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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 scala
40,948
questions
53,412
answers
573
users
Recent questions tagged scala
1
answer
13
views
How to hash a string with SHA-256 in Scala
asked
3 hours
ago
by
avibootz
scala
scala-hash-string-sha-256
hash-string-sha-256
1
answer
13
views
How to use math functions and constants in Scala
asked
1 day
ago
by
avibootz
scala
scala-math-functions-constants
math-functions-constants
3
answers
18
views
How to create a function with an optional parameter in Scala
asked
2 days
ago
by
avibootz
scala
scala-function-optional-parameter
function-optional-parameter
1
answer
23
views
How to decode Leet Speak (where numbers resemble letters (7->T, 1->I, 5->S, 3 -> E)) in Scala
asked
4 days
ago
by
avibootz
scala
scala-decode-leet-speak
decode-leet-speak
1
answer
17
views
How to reconstruct a full sparse matrix from a compact (triplet) matrix in Scala
asked
5 days
ago
by
avibootz
scala
scala-reconstruct-sparse-matrix-from-compact-triplet-matrix
reconstruct-sparse-matrix-from-compact-triplet-matrix
1
answer
23
views
How to express a decimal number as a fixed-length string with leading zeros in Scala
asked
5 days
ago
by
avibootz
scala
scala-decimal-number-to-string-leading-zeros
decimal-number-to-string-leading-zeros
1
answer
15
views
How to create an enumeration of constants with and without explicit values in Scala
asked
6 days
ago
by
avibootz
scala
scala-create-enumeration-with-without-values
create-enumeration-with-without-values
1
answer
23
views
How to compact a sparse matrix in Scala
asked
Apr 24
by
avibootz
scala
scala-compact-sparse-matrix
compact-sparse-matrix
1
answer
22
views
How to search for a word in a grid of characters with Scala
asked
Apr 23
by
avibootz
scala
scala-search
scala-grid
scala-search-word-grid-characters
search-word-grid-characters
1
answer
18
views
How to create a generic method in Scala
asked
Apr 22
by
avibootz
scala
scala-create-generic-method
create-generic-method
1
answer
27
views
How to localize date format in Scala
asked
Apr 19
by
avibootz
scala
scala-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 a sequence of temperatures in Scala
asked
Apr 18
by
avibootz
scala
scala-daily-temperatures-days-wait-gets-warmer
daily-temperatures-days-wait-gets-warmer
1
answer
28
views
How to check if a string is title case in Scala
asked
Apr 17
by
avibootz
scala
scala-check-string-title-case
check-string-title-case
8
answers
55
views
How to copy a string in Scala
asked
Apr 17
by
avibootz
scala
scala-copy-string
copy-string
1
answer
33
views
How to represent the Boolean "true" and "false" in Scala
asked
Apr 15
by
avibootz
scala
scala-represent-boolean-true-false
represent-boolean-true-false
1
answer
34
views
How to calculate relative past time from a given date & time (e.g., 3 hours ago, 5 days ago, a month ago) in Scala
asked
Apr 13
by
avibootz
scala
scala-calculate-relative-past-time-date-time
calculate-relative-past-time-date-time
1
answer
25
views
How to convert a BigDecimal to a double in Scala
asked
Apr 12
by
avibootz
scala
scala-convert-bigdecimal-double
convert-bigdecimal-double
1
answer
24
views
How to convert a decimal string to a double in Scala
asked
Apr 12
by
avibootz
scala
scala-convert-decimal-string-double
convert-decimal-string-double
1
answer
31
views
How to add a new interval into a sorted list of non‑overlapping intervals in Scala
asked
Apr 9
by
avibootz
scala
scala-add-interval-into-sorted-list-non-overlapping-intervals
add-interval-into-sorted-list-non-overlapping-intervals
1
answer
33
views
How to detect whether any intervals overlap in a list of start and end times with Scala
asked
Apr 9
by
avibootz
scala
scala-detect-intervals-overlap-list-start-end-times
detect-intervals-overlap-list-start-end-times
1
answer
43
views
How to print text diagonally from left to right recursively in Scala
asked
Apr 6
by
avibootz
scala
scala-print-text-diagonally-from-left-to-right-recursively
print-text-diagonally-from-left-to-right-recursively
1
answer
40
views
How to print text diagonally from left to right in Scala
asked
Apr 6
by
avibootz
scala
scala-print-text-diagonally-from-left-to-right
print-text-diagonally-from-left-to-right
1
answer
34
views
How to find the k biggest values from an array in Scala
asked
Apr 6
by
avibootz
scala
scala-k-biggest-values-array
k-biggest-values-array
1
answer
29
views
How to find the maximum value we can achieve by picking k elements from an array in Scala
asked
Apr 6
by
avibootz
scala
scala-maximum-value-k-elements-array
maximum-value-k-elements-array
1
answer
30
views
How to reverse the bits of a number in Scala
asked
Apr 4
by
avibootz
scala
scala-reverse-bits-number
reverse-bits-number
1
answer
33
views
How to check whether only 2 bits in a number at a specific position are on (edge‑case‑safe) with Scala
asked
Apr 3
by
avibootz
scala
scala-check-2-number-bits-specific-position-on-edge-case-safe
check-2-number-bits-specific-position-on-edge-case-safe
1
answer
36
views
