2175件ヒット
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(0.048秒)
ライブラリ
- ビルトイン (1188)
-
cgi
/ core (24) -
cgi
/ html (36) - csv (60)
- forwardable (24)
- json (12)
-
net
/ http (132) - open-uri (24)
- openssl (48)
- pathname (12)
- prettyprint (60)
- readline (48)
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rexml
/ document (36) - rss (48)
-
rubygems
/ package / tar _ reader / entry (12) - shell (6)
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shell
/ command-processor (6) -
shell
/ filter (6) - stringio (120)
-
webrick
/ httpresponse (48) -
win32
/ registry (120) - zlib (36)
クラス
-
ARGF
. class (12) - Array (468)
- Bignum (3)
- CGI (24)
- CSV (12)
-
CSV
:: Row (24) -
CSV
:: Table (24) - File (24)
- Fixnum (3)
-
Gem
:: Package :: TarReader :: Entry (12) - IO (84)
- Integer (24)
-
JSON
:: State (12) - MatchData (48)
-
Net
:: HTTPGenericRequest (24) -
OpenSSL
:: Cipher (12) -
OpenSSL
:: SSL :: SSLSocket (12) - Pathname (12)
- PrettyPrint (60)
-
REXML
:: Parent (36) -
RSS
:: Maker :: RSS20 :: Items :: Item :: Enclosure (24) -
RSS
:: Rss :: Channel :: Item :: Enclosure (24) - Range (92)
- Shell (6)
-
Shell
:: CommandProcessor (6) -
Shell
:: Filter (6) - String (34)
- StringIO (120)
- Symbol (36)
- Thread (24)
-
WEBrick
:: HTTPResponse (48) -
Win32
:: Registry (96) -
Zlib
:: GzipReader (12)
モジュール
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CGI
:: HtmlExtension (36) - Enumerable (252)
- Forwardable (24)
- GC (24)
- Kernel (60)
-
Net
:: HTTPHeader (108) -
OpenSSL
:: Buffering (12) -
OpenSSL
:: Random (12) - OpenURI (24)
- Readline (12)
-
Win32
:: Registry :: Constants (24) - Zlib (24)
オブジェクト
-
Readline
:: HISTORY (36)
キーワード
-
1
. 6 . 8から1 . 8 . 0への変更点(まとめ) (12) -
MAX
_ KEY _ LENGTH (12) -
MAX
_ VALUE _ LENGTH (12) -
NEWS for Ruby 3
. 0 . 0 (5) -
NEWS for Ruby 3
. 1 . 0 (4) - Ruby用語集 (12)
- [] (96)
- []= (84)
-
adler32
_ combine (12) - at (12)
-
backtrace
_ locations (24) - binread (12)
-
bit
_ length (18) - body= (12)
-
body
_ stream (12) -
body
_ stream= (12) - breakable (24)
- bytesplice (10)
- caller (36)
-
caller
_ locations (24) - chunk (12)
-
chunk
_ while (12) - combination (24)
-
content
_ length (24) -
content
_ length= (24) -
copy
_ stream (24) -
crc32
_ combine (12) - delegate (12)
- delete (12)
-
descriptor
_ length (12) -
egd
_ bytes (12) - empty? (24)
- fetch (36)
-
file
_ field (12) - fill (72)
-
get
_ fields (12) - group (12)
- header (12)
- info (12)
-
instance
_ delegate (12) -
key
_ len= (12) - length= (24)
- max (82)
-
max
_ by (48) -
max
_ key _ length (12) -
max
_ value _ length (12) -
max
_ value _ name _ length (12) - min (82)
-
min
_ by (48) - minmax (36)
-
minmax
_ by (24) - new (12)
- none? (45)
-
num
_ keys (12) -
num
_ values (12) - one? (45)
-
open
_ uri (24) - out (12)
-
password
_ field (12) - permutation (24)
-
range
_ length (12) - read (132)
-
read
_ nonblock (12) - readline (12)
- readpartial (36)
-
repeated
_ combination (24) -
repeated
_ permutation (24) -
ruby 1
