--- title: "Ruby 2.4 Blogs" description: "BigBinary blog posts in the Ruby 2.4 category." canonical_url: "https://www.bigbinary.com/blog/categories/ruby-2-4" markdown_url: "https://www.bigbinary.com/blog/categories/ruby-2-4.md" --- # Ruby 2.4 Blogs BigBinary blog posts in the Ruby 2.4 category. ## Posts ### Ruby 2.4 has optimized enumerable min max methods [Ruby 2.4 has optimized enumerable min max methods](https://www.bigbinary.com/blog/ruby-2-4-0-has-optimized-enumerable-min-max-methods) - Author: Chirag Shah - Published: September 28, 2017 - Categories: Ruby 2.4, Ruby min, max and minmax methods for enumerable class have been optimized in ruby 2.4 ### CSV::Row#each etc. return enumerator when no block given [CSV::Row#each etc. return enumerator when no block given](https://www.bigbinary.com/blog/csv-row-each-and-delete-if-return-enumerator-when-no-block-given) - Author: Sushant Mittal - Published: September 25, 2017 - Categories: Ruby 2.4, Ruby CSV::Row#each, CSV::Row#delete_if, CSV::Table#each and CSV::Table#delete_if return enumerator when no block given ### Ruby 2.4 DateTime#to_time & Time#to_time keeps info [Ruby 2.4 DateTime#to_time & Time#to_time keeps info](https://www.bigbinary.com/blog/to-time-preserves-time-zone-info-in-ruby-2-4) - Author: Sushant Mittal - Published: September 19, 2017 - Categories: Ruby 2.4, Ruby DateTime#to_time and Time#to_time preserves receiver's timezone offset info in Ruby 2.4 ### Avoid exception for dup on Integer [Avoid exception for dup on Integer](https://www.bigbinary.com/blog/avoid-exceptions-for-dup-on-interger-and-similar-cases) - Author: Rohit Arolkar - Published: August 1, 2017 - Categories: Ruby 2.4, Ruby dup now silently fails for Integer ### Ruby 2.4 no exception for objects converted to IPAddr [Ruby 2.4 no exception for objects converted to IPAddr](https://www.bigbinary.com/blog/ruby-2-4-ip-addr-methods-do-not-throw-exception-for-objects-that-cant-be-converted-to-ipaddr) - Author: Sushant Mittal - Published: June 21, 2017 - Categories: Ruby 2.4, Ruby IPAddr#== and IPAddr# do not throw exception for objects that can't be converted to IPAddr anymore in Ruby 2.4 ### Ruby 2.4 deprecated constants TRUE, FALSE & NIL [Ruby 2.4 deprecated constants TRUE, FALSE & NIL](https://www.bigbinary.com/blog/ruby-2-4-has-depecated-constants-true-false-and-nil) - Author: Akshay Vishnoi - Published: June 19, 2017 - Categories: Ruby 2.4, Ruby Ruby 2.4 has deprecated toplevel constants TRUE, FALSE and NIL ### Ruby 2.4 allows custom suffix of rotated log files [Ruby 2.4 allows custom suffix of rotated log files](https://www.bigbinary.com/blog/ruby-2-4-allows-to-customize-suffix-of-the-rotated-log-files) - Author: Sushant Mittal - Published: June 15, 2017 - Categories: Ruby 2.4, Ruby Ruby 2.4 has added ability to pass custom date format for the suffix of log files rotated daily, weekly or monthly ### Ruby 2.4 Hash#transform_values & destructive version [Ruby 2.4 Hash#transform_values & destructive version](https://www.bigbinary.com/blog/ruby-2-4-added-hash-transform-values-and-its-destructive-version-from-active-support) - Author: Sushant Mittal - Published: June 14, 2017 - Categories: Ruby 2.4, Ruby In Ruby 2.4, Hash#transform_values and Hash#transform_values! can be used to transform the values after executing passed block for each value ### Binding irb - Runtime Invocation for IRB [Binding irb - Runtime Invocation for IRB](https://www.bigbinary.com/blog/binding-irb) - Author: Rohit Arolkar - Published: April 18, 2017 - Categories: Ruby 2.4, Ruby Ruby now has a core IRB library for better debugging ### Ruby 2.4 has added additional parameters for Logger#new [Ruby 2.4 has added additional parameters for Logger#new](https://www.bigbinary.com/blog/ruby-2-4-has-added-additional-parameters-for-logger-new) - Author: Chirag Shah - Published: April 10, 2017 - Categories: Ruby 2.4, Ruby Ruby 2.4 makes it possible to specify logger level, progname, formatter