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Best way of invoking getter by reflection
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I think this should point you towards the right direction:
import java.beans.*
for (PropertyDescriptor pd : Introspector.getBeanInfo(Foo.class).getPropertyDescriptors()) {
if (pd.getReadMethod() != null && !"class".equals(pd.getName()))
System.out.println(pd.getReadMethod().i...
Seeking clarification on apparent contradictions regarding weakly typed languages
...ut "02" lt 10, while "02" == 2). (Mind you, certain other languages, like JavaScript, try to accommodate Perl-like weak typing while also doing operator overloading. This often leads to ugliness, like the loss of associativity for +.)
(The fly in the ointment here is that, for historical reasons,...
Why use symbols as hash keys in Ruby?
... Fyi, Symbols will be GCd in the next version of Ruby: bugs.ruby-lang.org/issues/9634
– Ajedi32
Sep 30 '14 at 14:46
2
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The Guava library: What are its most useful and/or hidden features? [closed]
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Note that we now have StandardCharsets in Java 7+. I wonder how many other of Guava's features have found their way into Java.
– DavidS
Mar 22 '16 at 23:32
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Check if application is on its first run [duplicate]
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import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.RandomAccessFile;
import java.util.UUID;
import android.content.Context;
public class Util {
// =====...
Using ZXing to create an Android barcode scanning app [duplicate]
....2.1.jar into the libs folder
Click on project: choose "properties" -> "Java Compiler" to change level to 1.7. Then click on "Android" change "Project build target" to android 4.4.2+, because using 1.7 requires compiling with Android 4.4
If "CameraConfigurationUtils.java" don't exist in "zxing-ma...
Set up adb on Mac OS X
...DK:
sudo port install android
Run the SDK manager:
sh /opt/local/share/java/android-sdk-macosx/tools/android
Uncheck everything but Android SDK Platform-tools (optional)
Install the packages, accepting licenses. Close the SDK Manager.
Add platform-tools to your path; in MacPorts, they're in ...
Format a date using the new date time API
...calTime, how do you perform formatting without running into this exception java.time.temporal.UnsupportedTemporalTypeException: Unsupported field: DayOfWeek
– samuel owino
Jan 11 at 23:11
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Why are data transfer objects (DTOs) an anti-pattern?
...slightly different format than a native business object.
I know this is a Java-oriented question, but in .NET languages anonymous types, serialization, and LINQ allow DTOs to be constructed on-the-fly, which reduces the setup and overhead of using them.
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What is the exact problem with multiple inheritance?
...her multiple inheritance should be included into the next version of C# or Java. C++ folks, who are fortunate enough to have this ability, say that this is like giving someone a rope to eventually hang themselves.
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