目录 Making queries 进行查询 创建一个对象(一条数据记录) 保存修改的表对象 保存外键字段或多对多字段(ForeignKey or ManyToManyField fields) Retrieving objects 查出对象(QuerySet) Retrieving all objects 查出所有对象 Retrieving specific objects with filters 通过 filter 查出指定的对象 Retrieving a single object wi…
Caffe原来叫:Convolutional Architecture for Fast Feature Embedding 官网的个人翻译:http://blog.csdn.net/fengbingchun/article/details/49535873 NG的英文教程:http://ufldl.stanford.edu/tutorial/supervised/MultiLayerNeuralNetworks/ NG的中文教程:http://ufldl.stanford.edu/wiki/i…
1.环境配置: (1)Install Setuptools¶ To install Python packages on your computer, Setuptools is needed. Download the latest version of Setuptools for your Python version and follow the installation instructions given there. (2)install pip Open a command p…
1. Creating app $ python manage.py startapp polls That'll create a directory polls, which is laid out like this: polls/ __init__.py admin.py migrations/ __init__.py models.py tests.py views.py 1.1 Edit polls/models.py: from django.db import models cl…
1. Creating a project From the command line, cd into a directory where you'd like to store your code, then run the following command: $ django-admin startproject mysite Let's look at what startproject created: mysite/ manage.py mysite/ __init__.py se…
多表查询是模型层的重要功能之一, Django提供了一套基于关联字段独特的解决方案. ForeignKey 来自Django官方文档的模型示例: from django.db import models class Blog(models.Model): name = models.CharField(max_length=100) tagline = models.TextField() class Author(models.Model): name = models.CharField(m…
