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Best Practices: Salting & peppering passwords?
...provable or the maintainable models...
Theoretical Problems With Peppers
Now that we've set the stage, let's look at what's wrong with peppers.
Feeding one hash into another can be dangerous.
In your example, you do hash_function($salt . hash_function($pepper . $password)).
We know from past e...
How to read the output from git diff?
...mits_on_stdin = 0;
int commits;
After the change this fragment of now 'http-fetch.c' file looks like this instead:
#include "cache.h"
#include "walker.h"
int main(int argc, const char **argv)
{
const char *prefix;
struct walker *walker;
int commits_on_stdin = 0;
...
Does pandas iterrows have performance issues?
...a custom Cython routine is usually too complicated, so let's skip that for now.
1) Vectorization is ALWAYS, ALWAYS the first and best choice. However, there is a small set of cases (usually involving a recurrence) which cannot be vectorized in obvious ways. Furthermore, on a smallish DataFrame, it ...
What is the difference between dynamic and static polymorphism in Java?
...ymorphism.
Because, in case of overloading, at compile time the compiler knows which method to link to the call. However, it is determined at runtime for dynamic polymorphism
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What is the difference between server side cookie and client side cookie?
...r=20
Accept: */*
SESSIONS: Server side cookies
Server side cookies are known as "sessions". The website in this case stores a single cookie on the browser containing a unique Session Identifier. Status information (foo=10 and bar=20 above) are stored on the server and the Session Identifier is us...
What is the difference between LL and LR parsing?
... Accept
The two parsing algorithms you mentioned (LL and LR) are known to have different characteristics. LL parsers tend to be easier to write by hand, but they are less powerful than LR parsers and accept a much smaller set of grammars than LR parsers do. LR parsers come in many flavors...
What is Castle Windsor, and why should I care?
...lled in where you need them.
There is no new
It just happens - because it knows what needs what.
And you can write fewer defects with better designed, DRY code in a testable and repeatable way.
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When should I use cross apply over inner join?
...ct tbl.value + 1 as someFormula) as crossTbl and voilà! Your new field is now ready for use practically like it had always been there in your source data.
Values introduced through CROSS APPLY can...
be used to create one or multiple calculated fields without adding performance, complexity or re...
Node.js and CPU intensive requests
... In fact, someone has ported it to the node world: github.com/technoweenie/coffee-resque
– FrontierPsycho
Mar 11 '15 at 10:20
...
Under what circumstances are linked lists useful?
...
They can be useful for concurrent data structures.
(There is now a non-concurrent real-world usage sample below - that would not be there if @Neil hadn't mentioned FORTRAN. ;-)
For example, ConcurrentDictionary<TKey, TValue> in .NET 4.0 RC use linked lists to chain items that h...