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Sprintf equivalent in Java
... that are perfect as instance methods, take String.Length()
int length = "123".Length();
In this situation, it's obvious we are not trying to modify "123", we are just inspecting it, and returning its length. This is a perfect candidate for an instance method.
My simple rules for Instance Method...
Drawing a line/path on Google Maps
...nswered Oct 20 '10 at 5:08
richa123richa123
21122 silver badges22 bronze badges
...
`ui-router` $stateParams vs. $state.params
...stateParams = {};
stateParams.nextParams = $stateParams; //{item_id:123}
stateParams.next = $state.current.name;
$state.go('app.login', stateParams);
//$stateParams.nextParams on app.login is now:
//{next:'app.details', nextParams:{next:'app.details'}}
When using $state.params:
var ...
How to get hosting Activity from a view?
...
I like this solution written in Kotlin
tailrec fun Context?.getActivity(): Activity? = when (this) {
is Activity -> this
else -> (this as? ContextWrapper)?.baseContext?.getActivity()
}
Usage in View class
context.getActivity()
Decompiled code:
public stati...
What does ~~ (“double tilde”) do in Javascript?
...umbers.
Math.trunc(13.37) // 13
Math.trunc(42.84) // 42
Math.trunc(0.123) // 0
Math.trunc(-0.123) // -0
Math.trunc("-1.123")// -1
Math.trunc(NaN) // NaN
Math.trunc("foo") // NaN
Math.trunc() // NaN
The polyfill:
function trunc(x) {
return x < 0 ? Math.ceil(x) : Math....
How to remove an item from an array in AngularJS scope?
...-click="delete($index)">Delete</a>
Controller:
$scope.delete = function ( idx ) {
var person_to_delete = $scope.persons[idx];
API.DeletePerson({ id: person_to_delete.id }, function (success) {
$scope.persons.splice(idx, 1);
});
};
...
How to go about formatting 1200 to 1.2k in java
..., 999, 1_000, -5_821, 10_500, -101_800, 2_000_000, -7_800_000, 92_150_000, 123_200_000, 9_999_999, 999_999_999_999_999_999L, 1_230_000_000_000_000L, Long.MIN_VALUE, Long.MAX_VALUE};
String[] expected = {"0", "5", "999", "1k", "-5.8k", "10k", "-101k", "2M", "-7.8M", "92M", "123M", "9.9M", "999P", "...
Getting started with F# [closed]
...kering (May 2007)
Beginning F# by Robert Pickering (Dec 2009)
Real World Functional Programming by Tomas Petricek & Jon Skeet (Jan 2010)
Visual F# 2010 For Technical Computing by Dr Jon Harrop (Apr 2010)
Friendly F# by Giulia Costantini and Giuseppe Maggiore (Aug 2011)
Tools needed
Visual ...
How to properly URL encode a string in PHP?
...le:
$dataString = "https://www.google.pl/search?q=PHP is **great**!&id=123&css=#kolo&email=me@liszka.com)";
$dataStringUrlEncodedRFC1738 = UrlEncoder::encode($dataString, UrlEncoder::STANDARD_RFC1738);
$dataStringUrlEncodedRFC3986 = UrlEncoder::encode($dataString, UrlEncoder::STANDARD_R...
How to check if a string contains only digits in Java [duplicate]
... all be "true"
System.out.println("1".matches(regex));
System.out.println("12345".matches(regex));
System.out.println("123456789".matches(regex));
// negative test cases, should all be "false"
System.out.println("".matches(regex));
System.out.println("foo".matches(regex));
System.out.println("aa123...