Is it necessary for txt = fo.read (2) before while to appear? Why not connect to while, directly after fo = open (fname, "r ") how to understand the logic in this? ... txt = fo.read(2) while txt != "": txt = fo read(2) ... ...
for example, I have such a file storage app public report 1 14.pdf, in the laravel project through the php artisan storage:link command, which can be accessed directly using http: domain storage report ., but because of the particularity of this pdf,...
The page opens with the data of the current page, and other data will be loaded when the page is facing down. How to monitor that the lazily loaded data has been loaded and then take it? ...
when Google is set to keep only local data until you exit the browser, does it mean that the persistent cookie (with expiration time, not session-level cookie) written by Google will also expire? in this way, the sessionid will be regenerated every t...
there are two microservices, one in two cities. A service has an api interface open to provide data, and service B calls this interface with HttpClient from time to time to retrieve data. Tens or even hundreds of megabytes of data need to be transmitted...
about fetch, asyncdata, and nuxtserverInit in nuxtjs, these three methods are all about asynchronous data server rendering on the Nuxtjs official website. I don t quite understand the specific usage scenarios on the official website, that is, which o...
I just got in touch with Mini Program developer and recently encountered this problem when I wrote the demo, of a music player. After I returned to the list page from the playback page (or to the home page), I entered the playback page from the entrance...