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View not attached to window manager crash
...S will destroy an activity as soon as it is hidden. When onPostExecute is called the Activity will be in "finishing" state and the ProgressDialog will be not attached to Activity.
How to fix it:
Check for the activity state in your onPostExecute method.
Dismiss the ProgressDialog in onDestroy me...
Does the use of the “Async” suffix in a method name depend on whether the 'async' modifier is used?
...r a Task or Task<T> - which isn't right for methods at the top of a call stack, Button_Click for example, or async void.
Of course, you have to consider what is the point of the convention?
You could say that the Async suffix convention is to communicate to the API user that the method is aw...
Check synchronously if file/directory exists in Node.js
... Note that fs.exists() is deprecated, but fs.existsSync() is not. (The
callback parameter to fs.exists() accepts parameters that are
inconsistent with other Node.js callbacks. fs.existsSync() does not
use a callback.)
You've specifically asked for a synchronous check, but if you can use an ...
What are the precise rules for when you can omit parenthesis, dots, braces, = (functions), etc.?
...can omit dot when using the prefix, infix and postfix notations -- the so called operator notation. While using the operator notation, and only then, you can omit the parenthesis if there is less than two parameters passed to the method.
Now, the operator notation is a notation for method-call, whi...
Java Annotations
... when you use annotation you're customizing what you exactly need from the API
for example you need to call transaction method for a bank transfer :
without using annotation :
the code will be
transfer(Account account1, Account account2, long amount)
{
// 1: Call middleware API to perfor...
jQuery or javascript to find memory usage of page
...
2015 Update
Back in 2012 this wasn't possible, if you wanted to support all major browsers in-use. Unfortunately, right now this is still a Chrome only feature (a non-standard extension of window.performance).
window.performance.memory
Browser support: Chrome 6+
2012 Answer
Is there a w...
How To Create a Flexible Plug-In Architecture?
...
This is not an answer as much as a bunch of potentially useful remarks/examples.
One effective way to make your application extensible is to expose its internals as a scripting language and write all the top level stuff in that language. This makes it quite modifiable and ...
WhatsApp API (java/python) [closed]
I am looking for WhatsApp API, preferably a Python or Java library.
5 Answers
5
...
How does the paste image from clipboard functionality work in Gmail and Google Chrome 12+?
...define a "paste" event handler and look at event.clipboardData.items, and call getAsFile() on them to get a Blob. Once you have a Blob, you can use FileReader on it to see what's in it. This is how you can get a data url for the stuff you just pasted in Chrome:
// window.addEventListener('paste',...
AngularJS Multiple ng-app within a page
...
So basically as mentioned by Cherniv we need to bootstrap the modules to have multiple ng-app within the same page. Many thanks for all the inputs.
var shoppingCartModule = angular.module("shoppingCart", [])
shoppingCartModule...