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Best Practices: Salting & peppering passwords?
...avoid the IV-vector. Together with the known plaintext (hash-values always start with the same characters), this could be a problem. On my homepage i published an example implementation, that handles this encryption.
– martinstoeckli
Jun 27 '13 at 20:14
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What is the difference between “INNER JOIN” and “OUTER JOIN”?
...rely logical description above but the final result must be the same)
I'll start off with an animated version of a full outer join. Further explanation follows.
Explanation
Source Tables
First start with a CROSS JOIN (AKA Cartesian Product). This does not have an ON clause and simply returns ever...
How do I tell Maven to use the latest version of a dependency?
...ilable in Maven 3.0 anymore ;) Would you consider editing the answer so it starts with an update stating the Maven 3.0 depreaction? Thanks a bunch!
– Miquel
Nov 29 '13 at 15:48
6
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How to unzip a list of tuples into individual lists? [duplicate]
...8), (2, 4, 9)]
The zip() function pairs up the elements from all inputs, starting with the first values, then the second, etc. By using *l you apply all tuples in l as separate arguments to the zip() function, so zip() pairs up 1 with 3 with 8 first, then 2 with 4 and 9. Those happen to correspond...
How to get the current date without the time?
...rately from times, you might want to look at the Noda Time project which I started. It's not ready for production just yet, but we'd love to hear what you'd like to do with it...
share
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improve thi...
Variables not showing while debugging in Eclipse
...ay. However, when the debugger stopped at a different place, the variables started showing up.
– haridsv
Mar 20 '13 at 12:03
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Perl build, unit testing, code coverage: A complete working example
... v5.10.0 on a Windows XP Pro PC, Module::Build, Test::More, Devel::Cover)
Start out with a directory for your Perl project and then create a "lib" directory and a "t" directory under your project directory:
HelloPerlBuildWorld
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|----------> lib
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|---------->...
git + LaTeX workflow
...g a Git+LaTeX workflow is to make a few changes to your LaTeX habits.
For starters, write each sentence on a separate line. Git was written to version control source code, where each line is distinct and has a specific purpose. When you write documents in LaTeX, you often think in terms of paragrap...
Evenly distributing n points on a sphere
...er words, k is an array of size N that is defined before the code fragment starts, and which contains a list of the points).
Alternatively, building on the other answer here (and using Python):
> cat ll.py
from math import asin
nx = 4; ny = 5
for x in range(nx):
lon = 360 * ((x+0.5) / nx)
...
What is “entropy and information gain”?
...e class prediction (m or f)
So if we run the name Amro down this tree, we start by testing "is the length<7?" and the answer is yes, so we go down that branch. Following the branch, the next test "is the number of vowels<3?" again evaluates to true. This leads to a leaf node labeled m, and th...