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Database, Table and Column Naming Conventions? [closed]
...
wilsonmar.com/sql_adventureworks.htm is an excellent analysis of the AdventureWorks schema.
– Daniel Trebbien
Jan 11 '11 at 0:40
...
领域驱动设计系列（三）:事件驱动上 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ce emailService, IEquipmentRepository equipmentRepository)
{
_emailService = emailService;
_equipmentRepository = equipmentRepository;
}
为何用事件？
SRP （单一职责)
比如我们一个会议室预定系统，我们的一个设备坏了。我们需要通知...
【phpcms v9】html静态化设置及URL规则优化 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...成：
{$categorydir}{$catdir}/index.html|{$categorydir}{$catdir}/index_{$page}.html
按照栏目index页面生成，栏目列表变成：index.html、index_2.html、index_3.html……这样比较明朗。
如果要自定义生成到某一个固定的目录，可以在前面添加一个特...
Undefined reference to symbol X509_free - C/C++ - 清泛网 - 专注C/C++及内核技术
Undefined reference to symbol X509_freeundefined-reference-to-symbol-x509-freeUndefined reference to symbol X509_free 编译错误的解决方法：链接库中增加 -lcrypto，而非 -lcrypt参考：https: stackoverflow com questions 33215936 undefined-reference-to-symbol-x509-freeUndefined refer...
How do I shuffle an array in Swift?
...Distance` in < Swift 4.1
let d: Int = numericCast(arc4random_uniform(numericCast(unshuffledCount)))
let i = index(firstUnshuffled, offsetBy: d)
swapAt(firstUnshuffled, i)
}
}
}
extension Sequence {
/// Returns an array with the contents of this...
Android - Package Name convention
...va, more about which can be read
here:*
http://en.wikipedia.org/wiki/Java_package#Package_naming_conventions
Source: http://www.quora.com/Why-do-a-majority-of-Android-package-names-begin-with-com
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...
How to upload a file in Django? [closed]
... models.py
urls.py
views.py
__init__.py
manage.py
settings.py
urls.py
1. Settings: myproject/settings.py
To upload and serve files, you need to specify where Django stores uploaded files and from what URL Django se...
How to move a model between two Django apps (Django 1.7)
...ration to remove model from 1st app.
$ python manage.py makemigrations old_app --empty
Edit migration file to include these operations.
class Migration(migrations.Migration):
database_operations = [migrations.AlterModelTable('TheModel', 'newapp_themodel')]
state_operations = [migration...
How should the ViewModel close the form?
...e OnLoaded method of your window should be overridden:
void CustomerWindow_Loaded(object sender, RoutedEventArgs e)
{
CustomerViewModel customer = CustomerViewModel.GetYourCustomer();
DataContext = customer;
customer.RequestClose += () => { Close(); };
}
or OnStartup method of you ...
Encoding an image file with base64
...long the lines of:
import base64
with open("yourfile.ext", "rb") as image_file:
encoded_string = base64.b64encode(image_file.read())
You have to open the file first of course, and read its contents - you cannot simply pass the path to the encode function.
Edit:
Ok, here is an update after y...