To check whether a thread is a background thread or not, the code is as follows −Example Live Demousing System; using System.Threading; public class Demo {    public static void Main() {       Thread thread = new Thread(new ThreadStart(demo1));       ThreadPool.QueueUserWorkItem(new WaitCallback(demo2));       Console.WriteLine("Current state ... Read More

To get the number of elements in HashSet in C#, the code is as follows −Example Live Demousing System; using System.Collections.Generic; public class Demo {    public static void Main() {       HashSet set1 = new HashSet();       set1.Add(25);       set1.Add(50);       set1.Add(75); ... Read More

To remove the specified node from the LinkedList, the code is as follows −Example Live Demousing System; using System.Collections.Generic; public class Demo {    public static void Main() {       LinkedList list = new LinkedList();       list.AddLast(100);       list.AddLast(200);       list.AddLast(300);     ... Read More

To set the bit a specific position in the BitArray to the specified values, the code is as follows −Example Live Demousing System; using System.Collections; public class Demo {    public static void Main() {       BitArray arr = new BitArray(5);       arr[0] = true;     ... Read More

The ListDictionary class implements IDictionary using a singly linked list. It is recommended for collections that typically include fewer than 10 items.Following are the properties of ListDictionary class −Sr.NoProperty & Description1CountGets the number of key/value pairs contained in the ListDictionary.2IsFixedSizeGets a value indicating whether the ListDictionary has a fixed size.3IsReadOnlyGets ... Read More

To get the index of first occurrence in StringCollection, the code is as follows −Example Live Demousing System; using System.Collections.Specialized; public class Demo {    public static void Main() {       StringCollection strCol = new StringCollection();       strCol.Add("Accessories");       strCol.Add("Books");       strCol.Add("Electronics");   ... Read More

To get an enumerator for the entire ArrayList in C#, the code is as follows −Example Live Demousing System; using System.Collections; public class Demo {    public static void Main(String[] args) {       ArrayList list1 = new ArrayList();       list1.Add("A");       list1.Add("B");       ... Read More

For this, use the below syntax −select * from yourTableName where yourColumnName < DATE_ADD(CURDATE(), INTERVAL 2 WEEK);Note: The current date is as follows −mysql> select curdate(); +------------+ | curdate()  | +------------+ | 2019-10-20 | +------------+ 1 row in set (0.00 sec)Let us first create a table −mysql> create table DemoTable1607 ... Read More

Let us first create a table −mysql> create table DemoTable1606    -> (    -> Value int    -> ); Query OK, 0 rows affected (0.55 sec)Insert some records in the table using insert command −mysql> insert into DemoTable1606 values(5); Query OK, 1 row affected (0.10 sec) mysql> insert into ... Read More

To set conditions in stored procedure, use the below syntax −    if yourCondition then    yourStatement1;      else    yourStatement2';       end if ;     end     //Let us implement the above syntax in order to correct missing semicolon in stored procedure −mysql> delimiter ... Read More