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 ...
when there is too much content at the bottom, you need to be able to scroll ...
topic description when I modify the .vue file, the browser does refresh, but the content is not updated. At this time, I go to change any js file, and the contents of the previous changes to the .vue file will be updated and displayed to the browser. ...
problem description the first element of li in the drop-down menu overlaps with the sibling element of ul the environmental background of the problems and what methods you have tried tried to add positioning to no avail related codes Pleas...
when I save the mavon-editor edited content to the database, I still want to put it in the editor to continue editing, but I found that the bound value mavon-editor is directly output to me as is, what should I do? <mavon-editor v-model="commen...
as shown in the figure, a total of 3 columns, each column fixed 22 rows, more than 22 rows, then shown on the right, the ranking changes with the previous, is there any good way to solve it? ...