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  1. Как работает оператор else if и в чем отличие от if?

    Как такового оператора else if нет, это лишь использование ещё одного if в ветке else другого if. Но разница между ними есть. В первом случае второе условие отработает, если не …

  2. python - What is the correct syntax for 'else if'? - Stack Overflow

    I executed the example. The conditional syntax is correct, but the program doesn't work because the input is parsed to an "int" instead of a "char". If you enter "1" then it prints "3a". This is because the …

  3. How do I tell if a file does not exist in Bash? - Stack Overflow

    Mar 12, 2009 · To be pendantic, you should say "regular file", as most UNIX/POSIX docs refer generically to all types of file system entries a simply "files", e.g., a symbolic link is a type of a file, as …

  4. What is the difference between IF-ELSE and SWITCH?

    Mar 25, 2009 · The main difference is that switch despatches immediately to the case concerned, typically via an indexed jump, rather than having to evaluate all the conditions that would be required …

  5. java - && (AND) and || (OR) in IF statements - Stack Overflow

    Java has 5 different boolean compare operators: &, &&, |, ||, ^ & and && are "and" operators, | and || "or" operators, ^ is "xor" The single ones will check every parameter, regardless of the values, before …

  6. What is Python's equivalent of && (logical-and) in an if-statement?

    Mar 21, 2010 · There is no bitwise negation in Python (just the bitwise inverse operator ~ - but that is not equivalent to not). See also 6.6. Unary arithmetic and bitwise/binary operations and 6.7. Binary …

  7. Using "If cell contains #N/A" as a formula condition.

    Jan 7, 2014 · I need help on my Excel sheet. How can I declare the following IF condition properly? if A1 = "n/a" then C1 = B1 else if A1 != "n/a" or has value(int) then C1 = A1*B1

  8. How do I check if an array includes a value in JavaScript?

    What is the most concise and efficient way to find out if a JavaScript array contains a value? This is the only way I know to do it: function contains (a, obj) { for (var i = 0; i < a.length;...

  9. What does if __name__ == "__main__": do? - Stack Overflow

    Jan 7, 2009 · If you are trying to close a question where someone should be using this idiom and isn't, consider closing as a duplicate of Why is Python running my module when I import it, and how do I …

  10. When to use If-else if-else over switch statements and vice versa

    Aug 13, 2017 · Why you would want to use a switch block over a series of if statements? switch statements seem to do the same thing but take longer to type.