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程序员之网络安全系列（二）：如何安全保存用户密码及哈希算法 - 更多技术 ...
...邮件，确保没被人改过，你可以生成这样一份摘要 “第50个字是我，第100个字是爱， 第998个字是你”，那么你女朋友收到这个摘要，检查一下你的邮件就可以了。
Hash算法有两个非常主要的特征：
不能通过摘要来反推出原文
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Extracting bits with a single multiplication
...ch won't.
– Ternary
Jan 28 '13 at 1:50
You're good! The carry problem means we need slightly more space to the right o...
How to deal with INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES without uninstall?
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answered Aug 13 '14 at 13:50
PaulPaul
3,3541010 gold badges4343 silver badges7070 bronze badges
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Scala how can I count the number of occurrences in a list
...dentity"?
– Igorock
Nov 6 '16 at 18:50
4
It is the identity function, as discussed here. The func...
How can I mark “To Do” comments in Xcode?
... Jump Bar.
– Maarten
Jun 4 '13 at 8:50
Strangely using this does not show the comment in XCode 5.1.1
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How to get the latest tag name in current branch in Git?
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+50
Will output the tag of the latest tagged commit across all branches
git describe --tags $(git rev-list --tags --max-count=1)
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Request Monitoring in Chrome
... |
edited Oct 5 '14 at 18:50
answered May 21 '14 at 10:15
m...
Format bytes to kilobytes, megabytes, gigabytes
...ed to it...)
– Leo
Mar 24 '10 at 18:50
3
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How to check if a Ruby object is a Boolean
...alseClass.
– Chuck
Jun 12 '10 at 18:50
@chuck that returns the same results except for Time.now.boolean? which returns...
How to perform case-insensitive sorting in JavaScript?
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50
It is time to revisit this old question.
You should not use solutions relying on toLowerCase. ...