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If-then-else flow diagram A nested if–then–else flow diagram. In computer science, conditionals (that is, conditional statements, conditional expressions and conditional constructs) are programming language constructs that perform different computations or actions or return different values depending on the value of a Boolean expression, called a condition.
The example ~/.bash_profile below is compatible with the Bourne shell and gives semantics similar to csh for the ~/.bashrc and ~/.bash_login. The [ -r filename] && cmd is a short-circuit evaluation that tests if filename exists and is readable, skipping the part after the && if it is not.
In computer science, imperative programming is a programming paradigm of software that uses statements that change a program's state.In much the same way that the imperative mood in natural languages expresses commands, an imperative program consists of commands for the computer to perform.
Watt notes that a class of sequencers known as escape sequencers, defined as "sequencer that terminates execution of a textually enclosing command or procedure", encompasses both breaks from loops (including multi-level breaks) and return statements. As commonly implemented, however, return sequencers may also carry a (return) value, whereas ...
The playoff race is heating up, but nothing has changed at the top. Both the Kansas City Chiefs and the Detroit Lions won on Sunday to maintain their leads in the AFC and NFC races, respectively.
Kay Granger’s spox denies claims that she’s in a memory care facility. A spokesperson for the retiring rep, Valerie Nelson, also said Kay Granger is not in a memory care unit, releasing a ...
The Orlando Magic will be without Franz Wagner indefinitely after the forward suffered a torn right oblique during Friday's loss to the Philadelphia 76ers, according to ESPN's Shams Charania ...
For example, in Python, to print the string Hello, World! followed by a newline, one only needs to write print ("Hello, World!" In contrast, the equivalent code in C++ [ 7 ] requires the import of the input/output (I/O) software library , the manual declaration of an entry point , and the explicit instruction that the output string should be ...