has the following requirements: set N minutes to monitor the rise or fall of a stock by X% within N minutes, then notify the user. how is it more efficient? the stupidest way to achieve the above demand is to calculate whether the increase is a hi...
I would like to ask you that Mini Program will occasionally encounter black blocks or flashbacks on some models (usually out of memory or too deep at the page level). Is there any way to capture this with code? Answer _ questions ...
< H2 > question < H2 > multithreaded crawler, the data source is DruidDataSource,SQL is very long and make sure there are no errors, do not post. After all, if it is a SQL problem, then local execution will be slow. the crawler is found to be very s...
interview related related codes var re = abc g; console.log(re.test("abcd")===re.test("abcd")); false ...
problem description when I use python3 s redis for caching, the structure is hset, but when the data reaches 10000, I need to store these 10000 pieces of data into the database. When I delete the hset, of redis, the new request is not added to the re...
A react project, the down arrow function structure assignment can be used, does it not need @ babel polyfill to be compatible? the code is as follows: package.json "@babel core": "^7.2.2", "@babel plugin-proposal-class-prop...