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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 kotlin
43,161
questions
56,039
answers
573
users
Recent questions tagged kotlin
1
answer
5
views
How to get the first digit of a float number in Kotlin
asked
5 hours
ago
by
avibootz
kotlin
kotlin-get-first-digit-float
get-first-digit-float
1
answer
8
views
How to compute the factorial of a number greater than 20 in Kotlin
asked
1 day
ago
by
avibootz
kotlin
kotlin-compute-factorial-of-number-greater-20
compute-factorial-of-number-greater-20
1
answer
12
views
How to select N unique random values that appear exactly once in an existing array with Kotlin
asked
2 days
ago
by
avibootz
kotlin
kotlin-n-unique-random-values-appear-once-in-array
n-unique-random-values-appear-once-in-array
1
answer
18
views
How to select N unique random indices from an existing array in Kotlin
asked
3 days
ago
by
avibootz
kotlin
kotlin-select-n-unique-random-indices-array
select-n-unique-random-indices-array
1
answer
29
views
How to find common words in two strings with Kotlin
asked
4 days
ago
by
avibootz
kotlin
kotlin-string
kotlin-find-common-words-two-strings
find-common-words-two-strings
1
answer
29
views
How to check whether a floating-point variable is an integer (has no fractional part) in Kotlin
asked
5 days
ago
by
avibootz
kotlin
kotlin-check-whether-floating-point-variable-is-integer
check-whether-floating-point-variable-is-integer
1
answer
28
views
How to generate all trigrams (3-character sequences) from a given word in Kotlin
asked
6 days
ago
by
avibootz
kotlin
kotlin-generate-all-trigrams-given-word
generate-all-trigrams-given-word
1
answer
44
views
How to compare two float arrays using a tolerance in Kotlin
asked
Sep 8
by
avibootz
kotlin
kotlin-compare-two-float-arrays-tolerance
compare-two-float-arrays-tolerance
1
answer
41
views
How to split text without spaces into a list of words using dictionary-based segmentation in Kotlin
asked
Sep 8
by
avibootz
kotlin
kotlin-split-text-without-spaces-into-words-dictionary
split-text-without-spaces-into-words-dictionary
1
answer
42
views
How to convert numbers from 0 to 999,999,999,999,999 (up to 999 trillion) into English words in Kotlin
asked
Sep 6
by
avibootz
kotlin
kotlin-convert-numbers-0-999999999999999-english-words
convert-numbers-0-999999999999999-english-words
1
answer
46
views
How to parse a table into a binary tree in Kotlin
asked
Sep 5
by
avibootz
kotlin
kotlin-parse-table-into-binary-tree
parse-table-into-binary-tree
1
answer
47
views
How to declare, initialize, and print a medium complexity, varied, feature‑rich data structure in Kotlin
asked
Sep 3
by
avibootz
kotlin
kotlin-declare-initialize-print-medium-complexity-data-structure
declare-initialize-print-medium-complexity-data-structure
1
answer
60
views
How to sort a list of data classes that contain nested data classes using custom comparison logic in Kotlin
asked
Sep 2
by
avibootz
kotlin
kotlin-sort-list-of-data-classes-contain-nested-classes
sort-list-of-data-classes-contain-nested-classes
1
answer
49
views
How to find the N most frequent non‑stopwords in a text in Kotlin
asked
Aug 31
by
avibootz
kotlin
kotlin-n-most-frequent-non-stopwords-text
n-most-frequent-non-stopwords-text
1
answer
57
views
How to find the starting index of all occurrences of a word in a string in Kotlin
asked
Aug 30
by
avibootz
kotlin
kotlin-find-starting-index-all-occurrences-word-string
find-starting-index-all-occurrences-word-string
2
answers
77
views
How to split a string into words in Kotlin
asked
Aug 29
by
avibootz
kotlin
kotlin-split-string
kotlin-split-string-into-words
split-string-into-words
1
answer
46
views
How to convert any digital storage unit into all others (B, KB, MB, GB, TB, PB, EB, ZB, YB) in Kotlin
asked
Aug 28
by
avibootz
kotlin
kotlin-convert-any-digital-storage-unit-into-all-others
convert-any-digital-storage-unit-into-all-others
1
answer
48
views
How to write the Tic-Tac-Toe game in Kotlin
asked
Aug 27
by
avibootz
kotlin
kotlin-tic-tac-toe-game
tic-tac-toe-game
1
answer
64
views
How to generate a random RGBA color and opacity in Kotlin
asked
Aug 25
by
avibootz
kotlin
kotlin-generate-random-rgba-color-opacity
generate-random-rgba-color-opacity
1
answer
63
views
How to generate a series of unique HEX colors in Kotlin
asked
Aug 24
by
avibootz
kotlin
kotlin-generate-series-unique-hex-colors
generate-series-unique-hex-colors
2
answers
135
views
How to print the numbers 0 to 31 by changing 1 bit each time in Kotlin
asked
Aug 22
by
avibootz
kotlin
kotlin-print-0-31-changing-1-bit-each-time
print-0-31-changing-1-bit-each-time
1
answer
81
views
How to generate N random 1s in a zero-based matrix with Kotlin
asked
Aug 21
by
avibootz
kotlin
kotlin-generate-n-random-1-zero-based-matrix
generate-n-random-1-zero-based-matrix
1
answer
63
views
How to find all sequences of consecutive prime numbers whose sum equals N in Kotlin
asked
Aug 20
by
avibootz
kotlin
kotlin-all-sequences-consecutive-prime-numbers-sum-equal-n
all-sequences-consecutive-prime-numbers-sum-equal-n
1
answer
75
views
How to print the first 100 prime numbers in Kotlin
asked
Aug 18
by
avibootz
kotlin
kotlin-print-first-100-prime-numbers
