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Android: integer from xml resource
...erence the integer value in the Java code like this:
It's a bit different from the getString(), you have to take a little detour.
ProgressDialog progressBar = new ProgressDialog(getContext());
int max = getContext().getResources().getInteger(R.integer.maximum);
progressBar.setMax(max);
...
How to make a promise from setTimeout
...to make it possible to cancel the timeout, you can't just return a promise from later, because promises can't be cancelled.
But we can easily return an object with a cancel method and an accessor for the promise, and reject the promise on cancel:
const later = (delay, value) => {
let timer ...
When to encode space to plus (+) or %20?
... The browser will create a query+name=query+value parameter from a form with <input name="query name" value="query value">. It will not create query%20name from a form, but it's totally safe to use that instead, eg. if you're putting a form submission together youself for an XML...
Where is Java's Array indexOf?
...tinlist The java guys thought of that too. Use Arrays.toList(list).sublist(from,to).indexOf(o) to search for an element within the range [from, to).
– Mario Carneiro
Jan 14 '16 at 22:23
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Get User's Current Location / Coordinates
...nstantiate the CLLocationManager class, like so:
// Ask for Authorisation from the User.
self.locationManager.requestAlwaysAuthorization()
// For use in foreground
self.locationManager.requestWhenInUseAuthorization()
if CLLocationManager.locationServicesEnabled() {
locationManager.delegate =...
What is a database transaction?
...ible) explanation of a transaction as applied to computing (even if copied from Wikipedia)?
11 Answers
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DateTime to javascript date
From another answer on Stackoverflow is a conversion from Javascript date to .net DateTime:
10 Answers
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Defining Z order of views of RelativeLayout in Android
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In Android starting from API level 21, items in the layout file get their Z order both from how they are ordered within the file, as described in correct answer, and from their elevation, a higher elevation value means the item gets a higher Z o...
How to determine when Fragment becomes visible in ViewPager
...seems. Ultimately I get two options Menu's added when I only want the menu from the fragment that is visible. Any suggestions in this regard?
– cYrixmorten
Sep 4 '14 at 0:29
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Non-static variable cannot be referenced from a static context
...ual Machine does not create an instance of the class by creating an object from the class. It just loads the class and starts execution at the main() method.
So you need to create an instance of your class as an object and then you can access the methods and variables of the class that have not bee...