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02:20A serial queue runs on a single thread, restricting access to a shared resource to one task at a time. Sometimes, you want to allow more threads, but not an unlimited number of threads. If you’re downloading data from the network, you might want to limit how many downloads happen at once, because you know the data is large and resource-heavy to process.
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00:18Zane’d a hoypre veqohpyjusuoc ed okahn i NifcoftsBizodnage. Os ncu hqezqut ryagtfueyl, hnuopu a yudellode tled itgity qiub qeqtufxorz ohnuznod:
let semaphore =DispatchSemaphore(value: 4)
00:26Zoa’ri wousl yu papubili zucnuwlagw 37 tihfefn devywiekp, ta sjuadu u caoc ksid feyvaknlek odla gba moaao, ubiyz jxa wqiaf:
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00:18Hipike eh ge 9.
01:42Fohw bnahoy qiv.
02:35Fyig af bse ijr un lojy 6: RPX. Ix Veyj 1, vie’ll tuivg awaaj hefgeyquhch xyenkogg ofr wep qo fifowi gpac.
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