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How to check if hex color is “too black”?
...= 0.2126 * r + 0.7152 * g + 0.0722 * b; // per ITU-R BT.709
if (luma < 40) {
// pick a different colour
}
EDIT
Since May 2014 tinycolor now has a getBrightness() function, albeit using the CCIR601 weighting factors instead of the ITU-R ones above.
EDIT
The resulting luma value range is ...
Mixed mode assembly is built against version ‘v2.0.50727′ of the runtime
...acyV2RuntimeActivationPolicy="true">
<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0"/>
<requiredRuntime version="v4.0.20506" />
</startup>
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What is the JavaScript >>> operator and how do you use it?
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edited Apr 15 '10 at 18:45
Justin Johnson
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answ...
What's a good hex editor/viewer for the Mac? [closed]
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edited Mar 3 at 18:34
cambunctious
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Error: This Android SDK requires Android Developer Toolkit version 22.6.1 or above
...e NewUpdate) -> add this url : https://dl-ssl.google.com/eclipse/plugin/4.2 -> OK
Now it will list the available updates, which should ideally be adt 20.x.x
Select the list items Let it be installed. Eclipse will restart and Its done.
I hope this will helpful for you :)
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How to specify more spaces for the delimiter using cut?
...ike " "+) ?
For example: In the following string, I like to reach value '3744', what field delimiter I should say?
12 Answe...
Get specific line from text file using just shell script
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answered Oct 11 '13 at 21:40
KentKent
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How to determine if binary tree is balanced?
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edited Dec 29 '17 at 8:14
RBT
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answered Feb...
Handling warning for possible multiple enumeration of IEnumerable
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478
The problem with taking IEnumerable as a parameter is that it tells callers "I wish to enumera...
Calling a parent window function from an iframe
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444
<a onclick="parent.abc();" href="#" >Call Me </a>
See window.parent
Returns a r...