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Confusion: @NotNull vs. @Column(nullable = false) with JPA and Hibernate
...ich ORM(s) recognize JSR 303 annotations like @NotNull, @Size, @Min, @Max, etc., and translate those into database constraints.
– Ryan Stewart
Sep 16 '11 at 3:30
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Function to convert column number to letter?
... Another reason to use this code is if you're not in VBA but in VB, .net, etc.
– Maury Markowitz
Dec 13 '17 at 16:19
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Authorize Attribute with Multiple Roles
...ttpContext.Current.User.Identity as ClaimsIdentity;
string _role = claimsIdentity.FindFirst(ClaimTypes.Role).Value;
bool isAuthorize = Roles.Any(role => role == _role);
if(!isAuthorize)
HandleUnauthorizedRequest(actionContext);
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Define: What is a HashSet?
...Set is decently faster when dealing with primary types (int, double, bool, etc.). It is a lot faster when working with class objects. So that point is that HashSet is fast.
The only catch of HashSet is that there is no access by indices. To access elements you can either use an enumerator or use th...
How do I catch a PHP fatal (`E_ERROR`) error?
...ost PHP errors, but it doesn't work for fatal ( E_ERROR ) errors, such as calling a function that doesn't exist. Is there another way to catch these errors?
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Is async HttpClient from .Net 4.5 a bad choice for intensive load applications?
... If you need to use HttpClient instance members such as headers/cookies, etc. you should not use a static HttpClient. Otherwise, your instance data (headers, cookies) would be the same for every request - certainly NOT what you want.
– Dave Black
Nov 21 '16 ...
C# : 'is' keyword and checking for Not
...umentPart child in containerPart.Children) { // omit the cast.
//...etc...
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Difference between a Seq and a List in Scala
...ns.unmodifiableList() and similarly there are other methods for Sets, Maps etc. docs.oracle.com/javase/6/docs/api/java/util/…
– jbx
Nov 14 '13 at 16:16
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Rails respond_with: how does it work?
...e. Can anyone either explain to me how it works (what options you can use, etc) or point me to the place it's actually implemented so I can peruse the code on my own?
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RegEx for matching UK Postcodes
...e is a single string before it gets anywhere near Elastic, Solr, Postgres, etc.
– John Powell
Jun 9 at 9:19
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