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大数据开发问题

2022-06-27 15:31 by DataBases, 129 阅读, 收藏,
摘要: scalac: Token not found: 在 IDEA 中执行 scala 程序时,报 scalac: Token not found的错误在 Settings -> Plugins 里面把 Scala 插件停用重启 IDEA,再启用 Scala 插件、重启 IDEA,就可以了。 class 阅读全文

stratified k-fold

2021-05-18 15:34 by DataBases, 126 阅读, 收藏,
摘要: If you have a skewed dataset for binary classification with 90% positive samples and only 10% negative samples, you don't want to use random k-fold cr 阅读全文

K-fold Train

2021-05-19 16:42 by DataBases, 125 阅读, 收藏,
摘要: # config.pyTRAINING_FILE = "../input/mnist_train_folds.csv"MODEL_OUTPUT = "../models/" # train.pyimport osimport configimport joblibimport pandas as p 阅读全文

Python request

2020-09-22 11:27 by DataBases, 125 阅读, 收藏,
摘要: The advantages of APIsHow to create and process API requestsThe JSON data format # Make a get request to get the latest position of the ISS from the O 阅读全文

Hadoop Yarn

2020-08-07 14:08 by DataBases, 114 阅读, 收藏,
摘要: Hadoop YARN同时支持内存和CPU两种资源的调度(默认只支持内存,如果想进一步调度CPU,需要自己进行一些配置),本文将介绍YARN是如何对这些资源进行调度和隔离的。 在YARN中,资源管理由ResourceManager和NodeManager共同完成,其中,ResourceManager 阅读全文
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