
Data Structure
Networking
RDBMS
Operating System
Java
MS Excel
iOS
HTML
CSS
Android
Python
C Programming
C++
C#
MongoDB
MySQL
Javascript
PHP
- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who
Karthikeya Boyini has Published 2193 Articles

karthikeya Boyini
519 Views
For this, you can use UNION. Let us first create a table −mysql> create table DemoTable -> ( -> Number int -> ); Query OK, 0 rows affected (1.17 sec)Insert some records in the table using insert command −mysql> insert into DemoTable values(10); Query OK, 1 row affected (0.23 sec) ... Read More

karthikeya Boyini
114 Views
Before getting into the example, we should know what LinkedBlockingDeque is. It is implemented by Collection interface and the AbstractQueue class. It provides optional boundaries based on linked nodes. It going to pass memory size to a constructor and helps to provide memory wastage in android.This example demonstrates about How ... Read More

karthikeya Boyini
2K+ Views
Let us first create a table −mysql> create table DemoTable -> ( -> Id int NOT NULL AUTO_INCREMENT PRIMARY KEY, -> Name varchar(100), -> Score int -> ); Query OK, 0 rows affected (0.78 sec)Insert some records in the table using insert command −mysql> insert into DemoTable(Name, Score) values('John', 68); ... Read More

karthikeya Boyini
112 Views
Before getting into the example, we should know what PriorityBlockingQueue is. It is an unbounded queue and follows the same order as a priority queue. The main usage of priority blocking queue is, it going to handle out of memory error.This example demonstrates about How to use offer() in android ... Read More

karthikeya Boyini
117 Views
Before getting into an example, we should know what ConcurrentLinkedQueue is, it is an unbounded queue based on linked nodes. Multiple threads can access queue elements with safety. Elements travel based on queue strategy as FIFO and elements going to insert from a tail. It does not allow null values.This ... Read More

karthikeya Boyini
124 Views
Before getting into the example, we should know what CopyOnWriteArrayList is. It is a thread-safe variant of ArrayList and operations add, set, and so on by making a fresh copy of the underlying array.This example demonstrate about How to use lastIndexOf() in android CopyOnWriteArrayListStep 1 − Create a new project ... Read More

karthikeya Boyini
124 Views
Before getting into the example, we should know what CopyOnWriteArraySet is. It is a thread-safe variant of ArrayList and operations add, set, and so on by making a fresh copy of the underlying array.This example demonstrate about How to use isEmpty() in android CopyOnWriteArraySetStep 1 − Create a new project ... Read More

karthikeya Boyini
169 Views
Before getting into an example, we should know what CopyOnWriteArraySet is. It is a thread-safe variant of ArrayList and operations add, set, and so on by making a fresh copy of the underlying array.This example demonstrates about How to use in android CopyOnWriteArraySetStep 1 − Create a new project in ... Read More

karthikeya Boyini
161 Views
Use the COLUMN_NAME to find which table in a database contains a specific column. Let us first create a table −mysql> create table DemoTable -> ( -> CustomerId int, -> CustomerName varchar(20), -> CustomerCountryName varchar(100) -> ); Query OK, 0 rows affected (1.05 sec)Following is ... Read More

karthikeya Boyini
295 Views
Let us first create a table −mysql> create table DemoTable -> ( -> FirstName varchar(20), -> LastName varchar(20) -> ); Query OK, 0 rows affected (1.44 sec)Insert some records in the table using insert command −mysql> insert into DemoTable values('John', 'Smith'); Query OK, 1 row affected ... Read More