I have the following YAML: paths: patha: /path/to/root/a pathb: /path/to/root/b pathc: /path/to/root/c How can I “normalise” this, by removing /path/to/root/ from the three paths, and have it as its own setting, something like: paths: root: /path/to/root/ patha: *root* + a pathb: *root* + b pathc: *root* + c Obviously that’s invalid, I just made it … Read more
I have read several of the post about Objective-C method syntax but I guess I don’t understand multiple names for a method. I’m trying to create a method called getBusStops with NSString and NSTimeInterval parameters and a return type of NSMutableArray. This is how I have constructed the method but it obviously gets errors at … Read more
I have a string that looks like ‘%s in %s’ and I want to know how to seperate the arguments so that they are two different %s. My mind coming from Java came up with this: ‘%s in %s’ % unicode(self.author), unicode(self.publication) But this doesn’t work so how does it look in Python? 8 Answers … Read more
I recently came across a syntax I never seen before when I learned python nor in most tutorials, the .. notation, it looks something like this: f = 1..__truediv__ # or 1..__div__ for python 2 print(f(8)) # prints 0.125 I figured it was exactly the same as (except it’s longer, of course): f = lambda … Read more
This question already has answers here: How to terminate a script? (12 answers) Closed 2 years ago. I have a simple Python script that I want to stop executing if a condition is met. For example: done = True if done: # quit/stop/exit else: # do other stuff Essentially, I am looking for something that … Read more
I notice that I can do things like 2 << 5 to get 64 and 1000 >> 2 to get 250. Also I can use >> in print: print >>obj, “Hello world” What is happening here? 10 Answers 10
Why is it possible to call function in JavaScript like this, tested with node.js: ~$ node > function hi() { console.log(“Hello, World!”); }; undefined > hi [Function: hi] > hi() Hello, World! undefined > hi)( // WTF? Hello, World! undefined > Why does the last call, hi)(, work? Is it bug in node.js, bug in … Read more
I have read the links below, but it doesn’t address my question. Does Python have a ternary conditional operator? (the question is about condensing if-else statement to one line) Is there an easier way of writing an if-elif-else statement so it fits on one line? For example, if expression1: statement1 elif expression2: statement2 else: statement3 … Read more
I was running the following PHP code: <?php </script> ?> There were no parse errors and the output was “?>” (example). In similar cases I do get a parse error: <?php </div> ?> Parse error: syntax error, unexpected ‘<‘ in … Why doesn’t <?php </script> ?> give the same error? 2 Answers 2
Are elseif and else if completely synonymous, or is there a difference? Does Zend have an accepted “standard” on which one to use? While I personally dislike seeing elseif in the code, I just need to know if they’re synonymous and the PHP manual isn’t the easiest to search. 3 Answers 3