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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...
将Linux代码移植到Windows的简单方法 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...Windows平台最接近Linux控制台就是DOS，特别是一些环境变量设置和全局常量的定义。Tar的有些代码针对MSDOS环境已经做了一部分修正,这点在移植过程中可以利用起来。还有一个可选项是__CYGWIN__。有些Linux程序会针对Cygwin平台做出代...
QLabel: set color of text and background
... I think it could be useful to anybody.
I step into the problem of setting RGBA colors (that is, RGB color with an Alpha value for transparency) for color display labels in my painting application.
As I came across the first answer, I was unable to set an RGBA color. I have also tried things like:
...
How to create a tag with Javascript?
...p; !window.opera)) {
styleNode.styleSheet.cssText = 'span { color: rgb(255, 0, 0); }';
} else {
var styleText = document.createTextNode('span { color: rgb(255, 0, 0); } ');
styleNode.appendChild(styleText);
}
document.getElementsByTagName('head')[0].appendChild(style...
How to debug a GLSL shader?
...o get lowest byte instead of three highest
gl_FrontColor=vec4(xAsColor.rgb,1);
else
gl_FrontColor=vec4(xAsColor.a,0,0,1);
After you get this on screen, you can just take any color picker, format the color as HTML (appending 00 to the rgb value if you don't need higher precision, and doing ...
Real world use cases of bitwise operators [closed]
...
I use them to get RGB(A) values from packed colorvalues, for instance.
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Programmatically saving image to Django ImageField
...put_file = StringIO()
img = Image.open(input_file)
if img.mode != "RGB":
img = img.convert("RGB")
img.save(output_file, "JPEG")
image.save(name+".jpg", ContentFile(output_file.getvalue()), save=False)
where image is the django ImageField or your_model_instance.image
here i...
How to make button look like a link?
... all common browsers:
button {
align-items: normal;
background-color: rgba(0,0,0,0);
border-color: rgb(0, 0, 238);
border-style: none;
box-sizing: content-box;
color: rgb(0, 0, 238);
cursor: pointer;
display: inline;
font: inherit;
height: auto;
padding: 0;
perspective-orig...
How to convert a PIL Image into a numpy array?
...lting array is in a different format than yours (3-d array or rows/columns/rgb in this case).
Then, after you make your changes to the array, you should be able to do either pic.putdata(pix) or create a new image with Image.fromarray(pix).
...
MFC 设置控件字体，颜色，大小，粗体，下划线等 - C/C++ - 清泛网 - 专注C/...
MFC 设置控件字体，颜色，大小，粗体，下划线等参考代码：CFont *f = new CFont; f->CreateFont(16, nHeight 0, nWidth ...参考代码：
CFont *f = new CFont;
f->CreateFont(16, // nHeight
0, // nWidth
0, // nEsca...