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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 SWIFT
43,500
questions
56,675
answers
573
users
Recent questions tagged SWIFT
2
answers
30
views
How to sum the corners of a matrix in Swift
asked
1 day
ago
by
avibootz
swift
swift-matrix
swift-sum-corners-matrix
sum-corners-matrix
3
answers
56
views
How to rearrange a slice into a zig-zag pattern (a < b > c < d > e < f > g) in Swift
asked
4 days
ago
by
avibootz
swift
swift-rearrange-slice-zig-zag-pattern
rearrange-slice-zig-zag-pattern
3
answers
49
views
How to compare floating-point values safely in Swift
asked
4 days
ago
by
avibootz
swift
swift-floating-point
swift-compare-floating-point-safely
compare-floating-point-safely
2
answers
62
views
How to generate a range of floating-point numbers in Swift
asked
5 days
ago
by
avibootz
swift
swift-floating-point
swift-generate-range-floating-point-numbers
generate-range-floating-point-numbers
3
answers
64
views
How to mask a number with stars except the last 4 digits in Swift
asked
6 days
ago
by
avibootz
swift
swift-mask-number-stars-except-last-4-digits
mask-number-stars-except-last-4-digits
2
answers
81
views
How to remove characters present in first string from the second string in Swift
asked
Oct 4
by
avibootz
swift
swift-string
swift-remove-characters-first-string-from-second-string
remove-characters-first-string-from-second-string
1
answer
57
views
How to convert a string to an array of characters in Swift
asked
Oct 3
by
avibootz
swift
swift-string
swift-string-to-array-characters
string-to-array-characters
1
answer
59
views
How to generate an 8 digits random number in Swift
asked
Oct 3
by
avibootz
swift
swift-generate-8-digit-random-number
generate-8-digit-random-number
1
answer
53
views
How do you find the position of the most significant bit (MSB) of an unsigned integer in Swift
asked
Oct 1
by
avibootz
swift
swift-position-msb-integer
position-msb-integer
1
answer
54
views
How to use XOR to swap two characters in a string in Swift
asked
Sep 30
by
avibootz
swift
swift-xor-swap-two-characters-string
xor-swap-two-characters-string
1
answer
68
views
How to find the intersection of two arrays (values that exist in both arrays) in Swift
asked
Sep 29
by
avibootz
swift
swift-intersection-two-arrays
intersection-two-arrays
1
answer
73
views
How to check whether the letters of a word exist in a string (order doesn't matter) in Swift
asked
Sep 27
by
avibootz
swift
swift-letters-of-word-exist-in-string-order-doesnt-matter
letters-of-word-exist-in-string-order-doesnt-matter
1
answer
68
views
How to find the element with minimum occurrences in an array with Swift
asked
Sep 26
by
avibootz
swift
swift-element-minimum-occurrences-array
element-minimum-occurrences-array
1
answer
66
views
How to convert multiple date formats to YYYY-MM-DD in Swift
asked
Sep 25
by
avibootz
swift
swift-convert-convert-date-formats-to-yyyy-mm-dd
convert-convert-date-formats-to-yyyy-mm-dd
1
answer
69
views
How to sort a list of string‑based dates in Swift
asked
Sep 23
by
avibootz
swift
swift-sort-list-string-based-dates
sort-list-string-based-dates
1
answer
63
views
How to print a number with a thousand separator as spaces in Swift
asked
Sep 22
by
avibootz
swift
swift-number-thousand-separator-spaces
number-thousand-separator-spaces
1
answer
67
views
How to count the numbers with even number of digits in an array with Swift
asked
Sep 21
by
avibootz
swift
swift-count-numbers-even-number-of-digits-array
count-numbers-even-number-of-digits-array
1
answer
84
views
How to compare two dates in Swift
asked
Sep 20
by
avibootz
swift
swift-compare-two-dates
compare-two-dates
1
answer
88
views
How to extract the last N digits from a number in Swift
asked
Sep 18
by
avibootz
swift
swift-extract-last-n-digits-number
extract-last-n-digits-number
1
answer
72
views
How to extract all floating-point numbers from a string of words in Swift
asked
Sep 18
by
avibootz
swift
swift-extract-all-floating-point-numbers-string
extract-all-floating-point-numbers-string
1
answer
83
views
How to extract all digits from a string in Swift
asked
Sep 17
by
avibootz
swift
swift-extract-all-digits-string
extract-all-digits-string
1
answer
83
views
How to get the first digit of a float number in Swift
asked
Sep 15
by
avibootz
swift
swift-get-first-digit-float
get-first-digit-float
1
answer
79
views
How to compute the factorial of a number greater than 20 in Swift
asked
Sep 14
by
avibootz
swift
swift-compute-factorial-of-number-greater-20
compute-factorial-of-number-greater-20
1
answer
74
views
How to select N unique random values that appear exactly once in an existing array with Swift
asked
Sep 13
by
avibootz
swift
swift-n-unique-random-values-appear-once-in-array
n-unique-random-values-appear-once-in-array
1
answer
86
views
How to select N unique random indices from an existing array in Swift
asked
Sep 12
by
avibootz
swift
swift-select-n-unique-random-indices-array
select-n-unique-random-indices-array
1
answer
86
views
How to find common words in two strings with Swift
