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Does BroadcastReceiver.onReceive always run in the UI thread?
In my App, I create a custom BroadcastReceiver and register it to my Context manually via Context.registerReceiver . I also have an AsyncTask that dispatches notifier-Intents via Context.sendBroadcast . The intents are sent from a non-UI worker thread, but it seems that BroadcastReceiver.onRe...
What is so bad about singletons? [closed]
...al instance, why is that so bad? Because you hide the dependencies of your application in your code, instead of exposing them through the interfaces. Making something global to avoid passing it around is a code smell.
They violate the single responsibility principle: by virtue of the fact that they ...
Android - Set fragment id
...hod and FragmentManager's findFragmentByTag(String) method.
In one of my apps, I was forced to generate strings dynamically. But it's not that expensive relative to the actual FragmentTransaction, anyway.
Another advantage to the tag method is that it can identify a Fragment that isn't being adde...
Django filter queryset __in for *every* item in list
...ld not be a problem for small set of categories.
There is the aggregation approach. This query would be shorter and perhaps quicker for a large set of categories.
You also have the option of using custom queries.
Some examples
Test setup:
class Photo(models.Model):
tags = models.ManyToMan...
When and why I should use session_regenerate_id()?
...
And what appends if the hacker do the 20th call ? Session ID is changed and he is the only one to own the session ;))
– fred727
Oct 6 '15 at 10:59
...
What database does Google use?
...table, including web indexing,
Google Earth, and Google Finance.
These applications place very
different demands on Bigtable, both in
terms of data size (from URLs to web
pages to satellite imagery) and
latency requirements (from backend
bulk processing to real-time data
serving).
...
NSDefaultRunLoopMode vs NSRunLoopCommonModes
...For example: as soon as a mouse-dragging (Mac OS) or touch (on iOS) event happens then the mode for this run loop is set to event tracking; this means that the thread will not be woken up on new network events but these events will be delivered later when the user input event terminates and the run ...
Where is the syntax for TypeScript comments documented?
...of the foo function. */
function foo() {
}
To learn jsdoc : https://jsdoc.app/
But you don't need to use the type annotation extensions in JSDoc.
You can (and should) still use other jsdoc block tags like @returns etc.
Example
Just an example. Focus on the types (not the content).
JSDoc version (n...
Can I redirect the stdout in python into some sort of string buffer?
...method.
This can be used to good effect to "catch" stdout output in a GUI application.
Here's a silly example in PyQt:
import sys
from PyQt4 import QtGui
class OutputWindow(QtGui.QPlainTextEdit):
def write(self, txt):
self.appendPlainText(str(txt))
app = QtGui.QApplication(sys.argv)...
Setting onClickListener for the Drawable right of an EditText [duplicate]
In my app I have a EditText with a search Icon on the right side. I used the code given below.
6 Answers
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