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Tomcat startup logs - SEVERE: Error filterStart how to get a stack trace?
....level = INFO
org.apache.catalina.core.ContainerBase.[Catalina].handlers = java.util.logging.ConsoleHandler
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How can I use tabs for indentation in IntelliJ IDEA?
...changed a little:
File > Settings... > Editor > Code Style > Java > Tabs and Indents > Use tab character
File > Other Settings > Default Settings... > Editor > Code Style > Java > Tabs and Indents > Use tab character
File > Settings... > Editor > Co...
Clear android application user data
...tring result = stdoutReader.getResult();
The class StreamReader:
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.concurrent.CountDownLatch;
class StreamReader extends Thread {
private InputStream is;
private StringBuffer mBuffer;...
Why use a prime number in hashCode?
...e number of buckets is unlikely to be divisible by it (and in fact, modern java HashMap implementations keep the number of buckets to a power of 2).
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Virtual member call in a constructor
...
The rules of C# are very different from that of Java and C++.
When you are in the constructor for some object in C#, that object exists in a fully initialized (just not "constructed") form, as its fully derived type.
namespace Demo
{
class A
{
public A()
...
Why doesn't “System.out.println” work in Android?
...sages get lost. In the same way this happens when you run a "traditional" Java application with javaw.
Instead, you can use the Android Log class:
Log.d("MyApp","I am here");
You can then view the log either in the Logcat view in Eclipse, or by running the following command:
adb logcat
It's ...
Do I need to close() both FileReader and BufferedReader?
...
no.
BufferedReader.close()
closes the stream according to javadoc for BufferedReader and InputStreamReader
as well as
FileReader.close()
does.
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How many double numbers are there between 0.0 and 1.0?
...
Java doubles are in IEEE-754 format, therefore they have a 52-bit fraction; between any two adjacent powers of two (inclusive of one and exclusive of the next one), there will therefore be 2 to the 52th power different double...
What's the most efficient way to erase duplicates and sort a vector?
...ntainers are named simply "set" / "map" (analogous to TreeSet / TreeMap in Java); and the hashed associative containers, which were left out of the standard, are called "hash_set" / "hash_map" (SGI STL) or "unordered_set" / "unordered_map" (TR1) (analogous to HashSet and HashMap in Java)
...
count vs length vs size in a collection
...gs.
But no one who was responsible for the naming conventions used by the Java, BCL/.Net, or C/C++ standard frameworks/libraries bothered to ask me, so you're all stuck with whatever they came up with.
If only I were much smarter than I am and was named Bjarne, all of you might be spared the miser...