ref: StackOverflow s question address The answer explained that weak reference counters have an impact on the life cycle of control block. I understand that new is different from make_shared, but I don t understand why control block needs to maint...
topic: ss for example: enter google, to find that the longest symmetrical string is goog enter abcda to find that the longest symmetric string is aba. if there is more than one longest symmetric string, multiple longest symmetric strings o...
after I recently installed webpack-dev-server , I always failed to start and tried all sorts of methods, but it didn t work. Local environment macOS 10.12.6 node v8.11.4 npm v5.6.0 I installed with cnpm error prompt vents.js:183 ...
question now suppose that a configuration file, config.json, is added to the remote repository. After I git clone the remote repository, I make changes to config.json. But I don t want to commit my changes to the remote repository, and I don t want ...
the drop-down refresh used to trigger the ajax request to obtain data, but now it uses GraphQL to obtain the data, so how to trigger the GraphQL client to send the request when the drop-down refresh occurs? vue-apollo . for GraphQL client...
my css broadcast speed is very fast, even though I have set up 60 seconds. I just learned HTML+css and soon encountered a lot of problems in doing a web page. Please take a look at this site boss. Thank you html: . <div class="c1"> ...