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How to get unique values in an array
...y? Do I always have to use a second array or is there something similar to java's hashmap in JavaScript?
25 Answers
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Get Maven artifact version at runtime
...ly this doesn't work if the project is run from Eclipse or using "mvn exec:java".
– Jaan
Mar 20 '14 at 8:26
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show 4 more comments
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How to manage startActivityForResult on Android?
...emental answer. See my fuller answer for more explanation.
MainActivity.java
public class MainActivity extends AppCompatActivity {
// Add a different request code for every activity you are starting from here
private static final int SECOND_ACTIVITY_REQUEST_CODE = 0;
@Override
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Why do people use Heroku when AWS is present? What distinguishes Heroku from AWS? [closed]
...ally looked at was Google App Engine - at the time I was looking to deploy Java applications, and the amount of restrictions on usable frameworks and technologies was incredibly off-putting. This is more than "just a Java thing" - the amount of general restrictions and necessary considerations (the ...
Understanding colors on Android (six characters)
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Going off the answer from @BlondeFurious, here is some Java code to get each hexadecimal value from 100% to 0% alpha:
for (double i = 1; i >= 0; i -= 0.01) {
i = Math.round(i * 100) / 100.0d;
int alpha = (int) Math.round(i * 255);
String hex = Integer.toHexString(...
Why does “while(true)” without “Thread.sleep” cause 100% CPU usage on Linux but not on Windows?
I have created a simple program in java:
1 Answer
1
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How do I set the timeout for a JAX-WS webservice client?
...n.xml.internal.ws.developer.JAXWSProperties and (at least on 32-bit Linux) javac 1.6.0_27 and javac 1.7.0_03 fail to compile this code (similar to bugs.sun.com/view_bug.do?bug_id=6544224 )... you need to pass -XDignore.symbol.file to javac to make it work.
– JavaGuy
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When to use an assertion and when to use an exception
... where it doesn't matter at all if someone turns them off. (Note that the java command turns off all assertions by default.)
Use regular tests for any kind of checks what shouldn't be turned off. This includes defensive checks that guard against potential damage cause by bugs, and any validation d...
How do I add a Fragment to an Activity with a programmatically created content view
...em with that code. A fragment cannot be declared that way, inside the same java file as the activity but not as a public inner class. The framework expects the fragment's constructor (with no parameters) to be public and visible. Moving the fragment into the Activity as an inner class, or creating a...
How to get domain URL and application name?
...ake use of the HTML <base> tag:
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions" %>
<c:set var="req" value="${pageContext.request}" />
<c:set var="url">${req.requestURL}</c:set>
<...