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What would cause an algorithm to have O(log n) complexity?
...s.
Processing values one digit at a time
How many digits are in the base-10 number n? Well, if there are k digits in the number, then we'd have that the biggest digit is some multiple of 10k. The largest k-digit number is 999...9, k times, and this is equal to 10k + 1 - 1. Consequently, if we k...
How to create a new object instance from a Type
...objectType);
The Activator class has a generic variant that makes this a bit easier:
ObjectType instance = Activator.CreateInstance<ObjectType>();
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How does Chrome's “Request Desktop Site” option work?
...axy Nexus Build/IMM76K) AppleWebKit/535.19 (KHTML, like Gecko) Chrome/18.0.1025.166 Mobile Safari/535.19
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/535.19 (KHTML, like Gecko) Chrome/18.0.1025.45 Safari/535.19
Notice the word "Mobile' in the first one, and also the mention of Android system and d...
What is the difference between a cer, pvk, and pfx file?
...e-64 is basically just a string of "A-Za-z0-9+/" used to represent 0-63, 6 bits of binary at a time, in sequence, sometimes with 1 or 2 "=" characters at the very end when there are leftovers ("=" being "filler/junk/ignore/throw away" characters)
the header and footer is something like "-----BEGIN C...
Concept behind these four lines of tricky C code
... number 7709179928849219.0 has the following binary representation as a 64-bit double:
01000011 00111011 01100011 01110101 01010011 00101011 00101011 01000011
+^^^^^^^ ^^^^---- -------- -------- -------- -------- -------- --------
+ shows the position of the sign; ^ of the exponent, and - of the ...
Check if a div exists with jquery [duplicate]
... seems to me that .length defeats .length > 0, so it's kind of a double-win. Still, thanks for pointing this out.
– karim79
Nov 27 '13 at 23:44
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Change MySQL default character set to UTF-8 in my.cnf?
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answered Aug 18 '10 at 15:34
NinjaCatNinjaCat
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How do you reverse a string in place in C or C++?
...eplace SWP with a safe inline function using a tmp variable.
#include <bits/types.h>
#include <stdio.h>
#define SWP(x,y) (x^=y, y^=x, x^=y)
void strrev(char *p)
{
char *q = p;
while(q && *q) ++q; /* find eos */
for(--q; p < q; ++p, --q) SWP(*p, *q);
}
void strrev_utf...
Are delphi variables initialized with a value by default?
...zero, Boolean fields are False, and Variants are set to Unassigned. (See NewInstance and InitInstance in Chapter 5 for details.)"
It's true that local-in-scope variables need to be initialised... I'd treat the comment above that "Global variables are initialised" as dubious until provided with a r...
Bash array with spaces in elements
...he syntax is baffling. I'd be extremely grateful if you could go into it a bit more? Particularly expands to a single word with the value of each array member separated by the first character of the IFS special variable
– CL22
Oct 6 '16 at 9:52
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