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Articles by Nitya Raut
Page 8 of 16
How to find tables modified in the last hour in Android sqlite?
Before getting into example, we should know what sqlite data base in android is. SQLite is an open source SQL database that stores data to a text file on a device. Android comes in with built in SQLite database implementation. SQLite supports all the relational database features. In order to access this database, you don't need to establish any kind of connections for it like JDBC, ODBC etc.This example demonstrate about How to find tables modified in the last hour in Android sqlite.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill ...
Read MoreDetermine the type of an image in Python?
In this section we are going to see the type of image file we have. So consider a situation, where in a directory we have hundreds of image file and we want to get all the jgeg(or any particular image file type) file type. All this we are going to do programmatically using python.Python provide library to determine the type of an image, on such library is imghdr.The python imghdr package determines the type of image contained in a file or byte stream.InstallationThere is a very much chances that if you are using python 3.6 or higher, imghdr module is ...
Read MoreHow to delete a row from ResultSet object using JDBC?
The deleteRow() method of the ResultSet interface deletes the current row from the current ResultSet object.//Deleting a column from the ResultSet object rs.deleteRow();Assume we have a table named Cricketers_Data with 6 records as shown below:+----+------------+------------+---------------+----------------+-------------+ | ID | First_Name | Last_Name | Year_Of_Birth | Place_Of_Birth | Country | +----+------------+------------+---------------+----------------+-------------+ | 1 | Shikhar | Dhawan | 1981-12-05 | Delhi | India | | 2 | Jonathan | Trott | 1981-04-22 | CapeTown | SouthAfrica | | 3 ...
Read MoreHow to get yesterday records from timestamp in Android sqlite?
Before getting into example, we should know what sqlite data base in android is. SQLite is an open source SQL database that stores data to a text file on a device. Android comes in with built in SQLite database implementation. SQLite supports all the relational database features. In order to access this database, you don't need to establish any kind of connections for it like JDBC, ODBC etc.This example demonstrate about How to get yesterday records from timestamp in Android sqlite.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required ...
Read MoreHow to enable vertical scroll bar for android webview?
This example demonstrate about How to set default text encoded for android webview.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. In the above code, we have taken web view to show facebook.com.Step 3 − Add the following code to src/MainActivity.javapackage com.example.myapplication; import android.app.ProgressDialog; import android.os.Build; import android.os.Bundle; import android.support.annotation.RequiresApi; import android.support.v7.app.AppCompatActivity; import android.view.View; import android.webkit.CookieManager; import android.webkit.WebChromeClient; import android.webkit.WebSettings; import android.webkit.WebView; import android.webkit.WebViewClient; import android.widget.EditText; public class MainActivity extends ...
Read MoreHow to find the current row of a ResultSet object using JDBC?
The getRow() method of the ResultSet class returns the row number at which the ResultSet pointer exists in the current instance.Assume we have a table named cricketers_data with 6 records as shown below:+------------+------------+---------------+----------------+-------------+ | First_Name | Last_Name | Date_Of_Birth | Place_Of_Birth | Country | +------------+------------+---------------+----------------+-------------+ | Shikhar | Dhawan | 1981-12-05 | Delhi | India | | Jonathan | Trott | 1981-04-22 | CapeTown | SouthAfrica | | Lumara | Sangakkara | 1977-10-27 | Matale ...
Read MoreImage based Steganography using Python?
Steganography is a technique of hiding information behind the scene. It’s is not like cryptography which focuses on encrypting data(through different algorithms like SHA1, MD5 etc), steganography focuses more on hiding the data (data can be a file, image, message or video) within another file, image, message or video to avoid any attraction.So in this we’ll try to create a simple python program that hides the information behind the image without noticiable changes in the looks of the image. There are two main parts of the program – first is a decoding function that can extract secret information from an ...
Read MoreHow to check arraylist is empty for Listview in Android?
This example demonstrates How to check arraylist is empty for Listview 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.xml. In the above code, we have taken name and record number as Edit text, when user click on save button it will store the data into ...
Read MoreHow to get programmatically android device brand name?
This example demonstrate about How to get programmatically android device brand name.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. In the above code, we have taken text view to show device brand name .Step 3 − Add the following code to src/MainActivity.javapackage com.example.myapplication; import android.Manifest; import android.app.ProgressDialog; import android.content.pm.PackageManager; import android.os.Build; import android.os.Bundle; import android.support.annotation.RequiresApi; import android.support.v4.app.ActivityCompat; import android.support.v7.app.AppCompatActivity; import android.view.View; import android.webkit.CookieManager; import android.webkit.WebChromeClient; import android.webkit.WebSettings; import android.webkit.WebView; ...
Read MoreHow to move the pointer of a ResultSet to the end of the table using JDBC?
The afterLast() method of the ResultSet interface moves the cursor/pointer after the last row of the ResultSet object.rs.afterLast();Assume we have a table name dataset as shown below:+--------------+-----------+ | mobile_brand | unit_sale | +--------------+-----------+ | Iphone | 3000 | | Samsung | 4000 | | Nokia | 5000 | | Vivo | 1500 | | Oppo | 900 | | MI | 6400 | | MotoG ...
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