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【避免Block中的强引用环】 In manual reference counting mode, __block id x; has the effect of not retaining x. In ARC mode, __block id x; defaults to retaining ... 阅读全文
posted @ 2014-05-22 18:07
Tekkaman
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摘要：
【Grand Central Dispatch】 GCD is one of the technologies for starting tasks asynchronously.This technology takes the thread management code you would ... 阅读全文
posted @ 2014-05-22 16:16
Tekkaman
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