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Android: Go back to previous activity
I want to do something simple on android app.
How is it possible to go back to a previous activity.
23 Answers
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Adding onClick event dynamically using jQuery
...d the "onClick" attribute to the HTML form inputs like usual.
A plugin is handling the forms part in my site and it doesn't give an option to do this automatically.
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NSUserDefaults - How to tell if a key exists
I'm working on a small iPhone app, and I am using NSUserDefaults as my data persistence. It only has to keep track of a few things, such as some names and some numbers so I figure I might as well keep it simple.
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How to remove all null elements from a ArrayList or String Array?
... For Java 8 or later, see @MarcG's answer below.
– Andy Thomas
Feb 6 '16 at 15:16
2
@Hemanth Ca...
What is the difference between String.Empty and “” (empty string)?
In .NET, what is the difference between String.Empty and "" , and are they interchangable, or is there some underlying reference or Localization issues around equality that String.Empty will ensure are not a problem?
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How do I make class methods / properties in Swift?
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They are called type properties and type methods and you use the class or static keywords.
class Foo {
var name: String? // instance property
static var all = [Foo]() // static type property
class var comp: Int { // computed ...
Swift equivalent for MIN and MAX macros
In C / Objective-C it is possible to find the minimum and maximum value between two numbers using MIN and MAX macros. Swift doesn't support macros and it seems that there are no equivalents in the language / base library. Should one go with a custom solution, maybe based on generics like this one ?...
How do I pass multiple parameters into a function in PowerShell?
...g parameter, the first parameter seems to get all the data assigned to it, and remaining parameters are passed in as empty.
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How to create a memory leak in Java?
I just had an interview, and I was asked to create a memory leak with Java.
Needless to say, I felt pretty dumb having no clue on how to even start creating one.
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RESTfully design /login or /register resources?
I was designing a web app and then stopped to think about how my api should be designed as a RESTful web service. For now, most of my URI's are generic and might apply to various web apps:
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