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Introducing FOREIGN KEY constraint may cause cycles or multiple cascade paths - why?

...igure out what's happening. I have a Card entity which contains Sides (usually 2) - and both Cards and Sides have a Stage. I'm using EF Codefirst migrations and the migrations are failing with this error: ...
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Opening Android Settings programmatically

How can I open settings programmatically? 11 Answers 11 ...
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Hidden Features of JavaScript? [closed]

...ert it to a real array if you want: "var argArray = Array.prototype.slice.call(arguments);" ) – Jacob Mattison Jan 26 '09 at 21:37 51 ...
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How do I see what character set a MySQL database / table / column is?

... This should be merged in the top answer. It really helped me. – beppe9000 Jan 14 '17 at 16:55 add a comment  |  ...
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std::find,std::find_if使用小结 - C/C++ - 清泛网 - 专注C/C++及内核技术

std::find,std::find_if使用小结STL的find,find_if函数提供了一种对数组、STL容器进行查找的方法。使用该函数,需 #include <algorithm>我们查找一个list中的数据,通常...STL的find,find_if函数提供了一种对数组、STL容器进行查找的方法。使...
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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...
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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...
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Can Selenium interact with an existing browser session?

... This is a pretty old feature request: Allow webdriver to attach to a running browser . So it's officially not supported. However, there is some working code which claims to support this: https://web.archive.org/web/20171214043703/http://tarunlalwani.com/post/reu...
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Compiling Java 7 code via Maven

... Check the mvn script in your maven installation to see how it's building the command. Perhaps you or someone else has hard-coded a JAVA_HOME in there and forgotten about it. share ...
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RESTful URL design for search

...lue&amp;doors=4&amp;type=sedan #I don't recommend using &amp;* Or basically anything what isn't a slash as explained above. The formula: /cars[?;]color[=-:]blue[,;+&amp;], * though I wouldn't use the &amp; sign as it is unrecognizable from the text at first glance. ** Did you know that passi...