bootstrap-4

问题 I have a custom User in my django app. And when I submit an email to reset password in the the built in password reset form, I get the following error FieldError at /password_reset/ Cannot resolve keyword 'is_active' into field. Choices are: active, address, admin, bio, company_category, company_desc, company_name, company_site, country, designation, email, first_name, grad_year, id, last_login, last_name, linkedin, logentry, markets, no_employees, password, phone, photo, resume, staff,

问题 I have a custom User in my django app. And when I submit an email to reset password in the the built in password reset form, I get the following error FieldError at /password_reset/ Cannot resolve keyword 'is_active' into field. Choices are: active, address, admin, bio, company_category, company_desc, company_name, company_site, country, designation, email, first_name, grad_year, id, last_login, last_name, linkedin, logentry, markets, no_employees, password, phone, photo, resume, staff,

问题 I have a custom User in my django app. And when I submit an email to reset password in the the built in password reset form, I get the following error FieldError at /password_reset/ Cannot resolve keyword 'is_active' into field. Choices are: active, address, admin, bio, company_category, company_desc, company_name, company_site, country, designation, email, first_name, grad_year, id, last_login, last_name, linkedin, logentry, markets, no_employees, password, phone, photo, resume, staff,

问题 I have a custom User in my django app. And when I submit an email to reset password in the the built in password reset form, I get the following error FieldError at /password_reset/ Cannot resolve keyword 'is_active' into field. Choices are: active, address, admin, bio, company_category, company_desc, company_name, company_site, country, designation, email, first_name, grad_year, id, last_login, last_name, linkedin, logentry, markets, no_employees, password, phone, photo, resume, staff,

问题 Hello people i want to change color only of font awesome icon on placeholder but when i change color of placeholder also it change color of text how to customize color only icon ? do anyone know how to ? <input class="form-control far fa-user" type="text" placeholder="&#xf007 Your Username"> 回答1: You can consider a trick using background coloration combined with :placeholder-shown input { font-size:40px; margin:5px; } input:placeholder-shown { color:transparent; background:linear-gradient(to

问题 I am trying to build a video player in Bootstrap 4 using two columns, one containing the video, and the other containing rows with a thumbnail and title. The problem I am having is that the rows are not filling the vertical space of their parent column. What is the correct way to use flexbox helper classes to create a right column that will fill the vertical space regardless of how few items there are? or is there a more efficient way to do this in Bootstrap 4 ? This is the desired layout I

问题 This question already has answers here : Bootstrap 4 alpha 6 nav-tabs align item right (2 answers) Closed last year . I am using Bootstrap's tab component and I'm having trouble getting the blue Log In button flush to the right side of the nav-tabs . I tried all kinds of things, but obviously I'm not understanding why it won't get positioned where I want. Here's an image of what I am trying to do: HTML: <section class="container"> <ul class="nav nav-tabs pt-5"> <li class="nav-item"><a class=

问题 I am working on an angular 5 application which needs to be a responsive app. I am facing problem to make it reponsive in 1366X768 and 1920X1080 resolutions where in font sizes are different. Problem 1: I have overidden breakpoints in my style.scss as follow : $grid-breakpoints: ( xs: 0, sm: 576px, md: 768px, lg: 992px, xl: 1200px, xxl:1900px //this is custom breakpoint; after compiling bootstrap does generates col-xxl-* classes ); I have added xxl as new breakpoint. Now when I add col-xxl-*

问题 I want to add XXL and XXXL break points in bootstrap 4.x $grid-breakpoints: ( xs: 0, sm: 576px, md: 768px, lg: 992px, xl: 1200px, xxl: 1440px, xxxl: 1600px ); I know I need to also set the $container-max-widths, but I am not sure what the math is. I think it has something to do with the 30px margin. What is the math to calculate that and/or what is the numbers I should use for XXL and XXXL $container-max-widths: ( sm: 540px, md: 720px, lg: 960px, xl: 1140px, xxl: ????, xxxl: ???? ) Why is it

问题 The following code: View:(is-valid) <div class="form-group"> @Html.LabelFor(m => m.Telefone, new { @class = "font-weight-bold" }) @Html.TextBoxFor(m => m.Telefone, new { @class = "form-control is-valid", @placeholder = "Digite seu telefone" }) @Html.ValidationMessageFor(m => m.Telefone, "", new { @class = "text-danger" }) </div> View:(is-invalid) <div class="form-group"> @Html.LabelFor(m => m.Telefone, new { @class = "font-weight-bold" }) @Html.TextBoxFor(m => m.Telefone, new { @class = "form