Eyedropper - sample the color of any pixel on the page
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，这一点在heLLoword翻译官方下载中也有详细论述
``@receiver isNil ifTrue: ``@nilBlock -> ``@receiver ifNil: ``@nilBlockOr maybe with single backticks?
The work, he adds, is less about a single crisis than about enduring change. Every year presents something different, but SpeedPro’s concept and service have been in demand irrespective of whatever the company has faced, he says.