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When should a class be Comparable and/or Comparator?
...ring itself with another object. The class itself must implements the java.lang.Comparable interface in order to be able to compare its instances.
Comparator
A comparator object is capable of comparing two different objects. The class is not comparing its instances, but some other class’s instan...
Streaming video from Android camera to server
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It gives me Errors.. like, java.lang.UnsatisfiedLinkError: Couldn't load teaonly: findLibrary returned null.. If anyone has solution then please share it. Thanks
– anddev
Mar 19 '12 at 10:04
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Escape a dollar sign in string interpolation
...documentation. There is a PR to add it though: github.com/scala/docs.scala-lang/pull/1531
– amoebe
Sep 25 '19 at 17:12
1
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Convert timestamp in milliseconds to string formatted time in Java
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It is possible to use apache commons (commons-lang3) and its DurationFormatUtils class.
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>3.1</version>
</dependency>
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How do I get the first n characters of a string without checking the size or going out of bounds?
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Don't reinvent the wheel...:
org.apache.commons.lang.StringUtils.substring(String s, int start, int len)
Javadoc says:
StringUtils.substring(null, *, *) = null
StringUtils.substring("", * , *) = "";
StringUtils.substring("abc", 0, 2) = "ab"
StringUtils.substri...
IntelliJ IDEA generating serialVersionUID
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i have a lot of exceptions there.. like java.lang.NoClassDefFoundError: org/intellij/lang/annotations/MagicConstant;
– Kirill Bazarov
Oct 16 '12 at 10:58
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How to check if a string contains only digits in Java [duplicate]
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Note to import org.apache.commons.lang.math.NumberUtils instead of org.apache.commons.lang.NumberUtils which is deprecated.
– Lucky
Mar 12 '16 at 14:39
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StringFormat Localization issues in wpf
... en-US as the culture, regardless of the system settings.
FrameworkElement.LanguageProperty.OverrideMetadata(
typeof(FrameworkElement),
new FrameworkPropertyMetadata(
XmlLanguage.GetLanguage(CultureInfo.CurrentCulture.IetfLanguageTag)));
From Creating an Internationalized Wiz...
Android: android.content.res.Resources$NotFoundException: String resource ID #0x5
... android.app.ActivityThread.main(ActivityThread.java:5254)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903)
at com.android.internal....
Android Crop Center of Bitmap
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E/AndroidRuntime(30010): Caused by: java.lang.IllegalArgumentException: x + width must be <= bitmap.width() and this because of 4 times 100px
– Stan
Jul 14 '13 at 15:03
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