crud

Writing Diesel CRUD operations for generic types

别说谁变了你拦得住时间么 提交于 2021-02-18 17:34:37
问题 I am trying to write a Rust crate which removes some boilerplate code from the user when creating simple CRUD operations with Diesel For instance, if you have a Diesel Insertable like this one: #[derive(Insertable)] #[table_name = "users"] pub struct UserCreate<'a> { pub email: String, pub hash: &'a [u8], pub first_name: Option<String>, pub family_name: Option<String>, } I want the crate user to just write create<UserCreate>(model, pool) , to insert the struct fields into a database row. To

React POST requests with Express/Node and MongoDB

允我心安 提交于 2021-02-07 10:29:59
问题 I'm writing program that uses React as front-end, and an Express/Node API for the backend which then does CRUD operations in a MongoDB database. Right now, I'm using the native JS fetch() API to perform GET/POST operations on my front end. The GET requests work just fine, but my POST requests seem to not be working. On my front end, I have a form and a handler for form submission like so: handleSubmit(){ let databody = { "name": this.state.nameIn, "quote": this.state.quoteIn } return fetch(

this._verify is not a function on login

試著忘記壹切 提交于 2021-01-29 05:11:17
问题 I am trying to make a CRUD app for my portfolio. I want the user to be able to sign up and login and then to some stuff once inside (its a calories tracker). The user can Sign Up but when I try to login, I get: this.verify is not a function Here is the login code: // Authenticate Login app.post("/login", (req, res, next) => { passport.authenticate("local", { successRedirect: "/myprofile", failureRedirect: "/login", failureFlash: true })(req, res, next); }); The passport.js const LocalStrategy

Blazor Role Management Add Role trough UI (Crud)

女生的网名这么多〃 提交于 2021-01-29 00:46:46
问题 I'm pretty new to blazor and have gotten myself in some doubt on adding roles to the database. I have implemented to Identity role management and have a working system. But now i want to add new roles trough the GUI instead of editing the database. I have a razor page called RolesOverview.razor On this page i have a input field and a button. When i click this button i want to add the text to the roles manager and save it to the database. This is my razor component @page "/admin/roles" @using

Blazor Role Management Add Role trough UI (Crud)

爷,独闯天下 提交于 2021-01-29 00:45:23
问题 I'm pretty new to blazor and have gotten myself in some doubt on adding roles to the database. I have implemented to Identity role management and have a working system. But now i want to add new roles trough the GUI instead of editing the database. I have a razor page called RolesOverview.razor On this page i have a input field and a button. When i click this button i want to add the text to the roles manager and save it to the database. This is my razor component @page "/admin/roles" @using

Blazor Role Management Add Role trough UI (Crud)

左心房为你撑大大i 提交于 2021-01-29 00:40:41
问题 I'm pretty new to blazor and have gotten myself in some doubt on adding roles to the database. I have implemented to Identity role management and have a working system. But now i want to add new roles trough the GUI instead of editing the database. I have a razor page called RolesOverview.razor On this page i have a input field and a button. When i click this button i want to add the text to the roles manager and save it to the database. This is my razor component @page "/admin/roles" @using

Failed Upload Files Codeigniter

夙愿已清 提交于 2021-01-07 03:52:30
问题 I'm try to make crud with upload file but somehow it's keep return FALSE but i don't know what's wwrong with my code if i var_dump($data) before condition upload it's show the name of my image but if i var_dump($uploads) it's keep show false This is my controller public function saveReimburse() { validate_submitted_data(array( 'nama' => 'required', 'category_reimburse_id' => 'required', 'amount' => 'required|numeric', 'date_reimburse' => 'required', )); // data $data = [ 'nama' => $this-

Failed Upload Files Codeigniter

ε祈祈猫儿з 提交于 2021-01-07 03:52:09
问题 I'm try to make crud with upload file but somehow it's keep return FALSE but i don't know what's wwrong with my code if i var_dump($data) before condition upload it's show the name of my image but if i var_dump($uploads) it's keep show false This is my controller public function saveReimburse() { validate_submitted_data(array( 'nama' => 'required', 'category_reimburse_id' => 'required', 'amount' => 'required|numeric', 'date_reimburse' => 'required', )); // data $data = [ 'nama' => $this-

Failed Upload Files Codeigniter

▼魔方 西西 提交于 2021-01-07 03:51:32
问题 I'm try to make crud with upload file but somehow it's keep return FALSE but i don't know what's wwrong with my code if i var_dump($data) before condition upload it's show the name of my image but if i var_dump($uploads) it's keep show false This is my controller public function saveReimburse() { validate_submitted_data(array( 'nama' => 'required', 'category_reimburse_id' => 'required', 'amount' => 'required|numeric', 'date_reimburse' => 'required', )); // data $data = [ 'nama' => $this-

MySQL_CRUD基础语句

你。 提交于 2020-12-12 06:40:11
================增========================= insert into ______ value ______ , ______; 自我复制 insert into users (username,password,email,grade) select username,password,email,grade from users ================删========================= delete from _____ where _____; ================改========================= update ______ set ______; ================查========================= 升降排序:select ____ from ____ order by id (asc|desc); 模糊查询:select ___ from ____ where col-name like '(%|_)'; 分页查询:select ___ from ____ where ____ limit m,n; 分组查询:select ___ from ____ where ____ group by ____ having___; 多表查询: