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EF Code First “Invalid column name 'Discriminator'” but no inheritance
... occurs is when you have a base class and one or more subclasses, where at least one of the subclasses introduce extra properties:
class Folder {
[key]
public string Id { get; set; }
public string Name { get; set; }
}
// Adds no props, but comes from a different view in the db to Folder:
cl...
腾讯Tencent开源框架介绍（持续更新） - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...议实现的高可用、高吞吐和高可靠的分布式队列，保证At-Least-Once Delivery。在微信内部广泛支持微信支付、公众平台等多个重要业务。
https://github.com/Tencent/phxsql PhxSQL是由微信后台团队自主研发的一款数据强一致、服务高可用的...
Add new item count to icon on button - Android
..."/>
</RelativeLayout>
Hopefully that's enough information to at least get you pointed in the right direction!
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Standard alternative to GCC's ##__VA_ARGS__ trick?
...ST_HELPER() gets two arguments, which is required because the ... needs at least one. With one argument, it expands as follows:
FIRST(firstarg)
FIRST_HELPER(firstarg, throwaway)
firstarg
With two or more, it expands as follows:
FIRST(firstarg, secondarg, thirdarg)
FIRST_HELPER(firstarg, secon...
How do I iterate over an NSArray?
... even have to care about what it's iterating. Further, an NSEnumerator (at least those provided by Apple code) retains the collection it's enumerating as long as there are more objects, so you don't have to worry about how long an autoreleased object will exist.
Perhaps the biggest thing an NSEnume...
How to embed a SWF file in an HTML page?
...se data attribute in <object> element? Quote from w3c html5 docs: At least one of either the data attribute or the type attribute must be present.
– vladkras
Nov 24 '14 at 14:08
...
How to make a Bootstrap accordion collapse when clicking the header div?
...n't see this until I implemented a similar solution. CSS changes were the least invasive change for me. I chose display: inline-block, width: 100% and since we are using Glyphicons for ours, the a:before has margin-left: -10px and margin-right: 10px.
– Kirk Liemohn
...
Create the perfect JPA entity [closed]
... or wizard screens. User-entered data is often partly or poorly-formed, at least during editing. Quite often there is even business value in being able to record an incomplete state for later completion -- think insurance application capture, customer signups etc. Keeping constraints to a minimum (e...
Why are we not to throw these exceptions?
...geException. And while List<T> might choose the latter, there are at least 41 places (courtesy of reflector) in the BCL (not including arrays) that throw bespoke IndexOutOfRangeException - none of which are "low level" enough to deserve special exemption. So yeah, I think you can justly argue ...
How to disable a particular checkstyle rule for a particular line of code?
..."nowhitespacebefore"/>
</module>
This is what worked for me, at least in the CheckStyle version 6.17.
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