You may have encountered keyboards with an optional lift at the back of the board, raising the top keys higher than the space bar. Every set of hands is different, but for most people, pulling the backs of the hands towards the forearms increases strain. Negative tilt has the opposite effect by sloping in the other direction, lowering the top number keys while raising the edge with the spacebar. Many Alice and some split keyboards offer an optional negative tilt. I found it was more comfortable to enable that feature when I’m standing, and I preferred to have the keys flat when sat at my desk.
return new TextEncoder().encode(str.toUpperCase());，这一点在Line官方版本下载中也有详细论述
Ctrl+Z can't help. You closed the editor.，更多细节参见快连下载安装
这个文集的名称也颇有巧思——致敬德国诗人里尔克《给一个年轻诗人的信》，这也是乔布斯生前最喜欢的读物之一。
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