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Checking that a List is not empty in Hamcrest
...rtEquals(new ArrayList<>(0), Arrays.asList("foo", "bar");
you get
java.lang.AssertionError
Expected :[]
Actual :[foo, bar]
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Scalar vs. primitive data type - are they the same thing?
...e, or is it a reference to something that contains the real value?", as in Java's primitive types vs. references. I see this as a somewhat lower-level distinction than scalar/compound, but not quite.
It really depends on context (and frequently what language family is being discussed). To take on...
How to render a PDF file in Android
... the rendering is extremely slow and it's difficult to make it work due to Java-JavaScript communication.
– Miloš Černilovský
Apr 8 '15 at 6:11
1
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Why is Spring's ApplicationContext.getBean considered bad?
...y know all the magic tags defined by Spring. It is not good enough to know Java anymore. This hinders less experience programmers (ie. it is actually poor design to use a more complicated solution when a simpler solution, such as Service Locator, will fulfill the same requirements). Plus, support fo...
Why does sys.exit() not exit when called inside a thread in Python?
... exit" is printed what's bothering you?
Unlike some other languages (like Java) where the analog to sys.exit (System.exit, in Java's case) causes the VM/process/interpreter to immediately stop, Python's sys.exit just throws an exception: a SystemExit exception in particular.
Here are the docs for ...
What is the difference between Step Into and Step Over in the Eclipse debugger?
I want to debug the whole flow of a Java program. What is the difference between F5 (step into) and F6 (step over) in eclipse?
...
Difference between Array and List in scala
... - the immutable analog of Array is IndexedSeq).
If you are coming from a Java background, then the obvious parallel is when to use LinkedList over ArrayList. The former is generally used for lists which are only ever traversed (and whose size is not known upfront) whereas the latter should be used...
Alarm Manager Example
...
MainActivity.java
package com.example.alarmexample;
import android.app.Activity;
import android.app.AlarmManager;
import android.app.PendingIntent;
import android.content.Intent;
import android.os.Bundle;
import android.view...
How can I display a list view in an Android Alert Dialog?
...t
The way to make a traditional single-choice list is to use setItems.
Java version
// setup the alert builder
AlertDialog.Builder builder = new AlertDialog.Builder(context);
builder.setTitle("Choose an animal");
// add a list
String[] animals = {"horse", "cow", "camel", "sheep", "goat"};
buil...
How to specify the default error page in web.xml?
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java.sun.com/xml/ns/javaee/web-app_2_5.xsd specifies no <description> child for the <error-page> element, so pasting the above code as-is in a Servlet 2.5 web.xml will cause XSD validation errors. If I comment the...