Car car = new Car(22000,"silver"); WeakReference<Car> weakCar = new WeakReference<Car>(car); car = null; System.gc(); when the above code is gc, weakCar.get () returns null, indicating that the Car object has been recycled, but th...
this is a very troublesome question the URL is https: alphaliner.axsmarine. the post information to be submitted is [{ "action ": "top100 ", "method ": "getTop100Table ", "data ": null, "type ": "rpc ", "tid ": 1}, { "action ": "top100 ", ...
when creating jquery functions for wordpress, each time you add methods function (){ jQuery(....) } is there any way to change it directly into $? ...
$sql = insert into user (account,password,mail,phone,) VALUES ( . $account. , .$password. , .$mail. , .$phone. ) ; $query = $this- > link- > query ($sql); when inserting data into the database, the VALUES parentheses should be written in t...
I first send json to the counterpart. If the counterpart checks OK, it will return json,. I can use json_decode ($result); ) to catch , but now that my counterpart json, sends back to HTML, how can I print this value?! ...
an empty page form is very long, and a scroll bar appears. When you click submit, the input of a form does not conform to the regular rules. How does the page scroll to this wrong form item? ...