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What's Up in 2018/2? - Ruby Conferences 'n' Camps in February 2018 from Around the World

Hello,

I've updated the new calendar site @ Planet Ruby. The idea is to
publish monthly updates. What's Up in 2018/2? - Ruby Conferences &
Camps in February 2018 from Around the World [1].

Cheers.

[1] <a href="https://planetruby.github.io/calendar/2018/2" title="https://planetruby.github.io/calendar/2018/2">https://planetruby.github.io/calendar/2018/2</a>

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nokogiri security update 1.8.2 released

nokogiri version 1.8.2 has been released.

This release contains a few new features and bugfixes in addition to the
security update, wherein the vendored libxml2 and libxslt versions have
been updated:

* libxml2 is updated from 2.9.5 to 2.9.7

* libxslt is updated from 1.1.30 to 1.1.32

which addresses at least one published vulnerability, [CVE-2017-15412][],
which rates a "priority:medium" from Canonical.

FizzBuzz (1, 2, Fizz, 4, Buzz, ...) by Example - There's More Than One Way To Do It (Book Edition) @ Yuki & Moto Press Bookshelf

Hello,

Hello, I added FizzBuzz (1, 2, Fizz, 4, Buzz,...) by Example -
There's More Than One Way To Do It [1] by Tom Dalling, Paweł
Świątkowski, Gerald Bauer, et al to the Yuki & Moto Press Bookshelf
[2]

Free Online Books (and Booklets) about Ruby 'n' Friends in the
Manuscripts format and built with Jekyll and Octobook themes [3].

The FizzBuzz samples include Gold Standard, Classic, Monkey
Patching Fixnum, Object-Oriented w/ Fizznum, Enums, and many more.

I also included a RSpec Test Driven Development (TDD) sample - I'm
a RSpec newbie (and unbeliever ;-)) - if anyone can impr

minitest 5.11.3 Released

minitest version 5.11.3 has been released!

* home: <https://github.com/seattlerb/minitest>
* bugs: <https://github.com/seattlerb/minitest/issues>
* rdoc: <http://docs.seattlerb.org/minitest>
* vim: <https://github.com/sunaku/vim-ruby-minitest>
* emacs: <https://github.com/arthurnn/minitest-emacs>

minitest provides a complete suite of testing facilities supporting
TDD, BDD, mocking, and benchmarking.

"I had a class with Jim Weirich on testing last week and we were
allowed to choose our testing frameworks.

TracePoint line coverage

Hello

I'm playing around with TracePoint API and code coverage using :line event.

I'd like to be able to generate a percentage coverage report for a given
file. While I can easily see what lines are executed, I can't easily
determine what lines are not executed.

What I need, I think, is a tracepoint which triggers for eval/load/require,
which allows me to determine the initial coverage of the file.

yield_self is more awesome than you could think

Two things in the blog post I've wanted to share with the community:

* Why yield_self is really nice addition to Ruby core;
* Some pretty fascinating implications of the fact it can return Enumerator

Have fun! <a href="http://zverok.github.io/blog/2018-01-24-yield_self.html" title="http://zverok.github.io/blog/2018-01-24-yield_self.html">http://zverok.github.io/blog/2018-01-24-yield_self.html</a>

V.

msgthr 1.2.0 - container-agnostic, non-recursive message threading

Pure Ruby message threading based on the algorithm described by
JWZ in <https://www.jwz.org/doc/threading.html> and used in
countless mail and news readers; but with some features removed
and improved flexibility for non-mail/news usage.

* <a href="https://80x24.org/msgthr/README" title="https://80x24.org/msgthr/README">https://80x24.org/msgthr/README</a>
* API: <a href="https://80x24.org/msgthr/rdoc/Msgthr.html" title="https://80x24.org/msgthr/rdoc/Msgthr.html">https://80x24.org/msgthr/rdoc/Msgthr.html</a>
* public list: <a href="mailto:msgthr- ... at 80x24 dot org">msgthr- ... at 80x24 dot org</a>
* mail archives: <a href="https://80x24.org/msgthr-public/" title="https://80x24.org/msgthr-public/">https://80x24.org/msgthr-public/</a>
* git clone <a href="https://80x24.org/msgthr.git" title="https://80x24.org/msgthr.git">https://80x24.org/msgthr.git</a>
* follow releases: <a href="https://80x24.org/msgthr/NEWS.atom.xml" title="https://80x24.org/msgthr/NEWS.atom.xml">https://80x24.org/msgthr/NEWS.atom.xml</a>
* follow all: <a href="https://80x24.org/msgthr-public/new.atom" title="https://80x24.org/msgthr-public/new.atom">https://80x24.org/msgthr-public/new.atom</a>
* nntp://news.public-inbox.org/inbo

minitest 5.11.2 Released

minitest version 5.11.2 has been released!

