Modify the source buffer in place by applying the binary OR operation to the source, using the mask, repeating as necessary.
source = IO::Buffer.for("1234567890").dup # Make a read/write copy. # => # #<IO::Buffer 0x000056307a272350+10 INTERNAL> # 0x00000000 31 32 33 34 35 36 37 38 39 30 1234567890 source.or!(IO::Buffer.for("\xFF\x00\x00\xFF")) # => # #<IO::Buffer 0x000056307a272350+10 INTERNAL> # 0x00000000 ff 32 33 ff ff 36 37 ff ff 30 .23..67..0
Modify the source buffer in place by applying the binary XOR operation to the source, using the mask, repeating as necessary.
source = IO::Buffer.for("1234567890").dup # Make a read/write copy. # => # #<IO::Buffer 0x000056307a25b3e0+10 INTERNAL> # 0x00000000 31 32 33 34 35 36 37 38 39 30 1234567890 source.xor!(IO::Buffer.for("\xFF\x00\x00\xFF")) # => # #<IO::Buffer 0x000056307a25b3e0+10 INTERNAL> # 0x00000000 ce 32 33 cb ca 36 37 c7 c6 30 .23..67..0
Read at most length
bytes from io
into the buffer, starting at offset
. If an error occurs, return -errno
.
If length
is not given, read until the end of the buffer.
If offset
is not given, read from the beginning of the buffer.
If length
is 0, read nothing.
Example:
IO::Buffer.for('test') do |buffer| p buffer # => # <IO::Buffer 0x00007fca40087c38+4 SLICE> # 0x00000000 74 65 73 74 test buffer.read(File.open('/dev/urandom', 'rb'), 2) p buffer # => # <IO::Buffer 0x00007f3bc65f2a58+4 EXTERNAL SLICE> # 0x00000000 05 35 73 74 .5st end
Read at most length
bytes from io
into the buffer, starting at from
, and put it in buffer starting from specified offset
. If an error occurs, return -errno
.
If offset
is not given, put it at the beginning of the buffer.
Example:
IO::Buffer.for('test') do |buffer| p buffer # => # <IO::Buffer 0x00007fca40087c38+4 SLICE> # 0x00000000 74 65 73 74 test # take 2 bytes from the beginning of urandom, # put them in buffer starting from position 2 buffer.pread(File.open('/dev/urandom', 'rb'), 0, 2, 2) p buffer # => # <IO::Buffer 0x00007f3bc65f2a58+4 EXTERNAL SLICE> # 0x00000000 05 35 73 74 te.5 end
Returns an Array
with 14 elements representing the instruction sequence with the following data:
A string identifying the data format. Always YARVInstructionSequence/SimpleDataFormat
.
The major version of the instruction sequence.
The minor version of the instruction sequence.
A number identifying the data format. Always 1.
A hash containing:
:arg_size
the total number of arguments taken by the method or the block (0 if iseq doesn’t represent a method or block)
:local_size
the number of local variables + 1
:stack_max
used in calculating the stack depth at which a SystemStackError
is thrown.
label
The name of the context (block, method, class, module, etc.) that this instruction sequence belongs to.
<main>
if it’s at the top level, <compiled>
if it was evaluated from a string.
path
The relative path to the Ruby file where the instruction sequence was loaded from.
<compiled>
if the iseq was evaluated from a string.
absolute_path
The absolute path to the Ruby file where the instruction sequence was loaded from.
nil
if the iseq was evaluated from a string.
first_lineno
The number of the first source line where the instruction sequence was loaded from.
The type of the instruction sequence.
Valid values are :top
, :method
, :block
, :class
, :rescue
, :ensure
, :eval
, :main
, and plain
.
An array containing the names of all arguments and local variables as symbols.
An Hash
object containing parameter information.
More info about these values can be found in vm_core.h
.
A list of exceptions and control flow operators (rescue, next, redo, break, etc.).
An array of arrays containing the instruction names and operands that make up the body of the instruction sequence.
Note that this format is MRI specific and version dependent.
Returns the contents of this Tms
object as a formatted string, according to a format
string like that passed to Kernel.format
. In addition, format
accepts the following extensions:
%u
Replaced by the user CPU time, as reported by Tms#utime
.
%y
Replaced by the system CPU time, as reported by stime
(Mnemonic: y of “s*y*stem”)
%U
Replaced by the children’s user CPU time, as reported by Tms#cutime
%Y
Replaced by the children’s system CPU time, as reported by Tms#cstime
%t
Replaced by the total CPU time, as reported by Tms#total
%r
Replaced by the elapsed real time, as reported by Tms#real
%n
Replaced by the label string, as reported by Tms#label
(Mnemonic: n of “*n*ame”)
If format
is not given, FORMAT
is used as default value, detailing the user, system and real elapsed time.
Same as format
.
Returns a new 6-element array, consisting of the label, user CPU time, system CPU time, children’s user CPU time, children’s system CPU time and elapsed real time.
Returns a hash containing the same data as ‘to_a`.
Convert the Cookie
to its string representation.
Returns the new Hash formed by adding each header-value pair in self
as a key-value pair in the Hash.
source = "Name,Value\nfoo,0\nbar,1\nbaz,2\n" table = CSV.parse(source, headers: true) row = table[0] row.to_h # => {"Name"=>"foo", "Value"=>"0"}
Header order is preserved, but repeated headers are ignored:
source = "Name,Name,Name\nFoo,Bar,Baz\n" table = CSV.parse(source, headers: true) row = table[0] row.to_h # => {"Name"=>"Foo"}
Returns the new Array suitable for pattern matching containing the values of the row.
Returns the table as an Array of Arrays; the headers are in the first row:
source = "Name,Value\nfoo,0\nbar,1\nbaz,2\n" table = CSV.parse(source, headers: true) table.to_a # => [["Name", "Value"], ["foo", "0"], ["bar", "1"], ["baz", "2"]]
Winds back to the beginning
Attempt to load the wrapped marshalled object again.
If the class of the object is now known locally, the object will be unmarshalled and returned. Otherwise, a new but identical DRbUnknown
object will be returned.
Get the reference of the object, if local.
Is uri
the URI
for this server?
Get the reference of the object, if local.
Posts data to a host; returns a Net::HTTPResponse
object.
Argument url
must be a URL; argument data
must be a string:
_uri = uri.dup _uri.path = '/posts' data = '{"title": "foo", "body": "bar", "userId": 1}' headers = {'content-type': 'application/json'} res = Net::HTTP.post(_uri, data, headers) # => #<Net::HTTPCreated 201 Created readbody=true> puts res.body
Output:
{ "title": "foo", "body": "bar", "userId": 1, "id": 101 }
Related:
Net::HTTP::Post
: request class for HTTP method POST
.
Net::HTTP#post
: convenience method for HTTP method POST
.