Example class BrowserController < ApplicationController include ActionController::Live def index 100.times do response.stream.write "hello!\n" end response.stream.close end end
Example class BrowserController < ApplicationController include ActionController::Live def index 100.times do response.stream.write "hello!\n" end response.stream.close end end Mix in Stream
Block until write def call(env) res = Response.new controller.response = res Thread.new { controller.index } res.stream.await [res.status, res.headers, res.stream] end
Blocking Buffer class Buffer def initialize @latch = Latch.new @buffer = Queue.new end def await # wait for write @latch.await end def write(str) @latch.release @buffer << str end end
Blocking Buffer class Buffer def initialize @latch = Latch.new @buffer = Queue.new end def await # wait for write @latch.await end def write(str) @latch.release @buffer << str end end `call` blocks here
Client Side jQuery(document).ready(function() { setTimeout(function() { var source = new EventSource('/control'); // if we get a reload command, reload the page source.addEventListener('reload', function(e) { window.location.reload(); }); }, 1); });
Client Side jQuery(document).ready(function() { setTimeout(function() { var source = new EventSource('/control'); // if we get a reload command, reload the page source.addEventListener('reload', function(e) { window.location.reload(); }); }, 1); });
Client Side jQuery(document).ready(function() { setTimeout(function() { var source = new EventSource('/control'); // if we get a reload command, reload the page source.addEventListener('reload', function(e) { window.location.reload(); }); }, 1); });
Client Side jQuery(document).ready(function() { setTimeout(function() { var source = new EventSource('/control'); // if we get a reload command, reload the page source.addEventListener('reload', function(e) { window.location.reload(); }); }, 1); });
Message Bus class Bus include Observable def publish data changed notify_observers data end def add_observer &block o = Class.new { define_method(:update) { |data| block.call data } }.new super(o) end end
Emit SSE def index queue = Queue.new observer = BUS.add_observer { |data| queue << data } begin while data = queue.pop begin io.write data, :event => 'measurement' rescue IOError queue.push nil io.close end end ensure BUS.delete_observer observer end end
putobject /** @c put @e put some object. i.e. Fixnum, true, false, nil, and so on. @j ΦϒδΣΫτ val ΛελοΫʹϓογϡ͢Δɻ i.e. Fixnum, true, false, nil, and so on. */ DEFINE_INSN putobject (VALUE val) () (VALUE val) { /* */ }
putobject /** @c put @e put some object. i.e. Fixnum, true, false, nil, and so on. @j ΦϒδΣΫτ val ΛελοΫʹϓογϡ͢Δɻ i.e. Fixnum, true, false, nil, and so on. */ DEFINE_INSN putobject (VALUE val) () (VALUE val) { /* */ } It does nothing.
String Allocations FROM = "FROM " def visit_Arel_Nodes_SelectCore o select = "SELECT" if o.source select << FROM select << visit(o.source) end select end
String Allocations FROM = "FROM " def visit_Arel_Nodes_SelectCore o select = "SELECT" if o.source select << FROM select << visit(o.source) end select end
Track Total Time BEGIN { start = timestamp; } END { total = timestamp - start; printf("mark time (ns): "); printa("%@d\n", @mark_time); printf("sweep time (ns): "); printa("%@d\n", @sweep_time); printf("total time (ns): %d", total); }
Statistics Total Files 1649 Total Search Time 460096404 Total Time 1499901879 Mean Time 278846 Min Time 13840 Max Time 1392542 Std Dev 192585 Time in Nanoseconds 30%
Statistics Total Files 1649 Total Search Time 182910579 Total Time 1141907918 Mean Time 110854 Min Time 1905 Max Time 926160 Std Dev 134429 Time in Nanoseconds 16%
$ time ruby-trunk -Ilib:. -rconfig/environment -e 0 real 0m1.479s user 0m1.280s sys 0m0.191s $ time ruby-req -Ilib:. -rconfig/environment -e 0 real 0m1.145s user 0m0.972s sys 0m0.169s
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