* home: <https://github.com/seattlerb/minitest>
* bugs: <https://github.com/seattlerb/minitest/issues>
* rdoc: <http://docs.seattlerb.org/minitest>
* vim: <https://github.com/sunaku/vim-ruby-minitest>
* emacs: <https://github.com/arthurnn/minitest-emacs>

minitest provides a complete suite of testing facilities supporting
TDD, BDD, mocking, and benchmarking.

"I had a class with Jim Weirich on testing last week and we were
allowed to choose our testing frameworks.

minitest 5.11.2 Released

minitest version 5.11.2 has been released!

* home: <https://github.com/seattlerb/minitest>
* bugs: <https://github.com/seattlerb/minitest/issues>
* rdoc: <http://docs.seattlerb.org/minitest>
* vim: <https://github.com/sunaku/vim-ruby-minitest>
* emacs: <https://github.com/arthurnn/minitest-emacs>

minitest provides a complete suite of testing facilities supporting
TDD, BDD, mocking, and benchmarking.

"I had a class with Jim Weirich on testing last week and we were
allowed to choose our testing frameworks.

Ruby on Rails Developer-Austin, TX Full time position.

Hello!

I have a really cool company in Austin, TX looking for a RoR developer to join a small team of experienced engineers determined to change modern mobility, including the entrenched car rental industry. Pay is 100-120K with relocation paid for if necessary. Please email me at tmartin@irtalent if you are interested. Thanks!

We’re looking for someone who can drive development of RESTful APIs while building out a rapidly scaling backend.

Difference between method and attribute?

Hello everybody,

today I want to ask about what is the difference between attribute and
method.

In the past few days I spent way to much time trying to force OpenSSL to
accept any certificate. Based on what I found online `#verify_callback=`
was the way to go.

And here is where my problem began. I opened ruby's official
documentation at <a href="https://docs.ruby-lang.org/en/2.5.0/index.html" title="https://docs.ruby-lang.org/en/2.5.0/index.html">https://docs.ruby-lang.org/en/2.5.0/index.html</a> , wrote
`verify_callback` into the search box in top left corner and selected
what I got.

Should i update to ruby 2.5

Hi my lovely rubyists,

i was thinking about updating to ruby 2.5 from 2.4.2 . Since it a sensible
move at this time or should i wait for some more months?
Will Rails work with 2.5?

Thanks !!

Yours faithfully,

Surya Poojary.

Kiba v2.0.0 - Data processing & ETL framework for Ruby

Hi!

Kiba is a Ruby-based solution to write data pipelines (data sync processes,
large or micro-batches, reformatting / interop etc).

<a href="http://www.kiba-etl.org" title="http://www.kiba-etl.org">http://www.kiba-etl.org</a>

Version 2 leverages Ruby's "Enumerator" to add the ability to yield an
arbitrary number of rows from transform steps.

fizzbuzzer - 1, 2, Fizz, 4, Buzz, Fizz,... - a collection of fizz buzz algorithms

Hello,

I’ve put together a new fizzbuzzer command line tool and library (gem) [1].

1, 2, Fizz, 4, Buzz, Fizz, 7, 8, Fizz, Buzz, 11, Fizz, 13, 14, Fizz Buzz, …

The fizzbuzzer library includes a collection of algorithms for
playing the word game for children that teaches division (one of the
four basic arithmetic operations in mathematics) or helps you find the
world’s best coders in programming job interviews.

Are you (re)using the fizzbuzzer library?

Re: Re: Re: Re: example

W dniu 2018-01-19 12:34:56 użytkownik Marvin Gülker <m- ... at phoenixmail dot de> napisał:
ok,

I waiting for answer.

