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Convert light frequency to RGB?
...
For lazy guys (like me), here is an implementation in java of the code found in @user151323 's answer (that is, just a simple translation from pascal code found in Spectra Lab Report):
static private final double Gamma = 0.80;
static private final double IntensityMax = 255;
/**...
Using the “animated circle” in an ImageView while loading stuff
...centerVertical="true" />
</RelativeLayout>
And in MainActivity.java:
package com.fcchyd.linkletandroid;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import java.u...
Is 1.0 a valid output from std::generate_canonical?
...iKaronen: For sufficiently small angles, sin(x) is simply x. My squawk at Java's sine function relates to is with angles that are near multiples of pi. I would posit that 99% of the time, when code asks for sin(x), what it really wants is the sine of (π/Math.PI) times x. The people maintaining Jav...
How do you change text to bold in Android?
...lic
You can only use specific fonts sans, serif & monospace via xml, Java code can use custom fonts
android:typeface="monospace" // or sans or serif
Programmatically (Java code)
TextView textView = (TextView) findViewById(R.id.TextView1);
textView.setTypeface(Typeface.SANS_SERIF); //only ...
Finding which process was killed by Linux OOM killer
...killed by oom mechanism
dstat --top-oom
--out-of-memory---
kill score
java 77
java 77
java 77
and as per man page
--top-oom
show process that will be killed by OOM the first
...
How do I manage MongoDB connections in a Node.js web application?
...ch is NOT the place for a database connection object. (Given the nature of JavaScript I would consider it highly dangerous to mix in anything to an object constructed by library code). So with that you only need to Consider a module that exports two methods. connect = () => Promise and get = () =...
Initialising mock objects - MockIto
...e MockitoAnnotations.initMocks are strictly equivalent solutions. From the javadoc of the MockitoJUnitRunner :
JUnit 4.5 runner initializes mocks annotated with Mock, so that explicit usage of MockitoAnnotations.initMocks(Object) is not necessary. Mocks are initialized before each test method.
Th...
What new capabilities do user-defined literals add to C++?
...e all structs derive from Object. This decision alone puts .NET far beyond Java's reach when working with primitives, no matter how much boxing/unboxing hacks Java will add to its specification.
Do YOU really need it in C++?
This question is for YOU to answer. Not Bjarne Stroustrup. Not Herb Sutter....
Difference between
...wildcards, e.g. List<Integer>.
Example
Note this example from the Java Generics FAQ. Note how the source list src (the producing list) uses extends, and the destination list dest (the consuming list) uses super:
public class Collections {
public static <T> void copy(List<? supe...
Converting a Date object to a calendar object [duplicate]
...al;
}
Everything else you are doing is both wrong and unnecessary.
BTW, Java Naming conventions suggest that method names start with a lower case letter, so it should be: dateToCalendar or toCalendar (as shown).
OK, let's milk your code, shall we?
DateFormat formatter = new SimpleDateFormat("...