asked
Sep 11
by
avibootz
swift
swift-string
swift-find-common-words-two-strings
find-common-words-two-strings
1
answer
86
views
How to check whether a floating-point variable is an integer (has no fractional part) in Swift
asked
Sep 10
by
avibootz
swift
swift-check-whether-floating-point-variable-is-integer
check-whether-floating-point-variable-is-integer
1
answer
87
views
How to generate all trigrams (3-character sequences) from a given word in Swift
asked
Sep 9
by
avibootz
swift
swift-generate-all-trigrams-given-word
generate-all-trigrams-given-word
1
answer
100
views
How to compare two float arrays using a tolerance in Swift
asked
Sep 8
by
avibootz
swift
swift-compare-two-float-arrays-tolerance
compare-two-float-arrays-tolerance
1
answer
104
views
How to split text without spaces into a list of words using dictionary-based segmentation in Swift
asked
Sep 8
by
avibootz
swift
swift-split-text-without-spaces-into-words-dictionary
split-text-without-spaces-into-words-dictionary
1
answer
91
views
How to convert numbers from 0 to 999,999,999,999,999 (up to 999 trillion) into English words in Swift
asked
Sep 6
by
avibootz
swift
swift-convert-numbers-0-999999999999999-english-words
convert-numbers-0-999999999999999-english-words
1
answer
102
views
How to parse a table into a binary tree in Swift
asked
Sep 5
by
avibootz
swift
swift-parse-table-into-binary-tree
parse-table-into-binary-tree
1
answer
92
views
How to declare, initialize, and print a medium complexity, varied, feature‑rich data structure in Swift
asked
Sep 3
by
avibootz
swift
swift-declare-initialize-print-medium-complexity-data-structure
declare-initialize-print-medium-complexity-data-structure
2
answers
131
views
How to sort an array of structs that contain nested structs using custom comparison logic in Swift
asked
Sep 1
by
avibootz
swift
swift-sort-array-of-structs-contain-nested-structs
sort-array-of-structs-contain-nested-structs
1
answer
94
views
How to find the N most frequent non‑stopwords in a text in Swift
asked
Aug 31
by
avibootz
swift
swift-n-most-frequent-non-stopwords-text
n-most-frequent-non-stopwords-text
1
answer
95
views
How to find the starting index of all occurrences of a word in a string in Swift
asked
Aug 30
by
avibootz
swift
swift-find-starting-index-all-occurrences-word-string
find-starting-index-all-occurrences-word-string
2
answers
119
views
How to split a string into words in Swift
asked
Aug 29
by
avibootz
swift
swift-split-string
swift-split-string-into-words
split-string-into-words
1
answer
94
views
How to convert any digital storage unit into all others (B, KB, MB, GB, TB, PB, EB, ZB, YB) in Swift
asked
Aug 28
by
avibootz
swift
swift-convert-any-digital-storage-unit-into-all-others
convert-any-digital-storage-unit-into-all-others
1
answer
92
views
How to write the Tic-Tac-Toe game in Swift
asked
Aug 27
by
avibootz
swift
swift-tic-tac-toe-game
tic-tac-toe-game
1
answer
101
views
How to generate a random RGBA color and opacity in Swift
asked
Aug 25
by
avibootz
swift
swift-generate-random-rgba-color-opacity
generate-random-rgba-color-opacity
1
answer
102
views
How to generate a series of unique HEX colors in Swift
asked
Aug 24
by
avibootz
swift
swift-generate-series-unique-hex-colors
generate-series-unique-hex-colors
2
answers
191
views
How to print the numbers 0 to 31 by changing 1 bit each time in Swift
asked
Aug 22
by
avibootz
swift
swift-print-0-31-changing-1-bit-each-time
print-0-31-changing-1-bit-each-time
1
answer
101
views
How to generate N random 1s in a zero-based matrix with Swift
asked
Aug 21
by
avibootz
swift
swift-generate-n-random-1-zero-based-matrix
generate-n-random-1-zero-based-matrix
1
answer
96
views
How to find all sequences of consecutive prime numbers whose sum equals N in Swift
asked
Aug 20
by
avibootz
swift
swift-all-sequences-consecutive-prime-numbers-sum-equal-n
all-sequences-consecutive-prime-numbers-sum-equal-n
1
answer
103
views
How to print the first 100 prime numbers in Swift
asked
Aug 18
by
avibootz
swift
swift-print-first-100-prime-numbers
print-first-100-prime-numbers
1
answer
120
views
How to initialize an array with a range of numbers in Swift
asked
Aug 18
by
avibootz
swift
swift-initialize-array-range-of-numbers
initialize-array-range-of-numbers
1
answer
119
views
How to do modulo multiplication for 64‑bit values without using BigInteger in Swift
asked
Aug 16
by
avibootz
swift
swift-modulo-multiplication-64-bit-values-without-biginteger
modulo-multiplication-64-bit-values-without-biginteger
1
answer
128
views
How to remove every N‑th element from an array in Swift
asked
Aug 16
by
avibootz
swift
swift-remove-every-n-element-array
remove-every-n-element-array
1
answer
126
views
How to build sparse array in Swift
asked
Aug 15
by
avibootz
swift
swift-build-sparse-array
build-sparse-array
1
answer
126
views
How to get the first N digits of a BigInteger in Swift
asked
Aug 14
by
avibootz
swift
swift-get-first-n-digits-biginteger
get-first-n-digits-biginteger
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