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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
41,213
questions
53,714
answers
573
users
Recent questions tagged swift
1
answer
6
views
How to create a list of random file names, including extension, dates, and file size in Swift
asked
2 hours
ago
by
avibootz
swift
swift-file
swift-list-random-file-names-extension-dates-size
list-random-file-names-extension-dates-size
1
answer
9
views
How to create a list of random dates in Swift
asked
6 hours
ago
by
avibootz
swift
swift-create-list-random-dates
create-list-random-dates
1
answer
14
views
How to compress and decompress repeated string characters by storing the repeated length (RLE) in Swift
asked
2 days
ago
by
avibootz
swift
swift-compress-decompress-repeated-string-characters
compress-decompress-repeated-string-characters
1
answer
14
views
How to calculate the 100th term of the sequence 8, 64, 80, 136, 152 in Swift
asked
3 days
ago
by
avibootz
swift
swift-calculate-100th-term-of-sequence-8-64-80-136-152
calculate-100th-term-of-sequence-8-64-80-136-152
1
answer
14
views
How to convert an array of multi‑digit numbers to a number in Swift
asked
4 days
ago
by
avibootz
swift
swift-array-multi-digit-numbers-to-number
array-multi-digit-numbers-to-number
1
answer
21
views
How to get accurate ticks from a timer (high‑resolution timer) in Swift
asked
6 days
ago
by
avibootz
swift
swift-accurate-ticks-timer
accurate-ticks-timer
1
answer
28
views
How to create a sorted unique list from a matrix in Swift
asked
May 7
by
avibootz
swift
swift-sorted-unique-array-from-matrix
sorted-unique-array-from-matrix
1
answer
29
views
How to create a common sorted unique array from 3 integer arrays in Swift
asked
May 6
by
avibootz
swift
swift-common-sorted-unique-array-from-arrays
common-sorted-unique-array-from-arrays
1
answer
27
views
How to convert an integer into its written‑out English words in Swift
asked
May 5
by
avibootz
swift
swift-convert-integer-english-words
convert-integer-english-words
1
answer
22
views
How to calculate all the less than 500 additive prime numbers in Swift
asked
May 4
by
avibootz
swift
swift-calculate-additive-prime
calculate-additive-prime
1
answer
22
views
How to define a terabyte constant in Swift
asked
May 3
by
avibootz
swift
swift-terabyte-constant
terabyte-constant
1
answer
20
views
How to define an exabyte constant in Swift
asked
May 3
by
avibootz
swift
swift-exabyte-constant
exabyte-constant
1
answer
45
views
How to define a petabyte constant in Swift
asked
May 3
by
avibootz
swift
swift-petabyte-constant
petabyte-constant
1
answer
26
views
How to use math functions and constants in Swift
asked
Apr 30
by
avibootz
swift
swift-math-functions-constants
math-functions-constants
6
answers
55
views
How to create a function with an optional parameter in Swift
asked
Apr 29
by
avibootz
swift
swift-function-optional-parameter
function-optional-parameter
1
answer
34
views
How to decode Leet Speak (where numbers resemble letters (7->T, 1->I, 5->S, 3 -> E)) in Swift
asked
Apr 27
by
avibootz
swift
swift-decode-leet-speak
decode-leet-speak
1
answer
33
views
How to reconstruct a full sparse matrix from a compact (triplet) matrix in Swift
asked
Apr 27
by
avibootz
swift
swift-reconstruct-sparse-matrix-from-compact-triplet-matrix
reconstruct-sparse-matrix-from-compact-triplet-matrix
1
answer
32
views
How to express a decimal number as a fixed-length string with leading zeros in Swift
asked
Apr 26
by
avibootz
swift
swift-decimal-number-to-string-leading-zeros
decimal-number-to-string-leading-zeros
1
answer
26
views
How to create an enumeration of constants with and without explicit values in Swift
asked
Apr 26
by
avibootz
swift
swift-create-enumeration-with-without-values
create-enumeration-with-without-values
1
answer
37
views
How to compact a sparse matrix in Swift
asked
Apr 24
by
avibootz
swift
swift-compact-sparse-matrix
compact-sparse-matrix
1
answer
36
views
How to search for a word in a grid of characters with Swift
asked
Apr 23
by
avibootz
swift
swift-search
swift-grid
swift-search-word-grid-characters
search-word-grid-characters
2
answers
37
views
How to create a generic method in Swift
asked
Apr 22
by
avibootz
swift
swift-create-generic-method
create-generic-method
1
answer
40
views
How to localize date format in Swift
asked
Apr 20
by
avibootz
swift
swift-localize-date-format
localize-date-format
1
answer
35
views
How to get the number of days needed to wait after a day (a[i]) gets warmer given an array of temperatures in Swift
asked
Apr 18
by
avibootz
swift
swift-daily-temperatures-days-wait-gets-warmer
daily-temperatures-days-wait-gets-warmer
1
answer
43
views
How to check if a string is title case in Swift
asked
Apr 17
by
avibootz
swift
swift-check-string-title-case
check-string-title-case
6
answers
60
views
How to copy a string in Swift
asked
Apr 17
by
avibootz
swift
swift-copy-string
copy-string
1
answer
35
views
