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java.lang.RuntimeException: Can't create handler inside thread that has not called Looper.prepare();
...>"You are getting late do it fast"</string>
In YourWorkerThread.java
Toast.makeText(getApplicationContext(), getString(R.string.idleness_toast),
Toast.LENGTH_LONG).show();
Don't use AlertDialog, make a choice. AlertDialog and Toast are two different things.
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Easy way of running the same junit test over and over?
...ic void testMyCode() {
//your test code goes here
}
}
Repeat.java
import static java.lang.annotation.ElementType.ANNOTATION_TYPE;
import static java.lang.annotation.ElementType.METHOD;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang...
How to convert / cast long to String?
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Nice, but note that java.util.Objects is only available since Java 7.
– Guillaume Husta
Jul 23 '14 at 9:12
1
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Why is IntelliJ 13 IDEA so slow after upgrading from version 12?
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MaxPermSize is ignored since Java 8.
– user2418306
Apr 4 '16 at 11:11
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show 11 more comments
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How do I invoke a Java method when given the method name as a string?
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Coding from the hip, it would be something like:
java.lang.reflect.Method method;
try {
method = obj.getClass().getMethod(methodName, param1.class, param2.class, ..);
} catch (SecurityException e) { ... }
catch (NoSuchMethodException e) { ... }
The parameters identify...
Manipulating an Access database from Java without ODBC
...nt to manipulate a Microsoft Access database (.accdb or .mdb file) from my Java project. I don't want to use the JDBC-ODBC Bridge and the Access ODBC driver from Microsoft because:
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How to make pipes work with Runtime.exec()?
...ocess".
At least with "ls" you have a language-independent (albeit slower) Java replacement. Eg.:
File f = new File("C:\\");
String[] files = f.listFiles(new File("/home/tihamer"));
for (String file : files) {
if (file.matches(.*some.*)) { System.out.println(file); }
}
With "ps", it's a bit ...
Best way to convert list to comma separated string in java [duplicate]
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Java doesn't support single quotes
– Passionate Engineer
Oct 18 '15 at 15:21
10
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How to subtract X day from a Date object in Java?
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Java 8 and later
With Java 8's date time API change, Use LocalDate
LocalDate date = LocalDate.now().minusDays(300);
Similarly you can have
LocalDate date = someLocalDateInstance.minusDays(300);
Refer to https://stackov...
How to simplify a null-safe compareTo() implementation?
...s (to be able to use Collections.sort() and other goodies offered by the Java platform):
17 Answers
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