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Is there a way for non-root processes to bind to “privileged” ports on Linux?
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Yes @C.Ross since it would have to be applied to /usr/bin/java and then would open the capability to any java app running on the system. Too bad capabilities cannot also be set per-user.
– joeytwiddle
Aug 15 '13 at 11:02
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Elasticsearch query to return all records
...btained page
https://gist.github.com/drorata/146ce50807d16fd4a6aa
Using java client
import static org.elasticsearch.index.query.QueryBuilders.*;
QueryBuilder qb = termQuery("multi", "test");
SearchResponse scrollResp = client.prepareSearch(test)
.addSort(FieldSortBuilder.DOC_FIELD_NAM...
Difference between final static and static final
... difference at all. According to
8.3.1 - Classes - Field Modifiers of the Java Language Specification,
If two or more (distinct) field modifiers appear in a field declaration, it is customary, though not required, that they appear in the order consistent with that shown above in the production ...
Default visibility of class methods in PHP
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Also of note, on languages such as Java, were the default is package-private, one always wonders if it's package-private by design, or the developer just forgot to specify it (specially when dealing with not-so-senior developers). That's why PMD includes rules...
Why can't a 'continue' statement be inside a 'finally' block?
... and goto (when going to a label outside the finally block). For a related Java discussion, see Returning from a finally block in Java.
– Jeppe Stig Nielsen
Aug 1 '13 at 15:27
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static constructors in C++? I need to initialize private static objects
...ate static data member (a vector that contains all the characters a-z). In java or C#, I can just make a "static constructor" that will run before I make any instances of the class, and sets up the static data members of the class. It only gets run once (as the variables are read only and only need ...
Fragment Inside Fragment
... android:layout_height="200dp"/>
</LinearLayout>
MainActivity.java
Load the parent fragment and implement the fragment listeners. (See fragment communication.)
import android.support.v4.app.FragmentTransaction;
import android.support.v7.app.AppCompatActivity;
public class MainActivit...
Write a function that returns the longest palindrome in a given string
...he inner while loop is O(n) (max around (n / 2) - 1 iterations)
Here's my Java implementation using the example provided by other users.
class LongestPalindrome {
/**
* @param input is a String input
* @return The longest palindrome found in the given input.
*/
public stati...
What does it mean to inflate a view from an xml file?
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A layman definition for inflation might be to convert the XML code to Java code. Just a way to understand, e.g., if we have a tag in XML, OS has to create a corresponding Java object in memory, so inflatter reads the XMLtags, and creates the corresponding objects in Java.
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Boolean.hashCode()
...r in hashCode?
What is a sensible prime for hashcode calculation?
Why does Java's hashCode() in String use 31 as a multiplier?
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