tmm1

>  - In ruby 1.8.x, what is the functional difference between rb_thread_schedule and rb_thread_select?

rb_thread_schedule() is the guts of the thread scheduler, it traverses
over the linked list of threads (several times) to find the next one
to switch into. The function is long (250 lines) and messy, and covers
all the combinations of thread status (RUNNABLE, TO_KILL, STOPPED,
KILLED) and wait state (FD, SELECT, TIME, JOIN, PID).

If there are no threads doing i/o or waiting on a timeout,
rb_thread_schedule() picks another thread from the list (considering

nruth

class Tests
  SUBTESTS = %w(Abstract Decision Quantitative Verbal)
end

describe Tests do

  describe "before assigning @ - " do
    describe "this doesn't work because the loops are all at the same describe level (the befores override one another)" do
      Tests::SUBTESTS.each do |test|
        before(:each) do

andreyvit

tmux cheat sheet

(C-x means ctrl+x, M-x means alt+x)

Prefix key

The default prefix is C-b. If you (or your muscle memory) prefer C-a, you need to add this to ~/.tmux.conf:

remap prefix to Control + a

MohamedAlaa

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

willurd

Each of these commands will run an ad hoc http static server in your current (or specified) directory, available at http://localhost:8000. Use this power wisely.

Discussion on reddit.

Python 2.x

$ python -m SimpleHTTPServer 8000

kyrylo

Constant lookup in Ruby can happen lexically or through the ancestry tree of the receiver(a class or module). You can identify which lookup rules are being applied by the context you're in or by the syntax being used to define a class or module.

A class body that is defined as class A::B::C; …; end will lookup constants through the ancestry tree when a constant is evaluated in its class body. Anytime you see A::B::C being used as syntax to define a class or lookup the value of a constant the ancestry tree is being used for the lookup.

Madsy

#include <GL/glew.h>
#include <GLFW/glfw3.h>
#include <vector>
#include <cmath>
#include <cstdio>
#include <limits>
#include <chrono>
#include <thread>
#include <mutex>

ascendbruce

File.expand_path(File.dirname(__FILE__))

# If you want to require some files in different directory, in ruby 1.9, you may want to use:
require_relative "../xxxlib"

keisatou

cpanm -l local https://github.com/<user_name>/<repo_name>/tarball/<branch_name>

e.g.
cpanm -l local https://github.com/issm/p5-Amon2-Plugin-Model/tarball/master

AntonTyutin

#!/bin/bash
MAIL_LOG=${LOG_DIR:-/var/log}/mails.log
echo '== [' $(date +%Y-%m-%d_%H-%M-%S) '] ==' >> $MAIL_LOG
perl -MMIME::QuotedPrint -pe '$_=MIME::QuotedPrint::decode($_);' | tee -a $MAIL_LOG > /dev/null