我正进入(状态
调用ListObjects操作时发生错误(AccessDenied):拒绝访问
当我尝试从我的S3存储桶中获取文件夹时.
使用此命令
aws s3 cp s3://bucket-name/data/all-data/ . --recursive
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存储桶的IAM权限如下所示
{
"Version": "version_id",
"Statement": [
{
"Sid": "some_id",
"Effect": "Allow",
"Action": [
"s3:*"
],
"Resource": [
"arn:aws:s3:::bucketname/*"
]
}
] }
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我需要做什么改变,以便能够copy和ls成功?
我想使用日历方法来设置年份日期和月份,但是如果日期无效,则需要某种指示,例如
calendar.set(2013,Calendar.JANUARY , 23) //is a valid date
calendar.set(2013,Calendar.JANUARY , 33) //is not
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我设置calendar.setLenient(false)并预计将值设置为1月33日会引发异常,但事实并非如此.
我有一个混合类型的数据帧.我正在使用spark.sql('select a,b,c from table')命令从hive表中读取此数据帧
.
有些列是int,bigint,double,其他列是string.共有32列.在pyspark中有什么办法可以将数据框中的所有列转换为字符串类型吗?
我正在尝试卸载 jupyter。
pip uninstall jupyter,它给了我这个错误:
Cannot uninstall requirement jupyter, not installed
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但which jupyter说
/usr/local/bin/jupyter
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我尝试使用pip install pip-autoremove然后pip-autoremove jupyter -y但是给出了这个错误:
Traceback (most recent call last):
File "/usr/local/bin/pip-autoremove", line 11, in <module>
sys.exit(main())
File "/Library/Python/2.7/site-packages/pip_autoremove.py", line 109, in main
autoremove(args, yes=opts.yes)
File "/Library/Python/2.7/site-packages/pip_autoremove.py", line 21, in autoremove
dead = list_dead(names)
File "/Library/Python/2.7/site-packages/pip_autoremove.py", line 28, in list_dead
start = set(map(get_distribution, names))
File "/Users/<username>/Library/Python/2.7/lib/python/site-packages/pkg_resources/__init__.py", line 562, in get_distribution
dist = get_provider(dist)
File "/Users/<username>/Library/Python/2.7/lib/python/site-packages/pkg_resources/__init__.py", line 436, in get_provider …Run Code Online (Sandbox Code Playgroud) 我看到在旧API org.apache.hadoop.mapred.JobConf类中有setQueueName用于设置队列名称的hadoop.任何人都可以指向我API使用新的类org.apache.hadoop.conf或org.apache.hadoop.mapreduce包中的等价物吗?