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What is database pooling?
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Connection Pooling concept not only in Java but across many programming languages. Creating a new connection object is costly so a fixed number of connections are made and maintained in lifecycle creating a virtual pool
Java Just ( http://javajust.com/javaques.ht...
Get Android .apk file VersionName or VersionCode WITHOUT installing apk
...red from the following topic: Efficient way to compare version strings in Java
/**
* Compare 2 version strings and tell if the first is higher, equal or lower
* Source: https://stackoverflow.com/questions/6701948/efficient-way-to-compare-version-strings-in-java
*
* @param ver1 Reference versi...
ADB Shell Input Events
... versions, for example for 4.2.2 we can find them in android.view.KeyEvent.java, where they number up to 219.
– not2qubit
Mar 14 '15 at 20:45
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Is there a way to quickly capitalize the variable name in Eclipse
... and vice-versa are unlikely to occur unless someone has been ignoring the Java style guidelines. (I rarely encounter such code, and when I do my initial reaction is to write off the code as beyond salvage.)
fooBar -> FOO_BAR and vice-versa are plausible, but pretty unusual.
foobar -> fooBar ...
Exotic architectures the standards committees care about
... @Nikita - They do now. Initially it was an (expensive) add-on to support Java.
– Bo Persson
Mar 29 '17 at 16:14
1
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What is the purpose of Looper and how to use it?
...application, and you can learn more about it in "Concurrent Programming in Java" by Doug Lea(Especially, chapter 4.1.4 "Worker Threads" would be helpful). Also, you can imagine this kind of mechanism is not unique in Android framework, but all GUI framework may need somewhat similar to this. You can...
Difference between “managed” and “unmanaged”
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@JacksonTale Java is not in the context of .NET thus the concept of it being managed or unmanaged isn't applicable. See stackoverflow.com/questions/1326071/… for an explanation of how Java compiles.
– Evan Frisch
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log4j vs logback [closed]
...ogging, slf4j or even the Log4j 2.0 API) and implementations (Log4j 1 + 2, java.util.logging, TinyLog, Logback).
Basically you should replace your selfmade wrapper with slf4j IF and only IF you are not happy with it for some reason. While Apache Commons Logging is not really providing a modern API,...
How to draw a line in android
...draws 2 lines which form a cross on the top left of the screen:
DrawView.java
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.view.View;
public class DrawView extends View {
Paint paint = new Paint()...
What is __gxx_personality_v0 for?
...personality routine is for C++ exception handling (as opposed to, say, gcj/Java exception handling).
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