让我们假设我有一个不能被腌制的对象,但是我正在linux上运行我的代码,并且希望使用叉子的优点。
如果我从解释器运行我的代码,如下所示:
from multiprocessing.pool import Pool
# large object that takes time to calculate - and is not picklable
large_obj = get_large_obj()
def some_func(c):
return large_obj.do_something_with_int(c)
pool = Pool(64)
pool.map(some_f
我在Scala中有以下代码:
val pos = new PipedOutputStream()
val pis = new PipedInputStream(pos)
Future {
LOG.trace("Start rendering")
generateFrames(videoRenderParams.length) {
img ⇒ ImageIO.write(img, "PNG", pos)
}
pos.flush()
我正在用apache运行一个基于django的web应用程序。我可以从python和linux shell连接到mysql,但是,当我运行服务器时,我得到了以下错误。我哪里做错了?
OperationalError at /
(2002, "Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)")
Request Method: GET
Request URL: http://dev.ls.co.uk/
Django Vers