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# Signal catching | |
def shut_down | |
puts "\nShutting down gracefully..." | |
sleep 1 | |
end | |
puts "I have PID #{Process.pid}" | |
# Trap ^C | |
Signal.trap("INT") { |
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class Foo | |
class << self | |
def exec | |
something | |
rescue => ex | |
ex.message | |
end | |
def something | |
"something" |
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M[16],X=16,W,k;main(){T(system("stty cbreak") | |
);puts(W&1?"WIN":"LOSE");}K[]={2,3,1};s(f,d,i | |
,j,l,P){for(i=4;i--;)for(j=k=l=0;k<4;)j<4?P=M | |
[w(d,i,j++)],W|=P>>11,l*P&&(f?M[w(d,i,k)]=l<< | |
(l==P):0,k++),l=l?P?l-P?P:0:l:P:(f?M[w(d,i,k) | |
]=l:0,++k,W|=2*!l,l=0);}w(d,i,j){return d?w(d | |
-1,j,3-i):4*i+j;}T(i){for(i=X+rand()%X;M[i%X] | |
*i;i--);i?M[i%X]=2<<rand()%2:0;for(W=i=0;i<4; | |
)s(0,i++);for(i=X,puts("\e[2J\e[H");i--;i%4|| | |
puts(""))printf(M[i]?"%4d|":" |",M[i]);W-2 |
In the controller action
image_file = change_img_params(params[:avatar]) #params[:avatar] - base64 string
def change_img_params(img)
begin
Base64.decode64(img) #To check if thats a base64 string
if img
img = file_decode(img.split(',')[1],"some file name") #getting only the string leaving out the data/<format>
end
Magic words:
psql -U postgres
Some interesting flags (to see all, use -h
or --help
depending on your psql version):
-E
: will describe the underlaying queries of the\
commands (cool for learning!)-l
: psql will list all databases and then exit (useful if the user you connect with doesn't has a default database, like at AWS RDS)
(by @andrestaltz)
If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.
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[ | |
// Key remaps | |
// - a | |
{ "keys": ["alt + ' + a"], "command": "insert", "args": {"characters": "á"}}, | |
{ "keys": ["alt + ` + a"], "command": "insert", "args": {"characters": "à"}}, | |
{ "keys": ["alt + \" + a"], "command": "insert", "args": {"characters": "ä"}}, | |
{ "keys": ["alt + ~ + a"], "command": "insert", "args": {"characters": "ã"}}, | |
// - A |
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#!/bin/bash | |
##################################################### | |
# Name: Bash CheatSheet for Mac OSX | |
# | |
# A little overlook of the Bash basics | |
# | |
# Usage: | |
# | |
# Author: J. Le Coupanec | |
# Date: 2014/11/04 |
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require 'rails_helper' | |
RSpec.describe TodosController, :type => :controller do | |
describe "GET #index" do | |
#describe "POST #create" do | |
#describe "GET #show" do | |
#describe "PATCH #update" do (or PUT #update) | |
#describe "DELETE #destroy" do | |
#describe "GET #new" do |