Well, I want to achieve this thing: https://i.imgur.com/BDM7JvD.jpg using the Bootstrap 4 Navbar.
How can I centralize the nav-links/items in the middle of the viewport using the flexbox or .mr-auto etc utilities. I am trying to avoid a CSS based positioning approach because it may look off on different devices. But sure if a CSS approach promises to be at the same centralized position then why not!
NOTE: some ppl might say to use the justify utilities, the problem is …
每当我尝试这样做时,在DOSBox下使用MASM 6.15:
mov al, [cx]
要么
mov al, [cx + bx]
要么
mov al, [cx + 4]
我收到错误:'只允许基本或索引注册'
但话说回来,让我说我有一个数组var1.如果我做:
.model small
.stack 4096
.data
var1 BYTE 1, 2, 3, 4, 5, 6, 7, 8, 9
.code
main proc
mov ax, @data
mov ds, ax
mov cx, 5
mov al, [var1 + cx]
mov ah, 4Ch
int 21h
main endp
end main
它工作得很好.为什么不给出与上面相同的错误？CX不是基址或索引寄存器.
[]运算符的整个工作本质是什么？
如果我想根据Bootstrap 4中浏览器窗口的大小将导航项（链接）放在导航栏中，该怎么办？请看一下代码：
<nav class="navbar navbar-toggleable-md navbar-light bg-faded">
<button class="navbar-toggler navbar-toggler-right" type="button" data-toggle="collapse" data-target="#navbarNavAltMarkup" aria-controls="navbarNavAltMarkup" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<a class="navbar-brand" href="#">Navbar</a>
<div class="collapse navbar-collapse" id="navbarNavAltMarkup">
<div class="navbar-nav">
<a class="nav-item nav-link active" href="#">Home <span class="sr-only">(current)</span></a>
<a class="nav-item nav-link" href="#">Features</a>
<a class="nav-item nav-link" href="#">Pricing</a>
<a class="nav-item nav-link disabled" href="#">Disabled</a>
</div>
</div>
</nav>
现在，我想根据浏览器的宽度将div的中心设置为“ navbar-nav”。我尝试过的一件事是给它mr-auto和ml-auto使其确实居中，但不完全准确。实际上，它根据宽度“浏览器窗口宽度-徽标宽度”将其居中。我希望它恰好位于屏幕中间。
我也尝试过将位置更改为绝对位置，但是同样，在折叠模式下，这种布局也会变得混乱。