I know that bind returns a function, does not change the original function this, and does not execute immediately. what I want to know is the usage scenario? Why use bind instead of call and apply directly? ...
install bind-9.11, on cenos7 and enable mysql-5.7, for DLZ, database when compiling, but always report an error when starting. It is good to start with zone file directly. The following is the configuration and error message of named.conf. Please see wh...
I want to write a set of dns bind management interface with python, so that there is no need to type commands on the console for domain name resolution. Knowing that bind has a DLZ that can connect to the database, put the parsing record into the DB, so ...
for example, the following configuration block. I have N PHP sites, and they all have the same configuration items except server_name and root. Is there any way to reuse the same configuration? by the way, is there a security risk to my next configura...
barcodes can t store addresses, can they? So how is the scan jump realized ...
in the chooseImage callback, writeFile, put the picture path setData, in the writeFile callback. As a result, the wxml is indeed set to the path, but the picture does not display ...
<el-form ref="formRoot">< el-form> this.$refs[formRoot].validate((valid) => {}); what is the role of the parameter valid in this element check? In what state is it true, and what does it mean when it is true? ...
WeChat Mini Programs s web-view page is a website that can click on the categories in the site at will. After many clicks, how to click the return button in the upper left corner to return to the Mini Program page once without having to return once ...