How to represent the Boolean "true" and "false" in Swift
asked
Apr 15
by
avibootz
swift
swift-represent-boolean-true-false
represent-boolean-true-false
1
answer
42
views
How to calculate relative past time from a given date & time (e.g., 3 hours ago, 5 days ago, a month ago) in Swift
asked
Apr 13
by
avibootz
swift
swift-calculate-relative-past-time-date-time
calculate-relative-past-time-date-time
1
answer
44
views
How to convert a decimal to a double in Swift
asked
Apr 12
by
avibootz
swift
swift-convert-decimal-double
convert-decimal-double
2
answers
36
views
How to convert a decimal string to a double in Swift
asked
Apr 12
by
avibootz
swift
swift-convert-decimal-string-double
convert-decimal-string-double
1
answer
38
views
How to convert a float to a double in Swift
asked
Apr 12
by
avibootz
swift
swift-convert-float-double
convert-float-double
3
answers
50
views
How to create an infinite loop in Swift
asked
Apr 11
by
avibootz
swift
swift-create-infinite-loop
create-infinite-loop
1
answer
36
views
How to add a new interval into a sorted array of non‑overlapping intervals in Swift
asked
Apr 9
by
avibootz
swift
swift-add-interval-into-sorted-array-non-overlapping-intervals
add-interval-into-sorted-array-non-overlapping-intervals
1
answer
32
views
How to detect whether any intervals overlap in a list of start and end times with Swift
asked
Apr 9
by
avibootz
swift
swift-detect-intervals-overlap-list-start-end-times
detect-intervals-overlap-list-start-end-times
1
answer
38
views
How to print text diagonally from left to right recursively in Swift
asked
Apr 8
by
avibootz
swift
swift-print-text-diagonally-from-left-to-right-recursively
print-text-diagonally-from-left-to-right-recursively
1
answer
31
views
How to print text diagonally from left to right in Swift
asked
Apr 8
by
avibootz
swift
swift-print-text-diagonally-from-left-to-right
print-text-diagonally-from-left-to-right
1
answer
33
views
How to find the maximum value we can achieve by picking k elements from a list in Swift
asked
Apr 6
by
avibootz
swift
swift-maximum-value-k-elements-array
maximum-value-k-elements-array
1
answer
45
views
How to reverse the bits of a number in Swift
asked
Apr 4
by
avibootz
swift
swift-reverse-bits-number
reverse-bits-number
1
answer
41
views
How to check whether only 2 bits in a number at a specific position are on (edge‑case‑safe) with Swift
asked
Apr 4
by
avibootz
swift
swift-check-2-number-bits-specific-position-on-edge-case-safe
check-2-number-bits-specific-position-on-edge-case-safe
1
answer
40
views
How to toggle a bit at specific position in Swift
asked
Apr 3
by
avibootz
swift
swift-toggle-bit-specific-position
toggle-bit-specific-position
1
answer
38
views
How to write 4 different functions that check if a number is a power of 2 in Swift
asked
Apr 2
by
avibootz
swift
swift-different-functions-check-number-power-of-2
different-functions-check-number-power-of-2
1
answer
38
views
How to write 6 different functions that accept 5 or 7 and return the other number, without using if,switch in Swift
asked
Apr 1
by
avibootz
swift
swift-different-functions-accept-5-7-return-other-number
different-functions-accept-5-7-return-other-number
1
answer
40
views
How to copy bits from M into N (numbers) between bit positions i and j (edge‑case‑safe) in Swift
asked
Mar 31
by
avibootz
swift
swift-bits
swift-copy-bits-m-into-n-between-positions-edge-case-safe
copy-bits-m-into-n-between-positions-edge-case-safe
1
answer
40
views
How to get the word before the last word from a string (edge‑case‑safe) in Swift
asked
Mar 29
by
avibootz
swift
swift-string
swift-get-word-before-last-string-edge-case-safe
get-word-before-last-string-edge-case-safe
1
answer
46
views
How to find the median among three given numbers in Swift
asked
Mar 26
by
avibootz
swift
swift-median-among-three-given-numbers
median-among-three-given-numbers
1
answer
40
views
How to find the smallest number greater than a given number, using the same digits in Swift
asked
Mar 26
by
avibootz
swift
swift-smallest-number-greater-given-number-same-digits
smallest-number-greater-given-number-same-digits
1
answer
41
views
How to produce a sequential count in octal, starting at zero in Swift
asked
Mar 24
by
avibootz
swift
swift-sequential-count-octal
sequential-count-octal
7
answers
87
views
How to iterate over a collection of key-value pairs (associative array) in Swift
asked
Mar 23
by
avibootz
swift
swift-iterate-collection-key-value-pairs
iterate-collection-key-value-pairs
1
answer
38
views
How to write custom callback function to an array (apply a function to each element) in Swift
asked
Mar 21
by
avibootz
swift
swift-custom-callback-function-to-array
custom-callback-function-to-array
1
answer
36
views
How to apply a callback to an array (apply a function to each element) in Swift
asked
Mar 21
by
avibootz
swift
swift-callback-to-array
callback-to-array
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