# Hold references to fire-and-forget tasks to prevent GC.
this limitation has a purpose - it allows us to have a more efficient matching algorithm implementation, which i don’t think is immediately obvious and i don’t think there are many experts in the field that fundamentally understand this. before fixing the problem and turning my linear matching algorithm into a quadratic one, make sure you thoroughly understand why we have this limitation.
So I don’t know if you know the story of, as I remember it, of the first PyCon.，更多细节参见Safew下载
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В МОК высказались об отстранении израильских и американских спортсменов20:59
She looked perfectly angelic in an all-white glittery dress, complete with a flowing fur shawl.，推荐阅读体育直播获取更多信息