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Found 2628 Articles for Csharp
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The Char Struct in C# represents a character as a UTF-16 code unit. Here are some of the methods −MethodDescriptionConvertToUtf32(Char, Char)Converts the value of a UTF-16 encoded surrogate pair into a Unicode code point.ConvertToUtf32(String, Int32)Converts the value of a UTF-16 encoded character or surrogate pair at a specified position in a string into a Unicode code point.Equals(Char)Returns a value that indicates whether this instance is equal to the specified Char object.Equals(Object)Returns a value that indicates whether this instance is equal to a specified object.GetHashCode()Returns the hash code for this instance.GetNumericValue(Char)Converts the specified numeric Unicode character to a double-precision floating-point number.IsDigit(String, ... Read More
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To get the standard output stream through Console, the code is as follows −Example Live Demousing System; public class Demo { public static void Main(string[] args){ Console.WriteLine("Standard Output Stream = "+Console.Out); } }OutputThis will produce the following output −Standard Output Stream = System.IO.TextWriter+SyncTextWriterExampleTo get the standard error output stream through Console, the code is as follows − Live Demousing System; public class Demo { public static void Main(string[] args){ Console.WriteLine("Standard Output Stream = "+Console.Out); Console.WriteLine("Standard Error Output Stream = "+Console.Error); } }OutputThis will produce the following output −Standard Output ... Read More
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To get the largest window height of the Console, the code is as follows −Example Live Demousing System; public class Demo{ public static void Main(string[] args){ Console.WriteLine("Largest Window Height of the Console = "+Console.LargestWindowHeight); } }OutputThis will produce the following output −Largest Window Height of the Console = 58ExampleTo get the largest window width of the Console, the code is as follows − Live Demousing System; public class Demo{ public static void Main(string[] args){ Console.WriteLine("Largest Window Width of the Console = "+Console.LargestWindowWidth); } }OutputThis will produce the following output −Largest Window Width of the Console = 190
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To get the fourth element of the Tuple, the code is as follows −Example Live Demousing System; public class Demo { public static void Main(String[] args){ var tuple1 = Tuple.Create(75, 200, 500, 700, 100, 1200, 1500); var tuple2 = Tuple.Create(75, 200, 500, 700, 100, 1200, 1500); Console.WriteLine("Is Tuple1 equal to Tuple2? = "+tuple1.Equals(tuple2)); Console.WriteLine("HashCode of Tuple1 = "+tuple1.GetHashCode()); Console.WriteLine("HashCode of Tuple2 = "+tuple2.GetHashCode()); Console.WriteLine("Tuple1 Item 5th = "+tuple1.Item5); Console.WriteLine("Tuple2 Item 5th = "+tuple2.Item5); Console.WriteLine("Tuple1 Item 1st ... Read More
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To get the number of key/values pairs contained in OrderedDictionary, the code is as follows −Example Live Demousing System; using System.Collections; using System.Collections.Specialized; public class Demo { public static void Main(){ OrderedDictionary dict = new OrderedDictionary(); dict.Add("A", "Home Appliances"); dict.Add("B", "Electronics"); dict.Add("C", "Smart Wearables"); dict.Add("D", "Pet Supplies"); dict.Add("E", "Clothing"); dict.Add("F", "Footwear"); Console.WriteLine("OrderedDictionary elements..."); foreach(DictionaryEntry d in dict){ Console.WriteLine(d.Key + " " + d.Value); } ... Read More
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To return fields appearing a certain number of times, the syntax is as follows −select distinct yourColumnName, count(yourColumnName) from yourTableName where yourColumnName LIKE 'J%' group by yourColumnName having count(*) > 1 order by yourColumnName;Let us first create a table −mysql> create table DemoTable1500 -> ( -> Name varchar(20) -> ); Query OK, 0 rows affected (0.86 sec)Insert some records in the table using insert command −Mysql> insert into DemoTable1500 values(‘Adam’); Query OK, 1 row affected (0.23 sec) mysql> insert into DemoTable1500 values('John'); Query OK, 1 row affected (0.09 sec) mysql> insert into DemoTable1500 values('Mike'); Query OK, 1 ... Read More
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To check if HybridDictionary is synchronized, the code is as follows −Example Live Demousing System; using System.Collections; using System.Collections.Specialized; public class Demo { public static void Main(){ HybridDictionary dict1 = new HybridDictionary(); dict1.Add("A", "Books"); dict1.Add("B", "Electronics"); dict1.Add("C", "Smart Wearables"); dict1.Add("D", "Pet Supplies"); dict1.Add("E", "Clothing"); dict1.Add("F", "Footwear"); Console.WriteLine("HybridDictionary1 elements..."); foreach(DictionaryEntry d in dict1){ Console.WriteLine(d.Key + " " + d.Value); } Console.WriteLine("Is the HybridDictionary1 having ... Read More
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To check if the input is redirected on the Console or not, the code is as follows −Example Live Demousing System; public class Demo{ public static void Main(string[] args){ Console.WriteLine("Input Redirected? = "+Console.IsInputRedirected); } }OutputThis will produce the following output −Input Redirected? = FalseExampleTo check if the output is redirected on the Console or not, the code is as follows − Live Demousing System; public class Demo{ public static void Main(string[] args){ Console.WriteLine("Output Redirected? = "+Console.IsInputRedirected); } }OutputThis will produce the following output −Output Redirected? = FalseExampleTo check if the error is ... Read More
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To check if Caps Lock is on or off through Console, the code is as follows −Example Live Demousing System; public class Demo{ public static void Main(string[] args){ Console.WriteLine("The CAPS LOCK is on or not? "+ Console.CapsLock); } }OutputThis will produce the following output −The CAPS LOCK is on or not? FalseExampleTo check if Num Lock is on or off through Console, the code is as follows − Live Demousing System; public class Demo{ public static void Main(string[] args){ Console.WriteLine("The Num LOCK is on or not? "+ Console.NumberLock); } }OutputThis will produce ... Read More
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To retrieve the system’s reference to the specified String, the code is as follows −Example Live Demousing System; public class Demo{ public static void Main(string[] args){ string str1 = "David"; string str2 = string.Intern(str1); Console.WriteLine("String1 = "+str1); Console.WriteLine("System reference of String1 = "+str2); } }OutputThis will produce the following output −String1 = David System reference of String1 = DavidExampleLet us now see another example − Live Demousing System; public class Demo{ public static void Main(string[] args){ string str1 = "50"; ... Read More