George John has Published 1081 Articles

How to change the background and foreground colors of tab in Java?

George John

George John

Updated on 30-Jul-2019 22:30:26

907 Views

To change the background and foreground colors of tab, use the following methods −JTabbedPane tabbedPane = new JTabbedPane(); tabbedPane.setBackground(Color.blue); tabbedPane.setForeground(Color.white);Above, we have used the Color class to set the colors for the background and foregroud colors −The following is an example to change the background and foreground colors of tab ... Read More

Customize the tooltip font, color , background and foreground color in Java

George John

George John

Updated on 30-Jul-2019 22:30:26

2K+ Views

To customize the tooltip font, color and background, use UIManager.UIManager.put("ToolTip.background", Color.ORANGE); UIManager.put("ToolTip.foreground", Color.BLACK); UIManager.put("ToolTip.font", new Font("Arial", Font.BOLD, 14));Above, we have set the font with −Tooltip.fontWe have set the foreground and background color with the following above −ToolTip.foreground ToolTip.backgroundThe following is an example to customize tooltip −Examplepackage my; import java.awt.Color; import ... Read More

Get the size of a collection in MongoDB using conditions?

George John

George John

Updated on 30-Jul-2019 22:30:26

204 Views

Let us first create a collection with documents −> dbmongoDBCollectionSizeDemoinsertOne({"Name":"John", "Age":23}); {    "acknowledged" : true,    "insertedId" : ObjectId("5cf23e3db64a577be5a2bc16") } > dbmongoDBCollectionSizeDemoinsertOne({"Name":"Chris", "Age":24}); {    "acknowledged" : true,    "insertedId" : ObjectId("5cf23e45b64a577be5a2bc17") } > dbmongoDBCollectionSizeDemoinsertOne({"Name":"Robert", "Age":26}); {    "acknowledged" : true,    "insertedId" : ObjectId("5cf23e4db64a577be5a2bc18") }Following is the query ... Read More

HTML

George John

George John

Updated on 30-Jul-2019 22:30:26

154 Views

The type attribute of the element is used to set type of the button. Following is the syntax −Above, we have shown the different types set for the button element i.e.: submit −button: A clickable buttonsubmit: Submit button (submits form-data)reset: It is a reset button to reset it to the ... Read More

How to create a custom navigation drawer in Android?

George John

George John

Updated on 30-Jul-2019 22:30:26

5K+ Views

This example demonstrate about How to resize Image in Android App.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml.         Step ... Read More

How to make a phone call using intent in Android?

George John

George John

Updated on 30-Jul-2019 22:30:26

953 Views

This example demonstrate about How to lock the Android device programmatically.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml     Step 3 − ... Read More

How to detect click on HTML button through javascript in Android WebView?

George John

George John

Updated on 30-Jul-2019 22:30:26

4K+ Views

This example demonstrate about How to lock the Android device programmatically.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml     Step 3 − ... Read More

How to check if Location Services are enabled in Android App?

George John

George John

Updated on 30-Jul-2019 22:30:26

2K+ Views

This example demonstrate about How to check if Location Services are enabled in Android App.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.java   ... Read More

Is there a MAX function for rows and not for columns in MySQL?

George John

George John

Updated on 30-Jul-2019 22:30:26

153 Views

Yes, you can use GREATEST() from MySQL to check maximum from rows (not columns). Let us first create a table −mysql> create table DemoTable    (    Value1 int,    Value2 int,    Value3 int    ); Query OK, 0 rows affected (0.58 sec)Insert records in the table using insert ... Read More

How to add manifest permission to an application in Android?

George John

George John

Updated on 30-Jul-2019 22:30:26

631 Views

This example demonstrate about How to add manifest permission to an application in Android.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.java Step 3 − ... Read More

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