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adding multiple entries to a HashMap at once in one statement
... Brace Initialization as shown below:
Map<String, Integer> hashMap = new HashMap<String, Integer>()
{{
put("One", 1);
put("Two", 2);
put("Three", 3);
}};
As a piece of warning, please refer to the thread Efficiency of Java “Double Brace Initialization" for the performan...
setResult does not work when BACK button pressed
...uperclass, i.e
@Override
public void onBackPressed() {
Bundle bundle = new Bundle();
bundle.putString(FIELD_A, mA.getText().toString());
Intent mIntent = new Intent();
mIntent.putExtras(bundle);
setResult(RESULT_OK, mIntent);
super.onBackPressed();
}
...
Git: Create a branch from unstaged/uncommitted changes on master
...realize it was not so simple and it should have been better to work into a new branch.
6 Answers
...
Simplest way to read json from a URL in java
...atic String readAll(Reader rd) throws IOException {
StringBuilder sb = new StringBuilder();
int cp;
while ((cp = rd.read()) != -1) {
sb.append((char) cp);
}
return sb.toString();
}
public static JSONObject readJsonFromUrl(String url) throws IOException, JSONException {...
What is Model in ModelAndView from Spring MVC?
... object containing bunch of properties.
Example 1
If you have...
return new ModelAndView("welcomePage","WelcomeMessage","Welcome!");
... then in your jsp, to display the message, you will do:-
Hello Stranger! ${WelcomeMessage} // displays Hello Stranger! Welcome!
Example 2
If you have...
M...
Android ListView not refreshing after notifyDataSetChanged
...setHasOptionsMenu(true);
getActivity().setTitle(TITLE);
dbHelper = new DatabaseHandler(getActivity());
adapter = new ItemAdapter(getActivity(), dbHelper.getItems());
setListAdapter(adapter);
}
3) add method in ItemAdapter:
public void swapItems(List<Item> items) {
this.i...
What is syntax for selector in CSS for next element?
...tt
– ProblemsOfSumit
Jul 3 '13 at 8:51
...
Difference between Mock / Stub / Spy in Spock test framework
...ion {
static class Publisher {
List<Subscriber> subscribers = new ArrayList<>()
void addSubscriber(Subscriber subscriber) {
subscribers.add(subscriber)
}
void send(String message) {
for (Subscriber subscriber : subscribers)
subscriber.receive(mess...
'too many values to unpack', iterating over a dict. key=>string, value=>list
... |
edited Oct 19 '17 at 7:51
Maciej Jureczko
1,37466 gold badges1717 silver badges2222 bronze badges
ans...
Change Active Menu Item on Page Scroll?
...ll position
var fromTop = $(this).scrollTop()+topMenuHeight;
// Get id of current scroll item
var cur = scrollItems.map(function(){
if ($(this).offset().top < fromTop)
return this;
});
// Get the id of the current element
cur = cur[cur.length-1];
var id = cur &am...