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How to use z-index in svg elements?
... x and y axis of the SVG viewport, SVG elements are also positioned on the z axis. The position on the z-axis defines the order that they are painted.
Along the z axis, elements are grouped into stacking contexts.
3.4.1. Establishing a stacking context in SVG
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Stacking context...
z-index not working with position absolute
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The second div is position: static (the default) so the z-index does not apply to it.
You need to position (set the position property to anything other than static, you probably want relative in this case) anything you want to give a z-index to.
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What is the difference between .*? and .* regular expressions?
... matching anything but a greater-than sign (strictly speaking, it matches zero or more characters other than > in-between < and >).
See Quantifier Cheat Sheet.
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How do I change the value of a global variable inside of a function
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C++ stl stack/queue 的使用方法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...当栈空时，返回true。
访问栈中的元素个数，如例：s.size()。
2、queue
queue 模板类的定义在<queue>头文件中。
与stack 模板类很相似，queue 模板类也需要两个模板参数，一个是元素类型，一个容器类型，元素类型是必要的，容器...
How to refresh app upon shaking the device?
... {
float x = se.values[0];
float y = se.values[1];
float z = se.values[2];
mAccelLast = mAccelCurrent;
mAccelCurrent = (float) Math.sqrt((double) (x*x + y*y + z*z));
float delta = mAccelCurrent - mAccelLast;
mAccel = mAccel * 0.9f + delta; // perform low-cut...
Call apply-like function on each row of dataframe with multiple arguments from each row
... a subset of the original data.
dat <- data.frame(x=c(1,2), y=c(3,4), z=c(5,6))
apply(dat[,c('x','z')], 1, function(x) sum(x) )
or if your function is just sum use the vectorized version:
rowSums(dat[,c('x','z')])
[1] 6 8
If you want to use testFunc
testFunc <- function(a, b) a + b
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Is it possible to set the stacking order of pseudo-elements below their parent element? [duplicate]
... stacking order.
Positioning the pseudo-element (absolute) and assigning a z-index value other than “auto” creates the new stacking context.
#element {
position: relative; /* optional */
width: 100px;
height: 100px;
background-color: blue;
}
#element::after {
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Multiple modals overlay
...orter solution that is inspired by @YermoLamers & @Ketwaroo.
Backdrop z-index fix
This solution uses a setTimeout because the .modal-backdrop isn't created when the event show.bs.modal is triggered.
$(document).on('show.bs.modal', '.modal', function () {
var zIndex = 1040 + (10 * $('.modal...
How to use glOrtho() in OpenGL?
...that you see in the bottom row. No matter how far away vertexes are in the z direction, they will not recede into the distance.
I use glOrtho every time I need to do 2D graphics in OpenGL (such as health bars, menus etc)
using the following code every time the window is resized:
glMatrixMode(GL_PR...