I tried this way without effect: $a = false; $b = false; 开发者_Python百科$c = \'sometext\'; $result = $a or $b or $c or exit(\'error: all variables are false\');
I have read this in answer to many questions on here. But what e开发者_如何学运维xactly does it mean?
I am trying to write an 开发者_Python百科interpreter for the programming language Icon. One of the steps in this process is writing a parser for Icon, which I\'ve done in the following way:
I read from the official tutorial of Java that prefix and postfix ++ -- have different precedences: postfix:expr++ expr--
I have an array of type T which I pass as a pointer parameter to a function. The problem is that I can\'t write new data to this array properly, without getting memory violation at the second try.
What would be the best way to change operator precedence for a concrete expression? For example I have a class:
This question already has answers here: Stacking Multiple Ternary Operators in PHP (11 answers) Closed 2 years ago.
my issue is a bit similar to this one: Having an issue with my TextBox control template but I\'d like to go a little further:
I\'m working my way through Types and Programming Languages, and Pierce, for the call by value red开发者_如何学JAVAuction strategy, gives the example of the term id (id (λz. id z)). The inner redex i
Hi there i have a method called int compare(char op1, char op2) the method will return 1, -1 or 0 depending on the result of the comparison. (1 if op1 < op2).