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How do you test to see if a double is equal to NaN?
I have a double in Java and I want to check if it is NaN .
What is the best way to do this?
7 Answers
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Is there any kind of hash code function in JavaScript?
... object of unique objects, a set. I had the brilliant idea of just using a JavaScript object with objects for the property names. Such as,
...
Set TextView text from html-formatted string resource in XML
...ing String resources in Android, you just have to call getString(...) from Java code or use android:text="@string/..." in your layout XML.
Even if you want to use HTML markup in your Strings, you don't have to change a lot:
The only characters that you need to escape in your String resources are:
...
How to open a second activity on click of button in android app
...ut where? I get errors all over the place If i try place this withing the .java in eclipse
– Henry Aspden
Nov 2 '12 at 12:08
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Disable intellij indexing on specific folder
...e://$MODULE_DIR$">
<sourceFolder url="file://$MODULE_DIR$/src/main/java" isTestSource="false" />
<sourceFolder url="file://$MODULE_DIR$/src/main/resources" type="java-resource" />
<sourceFolder url="file://$MODULE_DIR$/src/test/features" type="java-test-resource" />
<...
Using Enums while parsing JSON with GSON
...gisterTypeAdapter(Type, Object).
Following is one such approach.
import java.io.FileReader;
import java.lang.reflect.Type;
import java.util.List;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.JsonDeserializationContext;
import com.google.gson.JsonDeseria...
Plurality in user messages
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What about what Java has had for years: java.text.MessageFormat and ChoiceFormat? See http://download.oracle.com/javase/1.4.2/docs/api/java/text/MessageFormat.html for more information.
MessageFormat form = new MessageFormat("The disk \"{...
Your project contains error(s), please fix it before running it
...braries were addressed twice in the:
Project >> Properties >> Java Build Path >> Libraries
I just had to remove the duplicate and it worked fine without any cleanings or refreshing.
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How can I convert a Unix timestamp to DateTime and vice versa?
...Seconds( unixTimeStamp ).ToLocalTime();
return dtDateTime;
}
Or, for Java (which is different because the timestamp is in milliseconds, not seconds):
public static DateTime JavaTimeStampToDateTime( double javaTimeStamp )
{
// Java timestamp is milliseconds past epoch
System.DateTime d...
Learn C first before learning Objective-C [closed]
...er, the really great feature of Obj-C (that's why I even like it more than Java) is that you can jump to plain C at will and back again. Why this is such a great feature? Because just like Obj-C fixes many of the cons of pure C, pure C can fix some of the cons of Obj-C. If you mix them together you'...