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How to set up Spark on Windows?
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I get "java.lang.IllegalArgumentException: Error while instantiating 'org.apache.spark.sql.hive.HiveSessionState'". Do I need an extra step for installing hive?
– Stefan
Mar 31 '17 at 19:52
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How do I use a custom Serializer with Jackson?
... With this I get the same error: Exception in thread "main" java.lang.IllegalArgumentException: JsonSerializer of type com.example.JsonTest$UserSerilizer does not define valid handledType() (use alternative registration method?) at org.codehaus.jackson.map.module.SimpleSerializers.addSeri...
Who is calling the Java Thread interrupt() method if I'm not?
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You could learn this by creating your own thread class (extending java.lang.Thread) and overriding interrupt() method, in which you record the stacktrace into, say, a String field, and then transfer to super.interrupt().
public class MyThread extends Thread {
public volatile String interru...
Wrapping null-returning method in Java with Option in Scala?
... with Java objects it won't work as expected:
val nullValueInteger : java.lang.Integer = null
val option: Option[Int] = Option(nullValueInteger)
println(option) // Doesn't work - zero value on conversion
val nullStringValue : String = null
val optionString: Option[String] = Option(nullStringValue...
How can I restart a Java application?
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import java.io.File;
import java.io.IOException;
import java.lang.management.ManagementFactory;
public class Main {
public static void main(String[] args) throws IOException, InterruptedException {
StringBuilder cmd = new StringBuilder();
cmd.append(System.getPrope...
How do I raise a Response Forbidden in django
...enied
def index(request):
html = """
<!DOCTYPE html>
<html lang="en">
<body>
<ul>
<li><a href="/">home</a></li>
<li><a href="?action=raise403">Raise Error 403</a></li>
<li><a href="?...
How to convert CharSequence to String?
...ing() looking at the definition in libcore/ojluni/src/main/java/java/lang/String.java public static String valueOf(Object obj) { return (obj == null) ? "null" : obj.toString(); }
– Padmanabha V
Jul 2...
How do I use CSS in Django?
...ing waaay late to the party. I wonder how they would rate my posts to comp.lang.c in, oh let's say, 1987? Better not to ask.
– Peter Rowell
Feb 24 '13 at 1:52
add a comment
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How to know if other threads have finished?
...een started and has not yet died" - docs.oracle.com/javase/6/docs/api/java/lang/…). It would also contradict the answers here (stackoverflow.com/questions/17293304/…)
– Stephen
Mar 23 '18 at 22:37
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What is the difference between Culture and UICulture?
...he . is a decimal point
UICulture affects which resource file (Resources.lang.resx) is going to be loaded to by your application.
So to load German resources (presumably localized text) you would set UICulture to the German culture and to display German formatting (without any impact on which res...