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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
43,181
questions
56,073
answers
573
users
Recent questions tagged swift
1
answer
10
views
How to extract all digits from a string in Swift
asked
12 hours
ago
by
avibootz
swift
swift-extract-all-digits-string
extract-all-digits-string
1
answer
9
views
How to get the first digit of a float number in Swift
asked
2 days
ago
by
avibootz
swift
swift-get-first-digit-float
get-first-digit-float
1
answer
16
views
How to compute the factorial of a number greater than 20 in Swift
asked
3 days
ago
by
avibootz
swift
swift-compute-factorial-of-number-greater-20
compute-factorial-of-number-greater-20
1
answer
26
views
How to select N unique random values that appear exactly once in an existing array with Swift
asked
4 days
ago
by
avibootz
swift
swift-n-unique-random-values-appear-once-in-array
n-unique-random-values-appear-once-in-array
1
answer
37
views
How to select N unique random indices from an existing array in Swift
asked
5 days
ago
by
avibootz
swift
swift-select-n-unique-random-indices-array
select-n-unique-random-indices-array
1
answer
37
views
How to find common words in two strings with Swift
asked
6 days
ago
by
avibootz
swift
swift-string
swift-find-common-words-two-strings
find-common-words-two-strings
1
answer
40
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
39
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
50
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
53
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
46
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
50
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
45
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
79
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
49
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
51
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
66
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
56
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
50
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
70
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
65
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
130
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
67
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
61
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
68
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
77
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
84
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
94
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
89
views
How to build sparse array in Swift
asked
Aug 15
by
avibootz
swift
swift-build-sparse-array
build-sparse-array
1
answer
88
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
2
answers
126
views
How to count the number of digits in an integer with Swift
asked
Aug 13
by
avibootz
swift
swift-count-digits-integer
count-digits-integer
1
answer
83
views
How to extract and sort numbers from a string containing numbers and text in Swift
asked
Aug 13
by
avibootz
swift
swift-extract-sort-numbers-string
extract-sort-numbers-string
1
answer
94
views
How to convert radians to degrees and degrees to radians in Swift
asked
Aug 12
by
avibootz
swift
swift-convert-radians-degrees-degrees-radians
convert-radians-degrees-degrees-radians
1
answer
89
views
How to find the N smallest values in a 2D array in Swift
asked
Aug 10
by
avibootz
swift
swift-find-n-smallest-values-2d-array
find-n-smallest-values-2d-array
1
answer
101
views
How to sort an array with a single loop in Swift
asked
Aug 8
by
avibootz
swift
swift-sort-array-with-single-loop
sort-array-with-single-loop
1
answer
95
views
How to remove extra whitespace from a string in Swift
asked
Aug 8
by
avibootz
swift
swift-remove-extra-whitespace-string
remove-extra-whitespace-string
1
answer
95
views
How to calculate the distance between two latitude-longitude points in Swift
asked
Aug 7
by
avibootz
swift
swift-distance-between-two-latitude-longitude-points
distance-between-two-latitude-longitude-points
1
answer
84
views
How to convert a decimal to int64 in Swift
asked
Aug 6
by
avibootz
swift
swift-convert-decimal-to-int64
convert-decimal-to-int64
1
answer
99
views
How to calculate the volume of a cube in Swift
asked
Aug 4
by
avibootz
swift
swift-calculate-volume-cube
calculate-volume-cube
1
answer
93
views
How to remove duplicate words with Unicode characters from free‑text in Swift
asked
Aug 4
by
avibootz
swift
swift-remove-duplicate-words-unicode-free-text
remove-duplicate-words-unicode-free-text
1
answer
96
views
How to remove duplicate words from free‑text in Swift
asked
Aug 3
by
avibootz
swift
swift-remove-duplicate-words-from-free-text
remove-duplicate-words-from-free-text
1
answer
93
views
How to remove duplicate case‑insensitive words separated by multiple delimiters from a string in Swift
asked
Aug 2
by
avibootz
swift
swift-remove-duplicate-case-insensitive-words-multiple-delimiters-from-string
remove-duplicate-case-insensitive-words-multiple-delimiters-from-string
1
answer
99
views
How to perform high‑performance reversible text compression using a word dictionary in Swift
asked
Aug 1
by
avibootz
swift
swift-text-compression-using-word-dictionary
text-compression-using-word-dictionary
1
answer
88
views
How to traverse a slice from both sides at the same time in Swift
asked
Jul 31
by
avibootz
swift
swift-traverse-slice-both-sides-same-time
traverse-slice-both-sides-same-time
1
answer
89
views
How to generate random Powerball lottery numbers (pick 5 numbers from 1-69 + 1 Powerball from 1-26) in Swift
asked
Jul 30
by
avibootz
swift
swift-generate-random-powerball-lottery-numbers-5-of-1-69-and-1-of-1-26
generate-random-powerball-lottery-numbers-5-of-1-69-and-1-of-1-26
1
answer
82
views
How to compute the total number of Powerball lottery combinations (5 out of 99 and 1 out of 26) in Swift
asked
Jul 29
by
avibootz
swift
swift-compute-total-number-powerball-lottery-combinations-5-99-and-1-26
compute-total-number-powerball-lottery-combinations-5-99-and-1-26
1
answer
91
views
How to generate random lottery numbers for 6 numbers out of 37 and 1 power number out of 7 in Swift
asked
Jul 28
by
avibootz
swift
swift-generate-random-lottery-numbers-for-6-out-of-37-power-1-out-of-7
generate-random-lottery-numbers-for-6-out-of-37-power-1-out-of-7
1
answer
90
views
How to compute the total number of lottery combinations for choosing 6 out of 37 and 1 power out of 7 in Swift
asked
Jul 27
by
avibootz
swift
swift-total-lottery-combinations-choosing-6-out-of-37-power-1-out-of-7
total-lottery-combinations-choosing-6-out-of-37-power-1-out-of-7
1
answer
95
views
How to divide a given amount into bills (banknotes) and coins in Swift
asked
Jul 26
by
avibootz
swift
swift-divide-given-amount-into-bills-coins
divide-given-amount-into-bills-coins
1
answer
84
views
How to find the Nth set bit in a 32‑bit integer with Swift
asked
Jul 25
by
avibootz
swift
swift-find-n-set-bit-in-32-bit-integer
find-n-set-bit-in-32-bit-integer
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