Following program finds a substring in a string. public static int Find(string text, string pattern) { // ASHI COMPARE A,S,H,I // SHI A==S,S==H for (int i = 0; i <=text.Length – pattern.Length; i++) { int temp = i; for (int j = 0; j < pattern.Length; j++) { temp++; if (text[temp] == pattern[j]) { j++; […]
Program to check valid parenthesis
Program to check valid parenthesis public class Solution { public bool IsValid(string s) { Stack stack=new Stack(); foreach(char ch in s) { if(ch=='(‘ || ch=='{‘ || ch=='[‘) stack.Push(ch); if(ch==’)’ || ch==’}’ || ch==’]’) stack.Pop(); } if(stack.Count==0) return true; else return false; } }
Angular CLI tutorial
Angular cli is a useful toolset which helps in development,testing and deployment of Angular applications. Check if cli is installed ng –version Install latest version of angular cli npm install -g @angular/cli@latest Create new Angular project using cli 1.Create folder where you want to create Angular application 2.Open command prompt and navigate to the above […]
Delegates in C#
There are different types in C# such as class,interfaces and enums.One of the reference type is delegate.Delegate allows to define objects which can point to a function.This makes it convenient to define decoupled application and pass function as a parameter value to other functions. For example if you define a delegate called ProcessDelegate then you […]
Router Guard in Angular
Route Guards determine whether to allow or deny navigation within Angular application. There are 4 types of routing guards in Angular: CanActivate Determines if a route can be activated CanActivateChild If route children can be activated CanLoad If lazy loaded child routes can be loaded. CanDeactivate Determines if the user can navigate away from route […]