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Entity Framework 6 Code first Default value
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You can do it by manually edit code first migration:
public override void Up()
{
AddColumn("dbo.Events", "Active", c => c.Boolean(nullable: false, defaultValue: true));
}
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Throw an error in a MySQL trigger
...it!Thx.
– Nicola Peluchetti
Mar 12 '11 at 14:44
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Convert float to double without losing precision
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It's not that you're actually getting extra precision - it's that the float didn't accurately represent the number you were aiming for originally. The double is representing the original float accurately; toString is showing the "extra" data which wa...
Are there any suggestions for developing a C# coding standards / best practices document? [closed]
...recent AI graduate (circa 2 years) working for a modest operation. It has fallen to me (primarily as I'm the first 'adopter' in the department) to create a basic (read useful?) C# coding standards document.
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动态组件使用指导 · App Inventor 2 中文网
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版本（Version）
上游拓展的版本号（11），与原拓展一致。
版本名称（VersionName）
上游拓展的版本名（2.3.1），与原拓展一致。
修改编号（编号，新编号）（ChangeId）
把已创...
解决：Run-Time Check Failure #0，The value of ESP was not properly sav...
...就可以在定义该函数的时候加上一句话，
FAR PASCAL 或者 __stdcall 这个就OK了。
具体做法：
比如说你要定义一个 返回类型为空，参数为空的函数指针：
typedef void （*LPFUN）（void）;
这样确实跟我们dll里的函数匹配了，上面也说...
endsWith in JavaScript
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UPDATE (Nov 24th, 2015):
This answer is originally posted in the year 2010 (SIX years back.) so please take note of these insightful comments:
Shauna - Update for Googlers - Looks like ECMA6 adds this function. The MDN article also shows a polyfill. https://developer.m...
串口通信器使用指导 · App Inventor 2 中文网
...计时启用：假，始终计时：假
按钮
按钮_打开、按钮_发送、按钮_关闭
标签
标签_状态、标签_发送、标签_接收
完整代码块
帧为 A5 + 01 + 两字节数值 1500 + SUM8，共 5 字节...
Fastest way to determine if an integer's square root is an integer
... CPU (x86) and programming language (C/C++). Your results may vary, especially because I don't know how the Java factor will play out.
My approach is threefold:
First, filter out obvious answers. This includes negative numbers and looking at the last 4 bits. (I found looking at the last six di...
Fixing JavaScript Array functions in Internet Explorer (indexOf, forEach, etc.) [closed]
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Many use the MDC fallback implementations (eg. for indexOf). They're generally rigorously standards-compliant, even to the extent of explicitly checking the types of all the arguments.
Unfortunately whilst it is clear that the authors regard ...