我有一个小Django应用程序与管理网站部署在Heroku。每当dyno掉下来睡觉时,我在管理站点中预先加载的所有媒体文件(图像)都会消失。我不确定图像是正确地存储在postgresql数据库中,还是没有存储在数据库中,只是存储在媒体位置。其余的都在工作,只是在睡后找不到的图像。我能做什么?这是我的代码:
models.py
from django.db import models
class Service(models.Model):
title = models.CharField(max_length=40)
description = models.TextFiel
我认为春季批次在幕后做了很多事情,所以很难理解。
For instance, what if I want to work with and save 2 objects (parent and children) in 1 processor.
How do chunks save up db/jpa statements like a save/insert, or delete, etc... if multiple things
and objects do saves in the processor? If your chunk size = 50 does
Ruby1.9.2代码:
def append_string_to_text(string_to_append)
string_to_alter = 'starting_bit'
p "OUTSIDE BLOCK: string_to_alter.object_id is #{string_to_alter.object_id}"
Proc.new do
p "****** START OF BLOCK: string_to_alter.object_id is #{string_to_alter.object_id}"