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nicky-zs / readline.js
Created December 19, 2013 02:47
The readline functionality is not very well supported in nodejs for it's api level is unstable as well as it is treated for tty use first. Here is a simple segment to readline from stdin. If you want to readline from a file, either changing the code with fs.createReadStream or just redirecting input from bash can do.
var readline = require('readline');
function main() {
readline.createInterface({
input: process.stdin,
terminal: false,
}).on('line', function(line) {
console.log(line);
});
}
@nicky-zs
nicky-zs / memcpy.c
Created November 19, 2013 06:31
One way to solve the glibc compatibility problem. In my case, when building a program with libthrift.a on linux with glibc version 2.15, ld always links memcpy@GLIBC_2.14 which cannot be found on systems with glibc version < 2.14. So, use this file to define a symbol __wrap_memcpy and use -Wl,--wrap=memcpy to tell ld using this symbol when meeti…
#include <string.h>
void *__memcpy_glibc_2_2_5(void *, const void *, size_t);
asm(".symver __memcpy_glibc_2_2_5, memcpy@GLIBC_2.2.5");
void *__wrap_memcpy(void *dest, const void *src, size_t n)
{
return __memcpy_glibc_2_2_5(dest, src, n);
}
@nicky-zs
nicky-zs / multipart.py
Created September 23, 2013 05:43
Build multipart/form-data with files.
#vim: fileencoding=utf-8
import mimetools
import itertools
class MultiPartForm(object):
def __init__(self):
self.form_fields = []
self.files = []
@nicky-zs
nicky-zs / make_safely_shutdown.py
Created August 22, 2013 09:10
Make the tornado httpserver.HTTPServer to be shutdown safely.
# vim: fileencoding=utf-8
import time, signal
from tornado import web, ioloop, options, httpserver
_SHUTDOWN_TIMEOUT = 30
def make_safely_shutdown(server):
io_loop = server.io_loop or ioloop.IOLoop.instance()
def stop_handler(*args, **keywords):
def shutdown():
@nicky-zs
nicky-zs / run_background.py
Last active December 21, 2015 04:08
Run costly tasks in the background in tornado, along with tornado.gen.engine.
# vim: fileencoding=utf-8
import sys, time
from multiprocessing.pool import ThreadPool
from tornado import web, gen, stack_context, httpserver, ioloop, util, options
_workers = ThreadPool()
def costly_task(n): # a costly task like processing images
time.sleep(n)
return n