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Re: Re: Re: example

Yes

My english is to little to explain this

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Server maintenance on 2018-01-24

Hello,

Mail services on ruby-lang.org will be unavailable for server
maintenance between 09:00-11:00 on 2018-01-24 (UTC).

Thanks for you understanding.

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How to ignore certificate errors when using OpenSSL::SSL::VERIFY_PEER?

Hi all,
I'm straggling a bit and could really use a small push in the right
direction.

First what I'm trying to do. I want to verify client certificate using
OpenSSL. In order to make OpenSSL request client certificate during
negotiating, I'm setting

ctx.verify_mode = OpenSSL::SSL::VERIFY_PEER | OpenSSL::SSL::VERIFY_FAIL_IF_NO_PEER_CERT

However my problem is, that that actually tries to verify the
certificate (sure, that's expected). However at the moment I don't want
it verified, just requested.

Re: Re: How create a object inside a C

W dniu 2018-01-18 20:33:35 użytkownik Marvin Gülker <m- ... at phoenixmail dot de> napisał:

Can You write example?

I can find any working example

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Re: Re: example

I must create a new instance
I create a obiect

t = Dziwne.new

and function

def return_array
return [Dziwne obiect]
end

I need this function

This code using C++ but all code is in C.

How I can create new obiect Dziwne with my own: struct moje

Meybe I must search 'Dziwne' id in vm , I dont know.

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example

I create example https://github.com/letarg0/Dziwne
 
how create a function
 
extern "C" VALUE t_ar()
{
 return  here_Dziwne_object;
}
 
Anybody can help me to write rb_dziwne_new(); similar rb_ary_new or rb_str_new() function?

Looking for a Backend Ruby Developer - Fremont Ca (6 to 12 month contract)

* please ignore the last one as subject was incorrect. this is *not a Lead
level role

Hi Folks,

We are looking for a backend Ruby on Rails Developer for a critical project
based out of Fremont Ca. Must be able to start within a week or two max.
This is for a project my company is doing for a SF-based client, you might
be required to travel to SFO occasionally for meetings.

Duration: 6-12 months
Open to hiring full-time and contract.

How create a object inside a C

I create a simple C extension with data (allocate function, free function etc.)
 
How I can create a function for return new object type object in C extension.
 
simple I create class Foo
I need function to return Foo object from C.
 
Thanks
Fabian Wawrzyniec

Top Ruby Programming News This Week

Hello People,

Checkout <a href="http://www.nyoboo.com/channels/2/messages/4" title="http://www.nyoboo.com/channels/2/messages/4">http://www.nyoboo.com/channels/2/messages/4</a>

multi-thread app

Hello fellow rubyists,  i want your proposals on something.

I'm developing an application that will spawn and maintain various
threads. I'm truly aware on what things to pay attention to when working
with threads.

The issue that i want to emphasize is this: i want the main thread of
the app, to be able to listen for commands and print relevant status of
the internal state of the app.

What is the best way to go with this?

Yuki & Moto Press Bookshelf Update - 10+ Free (Online) Books About Ruby 'n' Friends

Hello,

I've updated the Yuki & Moto Press Bookshelf. So far
books in the series about Ruby 'n' Friends include:

- Gem Developer's Guide by Nick Quaranto, Eric Hodel, et al

- How I Start - Let's Build a Gem Together!

Make notification section

Hi,
I want to inform simple status of current running command as below

system(command_str) # run a command
# when command in running the shell shows that : "command in running for
### seconds"
# when command finished :"command finished after #### seconds"

Which Modules and methods i should use ?
Thanks

Input arguments as array

# Normal approach
Def Foo(arg1, arg2, arg3 , arg4)
Do smthing
End #def

CSV::Table: #delete_if vs. #each_with_index + #delete behaving differently in one use case?!

Hi!

I’ve got a CSV::Table object from which I’d like to delete rows containing fields with nil values. The following approach does work but does not allow to keep track of the deleted records:

csv_data.delete_if { |row| row[:a].nil? or row[:b].nil? or row[:c].nil? }

Hence I came up with the following approach:

csv_data.each_with_index do |row, index|
if row[:a].nil? or row[:b].nil? or row[:c].nil?
LOGGER.info("Record nbr.

