how does php convert a string to hexadecimal and vice versa? below is part of the content I want to transcode x63x6fx6ex73x6fx6cx65 _ 0x2b98d0 ...
has two columns of data: all is the cumulative total amount of prizes issued, and use is the amount used id all use 11500 220000 320000 420000 520000 6500 written with sqlserver sql sentence. One record is extracted from these six pieces of data...
I finally realized it with the attribute of precision (precision) + max (: max= "9999 "). The change event mentioned above should also be implemented, but I think my method is better, html native tag input has a maxlength attribute; I use the el-i...
Environment centos7 programming language c Today, there is an error reading folders with the stat function. At first, the folder name is returned as-1. Later, it is found that the absolute path is needed. After the combination of the file name and pa...
I encountered the problem of this pointing in the development. In addition to using the arrow function, I wondered if I could use bind to solve it. I made a mistake in binding when I used fn s suggested way of writing, using the traditional way of writ...
<el-select v-model="postForm.roleId" placeholder="" @change="selectBD"> <el-option v-for="item in roleList" :key="item.id" :value="item.id" :label="item....