Angularjs (versions below 1.1.5) does not provide the if/else functionality . Following are a few options to consider for what you want to achieve: (Jump to the update below (#5) if you are using version 1.1.5 or greater) 1. Ternary operator: As suggested by @Kirk in the comments, the cleanest way of doing this would be to … Read more
The point is that batch simply continues through instructions, line by line until it reaches a goto, exit or end-of-file. It has no concept of sections to control flow. Hence, entering de would jump to :languagede then simply continue executing instructions until the file ends, showing de then en then not found.
MatLab doesn’t have a ternary operator, or any other syntactic sugar for one-line if-statements. But if your if-statement is really simple, you could just write it in one line anyway: It’s not as simple as ternary operator, but still better than writing it in 5 lines of code.
It’s almost always advisable to not use scriptlets in your JSP. They’re considered bad form. Instead, try using JSTL (JSP Standard Tag Library) combined with EL (Expression Language) to run the conditional logic you’re trying to do. As an added benefit, JSTL also includes other important features like looping. Instead of: Use: Also, unless you plan on using response.jsp … Read more
There are several errors in your code. And you should use a cond when dealing with multiple conditions (think of it as a series of IF/ELSE IF/…/ELSE statements). Be aware that the expression (and (> x 1) (= x 1)) will never be true, as x is either greater than or equal to 1, both … Read more
“too many arguments” means the number of “,” , “(” & “)” is not right. Just double check for each if(a,b,c) and and(a,b,c) to have enough brackets, data/arguments and comma. In your code, there is a total of 73 pieces of “(” and only 71 “)” . Thus, it is clear that some “(” or … Read more
Your elif is not indented properly…it should be indented the same way if is indented. Seeing the else block, it seems that you have by mistake indented the first if. Remember that elif/else should be preceded by an if always. EDIT: corresponding to the edited question details: Why is the second else there? It isn’t preceded by an if. I feel you need to get your conditions organized properly before … Read more
It’s a strange construct even to seasoned Python coders. When used in conjunction with for-loops it basically means “find some item in the iterable, else if none was found do …”. As in: But anytime you see this construct, a better alternative is to either encapsulate the search in a function: Or use a list … Read more
[[ has fewer surprises and is generally safer to use. But it is not portable – POSIX doesn’t specify what it does and only some shells support it (beside bash, I heard ksh supports it too). For example, you can do to test whether a file exists. But with [, you have to quote $b, … Read more