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Mapping enum to string in hibernate
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You can even go further and, now as JPA 2.1 is released, use @Converter(autoApply = true) public class CategoryTypeConverter implements javax.persistence.AttributeConverter <CategoryType, String>
– membersound
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Increment a database field by 1
...say logins, how would I go about updating that field by 1 within a sql command?
5 Answers
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How do I redirect to the previous action in ASP.NET MVC?
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UrlReferrer is NULL when I was in the some page and want to get to view I know got error just by entering URL in address bar. Why when I enter URL in Address Bar it can't determine UrlReferrer?
– QMaster
Jan 7 '15 at 12:27
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In Java 8 how do I transform a Map to another Map using a lambda?
I've just started looking at Java 8 and to try out lambdas I thought I'd try to rewrite a very simple thing I wrote recently. I need to turn a Map of String to Column into another Map of String to Column where the Column in the new Map is a defensive copy of the Column in the first Map. Column has...
Bootstrap 3 - Why is row class is wider than its container?
I just started using Bootstrap 3. I am having a difficult time
understanding how the row class works.
Is there a way to avoid the padding-left and padding-right ?
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How do I create an immutable Class?
...rayList.ReadOnly or similar - you can combine this with the previous point and store a read-only copy to be returned when callers access it), return an enumerator, or use some other method/property that allows read-only access into the collection
keep in mind that you still may have the appearance o...
'IF' in 'SELECT' statement - choose output value based on column values
I need amount to be amount if report.type='P' and -amount if report.type='N' . How do I add this to the above query?
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error: ‘NULL’ was not declared in this scope
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NULL is not a keyword. It's an identifier defined in some standard headers. You can include
#include <cstddef>
To have it in scope, including some other basics, like std::size_t.
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Flask-SQLAlchemy import/context issue
...y
db = SQLAlchemy()
class Member(db.Model):
# fields here
pass
And then in your application setup you can call init_app:
# apps.application.py
from flask import Flask
from apps.members.models import db
app = Flask(__name__)
# later on
db.init_app(app)
This way you can avoid cyclical ...
Is there any way to check if iOS app is in background?
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Thank you — and for additional clarity it's [[UIApplication sharedApplication] applicationState] == UIApplicationStateBackground.
– podperson
Jun 5 '12 at 16:01
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