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How to check internet access on Android? InetAddress never times out
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Is SHA-1 secure for password storage?
Conclusion: SHA-1 is as safe as anything against preimage attacks, however it is easy to compute, which means it is easier to mount a bruteforce or dictionary attack. (The same is true for successors like SHA-256.) Depending on the circumstances, a hash function which was designed to be computation...
How do I provide a username and password when running “git clone git@remote.git”?
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Why do you need ./ (dot-slash) before executable or script name to run it in bash?
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Because on Unix, usually, the current directory is not in $PATH.
When you type a command the s...
How to fix “no valid 'aps-environment' entitlement string found for application” in Xcode 4.3?
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edited Jan 21 '14 at 23:07
answered Jun 18 '12 at 14:17
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Why should the copy constructor accept its parameter by reference in C++?
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edited Jun 21 '12 at 8:10
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What are the rules about using an underscore in a C++ identifier?
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The rules (which did not change in C++11):
Reserved in any scope, including for use as impleme...
Significant new inventions in computing since 1980
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