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Articles by Chandu yadav
Page 25 of 81
Ways to print escape characters in C#
The following are the escape characters in C# and the display column suggests how to use and print them in C# −Escape CharacterDescriptionPatternDisplay\aMatches a bell character, \u0007.\a"\u0007" in "Warning!" + '\u0007'\bIn a character class, matches a backspace, \u0008.[\b]{3, }"\b\b\b\b" in "\b\b\b\b"\tMatches a tab, \u0009.(\w+)\t"Name\t", "Addr\t" in "Name\tAddr\t"\rMatches a carriage return, \u000D. (\r is not equivalent to the newline character, .)\r(\w+)"\rHello" in "\r\HelloWorld."\vMatches a vertical tab, \u000B.[\v]{2, }"\v\v\v" in "\v\v\v"\fMatches a form feed, \u000C.[\f]{2, }"\f\f\f" in "\f\f\f"Matches a new line, \u000A.\r(\w+)"\rHello" in "\r\HelloWorld."\eMatches an escape, \u001B.\e"\x001B" in "\x001B"nnUses octal representation to specify a character (nnn consists of up to three digits).\w\040\w"a ...
Read MoreTimeSpan.From methods in C# ()
The TimeSpan.From methods include FromDays, FromHours, FromMinutes, etc.To get the TimeSpan for all the methods// Days TimeSpan t1 = TimeSpan.FromDays(1); // Hours TimeSpan t2 = TimeSpan.FromHours(1); // Minutes TimeSpan t3 = TimeSpan.FromMinutes(1);The following is the code that works on all the TimeSpan methods −Exampleusing System; using System.Linq; public class Demo { public static void Main() { TimeSpan t1 = TimeSpan.FromDays(1); TimeSpan t2 = TimeSpan.FromHours(1); TimeSpan t3 = TimeSpan.FromMinutes(1); Console.WriteLine(t1); Console.WriteLine(t2); Console.WriteLine(t3); } }Output1.00:00:00 01:00:00 00:01:00
Read MoreFormat TimeSpan in C#
You can format a TimeSpan in the hh: mm: ss format in C#.Firstly, set the TimeSpan −TimeSpan ts = new TimeSpan(9, 15, 30);To format TimeSpan −{0:hh\:mm\:ss}The following is the code −Exampleusing System; using System.Linq; public class Demo { public static void Main() { TimeSpan ts = new TimeSpan(9, 15, 30); Console.WriteLine("{0:hh\:mm\:ss}", ts); } }Output09:15:30
Read MoreBootstrap page-header class
Page header is used to add appropriate spacing around the headings on a page.To use a page header, wrap your heading in a with a class of .page-header −Example Bootstrap Example Header Subtext for header Demo text! Demo text! Demo text! Demo text! Demo text! Demo text! Demo text! Demo text! Demo text!
Read MoreDisplay years in different formats with C# DateTime
Set a DateTime object;DateTime dt = DateTime.Now;To get years in different formats, try the following −dt.ToString("yy") dt.ToString("yyy") dt.ToString("yyyy") dt.ToString("yyyyy")Here is the complete code −Exampleusing System; using System.Threading; using System.Diagnostics; public class Demo { public static void Main() { DateTime dt = DateTime.Now; // Today's date Console.WriteLine("Today = {0}", DateTime.Today); Console.WriteLine("Displaying current year in dufferent formats:"); Console.WriteLine(dt.ToString("yy")); Console.WriteLine(dt.ToString("yyy")); Console.WriteLine(dt.ToString("yyyy")); Console.WriteLine(dt.ToString("yyyyy")); } }OutputToday = 9/4/2018 12:00:00 AM Displaying current year in dufferent formats: 18 2018 2018 02018
Read MoreC# program to convert string to long
To convert a string to a long, use the Long.parse method in C# −Firstly, set a string −string str = "6987646475767";Now, convert it to long −long.Parse(str);Here is the complete code −Exampleusing System; using System.Linq; class Demo { static void Main() { string str = "6987646475767"; long res = long.Parse(str); Console.WriteLine(res); } }Output6987646475767
Read MoreUsage of Bootstrap class panel-danger
The .panel-danger class in Bootstrap is used to indicate danger.You can try to run the following code to implement panel-danger class −Example Bootstrap Example Panel title (danger) This is a Basic panel
Read MoreKeyNotFoundException in C#
The KeyNotFoundException is thrown when a key you are finding is not available in the Dictionary collection.Let us see an example −Exampleusing System; using System.Collections.Generic; public class Demo { public static void Main() { try { var dict = new Dictionary() { {"TV", "Electronics"}, {"Laptop", "Computers"}, }; Console.WriteLine(dict["Pen Drive"]); } catch (Exception e) { Console.WriteLine(e); } } }The ...
Read MoreWhat is the Count property of SortedList class in C#?
Exampleusing System; using System.Collections; namespace Demo { class Program { static void Main(string[] args) { SortedList s = new SortedList(); s.Add("S1", "Electronics"); s.Add("S2", "Clothing"); s.Add("S3", "Applicances"); s.Add("S4", "Books"); s.Add("S5", "Accessories"); s.Add("S6", "Musical Instruments"); Console.WriteLine("Count = " + s.Count); } } }OutputCount = 6
Read MoreCreate Dismissal Alerts in Bootstrap
To create a dismissal alert −Add a basic alert by creating a wrapper and adding a class of .alert and one of the four contextual classes, for example, .alert-success, .alert-info, etc.Also add optional .alert-dismissable to the above class.Add a close button.You can try to run the following code to create dismissal alerts −Example Bootstrap Example × Success! Well done its submitted. × Info! Take this info.
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