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How to permanently set $PATH on Linux/Unix? [closed]
...ide directories like /usr/local/something/bin to PATH variable or defining JAVA_HOME. Used by PAM and SystemD.
/etc/environment.d/*.conf List of unique assignments, allows references. Perfect for adding system-wide directories like /usr/local/something/bin to PATH variable or defining JAVA_HOME. Th...
Possible heap pollution via varargs parameter
I understand this occurs with Java 7 when using varargs with a generic type;
5 Answers
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Final arguments in interface methods - what's the point?
In Java, it is perfectly legal to define final arguments in interface methods and do not obey that in the implementing class, e.g.:
...
2D cross-platform game engine for Android and iOS? [closed]
... done. You can use any JVM language you like. Here's a 13 part tutorial in Java, and here's a bunch using jruby. There's a good skeletal animation tool that works with it here, and it has baked in support for tiled TMX maps as well. The ui framework is awesome, and it has a scene graph and actor sty...
How can I count occurrences with groupBy?
...h each group... and then Collectors.counting() to do the counting:
import java.util.*;
import java.util.stream.*;
class Test {
public static void main(String[] args) {
List<String> list = new ArrayList<>();
list.add("Hello");
list.add("Hello");
list...
Why JSF saves the state of UI components on server?
...wing context param in web.xml:
<context-param>
<param-name>javax.faces.STATE_SAVING_METHOD</param-name>
<param-value>client</param-value>
</context-param>
It will then be serialized to an encrypted string in a hidden input field with the name javax.faces....
Find first element by predicate
I've just started playing with Java 8 lambdas and I'm trying to implement some of the things that I'm used to in functional languages.
...
Jelly Bean DatePickerDialog — is there a way to cancel?
... Issue 34833.
I've found that the problem is possibly in DatePickerDialog.java. Where it reads:
private void tryNotifyDateSet() {
if (mCallBack != null) {
mDatePicker.clearFocus();
mCallBack.onDateSet(mDatePicker, mDatePicker.getYear(),
mDatePicker.getMonth(), m...
How can I list ALL grants a user received?
... 22, 'LIBRARY', 23, 'DIRECTORY', 24, 'QUEUE',
28, 'JAVA SOURCE', 29, 'JAVA CLASS', 30, 'JAVA RESOURCE',
32, 'INDEXTYPE', 33, 'OPERATOR',
34, 'TABLE SUBPARTITION', 35, 'INDEX SUBPARTITION',
40, 'LOB PARTITION...
When exactly is it leak safe to use (anonymous) inner classes?
...Classes: Introduction
As I'm not sure how comfortable you are with OOP in Java, this will hit a couple of basics. A nested class is when a class definition is contained within another class. There are basically two types: Static Nested Classes and Inner Classes. The real difference between these ar...