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领域驱动设计系列 (四):事件驱动下 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...;
}
所以我们只需在代码里RaiseEvent就可以了。
那么如何订阅事件
其实很简单,因为我们要实现的是同步的事件,我们只需要找到所有处理这个事件的实现类,然后调用所有就可以了。
public interface IEventHandler<TEvent> where ...
Removing MySQL 5.7 Completely [closed]
I am trying to uninstall mysql from my ubuntu 12.04 completely. But not able to.
3 Answers
...
Is there a REAL performance difference between INT and VARCHAR primary keys?
...e performance difference between using INT vs. VARCHAR as a primary key in MySQL? I'd like to use VARCHAR as the primary key for reference lists (think US States, Country Codes) and a coworker won't budge on the INT AUTO_INCREMENT as a primary key for all tables.
...
写出高质量代码的10个Tips - 更多技术 - 清泛网 - 专注C/C++及内核技术
写出高质量代码的10个Tips很长一段时间以来,我都在关注如何提高代码质量,也为此做过一些尝试,我想这个话题可能大家会比较感兴趣,在这里分享一下我关于如何提高代...很长一段时间以来,我都在关注如何提高代码质量,...
Serializing object that contains cyclic object value
...which is objects with the special $ref property. Let's see how that works.
root = makeToolshed();
[root.bolt === root.nut.needs, root.nut.needs.needs === root.nut]; // retutrns [true,true]
The dollar sign stands for the root. .bolt having $ref tells us that .bolt is an "already seen" object, and th...
How to create a zip archive of a directory in Python?
...port zipfile
def zipdir(path, ziph):
# ziph is zipfile handle
for root, dirs, files in os.walk(path):
for file in files:
ziph.write(os.path.join(root, file))
if __name__ == '__main__':
zipf = zipfile.ZipFile('Python.zip', 'w', zipfile.ZIP_DEFLATED)
zipdir('tmp/'...
Compelling examples of custom C++ allocators?
...
I'm working with a MySQL storage engine that uses c++ for its code. We're using a custom allocator to use the MySQL memory system rather than competing with MySQL for memory. It allows us to make sure we're using memory as the user configured M...
Django MEDIA_URL and MEDIA_ROOT
...rest of your URLconf goes here ...
) + static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)
You no longer need if settings.DEBUG as Django will handle ensuring this is only used in Debug mode.
ORIGINAL answer for Django <= 1.6
Try putting this into your urls.py
from django.conf im...
如何建立一套适合自己的高胜算交易系统 - 更多技术 - 清泛网 - 专注C/C++及内核技术
如何建立一套适合自己的高胜算交易系统这个交易系统是非机械的,适合你自己个性的,有完善的交易思想、细致的市场分析和整体操作方案的,在风险市场的赢家都有自已的交易系统,因...这个交易系统是非机械的,适合你自...
Best practice for Django project working directory structure
...s_dev.txt.
Some services (eg. heroku) requires to have requirements.txt in root directory.
setup.py
Useful when deploying project using setuptools. It adds manage.py to PATH, so I can run manage.py directly (anywhere).
Project-specific apps
I used to put these apps into project_name/apps/ directory ...
