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
Considering this code snippet: from os import walk files = [] for (dirpath, _, filenames) in walk(mydir): # More code that modifies files if len(files) == 0: # <– C1801 return None I was alarmed by Pylint with this message regarding the line with the if statement: [pylint] C1801:Do not use len(SEQUENCE) as condition value … Read more
I have a 2D NumPy array and would like to replace all values in it greater than or equal to a threshold T with 255.0. To my knowledge, the most fundamental way would be: shape = arr.shape result = np.zeros(shape) for x in range(0, shape[0]): for y in range(0, shape[1]): if arr[x, y] >= T: … Read more
So far whenever I needed to use a conditional statement within a Widget I have done the following (Using Center and Containers as simplified dummy examples): new Center( child: condition == true ? new Container() : new Container() ) Though when I tried using an if/else statement it would lead to an Dead code warning: … Read more
I am new to Laravel. How do I find if a record exists? $user = User::where(’email’, ‘=’, Input::get(’email’)); What can I do here to see if $user has a record? 31 Answers 31 It depends if you want to work with the user afterwards or only check if one exists. If you want to use … Read more
How do I write a switch statement in Ruby? 2 27 Ruby uses the case expression instead. case x when 1..5 “It’s between 1 and 5” when 6 “It’s 6” when “foo”, “bar” “It’s either foo or bar” when String “You passed a string” else “You gave me #{x} — I have no idea what … Read more
