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Is NaN isNaN isInfinite number value Java Android example


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float, double is NaN isNaN() isInfinite() Java Android example.

float f = 0.f;
boolean bIsNaN = Float.isNaN(f);
boolean bIsInfinite = Float.isInfinite(f);

 double d = Math.sqrt(-10);
 boolean b = Double.isNaN(d);


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Další témata ....(Topics)


363

How rebuild only one module in project Android Studio | how-rebuild-only-one-module-in-project-android-studio


If you do click on Rebuid project menu item, this operation maybe consume long time on slovly PC.
Some errors dismis when you do rebuild project, or module.
Try this:
Select module where contains red error code and press Debugg or Run button on Android Studio.
If module code contains errors, Android Studio show error report in gradle console.
If not, apk will installed on device.
This is 10 times faster than Clean - Rebuild all project.
169

Iterate HashMap getKey getValue Java Example | iterate-hashmap-getkey-getvalue-java-example



 HashMap<String,Locale> _mapOfLocale = new HashMap<String,Locale>();
    _mapOfLocale.put("French",Locale.	FRENCH	);	
    _mapOfLocale.put("German",Locale.	GERMAN	);	
    _mapOfLocale.put("Italian",Locale.	ITALIAN	);	

    for (Entry<String, Locale> entry : _mapOfLocale.entrySet()) {

       System.out.println(entry.getKey());
       System.out.println(entry.getValue());

      }



220

Full Screen No title Android | full-screen-no-title-android


Full Screen without titlebar and statusbar for Android Activity.
In Activity.java

public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
         requestWindowFeature(Window.FEATURE_NO_TITLE);
        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
            WindowManager.LayoutParams.FLAG_FULLSCREEN);
        setContentView(R.layout.main);
    }

or in AndroidManifest.xml

<activity android:name=".ActivityName"
    android:label="@string/app_name"
    android:theme="@android:style/Theme.NoTitleBar.Fullscreen">
</activity>

13

Wordpress comments | wordpress-comments


Jak povolit komentáře je přihlášeným uživatelům.
Spam v komentářích je nepříjemný a zatěžuje server. Jednou z metod, jak jej omezit je povolit přidávat komentáře jen registrovaným členům. Toho ve Wordpress dosáhneme v administraci z menu Settings - Discussion kde zaškrtneme políčko Users must be registered and logged in to comment a nastaveni uložíme.
359

Not visible layout changes on testing device | not-visible-layout-changes-on-testing-device


Delete - unistal app from testing device - emulator and try again RUN - DEBUGG your app.


Editace: 2013-12-09 10:38:25
Počet článků v kategorii: 397
Url:is-nan-isnan-java-example

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