Ruby Conferences (& Camps) in 2018 - New Home @ Planet Ruby / Calendar - Updates Welcome

Hello,

I've updated the Ruby conferences & camps repo / website at the
Planet Ruby org.

Find all upcoming conferences & camps at the 2018 page [1].

You can also subscribe to montlhy updates (via web feed) if I
manage to put togehter a post every month. Find the first What's Up in
2018/1? for January[2] online - all about Ruby on Ice and Ruby Habits
Vienna.

Updates welcome.

Best way to learn Ruby internals

Hi all,

While I love Ruby, I must admit, I only have a small amount of knowledge of
how Ruby "pickles my onion". Being someone who likes to know how things
work, I'd love to dive into Ruby's source code but before I blindly go
where many people have gone before, I was wondering what you lovely
Rubyists would recommend doing. Is Ruby similar to Python (excuse my
language) in the sense it is compiled to bytecode and an interpreter runs
it implicitly? Any videos/articles you have on Ruby's internals would be
appreciated.

Should "ruby_version" return the full version, or only the first 2 digits?

On FreeBSD 11.1:

On Ubuntu 17.10:

On FreeBSD,  2.4 also matches ruby-2.4.pc file, and on Ubuntu 2.3.0
doesn't.

PSA: String memory use reduction techniques

Hopefully some of you are trying and enjoying Ruby 2.5 by now.
I figured I'd write about some changes to C Ruby over the years
which make it easier to reduce memory use.

String objects are often to blame for high memory usage in
Ruby applications.

minitest 5.11.1 Released

minitest version 5.11.1 has been released!

* home: <https://github.com/seattlerb/minitest>
* bugs: <https://github.com/seattlerb/minitest/issues>
* rdoc: <http://docs.seattlerb.org/minitest>
* vim: <https://github.com/sunaku/vim-ruby-minitest>
* emacs: <https://github.com/arthurnn/minitest-emacs>

minitest provides a complete suite of testing facilities supporting
TDD, BDD, mocking, and benchmarking.

"I had a class with Jim Weirich on testing last week and we were
allowed to choose our testing frameworks.

Gem Series ++ Ruby Project Automation 'n' Database Documentation Tools @ Yuki & Moto Press Bookshelf

Hello,

I added another (free) book to the Yuki & Moto bookshelf. Let's
welcome the new Gem Series. First volume:

Project Automation 'n' Database Documentation Tools [1]

Contents

1. quik - Quick Starter Template Script Wizard; The Missing Code
Generator 'n' Project Scaffolder for Gems, Sinatra, Jekyll 'n' More

2. hoe - Build, Package and Publish Gems with Hoe; Use Build Scripts
with Ready-to-Use Rake Tasks

3. schemadoc - Auto-generate your SQL database schema documentation
for tables, columns, symbols A-Z, etc

4.

compact return with print out string

I must do a lot of verifications inside a def so i would like to know to
compact return and error notification
thanks
def self.doSomething(*args)
# Normal approach
if (0..4).include?index
puts "you has problem A"
return false
end
# Desired approach
return_with_info(false,"you has problem A") unless (0..4).include?index
end

minitest 5.11.0 Released

minitest version 5.11.0 has been released!

* home: <https://github.com/seattlerb/minitest>
* bugs: <https://github.com/seattlerb/minitest/issues>
* rdoc: <http://docs.seattlerb.org/minitest>
* vim: <https://github.com/sunaku/vim-ruby-minitest>
* emacs: <https://github.com/arthurnn/minitest-emacs>

minitest provides a complete suite of testing facilities supporting
TDD, BDD, mocking, and benchmarking.

"I had a class with Jim Weirich on testing last week and we were
allowed to choose our testing frameworks.

Ruby 3x3 - Ruby 3 Will Be 3 Times Faster - What's News? (Updates Welcome)

Hello,

over at the Ruby Advent Calendar 2017 I've added another new page:

Ruby 3x3 [1] - Ruby 3 Will Be 3 Times Faster (in 2020) - What's News?

that collects news bytes, (optcarrot) benchmarks and more about Ruby 3x3.

