How to check how many numbers a bit flag / bit mask contains
9560
How to count the number of set bits in a 32-bit integer?
6282
How do I check if a string is a number (float)?
63688
Find the highest order bit in C
14073
Is there a way to determine how many digits a power of 2 will contain?
1085
How to output a counter with leading zeros?
61259
How can I put a bit mask on /dev/zero so that I can get bytes other than zero?
139442
How can i count number of digits in tetrated numbers?
67581
Detect 32-bit or 64-bit of Windows
90923
What are bitwise operations?
150196
C++ to check if user input is a number, not a character or a symbol
89513
How to get the separate digits of an int number?
25790
How do I convert a binary string to a number in Perl?
77360
Efficient way of iterating over true bits in std::bitset?
24937
What's the best way to check if a String represents an integer in Java?
67473
How to determine if a string is a number with C++?
44719
How can I count the number of matches for a regex?
128885
For 3 numbers represented with $n$ bits in binary, how many bits is required for their product.