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Programming & Software Q&A | CollectiveSolver
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Welcome to collectivesolver - Programming & Software Q&A with code examples. A website with trusted programming answers. All programs are tested and work.
Contact: aviboots(AT)netvision.net.il
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Recent questions tagged c#
41,593
questions
54,235
answers
573
users
Recent questions tagged c#
1
answer
96
views
How to replace consecutive characters with only one using RegEx in C#
asked
Jun 6, 2025
by
avibootz
c#
c#-regex
1
answer
75
views
How to get OS name on Unix-like systems with C#
asked
Jun 6, 2025
by
avibootz
c#
c#-os
1
answer
140
views
How to multiply two integers as strings and return the result also as a string in WinForms C#
asked
Jun 5, 2025
by
avibootz
c#
c#-multiply
winforms
1
answer
120
views
How to multiply two integers represented as strings and return the result also as a string in C#
asked
Jun 5, 2025
by
avibootz
c#
c#-multiply
1
answer
111
views
How to get the first missing smallest positive integer in an unsorted integer array with C#
asked
Jun 4, 2025
by
avibootz
c#
c#-array
1
answer
70
views
How to get the number of bytes of a variable in C#
asked
Jun 4, 2025
by
avibootz
c#
c#-byte
1
answer
156
views
How to get the current executable name in C#
asked
Jun 3, 2025
by
avibootz
c#
c#-exe
1
answer
141
views
How to sort each column of a matrix with strings in C#
asked
Jun 2, 2025
by
avibootz
c#
c#-matrix
c#-sort
1
answer
120
views
How to fill a 3x3 grid to be a valid Sudoku grid in C#
asked
Jun 1, 2025
by
avibootz
c#
c#-sudoku
1
answer
130
views
How to calculate the future occurrences of Friday the 13th in C#
asked
May 31, 2025
by
avibootz
c#
c#-date
1
answer
158
views
How to check if a string contains only letters, numbers, underscores and dashes in C#
asked
May 31, 2025
by
avibootz
c#
c#-regex
1
answer
139
views
How to check if a 3x3 grid is a valid Sudoku grid in C#
asked
May 30, 2025
by
avibootz
c#
c#-sudoku
2
answers
156
views
How to rotate a matrix 90 degrees clockwise in C#
asked
May 29, 2025
by
avibootz
c#
c#-matrix
1
answer
178
views
How to check if a matrix columns contain numbers without repetition in C#
asked
May 28, 2025
by
avibootz
c#
c#-matrix
1
answer
173
views
How to move the digits of a string with digits and letters to the beginning of the string in C#
asked
May 27, 2025
by
avibootz
c#
c#-string
1
answer
158
views
How to sort a string with digits and letters (digits before letters) in C#
asked
May 27, 2025
by
avibootz
c#
c#-sort
c#-string
1
answer
173
views
How to sort a string with digits and letters (letters before digits) in C#
asked
May 26, 2025
by
avibootz
c#
c#-string
c#-sort
1
answer
183
views
How to find repeated patterns of numbers in the rows of a matrix with C#
asked
May 25, 2025
by
avibootz
c#
c#-matrix
1
answer
160
views
How to convert a matrix of numbers to a string in C#
asked
May 24, 2025
by
avibootz
c#
c#-convert-matrix-numbers-to-string
convert-matrix-numbers-to-string
2
answers
159
views
How to find repeated rows of a matrix in C#
asked
May 24, 2025
by
avibootz
c#
c#-matrix
1
answer
178
views
How to check if a matrix rows contain numbers without repetition in C#
asked
May 23, 2025
by
avibootz
c#
c#-matrix
1
answer
183
views
How to write a generic solution to accept and invoke any function and return different types in C#
asked
May 21, 2025
by
avibootz
c#
c#-generic
2
answers
143
views
How to pass a runnable procedure (a function) as a parameter and run it in C#
asked
May 21, 2025
by
avibootz
c#
c#-function-parameter
1
answer
147
views
How to expose a read-only integer to the outside class while being writable inside a class with C#
asked
May 21, 2025
by
avibootz
c#
c#-read-only
3
answers
153
views
How to handle invalid argument in C#
asked
May 20, 2025
by
avibootz
c#
c#-argument
3
answers
138
views
How to allocate 1MB in C#
asked
May 19, 2025
by
avibootz
c#
c#-allocation
1
answer
145
views
How to stop a program in C#
asked
May 18, 2025
by
avibootz
c#
1
answer
190
views
How to make large number calculation using WinForms in C#
asked
May 18, 2025
by
avibootz
c#
c#-biginteger
1
answer
152
views
How to catch overflow exception in C#
asked
May 18, 2025
by
avibootz
c#
c#-overflow
1
answer
132
views
How to check if integer multiplication will overflow in C#
asked
May 18, 2025
by
avibootz
c#
c#-overflow
1
answer
145
views
How to check if integer addition will overflow in C#
asked
May 17, 2025
by
avibootz
c#
c#-overflow
1
answer
163
views
How to check whether a string is a palindrome, ignoring spaces and case in C#
asked
May 16, 2025
by
avibootz
c#
c#-palindrome
1
answer
148
views
How to declare a RegEx with character repetition to match the strings "http", "htttp", "httttp", etc in C#
asked
May 15, 2025
by
avibootz
c#
c#-regex
4
answers
130
views
How to round to 2 decimal places in C#
asked
May 15, 2025
by
avibootz
c#
c#-round
1
answer
152
views
How to round a floating-point number to an integer in C#
asked
May 14, 2025
by
avibootz
c#
c#-round
1
answer
96
views
How to find all double quote substrings in a string with C#
asked
May 12, 2025
by
avibootz
c#
c#-string
c#-substring
c#-regex
1
answer
101
views
How to combine a string with a dynamic double-quoted substring in C#
asked
May 12, 2025
by
avibootz
c#
c#-string
c#-substring
2
answers
197
views
How to declare a string with double quote substrings in C#
asked
May 12, 2025
by
avibootz
c#
c#-string
c#-substring
1
answer
134
views
How to find the largest palindrome made from the product of two 2-digit numbers in C#
asked
May 11, 2025
by
avibootz
c#
c#-palindrome
2
answers
135
views
How to search insert position of K in a sorted list with C#
asked
May 10, 2025
by
avibootz
c#
c#-list
1
answer
79
views
How to print all command line arguments except the program name in C#
asked
May 9, 2025
by
avibootz
c#
c#-arguments
1
answer
142
views
How to convert DateTime.Now to an integer in C#
asked
May 8, 2025
by
avibootz
c#
c#-date
2
answers
177
views
How to use the clock as a random generator seed in C#
asked
May 8, 2025
by
avibootz
c#
c#-random
1
answer
131
views
How to create a bitset in C#
asked
May 7, 2025
by
avibootz
c#
c#-bitset
1
answer
120
views
How to remove a random word from a string in C#
asked
May 4, 2025
by
avibootz
c#
c#-string
1
answer
167
views
How to pop the first element of a list in C#
asked
May 2, 2025
by
avibootz
c#
c#-list
1
answer
194
views
How to convert a URL inside a string to a hyperlink in C#
asked
May 1, 2025
by
avibootz
c#
c#-string
1
answer
131
views
How to pause execution for 5 seconds in C#
asked
Apr 29, 2025
by
avibootz
c#
3
answers
116
views
How to break the outer loop in C#
asked
Apr 28, 2025
by
avibootz
c#
c#-loop
1
answer
120
views
How to unload all open forms using WinForms in C#
asked
Apr 27, 2025
by
avibootz
c#
winforms
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