public class FixedThreadPool implements ThreadPool { public Executor getExecutor(URL url) { String name = url.getParameter(Constants.THREAD_NAME_KEY, Constants.DEFAULT_THREAD_NAME); int threads = url.getParameter(Constants.THREADS_KE...
node is widely used in the company s existing technical capabilities. Now there is a relatively large project. Consider doing service split. Is there a recommended distributed framework under node? Similar to the dubbo, used under java, it is relatively...
recently studied Spring-cloud. We know that Zuul is a gateway component under the Spring-cloud system. After reading a blog post by Zhai Yongchao, I mentioned this sentence: **duboo** Why is the Gateway layer not needed under the dubbo architecture? ...
about back-end api interface design Why doesn t the backend directly use http s status code + response body json. But to customize a format? for example, the backend returns a 200 status code, and then uses code to represent the success or failure ...
topic description as shown in the following figure, the number of pages like this is incomplete and there is no link address for the next page. How can I get the next page? related codes start_urls = [ https: www.bilibili.com v kichiku course ...
use pandas s read_csv to read a dataset import pandas as pd dfoff = pd.read_csv (xxx.csv , keep_default_na=False) pd.set_option ( display.max_columns , None) print (dfoff.head (3)) found that he has 6 columns of data User_id print(dfof...
Does the newly added record in mongodb have to be on the last line of collection? ...
has an indefinite array arr = [{a: ,b: ,c: }] abc Click the add button to push an object in arr arr = [{a: ,b: ,c: },{a: ,b: ,c: },{a: ,b: ,c: }] Click the delete button to delete the corresponding object arr = ...