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How can I store my users' passwords safely?
... salted hashes: add pepper
If you want extra security, the security folks now (2017) recommend adding a 'pepper' to the (automatically) salted password hashes.
There is a simple, drop in class that securely implements this pattern, I recommend:
Netsilik/PepperedPasswords
(github).
It comes with...
Embed git commit hash in a .Net dll
...on. The Microsoft.NET.Sdk (meaning you must be using an sdk-style project) now includes support for adding the commit hash to both the assembly informational version as well as to the nuget package metadata, if some conditions are met:
The <SourceRevisionId> property must be defined. This can...
What is the difference between old style and new style classes in Python?
What is the difference between old style and new style classes in Python? When should I use one or the other?
8 Answers
...
Rolling median algorithm in C
...omputed very
efficiently.
The two algorithms are internally entirely different:
\describe{
\item{"Turlach"}{is the Härdle-Steiger
algorithm (see Ref.) as implemented by Berwin Turlach.
A tree algorithm is used, ensuring performance \eqn{O(n \log
k)}{O(n * log(k))} whe...
How do I resolve configuration errors with Nant 0.91?
...click the button labelled Unblock, then click OK on the Properties window. Now, extract the file to your desired location, ensure it is on the system path, open a new command line and NAnt should run successfully.
share
...
Convert nested Python dict to object?
...y what the OP wants. A demonstration:
>>> from bunch import bunchify
>>> d = {'a': 1, 'b': {'c': 2}, 'd': ["hi", {'foo': "bar"}]}
>>> x = bunchify(d)
>>> x.a
1
>>> x.b.c
2
>>> x.d[1].foo
'bar'
A Python 3 library is available at https://github....
^M at the end of every line in vim
...trip out the DOS line endings is to use the ff option:
:set ff=unix
:wq
Now your file is back to the good-old-Unix-way.
If you want to add the DOS line-endings (to keep a printer happy, or transfer files with Windows friends who don't have nice tools) you can go the opposite direction easily:
:...
What is the “N+1 selects problem” in ORM (Object-Relational Mapping)?
...s (also rows). In other words, Car → Wheel is a 1-to-many relationship.
Now, let's say you need to iterate through all the cars, and for each one, print out a list of the wheels. The naive O/R implementation would do the following:
SELECT * FROM Cars;
And then for each Car:
SELECT * FROM Wheel W...
Cooler ASCII Spinners? [closed]
...
you get extra points if you can make a popping sound with they system speaker!
– RCIX
Apr 22 '10 at 1:51
4
...
Lua简明教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...sum + num
num = num + 1
end
print("sum =",sum)
if-else分支
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if age == 40 and sex =="Male" then
print("男人四十一枝花")
elseif age > 60 and sex ~="Female" then
print("old man without co...