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What to return if Spring MVC controller method doesn't return value?
I am using jQuery's $.getJSON() to make asynchronous calls to my simple Spring MVC backend. Most of the Spring controller methods look like this:
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How do you specify the date format used when JAXB marshals xsd:dateTime?
... there is not any problem. There will be (performance) problem if multiple calls are made.
– Mike Argyriou
Aug 14 '17 at 13:29
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How can I reset a react component including all transitively reachable state?
...wn state initializer function getInitialState() - react throws a warning - call it anything else and explicitly do state = this._getInitialState() in the top level of the class.
– thom_nic
Jan 12 '16 at 21:34
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Union Vs Concat in Linq
...nces of items. Your items have different references, thus they all are considered different. When you cast to base type X, reference is not changed.
If you will override Equals and GetHashCode (used to select distinct items), then items will not be compared by reference:
class X
{
public int I...
How Python web frameworks, WSGI and CGI fit together
...a web framework (say web.py or cherrypy) on my basic CGI configuration?
Recall that forking a subprocess is expensive. There are two ways to work around this.
Embedded mod_wsgi or mod_python embeds Python inside Apache; no process is forked. Apache runs the Django application directly.
Daemon m...
How do I map lists of nested objects with Dapper
...Query<CourseLocation>(
"select * from CourseLocations where CourseId in @Ids",
new {Ids = courses.Select(c => c.Id).Distinct()});
Grab the relevant locations
var locations = cnn.Query<Location>(
"select * from Locations where Id in @Ids",
new {Ids = mappings.Select(m ...
UIRefreshControl - beginRefreshing not working when UITableViewController is inside UINavigationCont
...xpected (i.e. pull down fires the correct event). However, if I programmatically invoke the beginRefreshing instance method on the refresh control like:
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Convert Base64 string to an image file? [duplicate]
...mes after that.
Just strip everything up to and including base64, (before calling base64_decode() on the data) and you'll be fine.
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What is “the inverse side of the association” in a bidirectional JPA OneToMany/ManyToOne association
...a foreign key to customer
private Customer customer;
}
The inverse side is the OO "owner" of the object, in this case the customer. The customer has no columns in the table to store the orders, so you must tell it where in the order table it can save this data (which happens via mappedBy).
A...
SQL Server: Get table primary key using sql query [duplicate]
..._NAME
FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE
WHERE OBJECTPROPERTY(OBJECT_ID(CONSTRAINT_SCHEMA + '.' + QUOTENAME(CONSTRAINT_NAME)), 'IsPrimaryKey') = 1
AND TABLE_NAME = 'TableName' AND TABLE_SCHEMA = 'Schema'
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