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navigator.geolocation.getCurrentPosition sometimes works sometimes doesn't
...on the back end.
To ensure that you get a timeout, add the optional third parameter to your call to getCurrentPosition, for example, if you want the user to wait no more than 10 seconds before giving them a clue what is happening, use:
navigator.geolocation.getCurrentPosition(successCallback,error...
Android Shared preferences for creating one time activity (example) [closed]
...t SharedPreferences data
// If value for key not exist then return second param value - In this case null
boolean userFirstLogin= pref.getBoolean("key_name1", true); // getting boolean
int pageNumber=pref.getInt("key_name2", 0); // getting Integer
float amount=pref.getFloat("key_name3...
Why is my Spring @Autowired field null?
...emo {
@Autowired
private MyService myService;
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
System.out.println("test");
ApplicationContext ctx=new ClassPathXmlApplicationContext("spring....
AngularJS - Value attribute on an input text box is ignored when there is a ng-model used?
...() on fields without a ngModel attributes.
Corrected the assign() function param order.
app.directive('input', function ($parse) {
return {
restrict: 'E',
require: '?ngModel',
link: function (scope, element, attrs) {
if (attrs.ngModel && attrs.value) {
$parse(at...
What is the purpose of a self executing function in javascript?
...works.
When you wrap a function definition in parentheses, and include a parameter list (another set or parentheses!) it acts as a function call.
So lets look at our code again, with some self-executing syntax:
(function main() {
var userName = "Sean";
console.log(name());
function n...
When do you need to explicitly call a superclass constructor?
...structor to call if:
You want to call a superclass constructor which has parameters
You want to chain to another constructor in the same class instead of the superclass constructor
You claim that:
At the same time I've also seen instances on here where someone's problem was not explicitly ca...
Update Row if it Exists Else Insert Logic with Entity Framework
...c void AddOrUpdate<TEntity>(
this IDbSet<TEntity> set,
params TEntity[] entities
)
where TEntity : class
which by the doc:
Adds or updates entities by key when SaveChanges is called. Equivalent
to an "upsert" operation from database terminology. This method can be
usefu...
Why use a ReentrantLock if one can use synchronized(this)?
...d scheduling.
The constructor for this class accepts an optional fairness parameter. When set true, under contention, locks favor granting access to the longest-waiting thread. Otherwise this lock does not guarantee any particular access order. Programs using fair locks accessed by many threads may...
Undefined reference to static class member
...constant which you can't take the address of, and vector takes a reference param.
– Evan Teran
Nov 7 '08 at 18:08
10
...
Convert java.util.Date to java.time.LocalDate
... * <li>{@link java.time.Instant}
* </ul>
*
* @param zone Time zone, used only if the input object is LocalDate or LocalDateTime.
*
* @return {@link java.util.Date} (exactly this class, not a subclass, such as java.sql.Date)
*/
public static java.util....