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 ...
submit data with this.$http.post, and the value received in the backend controller is always empty. Here is the code using JSON.stringify () serialization has no effect either ...
in the following figure, there are two naming rules for the X axis, one is spring, summer, autumn and winter, and the other is the West half Lake, the East half Lake and the whole lake. How can this X axis be realized with Echarts? ...
laravel takes more than two seconds to return the result with only one sentence output. the local environment is installed with Docker for Mac. The php7, laravel version is 5.7 . this is the result viewed with debugbar php-fpm ...
the code is as follows var url = "{-sharp$apiHost-sharp} aw export?brand_ids="+brand_ids; var settings = { "async": true, "crossDomain": true, "url": url, "method": "GET", "head...
PHP Warning: PHP Startup: Unable to load dynamic library mbstring (tried: usr lib php 20170718 mbstring ( usr lib php 20170718 mbstring: cannot open shared object file: No such file or directory), usr lib php 20170718 mbstring.so ( usr lib php...