How many ternary strings of length 4 have exactly one 1?
119386
How many ternary strings of length 4 have exactly one 1?
42706
How many $N$ digits binary numbers can be formed where $0$ is not repeated
50090
one-dimensional array shapes (length,) vs. (length,1) vs. (length)
133695
Induction, 0'1 and 1's sequence fun question
105055
How can I find all of the permutations consisting of 1 element from a variable number of arrays of variable length?
39387
In Java, for a string x, what is the runtime cost of s.length()? Is it O(1) or O(n)?
66491
How many String objects will be created when using a plus sign?
141427
unusual ternary operation
71098
number of table with $1$ and $-1$
633
Number of bit strings
56233
Is the set of all strings with countably infinite length bijective to $[0,1]$?
122048
why is the set of all binary sequences not countable?
97890
$\{1,1\}=\{1\}$, origin of this convention
70266
1-1 correspondence between [0,1] and [0,1)
80744
What is the number of strings at size $n$ that is constructed from ${a,b,c,d}$ and there is an even num of $a$
157954
How many digits does the integer zero have?
12242
How does string equality work in JavaScript?