and datetime_format in logger constructor. ### Ruby 2.4 has default basename for Tempfile#create [Ruby 2.4 has default basename for Tempfile#create](https://www.bigbinary.com/blog/ruby-2-4-has-default-basename-for-tempfile-create) - Author: Chirag Shah - Published: April 4, 2017 - Categories: Ruby 2.4, Ruby Tempfile#create method now has a default empty basename ### New arguments support for float & integer modifiers [New arguments support for float & integer modifiers](https://www.bigbinary.com/blog/new-ndigits-arguments-supported-for-float-modifiers-in-ruby-2-4) - Author: Abhishek Jain - Published: March 28, 2017 - Categories: Ruby 2.4, Ruby Optional argument ndigits added to ceil, floor, truncate ### Ruby 2.4 adds Enumerable#uniq & Enumerable::Lazy#uniq [Ruby 2.4 adds Enumerable#uniq & Enumerable::Lazy#uniq](https://www.bigbinary.com/blog/enumerable-uniq-and-enumerable-lazy-uniq-part-of-ruby-2-4) - Author: Mohit Natoo - Published: March 21, 2017 - Categories: Ruby 2.4, Ruby In Ruby 2.4, uniq elements can be iterated upon for enumerable and lazy objects without creating an array. ### Ruby 2.4 optimized lstrip & strip for ASCII strings [Ruby 2.4 optimized lstrip & strip for ASCII strings](https://www.bigbinary.com/blog/ruby-2-4-has-optimized-lstrip-and-strip-methods) - Author: Chirag Shah - Published: March 14, 2017 - Categories: Ruby 2.4, Ruby lstrip and rstrip methods have been optimized in ruby 2.4 ### IO#readlines now accepts chomp flag as an argument [IO#readlines now accepts chomp flag as an argument](https://www.bigbinary.com/blog/io-readlines-now-accepts-chomp-flag-as-an-argument) - Author: Chirag Shah - Published: March 7, 2017 - Categories: Ruby 2.4, Ruby IO methods now have an optional chomp flag to remove newline return characters ### open-uri in Ruby 2.4 allows http to https redirection [open-uri in Ruby 2.4 allows http to https redirection](https://www.bigbinary.com/blog/open-uri-in-ruby-2-4-allows-http-to-https-redirection) - Author: Chirag Shah - Published: March 2, 2017 - Categories: Ruby 2.4, Ruby open-uri now allows http to https redirection in Ruby 2.4 ### Ruby 2.4 now has Dir.empty? and File.empty? methods [Ruby 2.4 now has Dir.empty? and File.empty? methods](https://www.bigbinary.com/blog/dir-emtpy-included-in-ruby-2-4) - Author: Ratnadeep Deshmane - Published: February 28, 2017 - Categories: Ruby 2.4, Ruby No more platform specific code to check empty directories ### Ruby 2.4 Integer#digits extract digits in place-value [Ruby 2.4 Integer#digits extract digits in place-value](https://www.bigbinary.com/blog/ruby-2-4-implements-integer-digits-for-extracting-digits-in-place-value-notation) - Author: Rohit Kumar - Published: February 23, 2017 - Categories: Ruby 2.4, Ruby Ruby 2.4 implements Integer#digits for extracting digits in place-value notation which is useful in calculating checksum digits. ### Ruby 2.4 adds compare by identity functionality [Ruby 2.4 adds compare by identity functionality](https://www.bigbinary.com/blog/ruby-2-4-adds-compare-by-identity-functionality-for-sets) - Author: Chirag Shah - Published: December 29, 2016 - Categories: Ruby 2.4, Ruby Ruby 2.4 adds compare_by_identity and compare_by_identity? methods for Set class so that now we can compare the set elements by their identitiy rather than value ### Ruby 2.4 MatchData#values_at [Ruby 2.4 MatchData#values_at](https://www.bigbinary.com/blog/ruby-2.4-adds-matchdata-values-at-for-extracting-named-and-positional-capture-groups) - Author: Rohit Kumar - Published: December 21, 2016 - Categories: Ruby 2.4, Ruby Ruby 2.4 adds ability to extract named capture groups through values_at ### Ruby 2.4 adds infinite? and finite? methods to Numeric [Ruby 2.4 adds infinite? and finite? methods to Numeric](https://www.bigbinary.com/blog/ruby-2-4-adds-infinite-method-to-numeric) - Author: Abhishek Jain - Published: December 19, 2016 - Categories: Ruby 2.4, Ruby Fixnum#infinite?