译 搜索 复制 阅读全文
posted @ 2017-11-11 00:31
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https://git-scm.com/book/en/v2/Git-Branching-Rebasing 阅读全文
posted @ 2017-11-10 22:03
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https://tecadmin.net/ways-to-send-email-from-linux-command-line/ We all know the importance of emails these days for information transfer. There are m 阅读全文
posted @ 2017-11-10 21:41
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https://baike.baidu.com/item//638320?fromModule=lemma_inlink 假设检验(hypothesis testing)，又称统计假设检验，是用来判断样本与样本、样本与总体的差异是由抽样误差引起还是本质差别造成的统计推断方法。显著性检验是假设检验中最 阅读全文
posted @ 2017-11-10 15:21
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http://www.bankrate.com/finance/credit/what-is-a-fico-score.aspx Anyone who’s ever thought about looking for a loan has inevitably encountered four fa 阅读全文
posted @ 2017-11-10 14:59
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http://www.indiana.edu/~p1013447/dictionary/lat_i.htm 【This means that neighboring visual neurons respond LESS if they are activated at the same time 阅读全文
posted @ 2017-11-09 21:20
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https://mp.weixin.qq.com/s/LjFTtEKFX2o8kLjn3y6GbQ 深度学习的异构加速技术1：效率因通用而怠，构架为AI而生 一方面，当半导体的工艺制程走到7nm后，已逼近物理极限，摩尔定律逐渐失效，导致CPU不再能像以前一样享受工艺提升带来的红利：通过更高的工艺，在 阅读全文
posted @ 2017-11-09 19:24
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https://www.tensorflow.org/api_docs/python/tf/split 阅读全文
posted @ 2017-11-09 17:07
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https://www.math.wustl.edu/~russw/f10.math493/chebyshev.pdf http://www.tkiryl.com/Probability/Chapter%208.pdf http://mathworld.wolfram.com/ChebyshevIn 阅读全文
posted @ 2017-11-09 10:30
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li, r = [23,8, 45, 5, 0, -6, 745,8, 8], [] while (len(li) > 0): loop_, min, tag = len(li), li[0], 0 for i in range(0, loop_, 1): chk = li[i] if min > chk: min,... 阅读全文
posted @ 2017-11-09 10:11
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jedis 阅读全文
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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