print-first-100-prime-numbers
1
answer
78
views
How to initialize a list with a range of numbers in Kotlin
asked
Aug 18
by
avibootz
kotlin
initialize-list-range-of-numbers
1
answer
75
views
How to initialize an array with a range of numbers in Kotlin
asked
Aug 18
by
avibootz
kotlin
kotlin-initialize-array-range-of-numbers
initialize-array-range-of-numbers
1
answer
69
views
How to do modulo multiplication for 64‑bit values without using BigInteger in Kotlin
asked
Aug 16
by
avibootz
kotlin
kotlin-modulo-multiplication-64-bit-values-without-biginteger
1
answer
92
views
How to remove every N‑th element from an array in Kotlin
asked
Aug 16
by
avibootz
kotlin
kotlin-remove-every-n-element-list
remove-every-n-element-list
1
answer
98
views
How to remove every N‑th element from a list in Kotlin
asked
Aug 15
by
avibootz
kotlin
kotlin-remove-every-n-element-list
remove-every-n-element-list
1
answer
88
views
How to build sparse array in Kotlin
asked
Aug 15
by
avibootz
kotlin
kotlin-build-sparse-array
build-sparse-array
1
answer
93
views
How to get the first N digits of a BigInteger in Kotlin
asked
Aug 13
by
avibootz
kotlin
kotlin-get-first-n-digits-biginteger
get-first-n-digits-biginteger
2
answers
124
views
How to count the number of digits in an integer with Kotlin
asked
Aug 13
by
avibootz
kotlin
kotlin-count-digits-integer
count-digits-integer
1
answer
83
views
How to extract and sort numbers from a string containing numbers and text in Kotlin
asked
Aug 13
by
avibootz
kotlin
kotlin-extract-sort-numbers-string
extract-sort-numbers-string
1
answer
90
views
How to convert radians to degrees and degrees to radians in Kotlin
asked
Aug 12
by
avibootz
kotlin
kotlin-convert-radians-degrees-degrees-radians
convert-radians-degrees-degrees-radians
1
answer
90
views
How to find the N smallest values in a 2D array in Kotlin
asked
Aug 10
by
avibootz
kotlin
kotlin-find-n-smallest-values-2d-array
find-n-smallest-values-2d-array
1
answer
91
views
How to sort an array with a single loop in Kotlin
asked
Aug 8
by
avibootz
kotlin
kotlin-sort-array-with-single-loop
sort-array-with-single-loop
1
answer
84
views
How to remove extra whitespace from a string in Kotlin
asked
Aug 8
by
avibootz
kotlin
kotlin-remove-extra-whitespace-string
remove-extra-whitespace-string
1
answer
105
views
How to calculate the distance between two latitude-longitude points in Kotlin
asked
Aug 7
by
avibootz
kotlin
kotlin-distance-between-two-latitude-longitude-points
distance-between-two-latitude-longitude-points
1
answer
99
views
How to convert a decimal to integer in Kotlin
asked
Aug 6
by
avibootz
kotlin
kotlin-convert-decimal-number-to-rational-number
convert-decimal-number-to-rational-number
1
answer
87
views
How to calculate the volume of a cube in Kotlin
asked
Aug 4
by
avibootz
kotlin
kotlin-calculate-volume-cube
calculate-volume-cube
1
answer
95
views
How to remove duplicate words with Unicode characters from free‑text in Kotlin
asked
Aug 4
by
avibootz
kotlin
kotlin-remove-duplicate-words-unicode-free-text
remove-duplicate-words-unicode-free-text
1
answer
91
views
How to remove duplicate words from free‑text in Kotlin
asked
Aug 3
by
avibootz
kotlin
kotlin-remove-duplicate-words-from-free-text
remove-duplicate-words-from-free-text
1
answer
95
views
How to remove duplicate case‑insensitive words separated by multiple delimiters from a string in Kotlin
asked
Aug 2
by
avibootz
kotlin
kotlin-remove-duplicate-case-insensitive-words-multiple-delimiters-from-string
remove-duplicate-case-insensitive-words-multiple-delimiters-from-string
1
answer
102
views
How to perform high‑performance reversible text compression using a word dictionary in Kotlin
asked
Aug 1
by
avibootz
kotlin
kotlin-text-compression-using-word-dictionary
text-compression-using-word-dictionary
1
answer
91
views
How to traverse a slice from both sides at the same time in Kotlin
asked
Jul 31
by
avibootz
kotlin
kotlin-traverse-slice-both-sides-same-time
traverse-slice-both-sides-same-time
1
answer
91
views
How to generate random Powerball lottery numbers (pick 5 numbers from 1-69 + 1 Powerball from 1-26) in Kotlin
asked
Jul 30
by
avibootz
kotlin
kotlin-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
94
views
How to compute the total number of Powerball lottery combinations (5 out of 99 and 1 out of 26) in Kotlin
asked
Jul 29
by
avibootz
kotlin
kotlin-compute-total-number-powerball-lottery-combinations-5-99-and-1-26
compute-total-number-powerball-lottery-combinations-5-99-and-1-26
1
answer
99
views
How to generate random lottery numbers for 6 numbers out of 37 and 1 power number out of 7 in Kotlin
asked
Jul 28
by
avibootz
kotlin
kotlin-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
97
views
How to compute the total number of lottery combinations for choosing 6 out of 37 and 1 power out of 7 in Kotlin
asked
Jul 27
by
avibootz
kotlin
kotlin-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
78
views
How to divide a given amount into bills (banknotes) and coins in Kotlin
asked
Jul 26
by
avibootz
kotlin
kotlin-divide-given-amount-into-bills-coins
divide-given-amount-into-bills-coins
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