if you use the paginate () method in the framework for paging, the outer layer of the data will be wrapped in an extra layer of paging data, for example: { "total": 50, "per_page": 15, "current_page": 1, &q...
when using eloquent, you can see from the official document that you can customize the insert field and update the field name, with the link https: laravel-china.org doc.. Next, give the design of the data table: CREATE TABLE `plans`( `id` int(11) ...
the puzzling point is what supports the security of eloquent. For example, we can use preprocessing commands to insert some information into the database, but I don t find preprocessing statement commands in eloquent ....
< H1 > references < H1 > https: laravel-china.org top. < H1 > question background < H1 > Larvale and MySQL versions: Laravel 5.5 MySQL 5.7.22 migration: ext is in json format: >>> $sample->update([ ext->hello => nihao ...
public function roles() { return $this->hasOne( App Models Role )->where( type ,$this->type); } $this- > type can t get any value? Why is that? The value of $this- > attributes is also an empty array. Why? ...
code: public function getUserFourElemByUid($uid) { print_r(self::getInstance()); $user = self::all(); if (empty($user)) { return null; } return $user->toArray(); } where the print_r funct...
records there is a column called value , which contains a string, similar to: {number: 20} . now you need to where filter this table to filter out the number < 100s in value. How to write Laravel Query? Note: Laravel 5.2 Mysql 5.6 does not su...
for example, there is no problem for the project to run locally. Once deployed to the server, a class cannot find an error root cause java.lang.NoClassDefFoundError: org apache commons codec binary Hex com.mal.util.code.MD5Utils.md5Hex(MD5U...
original data format let obj =[ {1: 20190805 ,2: 1 ,3: success }, {1: 20191120 ,2: 1.1 ,3: success }, {1: 20190212 ,2: 1.1.1 ,3: success }, {1: 20190212 ,2: 1.1.2 ,3: success }, {1: 20190...
big_num = 6400 mask = (1 << 64) - 1 for i in range(100): arr[i] = big_num & mask big_num >>= 64 this is an example of saving a number. it s too slow to use a loop. 100000 numbers have to be saved . can the shared memory of ...
the water in this ball (call it so for the time being) varies dynamically with the size of the data, and it can have a dynamic effect (that is, the water inside can float). What can be realized in this picture? it s urgent. Please ...
I m not familiar with the git command. I used vscode s git management tool to "undo the last commit " twice, but now I don t want to undo those commits. How can I restore them? ...