/Bignum#infinite? and Numeric#finite?/Bignum#finite? methods are now consistent with Float#infinite?/BigDecimal#infinite? ### Ruby 2.4 adds Comparable#clamp method [Ruby 2.4 adds Comparable#clamp method](https://www.bigbinary.com/blog/ruby-2-4-adds-comparable-clamp-method) - Author: Abhishek Jain - Published: December 13, 2016 - Categories: Ruby 2.4, Ruby Comparable#clamp method is added to Ruby 2.4 to limit the object to a specific range of values ### New liberal_parsing option for parsing bad CSV data [New liberal_parsing option for parsing bad CSV data](https://www.bigbinary.com/blog/ruby-2-4-introduces-liberal_parsing-option-for-parsing-bad-csv-data) - Author: Ershad Kunnakkadan - Published: November 22, 2016 - Categories: Ruby 2.4, Ruby CSV input with unescaped double quotes can now be parsed in Ruby 2.4 using liberal_parsing option ### Enumerable#chunk not mandatory in Ruby 2.4 [Enumerable#chunk not mandatory in Ruby 2.4](https://www.bigbinary.com/blog/passing-block-with-enumerable-chunk-is-not-mandatory-in-ruby-2-4) - Author: Abhishek Jain - Published: November 21, 2016 - Categories: Ruby 2.4, Ruby Enumerable#chunk does not require a block to be passed along with it in Ruby 2.4 ### Ruby 2.4 unifies Fixnum and Bignum into Integer [Ruby 2.4 unifies Fixnum and Bignum into Integer](https://www.bigbinary.com/blog/ruby-2-4-unifies-fixnum-and-bignum-into-integer) - Author: Prathamesh Sonpatki - Published: November 18, 2016 - Categories: Ruby 2.4, Ruby Ruby 2.4 has unified Fixnum and Bignum into Integer class. It has also deprecated usage of Fixnum and Bignum ### Ruby 2.4 implements Array#min and Array#max [Ruby 2.4 implements Array#min and Array#max](https://www.bigbinary.com/blog/ruby-2-4-implements-array-min-and-max) - Author: Rohit Kumar - Published: November 17, 2016 - Categories: Ruby 2.4, Ruby Ruby 2.4 implements Array#min and Array#max to find the minimum and maximum value of the array ### Ruby 2.4 Extracting captured data from Regexp results [Ruby 2.4 Extracting captured data from Regexp results](https://www.bigbinary.com/blog/ruby-2-4-adds-better-support-for-extracting-captured-data-from-regexp-match-results) - Author: Rohit Kumar - Published: November 10, 2016 - Categories: Ruby 2.4, Ruby Ruby 2.4 adds support for extracting named captures and positional capture groups from Regexp match results ### Ruby 2.4 Regexp#match? not polluting global variables [Ruby 2.4 Regexp#match? not polluting global variables](https://www.bigbinary.com/blog/ruby-2-4-implements-regexp-match-without-polluting-global-variables) - Author: Rohit Kumar - Published: November 4, 2016 - Categories: Ruby 2.4, Ruby Ruby 2.4 now allows matching a regex without updating global variables using Regexp#match?. This is a faster option to match regexes when we don't care about the match data ### Ruby 2.4 implements Enumerable#sum [Ruby 2.4 implements Enumerable#sum](https://www.bigbinary.com/blog/ruby-2-4-introduces-enumerable-sum) - Author: Mohit Natoo - Published: November 2, 2016 - Categories: Ruby 2.4, Ruby In Ruby 2.4, every object belonging to the \`Enumerable\` family can now call \`sum\` method on it ### String#concat, Array#concat & String#prepend Ruby 2.4 [String#concat, Array#concat & String#prepend Ruby 2.4](https://www.bigbinary.com/blog/string-array-concat-and-string-prepend-take-multiple-arguments-in-ruby-2-4) - Author: Abhishek Jain - Published: October 28, 2016 - Categories: Ruby 2.4, Ruby Ruby 2.4 now allows concat and prepend methods to take multiple arguments ### Hash#compact and Hash#compact! now part of Ruby 2.4 [Hash#compact and Hash#compact! now part of Ruby 2.4](https://www.bigbinary.com/blog/hash-compact-and-hash-compact-now-part-of-ruby-2-4) - Author: Prathamesh Sonpatki - Published: October 24, 2016 - Categories: Ruby 2.4, Ruby Ruby 2.4 has added Hash#compact and Hash#compact! methods into core ## Links - [Human page](https://www.bigbinary.com/blog/categories/ruby-2-4)