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AngularJS and its use of Dollar Variables
...on,
angular's built-in services, Scope methods and a few other angular
APIs have a '$' prefix in front of the name. Don't use a '$' prefix
when naming your services and models, in order to avoid any possible
naming collisions.
http://docs.angularjs.org/guide/concepts#angular_namespace
...
How to determine a user's IP address in node
...
I have my API service installed on a no.de instance. When I try to access it from my computer, I get an IP address of "10.2.XXX.YYY" whereas my real world IP is "67.250.AAA.BBB"
– Shamoon
Nov 12 '...
Making the iPhone vibrate
...
Important Note: Alert of Future Deprecation.
As of iOS 9.0, the API functions description for:
AudioServicesPlaySystemSound(inSystemSoundID: SystemSoundID)
AudioServicesPlayAlertSound(inSystemSoundID: SystemSoundID)
includes the following note:
This function will be deprecated in a f...
How do I convert a String to an int in Java?
...
@user463035818 - See docs.oracle.com/javase/8/docs/api/java/util/regex/… - a regular expresssion pattern of "([0-9]+)" will "capture" the first sequence of one or more digits one through nine. Look at the Matcher class in that package.
– Mark Stewart
...
PDO MySQL: Use PDO::ATTR_EMULATE_PREPARES or not?
...ion must be lower than using PDO's prepare emulation, where any flaw in escaping (e.g. the historical issues mysql_real_escape_string had with multi-byte characters) would still leave one open to injection attacks?
– eggyal
May 4 '12 at 20:56
...
jQuery scroll to element
...e example below.
<html>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.5.1/jquery.min.js"></script>
<script>
$(document).ready(function (){
$("#click").click(function (){
$('html, body').animate({
...
Android Reading from an Input stream efficiently
...
The documentation for it can be found here:
http://commons.apache.org/io/api-1.4/org/apache/commons/io/IOUtils.html#toString%28java.io.InputStream%29
The Apache Commons IO library can be downloaded from here:
http://commons.apache.org/io/download_io.cgi
...
What should I use Android AccountManager for?
...not use an AccountManager without a SyncAdapter before Android 2.2 / Froyo API 8)
With AccountManager / SyncAdapter / ContentProvider:
AccountManager gives users a central point (Settings > Accounts) to define their credentials
Android decides when synchronization can be done via SyncAdapter....
ReactJS Two components communicating
...ate components.
Until now, context was an experimental feature, but a new API is available in React 16.3.
const AppContext = React.createContext(null)
class App extends React.Component {
render() {
return (
<AppContext.Provider value={{language: "en",userId: 42}}>
<d...
How to set entire application in portrait mode only?
...Orientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
}
For Android 4+ (API 14+)
Last option is to do it with activity lifecycle listeners which is only available since Android 4.0 (API 14+). Everything happens in a custom Application class:
@Override
public void onCreate() {
super.onCreate...