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Is “double hashing” a password less secure than just hashing it once?
...cter. Instead, they use an ordered list of the most likely passwords. They start with "password123" and progress to less frequently used passwords.
Let's say an attackers list is long, with 10 billion candidates; suppose also that a desktop system can compute 1 million hashes per second. The attac...
Can I add a UNIQUE constraint to a PostgreSQL table, after it's already created?
...
I needed an answer to this very question and started googling for the docs. Instead of the Postgres documentation, I ran into this topic at StackOverflow. So although it's a good think to reference the official docs, it's also very good to give the answer for future vis...
Difference between Xcode version (CFBundleShortVersionString) and build (CFBundleVersion)
...sing CFBundleVersion to represent internal builds, then I need to at least start with an integer higher than 1.3.1, right? Or is making that switch just asking for trouble?
– Philip Walton
Aug 2 '11 at 19:33
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How can I make a JUnit Test wait?
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If I start a worker thread from within a test, will the sleep() affects the worker thread?
– Anthony Kong
May 27 at 9:27
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Intersection of two lists in Bash
...q -d does nothing, because the sort has removed the duplicates before uniq starts to look for them. I think you have not understood what my command is doing.
– Benubird
Feb 23 '15 at 8:36
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How do you specify that a class property is an integer?
...might just want to just use that, but I'll explain the workings below.
To start out with we define the integer type.
const TAG = Symbol()
type integer = number & { readonly [TAG]: unique symbol }
The TAG ensures we have a unique value so that we don't accidentally make an object with the sam...
express.js - single routing handler for multiple routes in a single line
...f the above.
They have some examples, including:
This will match paths starting with /abcd, /xyza, /lmn, and /pqr:
app.use(['/abcd', '/xyza', /\/lmn|\/pqr/], function (req, res, next) {
next();
});
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Best practices for copying files with Maven
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I didn't use Ant for years, and I don't want to start doing it for such a simple thing. So thanks for this answer.
– Gustave
Mar 31 '17 at 6:03
add ...
What does (function($) {})(jQuery); mean?
I am just starting out with writing jQuery plugins. I wrote three small plugins but I have been simply copying the line into all my plugins without actually knowing what it means. Can someone tell me a little more about these? Perhaps an explanation will come in handy someday when writing a framewor...
Why is a ConcurrentModificationException thrown and how to debug it
...for the Collection (using Collection.iterator(), or an enhanced for loop), start iterating (using Iterator.next(), or equivalently entering the body of the enhanced for loop), modify the Collection, then continue iterating.
To help programmers, some implementations of those Collection classes attem...