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How to check if activity is in foreground or in visible background?
...
If targeting API level 14 or above, one can use android.app.Application.ActivityLifecycleCallbacks
public class MyApplication extends Application implements ActivityLifecycleCallbacks {
private static boolean isInterestingActivityVi...
Reading a plain text file in Java
...ethod. You can have a look at the source here:
http://www.docjar.com/html/api/org/apache/commons/io/IOUtils.java.html
FileInputStream inputStream = new FileInputStream("foo.txt");
try {
String everything = IOUtils.toString(inputStream);
} finally {
inputStream.close();
}
And even simpler...
ActiveModel::ForbiddenAttributesError when creating new user
...is also a permit_params in the model register block:
ActiveAdmin.register Api::V1::Person do
permit_params :name, :address, :etc
end
These need to be set along with those in the controller:
def api_v1_person_params
params.require(:api_v1_person).permit(:name, :address, :etc)
end
Otherwise ...
Why dict.get(key) instead of dict[key]?
...
I will give a practical example in scraping web data using python, a lot of the times you will get keys with no values, in those cases you will get errors if you use dictionary['key'], whereas dictionary.get('key', 'return_otherwise') has no problems.
Similarly,...
How to create a custom-shaped bitmap marker with Android map API v2 [duplicate]
I am developing an Android Application where I'm using Google Map API v2. I need to show the user location on a map with custom markers.
...
Reloading the page gives wrong GET request with AngularJS HTML5 mode
...wser-sync/issues/204#issuecomment-102623643
First install connect-history-api-fallback:
npm --save-dev install connect-history-api-fallback
Then add it to your gulpfile.js:
var historyApiFallback = require('connect-history-api-fallback');
gulp.task('serve', function() {
browserSync.init({
...
getting the ng-object selected with ng-change
... int Id { get; set; }
public string Name { get; set; }
}
.NET C# Web Api Controller
public class DepartmentController : BaseApiController
{
[HttpGet]
public HttpResponseMessage Get()
{
var sms = Ctx.Departments;
var vms = new List<DepartmentViewModel>();
...
How to convert Milliseconds to “X mins, x seconds” in Java?
...)
);
If TimeUnit or toMinutes are unsupported (such as on Android before API version 9), use the following equations:
int seconds = (int) (milliseconds / 1000) % 60 ;
int minutes = (int) ((milliseconds / (1000*60)) % 60);
int hours = (int) ((milliseconds / (1000*60*60)) % 24);
//etc...
...
How to find the JVM version from a program?
...cgi" Undocumented
java.specification.name "Java Platform API Specification" "Java Platform API Specification" "Java Platform API Specification" Java Runtime Environment specification name
java.specification.vendor "Oracle Corporation" ...
WebService Client Generation Error with JDK8
...Well, I found the solution. (based on http://docs.oracle.com/javase/7/docs/api/javax/xml/XMLConstants.html#ACCESS_EXTERNAL_SCHEMA)
Create a file named jaxp.properties (if it doesn't exist) under /path/to/jdk1.8.0/jre/lib and then write this line in it:
javax.xml.accessExternalSchema = all
That's...