我试图从函数返回输出,并在for循环中执行函数调用,并在同一个循环中打印输出。但这是行不通的:
pagination_urls = ["http://google.com"]
def oss(url):
data = url
return data
for url in pagination_urls:
oss(url)
spider = data
print spider
输出:
Traceback (most recent call last):
File "mongo.py", line 10, in &l
您好,我正在尝试从卡桑德拉提取数据使用AWS胶水和编写PySpark代码。下面是代码,给了我错误。请建议我如何导入类/驱动程序。 我想从Cassandra中提取并创建文件到S3存储桶中。 #from awsglue.transforms import sys
import sys
from pyspark.sql import SQLContext
from pyspark.sql import SparkSession
from pyspark.context import SparkContext
from awsglue.context import GlueContext
from
我有网络应用程序托管在Linux上,包含上传.rar文件的页面和下载它的另一个页面。对于上传功能工作正常,文件上传到服务器成功,但对于下载,它给了我以下异常: [servelt.scriptdownloadservelt] in context with path [/OSS-CPE-Tracker] threw exception
java.io.FileNotFoundException: \usr\local\apache-tomcat-8.5.31\OSS-CPE-Tracker\Zaky\QCAM.rar (No such file or directory) 我使用下面的函
我正在为上传快照工件到Sonatype oss而苦苦挣扎。我可以上传工件:https://oss.sonatype.org/content/repositories/snapshots/com/github/st-h/vertx-mongo-streams/2.1.0-SNAPSHOT/ 但是,当我尝试使用该库作为依赖项时,它总是试图下载一个不存在的版本。例如,这是我最新的构建错误: Could not determine the dependencies of task ':shadowJar'.
> Could not resolve all dependencie
在Maven中设置Casbah MongoDB驱动程序的正确方法是什么?当我试图运行Maven构建时有以下错误,我得到以下错误:
[ERROR] The following artifacts could not be resolved: org.mongodb:casbah_2.10:jar:2.5.1, com.novus:salat-core:jar:1.9.2: Failure to find org.mongodb:casbah_2.10:jar:2.5.1 in https://oss.sonatype.org/content/repositories/releases/ was
我使用play new hello命令创建了一个新的应用程序,并在目录中输入cd。当我在目录中键入play时,我收到以下错误:
akshay@Akshay:~/play/testn$ play -help
Java HotSpot(TM) Server VM warning: ignoring option MaxPermSize=512M; support was removed in 8.0
Getting org.scala-sbt sbt 0.13.0 ...
:: retrieving :: org.scala-sbt#boot-app
confs: [default]