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Is it better to use std::memcpy() or std::copy() in terms to performance?
...ll have a slight, almost imperceptible performance loss. I just did a test and found that to be untrue: I did notice a performance difference. However, the winner was std::copy.
I wrote a C++ SHA-2 implementation. In my test, I hash 5 strings using all four SHA-2 versions (224, 256, 384, 512), and ...
Using Case/Switch and GetType to determine the object [duplicate]
...Type.GetTypeCode(node.GetType()))
{
case TypeCode.Decimal:
// Handle Decimal
break;
case TypeCode.Int32:
// Handle Int32
break;
...
}
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.NET: Simplest way to send POST with data and read response
...rol over the HTTP headers, you could attempt the same using HttpWebRequest and reference RFC2616 (w3.org/Protocols/rfc2616/rfc2616.txt). Answers from jball and BFree follow that attempt.
– Chris Hutchinson
Nov 3 '10 at 15:30
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Adding Only Untracked Files
One of the commands I find incredibly useful in Git is git add -u to throw everything but untracked files into the index. Is there an inverse of that? In the last few months, I've often found myself in a position where I've interactively added some updates to the index and I want to add all of the...
Best algorithm for detecting cycles in a directed graph [closed]
...grey (current node is visited but all reachable nodes are not yet visited) and black (all reachable nodes are visited along with the current one) color coding, if a grey node finds another grey node then we've a cycle. [Pretty much what we've in Cormen's algorithm book]. Wondering if 'Tarjan's algor...
Difference between int32, int, int32_t, int8 and int8_t
... in a C program recently. I know that it stores 32 bits, but don't int and int32 do the same?
3 Answers
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How to correct TypeError: Unicode-objects must be encoded before hashing?
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To store the password (PY3):
import hashlib, os
password_salt = os.urandom(32).hex()
password = '12345'
hash = hashlib.sha512()
hash.update(('%s%s' % (password_salt, password)).encode('utf-8'))
password_hash = hash.hexdigest()
...
Remove duplicate dict in list in Python
I have a list of dicts, and I'd like to remove the dicts with identical key and value pairs.
12 Answers
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Is D a credible alternative to Java and C++? [closed]
Is the D language a credible alternative to Java and C++? What will it take to become a credible alternative? Should I bother learning it? Does it deserve evangelizing?
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What is a “callable”?
...ue, yet o will still not be callable because Python skips __getattribute__ and __getattr__ for calls. The only real way left to check if something is callable is thus EAFP.
– L̲̳o̲̳̳n̲̳̳g̲̳̳p̲̳o̲̳̳k̲̳̳e̲̳̳
Jul 1 '10 at 23:03
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