View 2048.c
| 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 |
ahoward
/ net-http-debug.rb
Created Dec 10, 2010
a simple way to debug tons of libs that use ruby's net/http
View net-http-debug.rb
| BEGIN { | |
| require 'net/http' | |
| Net::HTTP.module_eval do | |
| alias_method '__initialize__', 'initialize' | |
| def initialize(*args,&block) | |
| __initialize__(*args, &block) |
brianhempel
/ bench_rails_memory_usage.rb
Last active Apr 5, 2020
A script to test the memory usage of your Rails application over time. It will run 30 requests against the specified action and report the final RSS. Choose the URL to hit on line 45 and then run with `ruby bench_rails_memory_usage.rb`.
View bench_rails_memory_usage.rb
| require "net/http" | |
| def start_server | |
| # Remove the X to enable the parameters for tuning. | |
| # These are the default values as of Ruby 2.2.0. | |
| @child = spawn(<<-EOC.split.join(" ")) | |
| XRUBY_GC_HEAP_FREE_SLOTS=4096 | |
| XRUBY_GC_HEAP_INIT_SLOTS=10000 | |
| XRUBY_GC_HEAP_GROWTH_FACTOR=1.8 | |
| XRUBY_GC_HEAP_GROWTH_MAX_SLOTS=0 |
peterc
/ methods_returning.rb
Last active Aug 14, 2017
Object#methods_returning - to work out which method on an object returns what we want
View methods_returning.rb
| require 'stringio' | |
| require 'timeout' | |
| class Object | |
| def methods_returning(expected, *args, &blk) | |
| old_stdout = $> | |
| $> = StringIO.new | |
| methods.select do |meth| | |
| Timeout::timeout(1) { dup.public_send(meth, *args, &blk) == expected rescue false } rescue false |