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How do I shuffle an array in Swift?
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I added if count > 0 at the top of the mutating array function, to prevent receiving a "fatal error: Can't form Range with end < start" when it is passed an empty array.
– Carl Smith
Jun 30 '15 at 0:00
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What is the purpose of Looper and how to use it?
...out why the Looper class would ever be used. I'm not sure why it isn't the top answer, the three higher-rated answers explain nothing.
– Andrew Koster
May 10 '16 at 4:51
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Adding two Java 8 streams, or an extra element to a stream
... collect is a final operation that consumes all elements of the stream. On top of that, the collector concat creates an intermediate ArrayList each time it is used in the chain. Both operations can have a significant impact on the behaviour of your program. However, if readability is more important ...
Populating spinner directly in the layout xml
... android:layout_height="wrap_content"
android:drawSelectorOnTop="true"
android:entries="@array/array_name"
/>
I've heard this doesn't always work on the designer, but it compiles fine.
share
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How can I get sin, cos, and tan to use degrees instead of radians?
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Calling a class function inside of __init__
... Neither is your code. Unless you put the @staticmethod decorator on top of parse_file
– rantanplan
Sep 28 '12 at 19:46
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How do I execute a string containing Python code in Python?
...l in Python is highly frowned upon.
There are better alternatives
From the top answer (emphasis mine):
For statements, use exec.
When you need the value of an expression, use eval.
However, the first step should be to ask yourself if you really need to. Executing code should generally be the positi...
Difference between @Before, @BeforeClass, @BeforeEach and @BeforeAll
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How can I remove an SSH key?
... worked perfectly, summarizing for my version:
Click on Activities tab on top left corner
On the search box that comes up, begin typing "startup applications"
Click on the "Startup Applications" icon
On the box that pops up, select the gnome key ring manager application (can't remember the exact na...
How to draw a line in android
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This one draws 2 lines which form a cross on the top left of the screen:
DrawView.java
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.view.View;
public class DrawView extends V...