bonyiii

http://www.ehow.com/how_7517984_restore-overwritten-file-linux.html
Assess which partition on your computer you need to access to recover the files.
2

Unmount the directory using the "unmount" command in the interface. This will help prevent damaging the file you are trying to recover.
3

Type "debugfs" in the command line interface (all typing without quotation marks) and include the file system where the overwritten file is into the command. For example, typing "debugfs usr/personal" will bring up your personal directory. Hit "Enter" after typing the command.
4

bonyiii

# Function returns user.login, current year, the primary_key which is the id, in 5 length (Example: 00045) 
string format
# http://developer.postgresql.org/pgdocs/postgres/functions-formatting.html
# to_char(5,'00000') results the same number format
CREATE OR REPLACE FUNCTION "public"."function_name" () RETURNS trigger AS
'
BEGIN
    NEW.title = (SELECT login FROM users WHERE id = NEW.author) || to_char(NOW(),\'YYYY\') || lpad(NEW.id::char, 5, \'0\');
    RETURN NEW;
END

bonyiii

# http://linuxcommando.blogspot.com/2008/09/how-to-find-and-delete-all-hard-links.html

How to find and delete all hard links to a file

Deleting a file is deceptively simple. You can simply use the rm command like this.
$ rm file1


However, if the file has one or more hard links to it, life gets more interesting. You need to seek and destroy all hard links to the file. 

bonyiii

http://www.kolodvor.net/2010/01/02/rails-csrf-and-ajax-requests/
http://api.rubyonrails.org/classes/ActionController/RequestForgeryProtection/ClassMethods.html#M000514

http://stackoverflow.com/questions/5241213/rails-session-is-blank-when-using-http-put

Key thing is to add form_authenticity_token to path param as a query_string
http://api.rubyonrails.org/classes/ActionView/Helpers/UrlHelper.html#method-i-link_to

<%= link_to 'Reset', null_counter_model_path(model, :authenticity_token => form_authenticity_token), :confirm => 'Are you sure?', :method => :put, :remote => true %>

bonyiii

An example to patch unixODBC-2.3.0 on a 64bit machine to work with oracle 8.

First download unixODBC source. mkdir /tmp/unixODBC/source

Create two new folder. mkdir /tmp/unixODBC/patch/original mkdir /tmp/unixODBC/patch/unixODBC-2.3.0/DriverManager/

cp /tmp/unixODBC/source/unixODBC-2.3.0/DriverManager/SQLConnect.c /tmp/unixODBC/patch/original

bonyiii

# Creating view or temp table
ActiveRecord::Base.connection.execute("CREATE TEMPORARY TABLE users#{args.offset} SELECT * FROM users LIMIT #{limit} OFFSET #{(args.offset - 1) * limit}")

# or
ActiveRecord::Base.connection.execute("CREATE VIEW users#{args.offset} AS SELECT * FROM users LIMIT #{limit} OFFSET #{(args.offset - 1) * limit}")

### Giving relation back, suitable for find_in_batches

#User.arel_table.name ='users2'
# This changes table name in FROM part of the query

bonyiii

http://speakmy.name/2013/04/02/concurrent-programming-and-threads-in-ruby-reading-list/

Concurrent Programming and Threads in Ruby - a reading list

02 April 2013

Many rubyists consider threads in Ruby as somewhat of an arcane knowledge, though in reality they’re a very well researched and understood concept. Of course, writing effective multithreaded concurrent programs requires certain amount of knowledge and discipline from the programmer, but there’s nothing that a smart one can’t learn if he wants to.

To help with the task, awesome @brainopia compiled a list of recommended reading on the topic of concurrency and threads. All kudos go to @brainopia, and the original list in Russian as available as a gist here:

bonyiii

Other great tool:

https://launchpad.net/mysql-tuning-primer




Hack MySQL ‹ mysqlreport ‹ Download ‹ Guide › Documentation
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bonyiii

docker run -it \
       --name sapi \
       -p 3000:3000 \
       --security-opt seccomp:chrome.seccomp.json \
       -e DISPLAY=unix$DISPLAY \
       -v /home/boni/public_html/app/my-api/gems:/usr/local/bundle \
       -v /home/boni/public_html/app/my-api:/var/www/my-api \
       -v /tmp/.X11-unix:/tmp/.X11-unix \
       -v $HOME/Downloads:/home/dev/Downloads \
       -v $HOME/.config/google-chrome/:/home/dev/data \

bonyiii

#!/bin/bash
set -e

case "$1" in
    rails|rake|passenger)
	# ensure the right database adapter is active in the Gemfile.lock
        if [ -z "$NO_BUNDLE" ]; then
            # bundle install  --without development test
            bundle install
            chown dev:dev $GEM_HOME -R