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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#
40,948
questions
53,412
answers
573
users
Recent questions tagged c#
1
answer
93
views
How to detect if 32-bit or 64-bit architecture in a WinForms application using C#
asked
Jun 20, 2025
by
avibootz
c#
winforms
c#-os
1
answer
89
views
How to create a random sublist from a list in C#
asked
Jun 20, 2025
by
avibootz
c#
c#-list
2
answers
73
views
How to format an integer with zero-padding in C#
asked
Jun 18, 2025
by
avibootz
c#
c#-padding
2
answers
57
views
How to find the average between RGB colors c1 and c2 in C#
asked
Jun 18, 2025
by
avibootz
c#
c#-color
2
answers
50
views
How to concatenate string with integer in C#
asked
Jun 17, 2025
by
avibootz
c#
c#-concatenate
1
answer
65
views
How to remove string trailing path separator in C#
asked
Jun 16, 2025
by
avibootz
c#
c#-string
1
answer
72
views
How to match the first word after an expression in a string using RegEx with C#
asked
Jun 15, 2025
by
avibootz
c#
c#-regex
1
answer
85
views
How to remove the trailing slashes from a string in C#
asked
Jun 14, 2025
by
avibootz
c#
c#-string
2
answers
126
views
How to remove all non-ASCII characters from a string in C#
asked
Jun 12, 2025
by
avibootz
c#
c#-string
c#-ascii
1
answer
66
views
How to calculate the date six months from the current date in C#
asked
Jun 12, 2025
by
avibootz
c#
c#-date
1
answer
75
views
How to replace the characters !@#$%^*_+\= in a string using RegEx with C#
asked
Jun 11, 2025
by
avibootz
c#
c#-regex
1
answer
53
views
How to implement the power function in C#
asked
Jun 11, 2025
by
avibootz
c#
c#-pow
1
answer
85
views
How to find the first occurrence of a pattern in a string from some starting position in C#
asked
Jun 10, 2025
by
avibootz
c#
c#-string
1
answer
85
views
How to group Anagrams from an array of strings in C#
asked
Jun 9, 2025
by
avibootz
c#
c#-anagram
3
answers
72
views
How to check if date1 is before date2 in C#
asked
Jun 8, 2025
by
avibootz
c#
c#-date
1
answer
95
views
How to check if a string is blank (empty, null, or contains only whitespace) in C#
asked
Jun 7, 2025
by
avibootz
c#
c#-string
1
answer
81
views
How to replace consecutive characters with only one using RegEx in C#
asked
Jun 6, 2025
by
avibootz
c#
c#-regex
1
answer
70
views
How to get OS name on Unix-like systems with C#
asked
Jun 6, 2025
by
avibootz
c#
c#-os
1
answer
122
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
104
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
100
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
63
views
How to get the number of bytes of a variable in C#
asked
Jun 4, 2025
by
avibootz
c#
c#-byte
1
answer
140
views
How to get the current executable name in C#
asked
Jun 3, 2025
by
avibootz
c#
c#-exe
1
answer
118
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
103
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
112
views
How to calculate the future occurrences of Friday the 13th in C#
asked
May 31, 2025
by
avibootz
c#
c#-date
1
answer
129
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
100
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
139
views
How to rotate a matrix 90 degrees clockwise in C#
asked
May 29, 2025
by
avibootz
c#
c#-matrix
1
answer
154
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
153
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
143
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
146
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
158
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
144
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
130
views
How to find repeated rows of a matrix in C#
asked
May 24, 2025
by
avibootz
c#
c#-matrix
1
answer
151
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
164
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
116
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
123
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
133
views
How to handle invalid argument in C#
asked
May 20, 2025
by
avibootz
c#
c#-argument
3
answers
119
views
How to allocate 1MB in C#
asked
May 19, 2025
by
avibootz
c#
c#-allocation
1
answer
118
views
How to stop a program in C#
asked
May 18, 2025
by
avibootz
c#
1
answer
163
views
How to make large number calculation using WinForms in C#
asked
May 18, 2025
by
avibootz
c#
c#-biginteger
1
answer
131
views
How to catch overflow exception in C#
asked
May 18, 2025
by
avibootz
c#
c#-overflow
1
answer
120
views
How to check if integer multiplication will overflow in C#
asked
May 18, 2025
by
avibootz
c#
c#-overflow
1
answer
121
views
How to check if integer addition will overflow in C#
asked
May 17, 2025
by
avibootz
c#
c#-overflow
1
answer
144
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
132
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
116
views
How to round to 2 decimal places in C#
asked
May 15, 2025
by
avibootz
c#
c#-round
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