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Detection QQ file Assistant has a second pass function

Source: Internet
Author: User
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Phenomenon
QQ File Assistant has a second-pass function.
Principle
will be based on your upload files, first in the cloud to match, there is a direct selection of the cloud files, this is called the second pass.
Test
Now I'm going to test how it matches.
Test file is 274m.ape
With UE Open, modify the front, middle, and end of the binary number 4bit respectively,
Named 274m_start.ape, 274m_mid.ape, 274m_end.ape
Once again through the QQ file assistant upload, found 274m_mid.ape will be second pass.
Conclusion
QQ file assistant seconds to match is the beginning and end of the file section.

Detection QQ file Assistant has a second pass function

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