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How can I check whether a radio button is selected with JavaScript?
I have two radio buttons within an HTML form. A dialog box appears when one of the fields is null. How can I check whether a radio button is selected?
...
How to encode a URL in Swift [duplicate]
...(withAllowedCharacters: CharacterSet.urlQueryAllowed)
let urlpath = String(format: "http://maps.googleapis.com/maps/api/geocode/json?address=\(escapedAddress)")
Use stringByAddingPercentEncodingWithAllowedCharacters:
var escapedAddress = address.stringByAddingPercentEncodingWithAllowedCharacters...
What is polymorphism, what is it for, and how is it used?
...many styrenes (a), polyglot = many languages, and so on.
Morph = change or form: morphology = study of biological form, Morpheus = the Greek god of dreams able to take any form.
So polymorphism is the ability (in programming) to present the same interface for differing underlying forms (data types...
Are HLists nothing more than a convoluted way of writing tuples?
...n which could accept arguments of these two very different shapes and transform them in a type safe way.
The ability to abstract over arity is likely to be of interest anywhere that fixed arities are involved: as well as tuples, as above, that includes method/function parameter lists, and case clas...
doesn't inherit the font from
...
@diEcho, this is true for all elements besides form elements, which inherit from the current system styling so they maintain a feel that is familiar to the user (by default), but they are manually overridable.
– Gabriele Petrioli
May...
Laravel - Route::resource vs Route::controller
...d for? It is a GET method, so I'm presuming it is supposed to full full information on a resource, rather than just limited information via 'resource.show'?
– Anthony
Aug 21 '14 at 18:42
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What are the differences between django-tastypie and djangorestframework? [closed]
... out and very comfortable using advanced concepts (like Class Based Views, Forms, Model Validator, QuerySet, Manager and Model Instances and how all they interact with one another), **go for DRF. **DFR is bases on django’s class based views.
DRF is idiomatic django. Its like you are writing model ...
How can I shift-select multiple checkboxes like GMail?
... ? 1 : -1;
for (var i = last; i != num; i += di) {
document.forms.boxes['box[' + i + ']'].checked = true;
}
}
last = num;
}
function init() {
for (var i = 0; i < NUM_BOXES; i++) {
document.forms.boxes['box[' + i + ']'].onclick = check;
}
}
<body onlo...
var functionName = function() {} vs function functionName() {}
...
Here's the rundown on the standard forms that create functions: (Originally written for another question, but adapted after being moved into the canonical question.)
Terms:
ES5: ECMAScript 5th edition, 2009
ES2015: ECMAScript 2015 (also known as "ES6")
Th...
Resolve Type from Class Name in a Different Assembly
...k);
Assembly asmRef = Assembly.ReflectionOnlyLoad("System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089");
// Task<DialogResult> in refTypeTest below:
string refTypeTest = "System.Threading.Tasks.Task`1[[System.Windows.Forms.DialogRes...