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Entity Framework and SQL Server View
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To force entity framework not to use a column as a primary key, use NULLIF.
An easy way to apply this is to wrap the select statement of your view in another select.
Example:
SELECT
ISNULL(MyPrimaryID,-999) MyPrimaryID,
NULLIF(AnotherProperty,'') AnotherProperty
FROM ( ... ) AS temp
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Multiple linear regression in Python
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@HuanianZhang what do you mean by confidence level? If you want the coefficient of determination, the score method will do it; sklearn.metrics has some other model evaluation criteria. If you want the stuff like in Akavall's answer, statsmodels has some more R-like diagnostics...
Visual Studio Expand/Collapse keyboard shortcuts [duplicate]
In Visual Studio, if I have a code file open, I can press CTRL + M or CTRL + M + O to collapse all code blocks, regions, namespaces, etc.
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Execute unit tests serially (rather than in parallel)
...ss is a unique test collection and tests under it will run in sequence, so if you put all of your tests in same collection then it will run sequentially.
In xUnit you can make following changes to achieve this:
Following will run in parallel:
namespace IntegrationTests
{
public class Class1
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Mockito + PowerMock LinkageError while mocking system class
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Still needed to add some more paths but you saved my life man! @PowerMockIgnore({"javax.management.*", "org.apache.http.conn.ssl.*", "com.amazonaws.*", "javax.net.ssl.*","com.sun.*"})
– Francisco López-Sancho
Aug 4 '16 at 12:29
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Difference between := and = operators in Go
What is the difference between the = and := operators, and what are the use cases for them? They both seem to be for an assignment?
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Git Checkout warning: unable to unlink files, permission denied
... with the way Git has been installed (on Windows, UAC can generate problem if msysgit is installed in C:\Program or C:\Program Files, see "msysgit - sh.exe - fork: Permission denied - Vista 64 bit" and comment 2 of issue 437)
Note: as illustrated below, a common other cause of the problem is rights...
Is it safe to use -1 to set all bits to true?
...t's all about values - not bits. The variable is initialized with a value. If in the initializer you modify the bits of the variable used for initialization, the value will be generated according to those bits. The value you need, to initialize a to the highest possible value, is -1 or UINT_MAX. The...
IntelliJ does not show 'Class' when we right click and select 'New'
...ctories must be marked as Source Root (In this case, it appears in blue).
If this is not the case, right click your root source directory -> Mark As -> Source Root.
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Is it possible to change the package name of an Android app on Google Play?
...ngs That Cannot Change:
The most obvious and visible of these is the “manifest package name,” the unique name you give to your application in its AndroidManifest.xml. The name uses a Java-language-style naming convention, with Internet domain ownership helping to avoid name collisions. For examp...