tee() splits a stream into two branches. It seems straightforward, but the implementation requires buffering: if one branch is read faster than the other, the data must be held somewhere until the slower branch catches up.
When I first got the Ploopy Adept trackball, I customized it using the VIA web app and used it quite happily for a while, until I realized it had so much more potential. So I got QMK running on my laptop, then got to work programming a super customized, super functional mouse with nine layers and a plethora of custom keycodes.
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他近兩個小時的演說中，只零星提及少數想法，包括為美國勞工階層設立新的退休儲蓄帳戶，以及與AI公司達成協議，提供足夠電力給其工廠，以及避免消費者電費上漲。他還重新推銷一些舊有想法，例如提供直接補助幫助美國人支付醫療保險費用的計劃、要求所有選民證明公民身份的法律，以及禁止向非法移民發放商業駕照。