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What data type to use for hashed password field and what length?
... @Hippo: Please, don't use the username as the salt. Generate a random salt per user.
– Bill Karwin
Sep 15 '10 at 18:38
11
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What is digest authentication?
...
The main difference is that it doesn't require sending the username and password across the wire in plaintext. It is also immune to replay-attacks, as it uses a one-time number from the server.
The server gives the client a one-time use number (a nonce) that it combines with the username, re...
Timer function to provide time in nano seconds using C++
..."rdtsc" : "=a" (lo), "=d" (hi));
return time_point(duration(static_cast<rep>(hi) << 32 | lo));
}
};
} // x
All this clock does is count CPU cycles and store it in an unsigned 64-bit integer. You may need to tweak the assembly language syntax for your compiler. Or your c...
How do I verify that an Android apk is signed with a release certificate?
How can I check that an Android apk is signed with a release and not debug cert?
5 Answers
...
Python __call__ special method practical example
... I can use this special method, because one can simply create a new method and perform the same operation done in __call__ method and instead of calling the instance, you can call the method.
...
Reliable method to get machine's MAC address in C#
...d=true");
IEnumerable<ManagementObject> objects = searcher.Get().Cast<ManagementObject>();
string mac = (from o in objects orderby o["IPConnectionMetric"] select o["MACAddress"].ToString()).FirstOrDefault();
return mac;
}
Or in Silverlight (needs elevated trust):
public st...
Encrypt & Decrypt using PyCrypto AES 256
...build two functions using PyCrypto that accept two parameters: the message and the key, and then encrypt/decrypt the message.
...
How to use clock() in C++
...out << "Delta t2-t1: "
<< std::chrono::duration_cast<std::chrono::nanoseconds>(t2 - t1).count()
<< " nanoseconds" << std::endl;
}
Running this on ideone.com gave me:
Delta t2-t1: 282 nanoseconds
...
How to easily map c++ enums to strings
...(temp.str()); \
os << enumName << "::" << strings[static_cast<int>(value)]; \
return os;}
To use it in your code, simply do:
AWESOME_MAKE_ENUM(Animal,
DOG,
CAT,
HORSE
);
auto dog = Animal::DOG;
std::cout<<dog;
...
What does “dereferencing” a pointer mean?
...le, an int* properly initialised to point to an int variable might - after casting to a float* - access memory in "GPU" memory quite distinct from the memory where the int variable is, then once cast to and used as a function pointer it might point into further distinct memory holding machine opcode...