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How to design a product table for many kinds of product where each product has many parameters
...table that pivots attributes to rows, instead of columns. EAV is not a valid design with respect to the relational paradigm, but many people use it anyway. This is the "Properties Pattern" mentioned by another answer. See other questions with the eav tag on StackOverflow for some of the pitfalls...
What is the 'page lifecycle' of an ASP.NET MVC page, compared to ASP.NET WebForms?
...s you mentioned:
Your master pages still exist in MVC and are used to provide a consistent layout to the site. not much new there.
Your content pages will become views in the MVC world. They still provide the same content areas to your master pages.
The eventhandling of webforms should not be use...
vs2008编译boost详细步骤 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...以到官方网站下载：
http://www.boost.org/
（2）安装VS2008 IDE
【Setp2 编译Boost】
1.打开Visual Studio 2008 命令提示窗口
2.进入D:\05_Computer\04_3rdPatry\02Boost\boost_1_44_0\boost_1_44_0\tools\jam\src
3.执行 build.bat 会在D:\05_Computer\04_3rdPatry\02Boost\b...
Prevent unit tests but allow integration tests in Maven
...re surefire (but not failsafe) as follows:
<plugin>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.14</version>
<configuration>
<!-- skips surefire tests without skipping failsafe tests.
Property value seems to m...
Finding the type of an object in C++
I have a class A and another class that inherits from it, B. I am overriding a function that accepts an object of type A as a parameter, so I have to accept an A. However, I later call functions that only B has, so I want to return false and not proceed if the object passed is not of type B.
...
Two sets of parentheses after function call
...lowing way: let add = (x) => (y) => x + y;
– guido
Nov 19 '15 at 8:14
2
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A dependent property in a ReferentialConstraint is mapped to a store-generated column
...
I mistakenly made one of my foreign keys an Identity (auto increment). This is the error I got.
– jocull
Jan 9 '12 at 20:12
3
...
a href link for entire div in HTML/CSS
...
UPDATE 06/10/2014: using div's inside a's is semantically correct in HTML5.
You'll need to choose between the following scenarios:
<a href="http://google.com">
<div>
Hello world
</div>
</a>
which is semantically in...
Handling specific errors in JavaScript (think exceptions)
... "Exception thrown and not caught" error. Following is the exceedingly stupid (as always) explanation from msdn: "You included a throw statement, but it was not enclosed within a try block, or there was no associated catch block to trap the error. Exceptions are thrown from within the try block usin...
Escaping keyword-like column names in Postgres
...uble quotes to stop it being interpreted as a keyword:
INSERT INTO table (id, name, "year") VALUES ( ... );
From the documentation:
There is a second kind of identifier: the delimited identifier or
quoted identifier. It is formed by enclosing an arbitrary sequence of
characters in double-...