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Salting Your Password: Best Practices?
... been curious... Which is better when salting a password for hashing: prefim>x m>, or postfim>x m>? Why? Or does it matter, so long as you salt?
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Is there a “null coalescing” operator in JavaScript?
...{
return arguments[i];
}
}
return null;
}
var m>x m>yz = {};
m>x m>yz.val = coalesce(null, undefined, m>x m>yz.val, 5);
// m>x m>yz.val now contains 5
this solution works like the SQL coalesce function, it accepts any number of arguments, and returns null if none of them have a value. I...
Emacs, switch to previous window
In Emacs, C-m>x m> o takes me to the nem>x m>t window.
12 Answers
12
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Is it possible to ping a server from Javascript?
I'm making a web app that requires that I check to see if remote servers are online or not. When I run it from the command line, my page load goes up to a full 60s (for 8 entries, it will scale linearly with more).
...
How to “git show” a merge commit with combined diff output even when every changed file agrees with
After doing a "simple" merge (one without conflicts), git show usually only shows something like
11 Answers
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Initialization of an ArrayList in one line
...
Actually, probably the "best" way to initialize the ArrayList is the method you wrote, as it does not need to create a new List in any way:
ArrayList<String> list = new ArrayList<String>();
list.add("A");
list.add("B");
list.add("C");
The catch is that there is quite a bit of ty...
Can we use join for two different database tables?
Can we use the join operation for two tables from different databases? If yes, how do I do it?
2 Answers
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Generate random numbers following a normal distribution in C/C++
...ethods to generate Gaussian-distributed numbers from a regular RNG.
The Bom>x m>-Muller transform is commonly used. It correctly produces values with a normal distribution. The math is easy. You generate two (uniform) random numbers, and by applying an formula to them, you get two normally distribute...
make: Nothing to be done for `all'
I am going through an eg pgm to create a make file.
7 Answers
7
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Is there any difference between a GUID and a UUID?
...nces. Specifically, some Microsoft GUID docs allow GUIDs to contain any hem>x m> digit in any position, while RFC4122 requires certain values for the version and variant fields. Also, [per that same link], GUIDs should be all-upper case, whereas UUIDs should be "output as lower case characters and are ...