sergeykish

$ ruby --version
ruby 1.8.7 (2009-06-08 patchlevel 173) [i686-linux]
>> Hash[[[1, 2], [3, 4]]]
=> {1=>2, 3=>4}

$ ruby --version
ruby 1.8.6 (2007-09-24 patchlevel 111) [i486-linux]
>> Hash[[[1, 2], [3, 4]]]
ArgumentError: odd number of arguments for Hash
	from (irb):12:in `[]'

sergeykish

$ dpkg-query -L bash | ./parg [ -e {} ]

/.
/bin
/bin/bash
/etc
/etc/skel
/etc/skel/.bashrc
/etc/skel/.profile
/etc/skel/.bash_logout

sergeykish

# make tags
$ ./setup
$ ls
$ mkdir {a,b,c}
$ mkdir unexisting/path
mkdir: cannot create directory `unexisting/path': No such file or directory
$ ls
a  b  c
$ touch file-in-root
$ touch a/fa

sergeykish

# Disable rails ./script/console completion
# to fix `no such file to load -- readline (LoadError)`

$ diff ~/ruby/gems/gems/rails-2.3.5/lib/commands/console.rb{~,}
14c14
< libs =  " -r irb/completion"
---
> libs =  " -r irb"

sergeykish

class Object
  def default(value)
    self
  end
end

class NilClass
  def default(value)
    value
  end

sergeykish

low
high
__iterator__

sergeykish

Array.prototype.next = function() {
  if (this.length == 0) {
    throw StopIteration;
  }
  return this.shift();
}

sergeykish

(function($) {
  $.PaginationCalculator = function(count) {
    this.count = count;
  }

  $.extend($.PaginationCalculator.prototype, {
    range: function(current) {
      var result = [];
      for(var i = current - 2; i <= current + 2; i++) {
        if(i >= 1 && i <= this.count) {

sergeykish

$.extend($.fn, {
  // plugin constructor
  livequery: function(params) {
    // used to find or create livequery object
    var q = q || new $.livequery(params);
  }
});

// constructor
$.livequery = function(params) {

sergeykish

test=# create table nullorder (created_at timestamp);
CREATE TABLE
test=# insert into nullorder (created_at) values (null), (null), ('1999-01-08 04:05:06'), ('1999-11-08 04:05:06'), (null);
INSERT 0 5

test=# select * from nullorder;
     created_at      
---------------------