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Server Side Programming Articles - Page 2119 of 2650
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The CharEnumerator.Dispose() method in C# is used to release all resources used by the current instance of the CharEnumerator class.Syntaxpublic void Dispose ();Let us now see an example to implement the CharEnumerator.Dispose() method −Exampleusing System; public class Demo { public static void Main(){ string strNum = "356"; CharEnumerator ch = strNum.GetEnumerator(); while (ch.MoveNext()) Console.Write(ch.Current + " "); // disposed ch.Dispose(); // this will show an error since we disposed the object above // Console.WriteLine(ch.Current); } }OutputThis will produce the following output −3 5 6
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The CharEnumerator.Clone() method in C# is used to create a copy of the current CharEnumerator object.Syntaxpublic object Clone();Let us now see an example to implement the CharEnumerator.Clone() method −Exampleusing System; public class Demo { public static void Main(){ string strNum = "356"; CharEnumerator ch = strNum.GetEnumerator(); while (ch.MoveNext()){ Console.Write(ch.Current + " "); CharEnumerator enumClone = (CharEnumerator)ch.Clone(); while (enumClone.MoveNext()) Console.Write(enumClone.Current + " "); Console.WriteLine(); } } }OutputThis will produce the following output −3 5 6 5 6 6
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The Char.IsUpper() method in C# indicates whether the specified Unicode character is categorized as an uppercase letter.Syntaxpublic static bool IsUpper (char ch);Above, the parameter ch is the Unicode character to evaluate.Let us now see an example to implement the Char.IsUpper() method −Exampleusing System; public class Demo { public static void Main(){ bool res; char val = 'H'; Console.WriteLine("Value = "+val); res = Char.IsUpper(val); Console.WriteLine("Is the value an uppercae letter? = "+res); } }OutputThis will produce the following output −Value = H Is the ... Read More
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Consider we have few elements in a linked list. We have to find the multiplication result of first k number of elements. The value of k is also given. So if the list is like [5, 7, 3, 5, 6, 9], and k = 3, then result will be 5 * 7 * 3 = 105.The processes is straight forward. We simply read the current element starting from left side, then multiply it with the prod. (initially prod is 1), when k number of elements are traversed, then stop.Example#include #include using namespace std; class Node{ public: ... Read More
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The Char.IsSymbol() method in C# is indicating whether the character at the specified position in a specified string is categorized as a symbol character.Syntaxpublic static bool IsSymbol (string str, int index);Above, str is a string, whereas the position of the character to evaluate in str.Let us now see an example to implement the Char.IsSymbol() method −Exampleusing System; public class Demo { public static void Main(){ bool res; char val = 'P'; Console.WriteLine("Value = "+val); res = Char.IsSymbol(val); Console.WriteLine("Is the value a symbol? = "+res); ... Read More
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Suppose we have the diameter and the height of the cylinder, we have to find the perimeter of the cylinder. As the perimeter is the outline of two dimensional object, then we cannot find the perimeter of one three dimensional object directly. We can make a cross section of the cylinder, and convert it as rectangle, then find the perimeter. The two sides of the rectangular cross section are the diameter, and the height. So perimeter is −p=(2*d)+(2*h)Example#include using namespace std; int getCylinderPerimeter(int d, int h) { return (2*d) + (2*h); } int main() { int diameter = ... Read More
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The Char.IsControl(String, Int32) method in C# is used to indicate whether the character at the specified position in a specified string is categorized as a control character.Syntaxpublic static bool IsControl (string str, int index);Above, str is a string. The index parameter is the position of the character to evaluate in str.Let us now see an example to implement the Char.IsControl(String, Int32) method −Exampleusing System; using System.Globalization; public class Demo { public static void Main(){ string val = "hjk9878hj"; Console.WriteLine("String = "+val); UnicodeCategory unicode = Char.GetUnicodeCategory(val, 4); Console.WriteLine("The ... Read More
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Suppose we have the center coordinate and one coordinate point on the perimeter of the circle. We have to find the another point on the perimeter. Consider the center points are (p, q), and one given point is (a, b). We have to find the point (x, y). As we know that the center is the middle point of the diameter. So we can write them like −(p, q)=(a+x/2, b+y/2)Or from this the (x, y) can be expressed as −x=2p-a, y=2q-bExample#include using namespace std; int getCylinderPerimeter(int d, int h) { return (2*d) + (2*h); } int main() { ... Read More
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Consider we have a digit d, and the upper limit n. we have to find all numbers that contains d in range 0 to n. So if n = 20, and digit is 3, then the numbers will be [3, 13].To solve this problem, we will take every number as string, then if the digit is present in the string, the number will be printed, otherwise ignored.Example#include using namespace std; int getAllNumWithDigit(int n, int d) { string str = ""; str += to_string(d); char ch = str[0]; string p = ""; p += ch; for (int i = 0; i
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Suppose we have a number n. our task is to find next perfect square number of n. So if the number n = 1000, then the next perfect square number is 1024 = 322.To solve this, we have get the square root of the given number n, then take the floor of it, after that display the square of the (floor value + 1)Example#include #include using namespace std; int justGreaterPerfectSq(int n) { int sq_root = sqrt(n); return (sq_root + 1)*(sq_root + 1); } int main() { int n = 1000; cout