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Getting exact error type in from DbValidationException

... string errorMessages = string.Join("; ", ex.EntityValidationErrors.SelectMany(x => x.ValidationErrors).Select(x => x.PropertyName + ": " + x.ErrorMessage)); throw new DbEntityValidationException(errorMessages); } } This will overwrite your context's SaveChanges() method a...
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How to Use slideDown (or show) function on a table row?

...uld try wrapping the contents of the row in a <span> and having your selector be $('#detailed_edit_row span'); - a bit hackish, but I just tested it and it works. I also tried the table-row suggestion above and it didn't seem to work. update: I've been playing around with this problem, and fr...
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When should you use 'friend' in C++?

...te, the C++ FAQ mentions that friend enhances encapsulation. friend grants selective access to members, just like protected does. Any fine-grained control is better than granting public access. Other languages define selective access mechanisms too, consider C#'s internal. Most negative criticism ar...
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How to get Latitude and Longitude of the mobile device in android?

...add the ACCESS_COARSE_LOCATION permission for when GPS isn't available and select your location provider with the getBestProvider() method. share | improve this answer | foll...
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Getting and removing the first character of a string

...cters: x <- 'hello stackoverflow' substring(x, 2, nchar(x)) Idea is select all characters starting from 2 to number of characters in x. This is important when you have unequal number of characters in word or phrase. Selecting the first letter is trivial as previous answers: substring(x,1,1...
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How to display unique records from a has_many through relationship?

...r the SQL DISTINCT stmt (e.g. has_many :products, :through => :orders, :select => "DISTINCT products.*). In the first case, ALL records are fetched and rails removes the duplicates for you. In the later case, only non-duplicate records are fetched from the db so it might offer better performan...
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TFS Get Specific Version into separate folder

...orer Drill down to desired file File > Source Control > View History Select desired version (Changeset) Toolbar/Context Menu > Compare Click in left pane, Select All, Copy, paste into Your Favorite Editor and save ...
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Why is it a bad practice to return generated HTML instead of JSON? Or is it?

...l the response data at once. For example, I have a series of three chained selects, where the selected value of one determines which values are going to be used for populating the second, and so on. share | ...
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What is the IntelliJ shortcut key to create a javadoc comment?

... Do I have to select something? Even if I select the whole file content or select nothing, nothing happens if I run this action. May I am missing something – Honsa Stunna Jun 18 '19 at 11:46 ...
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Is there any JSON Web Token (JWT) example in C#?

...gnedTokens = true, IssuerSigningKeys = certificates.Values.Select(x => new X509SecurityKey(x)), IssuerSigningKeyResolver = (token, securityToken, kid, validationParameters) => { return certificates .Where(x...