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Example: Communication between Activity and Service using Messaging
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Your Service returns an instance of itself to consumers who call onBind. Then you can directly interact with the service, e.g. registering your own listener interface with the service, so that you can get callbacks.
share
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Android SharedPreference security
...such access to your preferences (or any data written by your application), then you will want to encrypt it. If you are that concerned about them, you're going to need to figure out exactly how much protection is necessary for the level of risk you see. There is a very extensive discussion about thi...
How does StartCoroutine / yield return pattern really work in Unity?
...d do something, do yield return new WaitForSeconds(1); to wait a second, then do something else.
6 Answers
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How to Vertical align elements in a div?
...y entire stylesheets from some example, sometimes even the example HTML an then remove and rename elements one after each other until it's what I needed. Not the case for this site!
– konstantin
Apr 4 at 13:46
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C++ template constructor
...l German... and definitely not in Johannes' words. If they sound humorless then just because C++ is humorless.
– Andreas Spindler
Sep 8 '16 at 10:12
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How to execute a JavaScript function when I have its name as a string
... elegant way of doing this is by defining your functions in a hash object. Then you can have a reference to those functions from the hash using the string. e.g.
var customObject = {
customFunction: function(param){...}
};
Then you can call:
customObject['customFunction'](param);
Where custom...
Can a foreign key be NULL and/or duplicate?
...fferent topic (the employee - insurance example @tbone gave for instance), then you want separate tables with a FK. You would then want to make this FK either also the PK (which guarantees uniqueness) or put a unique constraint on it.
Most FKs are for a one to many relationship and that is what yo...
What is DOM Event delegation?
...nd any event listeners
found there are triggered. Bubbling
events will then trigger any
additional event listeners found by
following the EventTarget's parent
chain upward, checking for any event
listeners registered on each
successive EventTarget. This upward
propagation will contin...
maximum value of int
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In C++:
#include <limits>
then use
int imin = std::numeric_limits<int>::min(); // minimum value
int imax = std::numeric_limits<int>::max();
std::numeric_limits is a template type which can be instantiated with other types:
float fmin =...
How can I check if a background image is loaded?
I want to set a background image on the body tag, then run some code - like this:
10 Answers
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