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What happens when a duplicate key is put into a HashMap?
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So if you don't assign the returned value when calling mymap.put("1", "a string"), it just becomes unreferenced and thus eligible for garbage collection.
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Android Center text on canvas
... Rect r = new Rect();
private void drawCenter(Canvas canvas, Paint paint, String text) {
canvas.getClipBounds(r);
int cHeight = r.height();
int cWidth = r.width();
paint.setTextAlign(Paint.Align.LEFT);
paint.getTextBounds(text, 0, text.length(), r);
float x = cWidth / 2f - r...
How to override equals method in Java
...@param args the command line arguments
*/
public static void main(String[] args) {
// TODO code application logic here
ArrayList<Person> people = new ArrayList<Person>();
people.add(new Person("Subash Adhikari", 28));
people.add(new Person("K", 28...
PHP's array_map including keys
...a"; });
var_dump($test_array);
// array(2) {
// ["first_key"]=>
// string(27) "first_key loves first_value"
// ["second_key"]=>
// string(29) "second_key loves second_value"
// }
It does change the array given as parameter however, so it's not exactly functional programming (as you ...
Determine the number of lines within a text file
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Small note: because String is a reference type the array would be the size of the number of lines x the size of a pointer, but you're correct that it still needs to store the text, each line as a single String object.
– Mik...
Avoid web.config inheritance in child web application using inheritInChildApplications
...e inheritance. For example:
<!-- disable inheritance for the connectionStrings section -->
<location path="." inheritInChildApplications="false">
<connectionStrings>
</connectionStrings>
</location>
<!-- leave inheritance enabled for appSettings -->
<ap...
How to extract the decision rules from scikit-learn decision-tree?
...e output for a tree that is trying to return its input, a number between 0 and 10.
def tree(f0):
if f0 <= 6.0:
if f0 <= 1.5:
return [[ 0.]]
else: # if f0 > 1.5
if f0 <= 4.5:
if f0 <= 3.5:
return [[ 3.]]
else: # if f0 > 3.5
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Random record in ActiveRecord
I'm in need of getting a random record from a table via ActiveRecord. I've followed the example from Jamis Buck from 2006 .
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How do I change the android actionbar title and icon
...er, if they're the same icon. As for what it says, add or change whatever strings match up to that in your res/values/strings.xml file. Then, once again in your AndroidManifest.xml file, change this line:
android:label="@string/app_name"
to whatever the string you have in their. You'll have to...
Getting the name of the currently executing method
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Technically this will work...
String name = new Object(){}.getClass().getEnclosingMethod().getName();
However, a new anonymous inner class will be created during compile time (e.g. YourClass$1.class). So this will create a .class file for each method th...