From d9612fefdd85aeb06281718c0f18642f92ca5f89 Mon Sep 17 00:00:00 2001 From: xlc <631948983#qq.com> Date: Thu, 21 Nov 2019 09:30:21 +0800 Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=94=B9=E6=A0=BC=E5=BC=8F=E9=97=AE?= =?UTF-8?q?=E9=A2=98?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- chapter1/1.3Spark完全分布式环境搭建.md | 2 -- chapter2/2.2对战斗机飞行性能进行分析.md | 4 +++- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/chapter1/1.3Spark完全分布式环境搭建.md b/chapter1/1.3Spark完全分布式环境搭建.md index 3b08383..5256066 100644 --- a/chapter1/1.3Spark完全分布式环境搭建.md +++ b/chapter1/1.3Spark完全分布式环境搭建.md @@ -126,8 +126,6 @@ AuthorizedKeysFile .ssh/authorized_keys # 公钥文件路径(和上面生成 重启`ssh`。 - - 生成从机的公钥 ``` diff --git a/chapter2/2.2对战斗机飞行性能进行分析.md b/chapter2/2.2对战斗机飞行性能进行分析.md index 807b729..878c192 100644 --- a/chapter2/2.2对战斗机飞行性能进行分析.md +++ b/chapter2/2.2对战斗机飞行性能进行分析.md @@ -104,7 +104,9 @@ spark = SparkSession \ 本例可使用如下表达式: -`cast(replace(regexp_extract(`最大飞行速度`,'[\\\d,\\\.]+',0),',','') as float)` +``` +cast(replace(regexp_extract(`最大飞行速度`,'[\\\d,\\\.]+',0),',','') as float) +``` 第四步:使用降序输出前三。