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HashMap with multiple values under the same key
...ide.
Examples
1. Map with list as the value
// create our map
Map<String, List<Person>> peopleByForename = new HashMap<>();
// populate it
List<Person> people = new ArrayList<>();
people.add(new Person("Bob Smith"));
people.add(new Person("Bob Jones"));
peopl...
How can I parse a local JSON file from assets folder into a ListView?
...rom your assests file using below code.
and then you can simply read this string return by this function as
public String loadJSONFromAsset() {
String json = null;
try {
InputStream is = getActivity().getAssets().open("yourfilename.json");
int size = is.available();
...
NodeJS - What does “socket hang up” actually mean?
I'm building a web scraper with Node and Cheerio, and for a certain website I'm getting the following error (it only happens on this one website, no others that I try to scrape.
...
How to close tag properly?
...es the tag properly. Best to add the alt attribute for people that are visually impaired.
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How to capitalize the first character of each word in a string
...ion built into Java that capitalizes the first character of each word in a String, and does not affect the others?
51 Answe...
How to prevent custom views from losing state across screen orientation changes
...ndle = new Bundle();
// The vars you want to save - in this instance a string and a boolean
String someString = "something";
boolean someBoolean = true;
State state = new State(super.onSaveInstanceState(), someString, someBoolean);
bundle.putParcelable(State.STATE, state);
re...
Java: splitting a comma-separated string but ignoring commas in quotes
I have a string vaguely like this:
11 Answers
11
...
Should try…catch go inside or outside a loop?
... to the loop itself!
class Parsing
{
public static Float MyParseFloat(string inputValue)
{
try
{
return Float.parseFloat(inputValue);
}
catch ( NumberFormatException e )
{
return null;
}
}
// .... your code
...
Clear Application's Data Programmatically
... (ActivityManager)activity.getSystemService(Context.ACTIVITY_SERVICE);
String myProcessPrefix = activity.getApplicationInfo().processName;
String myProcessName = activity.getPackageManager().getActivityInfo(activity.getComponentName(), 0).processName;
for (ActivityManager.RunningAppProce...
SQL UPDATE all values in a field with appended string CONCAT not working
...iguous example would be: UPDATE table SET column_name=concat(column_name, 'string');
– Kiky Rodriguez
Dec 11 '18 at 19:09
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