Great news. Ruby is getting faster and faster. See the Optcarrot
benchmarks. :-)

Cheers.

setup print out in custom def

Hi i am working with a class of multiple methods

Class Bar
Def self.Foo1 (*args)
Do and print somethings
return result
end#Def
Def self.Foo2 (*args)
Do and print somethings
return result
end#Def
Def self.Foo3 (*args)
Do and print somethings
return result
end#Def

i want to set that the def Foo should print out only when i write
Bar.Foo1(*args).print_out and hide print with Bar.Foo1(*arg) only. Adding
one more argument is inconvenient for me (too much)

Thanks

Free (Online) Book - Programming Cryptocurrencies and Blockchains in Ruby @ Yuki & Moto Press Bookshelf

Hello,

Why not learn and build your own cryptos in 2018?!

I've put together a new free book: Programming Cryptocurrencies and
Blockchains in Ruby [1] @ Yuki & Moto Press Bookshelf.

The book incl. merkle trees, central banks, shilling, crypto
kitties & copycats, and, of course, tulips (on the blockchain) :-) and
more.

Happy new year. Prosit 2018! Cheers.

[1] <a href="http://yukimotopress.github.io/blockchains" title="http://yukimotopress.github.io/blockchains">http://yukimotopress.github.io/blockchains</a>

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msgthr 1.1.0 - container-agnostic, non-recursive message threading

Pure Ruby message threading based on the algorithm described by
JWZ in <https://www.jwz.org/doc/threading.html> and used in
countless mail and news readers; but with some features removed
and improved flexibility for non-mail/news usage.

* <a href="https://80x24.org/msgthr/README" title="https://80x24.org/msgthr/README">https://80x24.org/msgthr/README</a>
* API: <a href="https://80x24.org/msgthr/rdoc/Msgthr.html" title="https://80x24.org/msgthr/rdoc/Msgthr.html">https://80x24.org/msgthr/rdoc/Msgthr.html</a>
* public list: <a href="mailto:msgthr- ... at 80x24 dot org">msgthr- ... at 80x24 dot org</a>
* mail archives: <a href="https://80x24.org/msgthr-public/" title="https://80x24.org/msgthr-public/">https://80x24.org/msgthr-public/</a>
* git clone <a href="https://80x24.org/msgthr.git" title="https://80x24.org/msgthr.git">https://80x24.org/msgthr.git</a>
* follow releases: <a href="https://80x24.org/msgthr/NEWS.atom.xml" title="https://80x24.org/msgthr/NEWS.atom.xml">https://80x24.org/msgthr/NEWS.atom.xml</a>
* follow all: <a href="https://80x24.org/msgthr-public/new.atom" title="https://80x24.org/msgthr-public/new.atom">https://80x24.org/msgthr-public/new.atom</a>
* nntp://news.public-inbox.org/inbo

active_record_doctor 1.5.0 - identify database issues before they hit production

Hi!

I'm pleased to announce the release of active_record_doctor 1.5.0.

Syslog::Logger Behaviour

Dear Ruby Users,

Currently I am investigating some behaviour around instances of the
Syslog::Logger class that, to me, looks strange (more likely my ignorance).
Normally, with Ruby's standard Logger class, it is possible to do the
following:

logger.level = :INFO

In the back this is converted to the appropriate integer (in this case 1):

#<Logger:...

Any good book on hanami framework?

Good morning my beloved rubyists,

Hope you are doing well. Recently,i came across hanami while reading a
blog. I was hoping to find books on hanami,but to no avail. Kindly help me
out .

Yours sincerely,

Surya Poojary.

nio4r 2.2.0: cross-platform low-level async I/O primitives for Ruby inspired by the Java NIO API

nio4r provides an abstract, cross-platform stateful I/O selector API for
Ruby. I/O selectors are the heart of "reactor"-based event loops, and
monitor multiple I/O objects for various types of readiness, e.g.

It's Official - Ruby 2.5 Released - What's News?

Hello,

Congrats for all the work on the new Ruby 2.5 series [1].

At the Ruby Advent Calendar [2] I collect Ruby 2.5 news bytes. So
far the articles, posts, etc.

unicorn 5.4.0 - Rack HTTP server for fast clients and Unix

unicorn is an HTTP server for Rack applications designed to only serve
fast clients on low-latency, high-bandwidth connections and take
advantage of features in Unix/Unix-like kernels.

rasn1 0.6.1 released

rasn1 0.6.1 has been released.

