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 ...
this is the source code for the configuration: const path = require( path ) const webpack = require( webpack ) const CleanWebpackPlugin = require( clean-webpack-plugin ) const ExtractTextPlugin = require( extract-text-webpack-plugin ) const pag...
after clicking on the input box, when the soft keyboard pops up, the bottom navigation bar also pops up, seeking a solution. Thank you. the bottom navigation bar of ps: development technology is similar to Mini Program s native tabbar. ...
YOU how do I add which font, and this underline is hollowed out, how to solid line? ...
when deploying lnmp applications in docker, are the users and groups the same in different containers? for example, if I have configured www:www users in the host, can nginx.conf and php-fpm also set www:www users? ...
I read about the working mode settings of nginx, for example: generally set the number of worker processes in nginx to be consistent with the number of CPU cores so does the total number of processes or threads in prefork or worker mode of apache have a...