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Validation failed for one or more entities. See 'EntityValidationErrors' property for more details [

... To be honest I don't know how to check the content of the validation errors. Visual Studio shows me that it's an array with 8 objects, so 8 validation errors. Actually you should see the errors if you drill into that array in Visu...
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What do “branch”, “tag” and “trunk” mean in Subversion repositories?

...tags, once created, are immutable (at least to "ordinary" users). This is done via the hook scripts, which enforce the immutability by preventing further changes if tag is a parent node of the changed object. Subversion also has added features, since version 1.5, relating to "branch merge tracking"...
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How to use null in switch

... cleaner way than using one extra if else – Vivek Agrawal Nov 15 '19 at 10:28 add a comment  |  ...
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Inheriting constructors

...tors, if you write this, you inherit all of them. To inherit only selected ones you need to write the individual constructors manually and call the base constructor as needed from them. Historically constructors could not be inherited in the C++03 standard. You needed to inherit them manually one b...
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How can I get selector from jQuery object

...on">Button test</button> </div> <ul> <li>Item one <ul> <li id="sub2" >Sub one</li> <li id="sub2" class="subitem otherclass">Sub two</li> </ul> </li> </ul> </body> </html> For example, if ...
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Can I run multiple versions of Google Chrome on the same machine? (Mac or Windows)

...er suggests there’s no way to run multiple versions of Google Chrome on one machine. 11 Answers ...
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How to “properly” print a list?

...element of mylist, creating a new list of strings that is then joined into one string with str.join(). Then, the % string formatting operator substitutes the string in instead of %s in "[%s]". share | ...
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What are the differences between the different saving methods in Hibernate?

Hibernate has a handful of methods that, one way or another, takes your object and puts it into the database. What are the differences between them, when to use which, and why isn't there just one intelligent method that knows when to use what? ...
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What is the correct syntax for 'else if'?

...hon programmer who is making the leap from 2.6.4 to 3.1.1. Everything has gone fine until I tried to use the 'else if' statement. The interpreter gives me a syntax error after the 'if' in 'else if' for a reason I can't seem to figure out. ...
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How to select rows with one or more nulls from a pandas DataFrame without listing columns explicitly

...: Boolean Series key will be reindexed to match DataFrame index.. How does one rewrite this more explicitly and in a way that doesn't trigger that warning message? – Vishal Jul 1 '18 at 4:05 ...