Checking whether a variable is an integer or not
4684
What's the canonical way to check for type in Python?
106634
Check if a value from scanf is a number?
102232
Checking whether a number is positive or negative using bitwise operators
19249
Type Checking: typeof, GetType, or is?
96317
How to check type of variable in Java?
109443
Compare integer in bash, unary operator expected
60608
Test whether string is a valid integer
34585
How to check if a String is numeric in Java
99084
What is the difference between Integer and int in Java?
125978
Why does my if condition not accept an integer in java?
6282
How do I check if a string is a number (float)?
75034
Syntax error checking whether account number is numeric
102712
Checking if an integer is a member of an integer list
29812
How do I test if a variable is a number in Bash?
73423
What is the best (idiomatic) way to check the type of a Python variable?
116138
Identify if a string is a number
104826
Determine Whether Integer Is Between Two Other Integers?