In the Linux environment, I run categoriMap = train.map(lambdax:x[3]).distinct().zipWithIndex().collectAsMap() In such a sentence, there is no error in the normal operation of jupyter notebook, but not on pycharm. I would like to ask why the wrong cont...
the data value is like this < table > < thead > < tr > < th > Survived < th > < th > age < th > < tr > < thead > < tbody > < tr > < td > 0 < td > < td > 22.0 < td > < tr > < tr > < td > 1 < td > < td > 38.0 < td > < tr > < tr > < td...
purpose: there are two large pieces of data in spark that require join,. Both input data contain the field userid. Now you need to associate them according to userid. I hope to avoid shuffle. completed: I pre-processed two pieces of data into 1w f...
problem description Hi, I called the jieba participle when I was running pyspark on the company line, and found that I could successfully import, but when I called the participle function in RDD, it suggested that there was no module jieba, without th...
problem description svg creates rain effect. When calling raindrop function with timer setInterval, raindrop animation will not run. Calling raindrop function alone or several times can run animation and solve . related codes <svg width= 100% ...
1. A large file cutting test is realized by using slice and fileReader. The idea is to segment the files [0] file obtained in the onchange of input type= "file " using files [0] .slice (start,end) according to the size of chunkSize, and instantiate a F...
use functions to query SELECT CATALOG_ID, PARENT_ID, getParentList (1519644122048414430) FROM t_knowledge_catalog; how do I pass the CATALOG_ID of each row of data to the getParentList function to find out different data for different ...
when matching the values of the array in the project of vue, it is found that the array with _ _ ob__: Observer cannot get the value inside. print the value of this.upData [0] , which is undefined , and himself has only got general information ab...
as shown in the figure: because label1 and label2 are in the same position, there will be a deviation in the upper label2 color display. Normally, it should be the label3 display effect . UILabel *label1 = [[UILabel alloc] initWithFrame:CGRectMake...