Hello, everyone. I ve been looking at connection pooling recently, and then I used python s dbutils. Here s a problem. Connection pooling is to keep the connection all the time, in order to speed up, but some online tutorials still cursor.close () con...
as shown in the figure, it is written to death directly. What should I do if I get it in the form of an interface? 1. Send a request to get the first-level menu of the navigation bar, and then send ajax again to get the second-level menu according to ...
how to prevent you from going back to the login page by clicking the browser back button after logging in? ...
now there is a need to select a video file through input type= "file " and preview the video effect in the corresponding place I use url: jqvideo.js: what is the reason for this? Kneel and ask the god for advice, how can video.js play local video ...
js: $( -sharpdemo ).click(function(){ var _self = $(this); if(_self.hasClass( clicked )){ return false; } _self.addClass( clicked ); }); : click 300ms click : [picture] : htmli...
use sharding-jdbc to divide the table, and there is no problem when operating the jpa, used by the database to insert a single piece of data: for (int i = 1; i < 10; iPP) { Sharding sharding = new Sharding(); sharding.setAppId("1001&quo...