Ari  Bogisich

Ari Bogisich

1595710560

C#: Different ways to Check for Null

What is the classic way to check if for example a parameter value is null? If you’ve developed with C# since a while, you might be familiar with this classic syntax:

public static int CountNumberOfSInName(string name)
{
  if (name == null)
  {
    throw new ArgumentNullException(nameof(name));
  }

  return name.Count(c => char.ToLower(c).Equals('s'));
}

Since C# version 7 you can use the is keyword for the null check like in the snippet below:

  if (name is null)
  {
    throw new ArgumentNullException(nameof(name));
  }

#.net #csharp #programming-c

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C#: Different ways to Check for Null
Tamale  Moses

Tamale Moses

1624240146

How to Run C/C++ in Sublime Text?

C and C++ are the most powerful programming language in the world. Most of the super fast and complex libraries and algorithms are written in C or C++. Most powerful Kernel programs are also written in C. So, there is no way to skip it.

In programming competitions, most programmers prefer to write code in C or C++. Tourist is considered the worlds top programming contestant of all ages who write code in C++.

During programming competitions, programmers prefer to use a lightweight editor to focus on coding and algorithm designing. VimSublime Text, and Notepad++ are the most common editors for us. Apart from the competition, many software developers and professionals love to use Sublime Text just because of its flexibility.

I have discussed the steps we need to complete in this blog post before running a C/C++ code in Sublime Text. We will take the inputs from an input file and print outputs to an output file without using freopen file related functions in C/C++.

#cpp #c #c-programming #sublimetext #c++ #c/c++

Dicey Issues in C/C++

If you are familiar with C/C++then you must have come across some unusual things and if you haven’t, then you are about to. The below codes are checked twice before adding, so feel free to share this article with your friends. The following displays some of the issues:

  1. Using multiple variables in the print function
  2. Comparing Signed integer with unsigned integer
  3. Putting a semicolon at the end of the loop statement
  4. C preprocessor doesn’t need a semicolon
  5. Size of the string matters
  6. Macros and equations aren’t good friends
  7. Never compare Floating data type with double data type
  8. Arrays have a boundary
  9. Character constants are different from string literals
  10. Difference between single(=) and double(==) equal signs.

The below code generates no error since a print function can take any number of inputs but creates a mismatch with the variables. The print function is used to display characters, strings, integers, float, octal, and hexadecimal values onto the output screen. The format specifier is used to display the value of a variable.

  1. %d indicates Integer Format Specifier
  2. %f indicates Float Format Specifier
  3. %c indicates Character Format Specifier
  4. %s indicates String Format Specifier
  5. %u indicates Unsigned Integer Format Specifier
  6. %ld indicates Long Int Format Specifier

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A signed integer is a 32-bit datum that encodes an integer in the range [-2147483648 to 2147483647]. An unsigned integer is a 32-bit datum that encodes a non-negative integer in the range [0 to 4294967295]. The signed integer is represented in twos-complement notation. In the below code the signed integer will be converted to the maximum unsigned integer then compared with the unsigned integer.

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#problems-with-c #dicey-issues-in-c #c-programming #c++ #c #cplusplus

Shaylee  Lemke

Shaylee Lemke

1590247920

Difference Between Throw and Throw ex in C#

In this video, We are going to see the difference between Throw and Throw exception in C#. In this video, I am also going to explain what are the best practices for using throw in C#.

#c #c# #c++ #programming-c

Sadie  Ratke

Sadie Ratke

1590264360

Learn how to check a character value in C

When working in C, we can use the ctype.h standard library set of functions to check the value of a char type variable.

We have access to several useful checks:

  • isalnum() checks if a character is alphanumeric
  • isalpha() checks if a character is alphabetic
  • iscntrl() checks if a character is a control character
  • isdigit() checks if a character is a digit
  • isgraph() checks if a character is a printable ASCII character (but not a space)
  • islower() checks if a character is lowercase
  • isprint() checks if a character is a printable ASCII character
  • ispunct() checks if a character is a punctuation character (a printable char, not a space, not alphanumeric)
  • isspace() checks if a character is a whitespace character (see more later)
  • isupper() checks if a character is uppercase
  • isxdigit() checks if a character is an hexadecimal digit (0-F)

#c #c# #c++ #programming-c

Ari  Bogisich

Ari Bogisich

1589816580

Using isdigit() in C/C++

In this article, we’ll take a look at using the isdigit() function in C/C++. This is a very simple way to check if any value is a digit or not. Let’s look at how to use this function, using some simple examples.

#c programming #c++ #c #c#