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Get context of test project in Android junit test case
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I get java.lang.NoSuchMethodException: android.test.ServiceTestCase.getTestContext()
– kurdtpage
May 23 '18 at 4:28
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How can I check whether an array is null / empty?
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I am from .net background. However, java/c# are more/less same.
If you instantiate a non-primitive type (array in your case), it won't be null.
e.g. int[] numbers = new int[3];
In this case, the space is allocated & each of the element has a default value ...
What is the Scala annotation to ensure a tail recursive function is optimized?
...tricks):
C:\Prog\Scala\tests>scala
Welcome to Scala version 2.8.0.RC5 (Java HotSpot(TM) 64-Bit Server VM, Java 1.6.0_18).
Type in expressions to have them evaluated.
Type :help for more information.
scala> import scala.annotation.tailrec
import scala.annotation.tailrec
scala> class Tails...
What are the precise rules for when you can omit parenthesis, dots, braces, = (functions), etc.?
... ‘=’. Why an
equals sign? Why not just curly braces
{…}, like in Java? Because semicolons,
function return types, method
arguments lists, and even the curly
braces are sometimes omitted, using an
equals sign prevents several possible
parsing ambiguities. Using an equals
sign al...
How to check if a json key exists?
...has":
http://developer.android.com/reference/org/json/JSONObject.html#has(java.lang.String)
Returns true if this object has a mapping for name. The mapping may be NULL.
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How to randomize two ArrayLists in the same fashion?
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This is the Java, object oriented solution. Perhaps, how it should be done... :)
– Evan
Feb 5 '13 at 0:45
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How to change Android version and code version number?
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Is there a way to access the versionname in Java?
– Mark Molina
Jun 13 '14 at 9:33
Do w...
Eclipse Workspaces: What for and why?
...provide you with my vision of somebody who feels very uncomfortable in the Java world, which I assume is also your case.
What it is
A workspace is a concept of grouping together:
a set of (somehow) related projects
some configuration pertaining to all these projects
some settings for Eclipse itself...
Multi-gradient shapes
...works, haha. Right now it works in XML, but should be doable for shapes in Java as well. It's kind of complex, and I imagine there's a way to simplify it into a single shape, but this is what I've got for now:
green_horizontal_gradient.xml
<?xml version="1.0" encoding="utf-8"?>
<shape
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Postgres: “ERROR: cached plan must not change result type”
...ot change result type when trying to solve the problem in the context of a Java / JDBC application.
I was able to reliably reproduce the error by running schema upgrades (i.e. DDL statements) while my back-end app that used the DB was running. If the app was querying a table that had been changed ...