php reads the query result set with sqlsrv_fetch (). There are only three records in the table, but four times of fetch execution does not return false, but the fifth time returns false,. Why not false the fourth time (the test found that the fourth tim...
use leftJoin multi-table join lookup. Finally, a field in select is a field from count in one of the right tables, but if there is no count data in that table, the entire query will lose the result. Now you want to keep the data in the left table if the...
topic description after the connection pool connection is successful, the connection timed out when performing the database operation. How to configure to return an error directly instead of trying to reconnect all the time related codes const to =...
the project I pulled from github cannot connect to the database. I see that the database connection configured by the project is localhost, so do I want to create the database locally? if so, where is the table information in the database? using github ...
2018 05 17 22:35:44 [error] 54034-sharp0: *11 lua entry thread aborted: runtime error: usr local nginx modules ngx_metric_output.lua:3: module ngx_metric.counter not found: no field package.preload[ ngx_metric.counter ] no file m...
in my project needs to achieve similar to the network disk to select multiple files (or click select all) to download multiple files, for a single file I currently practice is to directly use the FileResponse return way, but multiple files to do a loop d...
first look at the code, which is a function in vue: delChatConfirm(index) { this.$Modal.confirm({ title: "", onOk: () => { delete this.$store.state.messages.index indexindex } ...
The CI framework calls MySQL s stored procedure, which returns the result, but cannot render to the template. The error is as follows: Error Number: 2014 Commands out of sync; you can t run this command now what is the reason for this? The code ...