Oct 12, 2021 · The use of empty strings when used to indicate a null value or lack of value, when the language you're using has a better way to support that, will lead to bugs and hard to maintain code.With very few exceptions, empty strings should be avoided. Several times over my career I have demonstrated the problem of using empty strings to colleagues, so I thought it was about time I write it up for ... The shortest way to do that would be: do { // Something } while (*url); Basically, *url will return the char at the first position in the array; since C strings are null-terminated, if the string is empty, its first position will be the character '\0', whose ASCII value is 0; since C logical statements treat every zero value as false, this loop will keep going while the first position of the ... A string orchestra is an orchestra consisting solely of a string section made up of the bowed strings used in Western Classical music. The instruments of such an orchestra are most often the following: the violin, which is divided into first and second violin players (each usually playing different parts), the viola, the cello, and usually, but not always, the double bass. Many authors also use concatenation of a string set and a single string, and vice versa, which are defined similarly by S 1 w = { vw : v ∈ S 1} and vS 2 = { vw : w ∈ S 2}. In these definitions, the string vw is the ordinary concatenation of strings v and w as defined in the introductory section. Jan 15, 2013 · Empty strings and nulls are fundamentally different. A null is an absence of a value and an empty string is a value that is empty. The programming language making assumptions about the "value" of a variable, in this case an empty string, will be as good as initiazing the string with any other value that will not cause a null reference problem.