string null or empty c# ternary operator

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But neither has any extra "cost", since Empty is a single fixed reference (you can use it any number of times). But you can have an empty string, i.e. use, @Kieren Johnstone, if one has no postfix name, why wouldn't use, Yes. How to check if a string contains a substring in Bash. These both create empty strings and are basically equivalent. Can my creature spell be countered if I cast a split second spell after it? If the input isn't ASCII, the logic would be (1) encoding-dependent and (2) much more complicated. Not the answer you're looking for? Microsoft makes no warranties, express or implied, with respect to the information provided here. Unexpected uint64 behaviour 0xFFFF'FFFF'FFFF'FFFF - 1 = 0? The safest way to check for an empty or null string is using string.IsNullOrEmpty. Is there a single function that can check if it's not "" or null? Why is it shorter than a normal address? Share The cursor just jumps down to the next line instead of submitting nothing. Not the answer you're looking for? std::string.length, or if you like C better, strlen function. Why would you use Expression> rather than Func? If youve only coded C, the question arises, Arent an empty string and a null string the same thing? They arent. Though C doesnt really have official typing for empty and null strings, you can still tell the difference between them: compare. He also rips off an arm to use as a sword. while (strcmp (url, "")); How to check if C string is empty - Stack Overflow ;), Initializing strings as null vs empty string. Boolean algebra of the lattice of subspaces of a vector space? How to check whether a string contains a substring in JavaScript? The strcmp() function at Line 9 compares the two char arrays. And blindly casting to, @Ben: Positive, you have understood correctly that the function doesn't handle a string. String s2 = null; means that ( null) or "no value at all" is assigned to s2. @Surfing_SO: There's a string constructor which takes a pointer to an array of characters, terminated by a zero char.. You incorrectly did not pass such a pointer (NULL doesn't point to an array of characters, or anything else).

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