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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...
How to compare UIColors?
...(BOOL)isEqualToColor:(UIColor *)otherColor {
CGColorSpaceRef colorSpaceRGB = CGColorSpaceCreateDeviceRGB();
UIColor *(^convertColorToRGBSpace)(UIColor*) = ^(UIColor *color) {
if (CGColorSpaceGetModel(CGColorGetColorSpace(color.CGColor)) == kCGColorSpaceModelMonochrome) {
...
CSS Background Opacity [duplicate]
....
You can use a translucent PNG file for your background image, or use an RGBa (a for alpha) color for your background color.
Example, 50% faded black background:
<div style="background-color:rgba(0, 0, 0, 0.5);">
<div>
Text added.
</div>
</div>
...
How to detect a Christmas Tree? [closed]
...-green background which is prevalent in most of the photos. I convert the rgb image to hsv space, and require that the hue is either less than 0.2 on a 0.0-1.0 scale (corresponding roughly to the border between yellow and green) or greater than 0.95 (corresponding to the border between purple and r...
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...
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-...
Set transparent background of an imageview on Android
...Florit I found this link where you need to multiply by 0.4(40/100) to your RGB value. Not sure if this is helpful but you can give it a try. forums.esri.com/Thread.asp?c=93&f=1730&t=223940
– Harshad
Jan 14 '13 at 12:30
...
How to change plot background color?
...Matplotlib recognizes the following formats to specify a color:
an RGB or RGBA tuple of float values in [0, 1] (e.g., (0.1, 0.2, 0.5) or (0.1, 0.2, 0.5, 0.3));
a hex RGB or RGBA string (e.g., '#0F0F0F' or '#0F0F0F0F');
a string representation of a float value in [0, 1] inclusive for gray...
Representing and solving a maze given an image
...th = solve_maze(img_file)
%% Init data
img = imread(img_file);
img = rgb2gray(img);
maze = img > 0;
start = [985 398];
finish = [26 399];
%% Init BFS
n = numel(maze);
Q = zeros(n, 2);
M = zeros([size(maze) 2]);
front = 0;
back = 1;
function push(p, d)
q = p + d;
...
How do I give text or an image a transparent background using CSS?
...
Either use a semi-transparent PNG image or use CSS 3:
background-color: rgba(255, 0, 0, 0.5);
Here's an article from css3.info, Opacity, RGBA and compromise (2007-06-03).
<p style="background-color: rgba(255, 0, 0, 0.5);">
<span>Hello, World!</span>
</p>
...