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How to check if two System.Drawing.Color structures represent the same color in 16 bit color depth?
Category : Programming Languages

How can I check if two System.Drawing.Color structures represent the same color in 16 bit color depth (or generally based on the value of Screen.PrimaryScreen.BitsPerPixel)?

Let's say I set Form.TransparencyKey to Value1 (of Color type), I want to check that when the user selects a new background color for the form (Value2), I don't set the entire form transparent.

On 32

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How to change the viewcontroller's background color from gray color to setting's color?
Category : Programming Languages

I'm trying to change the viewcontroller's color.

Someone let me know like following.

- (void)viewDidLoad
[super viewDidLoad];
self.view.backgroundColor = [UIColor groupTableViewBackgroundColor];

Here is AppDelegate.m

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDic

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possible to have a background color transition from color A to color B without repeating a pixel stick?
Category : Web Design

For things like menubars and headers, a background color is nice.

But a background color that gracefully transitions from say Blue to White is even nicer.

I know this can be done by making a 1-pixel wide, X-pixel tall image file containing the desired fade and repeating it across the div, but does CSS have native support to just define colors and be done with it?

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How to change the background color of <tr> to a color and then back to it's default color using JavaScript?
Category : Javascript

I have a <table> that is populated from a mysql database using php. The <tr style="background-color:;"> is stored in the database for each record. I have made a small Javascript so that when the user selects (onfocus) or deselects (onblur) the <input>, the <tr>

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Does a Color Television Work by Color Addition or by Color Subtraction?
Category : Hobbies, Games & Toys
A color television works on the principle of color addition. When two or more different colors of light are added together, our brains perceive them as a new color. A color television exploits this effect using tiny closely-spaced dots which emit light in three primary colors. The dots are so close together that the eye sees a uniform color. By varying the proportion and amount of light of each co

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PhpStorm IDE Color Issue, Differentiate Single Quoted Color from Double Quoted Color
Category : Programming Languages

I need to know how to make PhpStorm differentiate the color of single quoted strings from double quoted strings.

Like let's say I want double quote string to be in green and single quote strings to be in red like this:

$stringgreen = "This String is Green Color";
$stringred = 'This String is Red Color';

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given a background color, how to get a foreground color that make it readable on that background color?
Category : Development Tools & Services

given a background color, how to get a foreground color that make it readable on that background color?

ps: I mean computing that foreground color automatically in a program.

or simplify the problem, if the foreground color is chosen from white/blank, how to do the choise in a program?

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Obtain a new hex color value from “alpha blending” the originial color in matplotlib
Category : Programming Languages

simply, given an initial color "#1010CA" and an alpha factor 0.5, how can I get the final color that is shown on the plot in terms of color="#1010CA", alpha=0.5?

or more straightforwardly, what should I fill in

plot(x, y, color=__)

so that it is equivalent (at least visually) to

plot(x, y, color="#1010CA", alpha=0.5)
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How to make wpf DataGridRow selected color override bound background color of DataGridCell?
Category : Programming Languages

I have a DataGridTemplateColumn that defines a TextBlock which has bound Background and Foreground properties. This allows the colors to change based on the value of the bound property. So far so good, except I want the default selected row color to override my bound background color. How can I do this in xaml?

<DataGridTemplateColumn Header="Text">

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List view item color highlight like the change in color on Touch mode
Category : Web Design

What function is required to change the list view item color like the change in color highlight in touched mode of that list. After a long search in ListView class I am not able to find it so please help

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