How to toggle a bit at specific position in Scala
asked
Apr 3
by
avibootz
scala
scala-toggle-bit-specific-position
toggle-bit-specific-position
1
answer
31
views
How to write 4 different functions that check if a number is a power of 2 in Scala
asked
Apr 2
by
avibootz
scala
scala-different-functions-check-number-power-of-2
different-functions-check-number-power-of-2
1
answer
33
views
How to write 6 different functions that accept 5 or 7 and return the other number, without using if,switch in Scala
asked
Apr 1
by
avibootz
scala
scala-different-functions-accept-5-7-return-other-number
different-functions-accept-5-7-return-other-number
1
answer
45
views
How to copy bits from M into N (numbers) between bit positions i and j (edge‑case‑safe) in Scala
asked
Mar 30
by
avibootz
scala
scala-bits
scala-copy-bits-m-into-n-between-positions-edge-case-safe
copy-bits-m-into-n-between-positions-edge-case-safe
1
answer
46
views
How to get the word before the last word from a string (edge‑case‑safe) in Scala
asked
Mar 29
by
avibootz
scala
scala-string
scala-get-word-before-last-string-edge-case-safe
get-word-before-last-string-edge-case-safe
1
answer
36
views
How to find the median among three given numbers in Scala
asked
Mar 26
by
avibootz
scala
scala-median-among-three-given-numbers
median-among-three-given-numbers
1
answer
38
views
How to find the smallest number greater than a given number, using the same digits in Scala
asked
Mar 25
by
avibootz
scala
scala-smallest-number-greater-given-number-same-digits
smallest-number-greater-given-number-same-digits
1
answer
42
views
How to produce a sequential count in octal, starting at zero in Scala
asked
Mar 24
by
avibootz
scala
scala-sequential-count-octal
sequential-count-octal
1
answer
32
views
How to remove item by key from a collection of key-value pairs (associative array) in Scala
asked
Mar 23
by
avibootz
scala
scala-remove-item-by-key-collection-key-value-pairs
remove-item-by-key-collection-key-value-pairs
5
answers
63
views
How to iterate over a collection of key-value pairs (associative array) in Scala
asked
Mar 23
by
avibootz
scala
scala-iterate-collection-key-value-pairsiterate-collection-key-value-pairs
1
answer
35
views
How to write custom callback function to an array (apply a function to each element) in Scala
asked
Mar 21
by
avibootz
scala
scala-custom-callback-function-to-array
custom-callback-function-to-array
3
answers
47
views
How to apply a callback to an array (apply a function to each element) in Scala
asked
Mar 21
by
avibootz
scala
scala-callback-to-array
callback-to-array
1
answer
39
views
How to calculate the Ethiopian multiplication in Scala
asked
Mar 17
by
avibootz
scala
scala-ethiopian-multiplication
ethiopian-multiplication
1
answer
39
views
How to calculate the percentage change between two values in Scala
asked
Mar 16
by
avibootz
scala
scala-percentage-change-between-two-values
percentage-change-between-two-values
1
answer
35
views
How to write the 7 Boom game. If a number is divided by 7 or includes the digit 7, the user writes Boom in Scala
asked
Mar 15
by
avibootz
scala
scala-7-boom-game
7-boom-game
1
answer
37
views
How to find the longest shared prefix among all words in a string with Scala
asked
Mar 14
by
avibootz
scala
scala-longest-shared-prefix-words-string
longest-shared-prefix-words-string
2
answers
36
views
How to group words in a string by the first N letters in Scala
asked
Mar 13
by
avibootz
scala
scala-group-words-string-first-n-letter
group-words-string-first-n-letter
1
answer
43
views
How to find the longest common prefix of all the words in a string with Scala
asked
Mar 12
by
avibootz
scala
scala-longest-common-prefix-all-words-string
longest-common-prefix-all-words-string
1
answer
47
views
How to split a string on multiple multi‑character delimiters (and keep them) in Scala
asked
Mar 10
by
avibootz
scala
scala-split-string-multiple-multi-character-delimiters
split-string-multiple-multi-character-delimiters
1
answer
42
views
How to split a string on multiple single‑character delimiters (and keep them) in Scala
asked
Mar 9
by
avibootz
scala
scala-split-string-multiple-single-character-delimiters
split-string-multiple-single-character-delimiters
1
answer
41
views
How to find missing alphabet characters from a string in Scala
asked
Mar 8
by
avibootz
scala
scala-missing-alphabet-characters-string
missing-alphabet-characters-string
1
answer
38
views
How to remove all adjacent duplicate characters from a string until no more can be removed in Scala
asked
Mar 7
by
avibootz
scala
scala-remove-adjacent-duplicate-characters-string
remove-adjacent-duplicate-characters-string
1
answer
35
views
How to reverse only the alphabetic characters in a string, keeping other characters in place with Scala
asked
Mar 6
by
avibootz
scala
scala-reverse-only-alphabetic-characters
reverse-only-alphabetic-characters
1
answer
35
views
How to calculate the remainder in Scala
asked
Mar 5
by
avibootz
scala
scala-calculate-remainder
calculate-remainder
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