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Resolve absolute path from relative path and/or file name
...batch script to return an absolute path from a value containing a filename and/or relative path?
14 Answers
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How to get unique values in an array
...hat uses no libraries. This requires two new prototype functions, contains and unique
Array.prototype.contains = function(v) {
for (var i = 0; i < this.length; i++) {
if (this[i] === v) return true;
}
return false;
};
Array.prototype.unique = function() {
var arr = [];
...
What's the difference between an argument and a parameter?
...ng else. Either way the other people know what I mean, but what's correct, and what's the history of the terms?
34 Answers
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How do I check if a string is a number (float)?
...
Which, not only is ugly and slow
I'd dispute both.
A regex or other string parsing method would be uglier and slower.
I'm not sure that anything much could be faster than the above. It calls the function and returns. Try/Catch doesn't introd...
Structure padding and packing
...alignment of the whole struct in an array */
} x;
Packing, on the other hand prevents compiler from doing padding - this has to be explicitly requested - under GCC it's __attribute__((__packed__)), so the following:
struct __attribute__((__packed__)) mystruct_A {
char a;
int b;
char c...
Explanation of JSONB introduced by PostgreSQL
PostgreSQL just introduced JSONB and it's already trending on hacker news . It would be great if someone could explain how it's different from Hstore and JSON previously present in PostgreSQL. What are its advantages and limitations and when should someone consider using it?
...
Learning assembly [closed]
... learn Assembly language. The main reason to do so is being able to understand disassembled code and maybe being able to write more efficient parts of code (for example, through c++), doing somethings like code caves, etc. I saw there are a zillion different flavors of assembly, so, for the purposes...
Why is there no xrange function in Python3?
Recently I started using Python3 and it's lack of xrange hurts.
6 Answers
6
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design a stack such that getMinimum( ) should be O(1)
...) is still just a peek operation. For example, taking the original version and pushing 1 again, we'd get:
Real stack Min stack
1 --> TOP 1
5 1
1 2
4
6
2
Popping from the above pops from both stac...
Correct way to define C++ namespace methods in .cpp file
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Version 2 is unclear and not easy to understand because you don't know which namespace MyClass belongs to and it's just illogical (class function not in the same namespace?)
Version 1 is right because it shows that in the namespace, you are defi...