1.laravel created a new resource controller class UserController extends Controller { public function index() { echo "i am index"; } public function create() { echo "i am create"; } pu...
problem description hive is stuck or has no speed while executing mapreduce read the log hadoop resourcemanager reported an error 2018-07-17 19br 17br the environmental background of the problems and what methods you have tried set up a hadoop c...
suppose that thread 1 executes wait (), thread 2 to acquire lock resources, while thread 3 starts to execute synchronized to compete for lock resources, and thread 2 uses notifyAll () to wake up thread 1 before ending, so which thread 1 or thread 3 can ...
when I want to visit the specified uri of the local website, I actually visit another website, so I use nginx as the proxy nginx related configuration is as follows server { listen 80; server_name www.example.com; ..... location foo { proxy_st...
the project written uses the angular1.6 version, in which the header and tail are introduced with the following figure : IE,IE: what method can be used to solve this? ...
dynamic planning when the length of the newly created dp array needs to be added and when is it not needed? ...
I reported a 419 error when using axios.post. there is an API at the backend to get the CSRF token (X-CSRF-TOKEN) you can only submit data if you add this to the request header. however, I checked the axios and Baidu, and customized the configuration...
problem description the title is not described very clearly. Rearrange it here. although you know that push , splice these operations will affect the original array. But will it still affect each other after state state storage? suppose there is ...