* home: <https://github.com/sdaubert/rasn1>
* bugs: <https://github.com/sdaubert/rasn1/issues>
* doc: <https://github.com/sdaubert/rasn1/wiki>

RASN1 is a pure ruby ASN.1 library.

VS Code for Ruby – Experience?!

Hi,

Has anybody experience using Visual Studio Code for Ruby?

I haven’t got a special problem and I dont’t want to start another IDE war, but I’m looking for some real life experience with this IDE and Ruby; is somebody using VS Code for developing Ruby applications? Any pros/cons re. this setup? Something a starter with this setup should now about?

I’m on Mac using the latest Ruby and VS Code installations with the »standard« Ruby extension rebornix.Ruby and necessary dependecies like ruby-debug-ide, debase installed.

Many thanks!

Regards,
Michael

Day 20 - Ruby Advent Calendar 2017 - Build Your Own What’s On / What’s Up Event Calendar from READMEs in (Structured) Text; Ruby Conferences from Around the World and Much More

Hello,

welcome back to the Ruby Advent Calendar 2017 [1] - 25 Days
of Ruby Gems / Libraries from December 1 to December 25.

Let's continue the (talking to myself :-) on the mailing list)
series on Day 20 with the eventdb [2] library / gem and the whatson
command line tool suite (rubyconf, beerfest, kickoff):

Build your own What’s On / What’s Up event calendar from READMEs in
(structured) text [...]

Note: A ready-to-use command-line tool e.g. rubyconf for listing
upcoming ruby conferences & camps is bundled up in the whatson library
& command line tool suite e.g.

minitest 5.11.0b1 Released

minitest version 5.11.0b1 has been released!

* home: <https://github.com/seattlerb/minitest>
* bugs: <https://github.com/seattlerb/minitest/issues>
* rdoc: <http://docs.seattlerb.org/minitest>
* vim: <https://github.com/sunaku/vim-ruby-minitest>
* emacs: <https://github.com/arthurnn/minitest-emacs>

minitest provides a complete suite of testing facilities supporting
TDD, BDD, mocking, and benchmarking.

"I had a class with Jim Weirich on testing last week and we were
allowed to choose our testing frameworks.

How do I get open-uri to deliver the same html as what Firefox is seeing?

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Nokogiri parsing Google page. Want links

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"90 Day Wonder" Mentoring

Having a mentor helps you grow much faster than just consuming a book or
video. Insightful feedback pushes you to learn faster. Mentors have long
been a strength of the coding community.

Except for those of us who don't work in a coding shop, or we're doing a
language/skill no one at work knows or cares about. IRC is good for fast
answers but not as helpful for long term growth.

A few years ago I ran a "90 Day Wonder" mentoring program. We took a
book and worked through it together. Since I wasn't a subject matter
expert I enlisted smarter people to help.

packetgen 2.3.0 released

packetgen 2.3.0 has been released.

* home: <https://github.com/sdaubert/packetgen>
* bugs: <https://github.com/sdaubert/packetgen/issues>
* doc: <https://github.com/sdaubert/packetgen/wiki>

PacketGen provides simple ways to generate, send and capture network
packets.

Known protocols are: Ethernet, Dot11, Dot1x, ARP, IP, IPv6, GRE, ICMP,
ICMPv6, UDP, TCP, SNMP, ESP, DNS, IKE, EAP, BOOTP, DHCP, TFTP and HTTP.

Changes:

### 2.3.0 / 2017-12-17

* Add support for TFTP protocol.
* SNMP:
** add PacketGen::Header::SNMP#pdu to ease access to PDU
** PacketGen::Header::SNMP::GetRequest: add some de

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fast_underscore

Hi Ruby folks,

In the flavor of Sam Saffron's fast_blank gem for speeding up AS' blank?
method, I wrote a fast_underscore gem (
<a href="https://github.com/kddeisz/fast_underscore" title="https://github.com/kddeisz/fast_underscore">https://github.com/kddeisz/fast_underscore</a>) this weekend that does the same
for the AS underscore method (was noticing it in my stack profiling). Some
people may see a very small uptick in performance from their Rails apps
using this gem. YMMV.

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