I was wondering if there is a way in angular to conditionally display content other than using ng-show etc. For example in backbone.js I could do something with inline content in a template like: <% if (myVar === “two”) { %> show this<% } %> but in angular, I seem to be limited to showing … Read more
It’s more about python list comprehension syntax. I’ve got a list comprehension that produces list of odd numbers of a given range: [x for x in range(1, 10) if x % 2] This makes a filter – I’ve got a source list, where I remove even numbers (if x % 2). I’d like to use … Read more
How do you do a ternary with AngularJS (in the templates)? It would be nice to use some in html attributes (classes and style) instead of creating and calling a function of the controller. 8 Answers 8
I know there is a way for writing a Java if statement in short form. if (city.getName() != null) { name = city.getName(); } else { name=”N/A”; } Does anyone know how to write the short form for the above 5 lines into one line? 15 Answers 15
Can I write the if else shorthand without the else? var x=1; x==2 ? dosomething() : doNothingButContinueCode(); I’ve noticed putting null for the else works (but I have no idea why or if that’s a good idea). Edit: Some of you seem bemused why I’d bother trying this. Rest assured it’s purely out of curiosity. … Read more
From what I know, PowerShell doesn’t seem to have a built-in expression for the so-called ternary operator. For example, in the C language, which supports the ternary operator, I could write something like: <condition> ? <condition-is-true> : <condition-is-false>; If that doesn’t really exist in PowerShell, what would be the best way (i.e. easy to read … Read more
How is the conditional operator (? 🙂 used in Ruby? For example, is this correct? <% question = question.size > 20 ? question.question.slice(0, 20)+”…” : question.question %> 7 Answers 7
I need to set value to a that depends on a condition. What is the shortest way to do this with CoffeeScript? E.g. this is how I’d do it in JavaScript: a = true ? 5 : 10 # => a = 5 a = false ? 5 : 10 # => a = 10 … Read more
How can I use an inline if statement in JavaScript? Is there an inline else statement too? Something like this: var a = 2; var b = 3; if(a < b) { // do something } 17 Answers 17
In C/C++ (and many languages of that family), a common idiom to declare and initialize a variable depending on a condition uses the ternary conditional operator : int index = val > 0 ? val : -val Go doesn’t have the conditional operator. What is the most idiomatic way to implement the same piece of … Read more
