大约有 9,000 项符合查询结果（耗时：0.0170秒） [XML]
CSS background opacity with rgba not working in IE 8
...
Yup. rgba() colour values aren’t supported in IE 8.
– Paul D. Waite
Oct 20 '10 at 8:44
11
...
关于php的socket初探 - PHP - 清泛IT论坛，有思想、有深度
...p; while ($conn = stream_socket_accept($socket, -1)) { // 这样设置不超时才油用
static $id = 0;
static $ct = 0;
&n...
NASM x86汇编入门指南 - C/C++ - 清泛网 - 专注C/C++及内核技术
...DOS系统调用并不完全一样：
1. 放系统调用号到eax中
2. 设置系统调用参数到ebx,ecx等
3. 调用相关中断(DOS:21h;linux:80h)
4. 返回结果通常保存在eax中
对于系统调用，x86有6个寄存器可以使用，分别是是ebx,ecx,edx,esi,edi,ebp,如果参数多...
How can I quantify difference between two images?
...osure. For simplicity, I convert them to grayscale even if they are color (RGB) images.
You will need these imports:
import sys
from scipy.misc import imread
from scipy.linalg import norm
from scipy import sum, average
Main function, read two images, convert to grayscale, compare and print resu...
CMake使用教程 - C/C++ - 清泛网 - 专注C/C++及内核技术
...ject=PublicDashboard
dashboard上显示的项目名称通过如下方式设置：
需要先把cmake/bin目录加入path中，然后执行ctest -D Experimental。这里遇到了一个错误。
D:/Projects/Lab/testngpp/cmake-2.8.1/Tests/Tutorial/Step7/build>ctest -D Experim
ental
Site: JELLY-...
How do I get the color from a hexadecimal color code using .NET?
...
I'm assuming that's an ARGB code... Are you referring to System.Drawing.Color or System.Windows.Media.Color? The latter is used in WPF for example. I haven't seen anyone mention it yet, so just in case you were looking for it:
using System.Windows....
Determine font color based on background color
... else
d = 255; // dark colors - white font
return Color.FromArgb(d, d, d);
}
This was tested for many various colorscales (rainbow, grayscale, heat, ice, and many others) and is the only "universal" method I found out.
Edit
Changed the formula of counting a to "perceptive luminance...
CSS让文字半透明显示在图片上层 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...让文字半透明显示在图片上层标题层叠在图片上，文字和背景半透明。鼠标经过边框换色。效果图：
HTML代码如下：
<html>
<head>
<meta http-equiv="Content-Type" mrc="text/html; charset=gb2312" />
<title>文字显示在图片上</title>
<style type="t...
Adding a guideline to the editor in Visual Studio
...ltiple columns by listing more than one number after the color specifier:
RGB(230,230,230), 4, 80
Puts a white line at column 4 and column 80. This should be the value of a string value Guides in "Text Editor" key (see bellow).
Be sure to pick a line color that will be visisble on your backgroun...
Named colors in matplotlib
... colors by hue, saturation, value and name.
by_hsv = sorted((tuple(mcolors.rgb_to_hsv(mcolors.to_rgba(color)[:3])), name)
for name, color in colors.items())
sorted_names = [name for hsv, name in by_hsv]
n = len(sorted_names)
ncols = 4
nrows = n // ncols
fig, ax = plt.subplots(figsi...