. 8 . 3 feature (12) -
ruby 1
. 8 . 4 feature (12) - sample (48)
- size (72)
-
slice
_ before (24) -
slice
_ when (12) -
sort
_ by! (24) - stat (24)
- sum (18)
- sysread (48)
- text (24)
-
text
_ field (12) - truncate (66)
- tsort (12)
- wtime (12)
検索結果
先頭5件
-
String
# length -> Integer (18125.0) -
文字列の文字数を返します。バイト数を知りたいときは bytesize メソッドを使ってください。
...いときは bytesize メソッドを使ってください。
//emlist[例][ruby]{
"test".length # => 4
"test".size # => 4
"テスト".length # => 3
"テスト".size # => 3
"\x80\u3042".length # => 2
"\x80\u3042".size # => 2
//}
@see String#bytesize... -
Symbol
# length -> Integer (18125.0) -
シンボルに対応する文字列の長さを返します。
...シンボルに対応する文字列の長さを返します。
(self.to_s.length と同じです。)
:foo.length #=> 3
@see String#length, String#size... -
CSV
:: Row # length -> Integer (18123.0) -
Array#length, Array#size に委譲します。
...Array#length, Array#size に委譲します。
@see Array#size... -
CSV
:: Table # length -> Integer (18119.0) -
(ヘッダを除く)行数を返します。
...(ヘッダを除く)行数を返します。
Array#length, Array#size に委譲しています。
//emlist[][ruby]{
require 'csv'
csv = CSV.new("a,b,c\n1,2,3", headers: true)
table = csv.read
p table.size # => 1
//}
@see Array#length, Array#size... -
RSS
:: Maker :: RSS20 :: Items :: Item :: Enclosure # length (18118.0) -
@todo
...@todo... -
RSS
:: Rss :: Channel :: Item :: Enclosure # length (18118.0) -
@todo
...@todo... -
Readline
:: HISTORY . length -> Integer (18113.0) -
ヒストリに格納された内容の数を取得します。
...ヒストリに格納された内容の数を取得します。
例: ヒストリの内容を最初から順番に出力する。
require "readline"
Readline::HISTORY.push("foo", "bar", "baz")
p Readline::HISTORY.length #=> 3
@see Readline::HISTORY.empty?... -
Fixnum
# bit _ length -> Integer (6203.0) -
self を表すのに必要なビット数を返します。
...).bit_length # => 13
(-2**12).bit_length # => 12
(-2**12+1).bit_length # => 12
-0x101.bit_length # => 9
-0x100.bit_length # => 8
-0xff.bit_length # => 8
-2.bit_length # => 1
-1.bit_length # => 0
0.bit_length......# => 0
1.bit_length # => 1
0xff.bit_length # => 8
0x100.bit_length # => 9
(2**12-1).bit_length # => 12
(2**12).bit_length # => 13
(2**12+1).bit_length # => 13
@see Bignum#bit_length... -
Integer
# bit _ length -> Integer (6197.0) -
self を表すのに必要なビット数を返します。
...t_length # => 13
(-2**12).bit_length # => 12
(-2**12+1).bit_length # => 12
-0x101.bit_length # => 9
-0x100.bit_length # => 8
-0xff.bit_length # => 8
-2.bit_length # => 1
-1.bit_length # => 0
0.bit_length # => 0
1.bit_length......# => 1
0xff.bit_length # => 8
0x100.bit_length # => 9
(2**12-1).bit_length # => 12
(2**12).bit_length # => 13
(2**12+1).bit_length # => 13
//}
@see Integer#size... -
Bignum
# bit _ length -> Integer (6185.0) -
self を表すのに必要なビット数を返します。
...00-1).bit_length # => 10001
(-2**10000).bit_length # => 10000
(-2**10000+1).bit_length # => 10000
(-2**1000-1).bit_length # => 1001
(-2**1000).bit_length # => 1000
(-2**1000+1).bit_length # => 1000
(2**1000-1).bit_length # => 1000
(2**1000).bit_length # =>......1001
(2**1000+1).bit_length # => 1001
(2**10000-1).bit_length # => 10000
(2**10000).bit_length # => 10001
(2**10000+1).bit_length # => 10001
@see Fixnum#bit_length...