padding | 易学教程

Firefox/IE Padding/Margin Fix [closed]

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问题 Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 5 years ago . beautiful people, For the life of me I can't get my buttons to format properly in IE and Firefox, using Bootstrap. I've looked around for people with similar problems on here but I can't seem to lick this one. Any help would be greatly appreciated. I've made this site in MeteorJS in case that provides any

How do I add character padding to a string?

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问题 Okay this is very hard to explain, but i want to add padding to a sentence so that the characters in that sentence are a multiple of n. however this number '4' has to change to 3 and 5 so it has to work then as well.. anyone know what im talking about?? and how to do it? 回答1: I hope the self commented code below would help you grasp the concept. You just have to do some maths to get the pad characters at either end Some concept Extra Characters required Padding = len(string) % block_length

css常见布局

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什么是布局布局简单来说就是如何排列页面中各部分的内容那么，如何排列呢？页面中常见的布局单列布局等宽的单栏布局中间内容略窄的单栏布局两栏布局（一遍定宽、另一边自适应）通过 float + overflow 来实现通过 position 实现通过 float + calc 来实现通过 flex 来实现三栏布局（左右两边定宽、中间内容自适应）通过 float 来实现通过 position 来实现通过 table 来实现通过 flex 来实现圣杯布局双飞翼布局单列布局 1.等宽的单列布局按照普通文档流的排列方式，从上而下依次排列只需将每个部分的宽度设置成一样即可完整代码 <!DOCTYPE html> < html lang = " en " > < head > < meta charset = " UTF-8 " > < title > Document </ title > < style > * { margin : 0 ; padding : 0 ; } .main { width : 800px ; margin : 0 auto ; } .header, .content, .footer { width : 800px ; text-align : center ; } .main .header { height : 64px ;

How can I get this sticky footer working?

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问题 I've applied the CSS sticky footer tutorial that I got from here on my website, but for some reason I can't get it to work? JSBin Thanks in advance. 回答1: Remove the top margin from #body and replace it with padding: #body { width: 1200px; margin: 0 auto; overflow:auto; padding-top: 80px; padding-bottom: 170px; } add 100% height to html (not only body): html, body { background-color: #FFF; margin: 0; padding: 0; height: 100%; } Full JSBin solution and preview 回答2: Did you apply the correct

C++对象之内存（有继承）

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上一篇介绍了C++对象在无继承的各种情况下的内存空间占用情况和内存布局，这一篇来讨论有继承时的情况。有继承的情况会复杂一些，本文会分为四个层次讨论：单一继承无多态、单一继承有多态、多重继承和虚拟继承。本文中的一些图片和一些观点来自《深入探索C++对象模型》，它C++对象的底层原理讲解得非常详细，强烈安利！如无特别说明，以下代码均在64位机器上的VS2019运行在C++继承模型中，子类是自己的成员与父类的成员的总和。但标准并没有规定子类和父类的排列顺序，大部分编译器将父类放在子类前面，但virtual base class除外，后面会讨论到。单一继承无多态一、空类 class Concrete1 { }; class Concrete2 : public Concrete1 { }; 输出sizeof(Concrete2)结果是1。原因和无继承时的空类大小为1的原因一样，空类的实例也需要有独一无二的内存地址，因此空类被赋予了1字节。二、非空类内存布局在没有虚函数时，类的内存布局和C语言的struct完全一样。代码测试代码测试一下： class Point2d { protected: float _x, _y; }; class Point3d : public Point2d { protected: float _z; }; //main函数中： cout <

NSAttributedString with padding before and after the text and a background

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问题 I want to style a text using NSAttributedString . The text should have a background and a custom padding, so that the text has a little bit of space to the background's edge. This is what I want to achieve: This is what I don't want to achieve (background in the second line is not word / character-specific): And this is the code that I tried in a playground: let quote = "some text with a lot of other text and \nsome other text." let paragraphStyle = NSMutableParagraphStyle() paragraphStyle

Remove the C# TextBlock inlines elements padding

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问题 About TextBlock UIElement in C#, we could add several Run object into it, which will be appended to inlines property. That's one way we show several pieces of text with different format(font, size and etc) in one TextBlock . My question is: when I add, such as, two Run object into one TextBlock , there exist a padding between each Run object. For example, I add "12" and "34" Run objects, and finally they will be shown as "12 34" in the view. But what I need is they should be connected

炫酷的CSS3响应式表单

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原创YouTube@ Online Tutorials css代码： * { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Poppins', sans-serif; } body { display: flex; justify-content: center; align-items: center; min-height: 100vh; background: #03080a; } .container { width: 80%; padding: 20px; } .container h2 { width: 100%; color: #45f3ff; font-size: 36px; text-align: center; margin-bottom: 10px; } .container .row100 { position: relative; width: 100%; display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); } .container .row100 .col { position: relative; width: 100%; padding: 0 10px; margin:

Show more than 3 item in a wearable listview without scrolling

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问题 I want to create a wearable listview that can show more than 3 item simultaneously, but the wearable listview only shows 3 item, and i have to scroll down to see the other items. Is this a WearableListView specific thing? So my WearableListView looks like this: But i want to show more than 3 item without scrolling, because it has enough space. The listview container xml: <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout

Padding the message in SHA256

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问题 I am trying to understand SHA256. On the Wikipedia page it says: append the bit '1' to the message append k bits '0', where k is the minimum number >= 0 such that the resulting message length (modulo 512 in bits) is 448. append length of message (without the '1' bit or padding), in bits, as 64-bit big-endian integer (this will make the entire post-processed length a multiple of 512 bits) So if my message is 01100001 01100010 01100011 I would first add a 1 to get 01100001 01100010 01100011 1