the data source is kafka, and a field is a timestamp. We want to calculate the difference between the timestamps of the two pieces of data, and then add a new field to store this value and send it out. I checked. Do you want to reducebykeyandwindow? Wit...
execute go test command to report an error. What does it mean? debug call has arguments but no formatting directives in addition, what does the xxx stand for after go test-run xxx mean? check it out and see no clear statement ...
I try to run the main method directly in java to submit the job to yarn for execution. But get the following error message: 2018-08-26 10:25:37,544 INFO [main] mapreduce.Job (Job.java:monitorAndPrintJob(1375)) - Job job_1535213323614_0010 failed with ...
search for Angular Material-related documents, Baidu can t find version "@ angular material ": "2.0.0-beta.10 " github s official website can t open to see md-list-item, md-form-field, md-icon and so on, I don t know how to modify the layout. ...
sign out as written in the document: Yii::app()->user->logout(); the result reported a 500 error. ERROR: 2018-06-28 14:18:20 ip[127.0.0.1] requestId[951106107] [exception.CException] callId[0] [] CException: Session and its behaviors do not ...
see that many common modules can be introduced through subpaths, such as ant-desin : const AdaBoost = require( mlhelper algorithm AdaBoost ); or import AdaBoost from mlhelper algorithm AdaBoost ; report the error of module not found directl...
Python data can be read in {{admin_priv | safe}} mode in HTML file how to read Python data in JS file? scenario: A page needs to embed B page as part of its own page. B page generates some pages needed by A through JS to provide B with Python data pro...
difference between < link href= "static css index.css " > and < link href= " static css index.css " > ...