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How do I get an ISO 8601 date on iOS?
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iOS 10 introduces a new NSISO8601DateFormatter class to handle just this. If you're using Swift 3, your code would be something like this:
let formatter = ISO8601DateFormatter()
let date = formatter.date(from: "2016-08-26T12...
How do I combine a background-image and CSS3 gradient on the same element?
...d post on why you don't need multiple browser prefixes, see http://codepen.io/thebabydino/full/pjxVWp/
Layer Stack
It should be noted that the first defined image will be topmost in the stack. In this case, the image is on TOP of the gradient.
For more information about background layering see ht...
Difference between Repository and Service Layer?
...aseContext();
return CreateObjectQuery<Type>().Where(t => t.ID == param).First();
to get a single item from database, you use repository interface
public interface IRepository<T>
{
IQueryable<T> List();
bool Create(T item);
bool Delete(int id);
T Get(int id);
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Adding IN clause List to a JPA Query
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When using IN with a collection-valued parameter you don't need (...):
@NamedQuery(name = "EventLog.viewDatesInclude",
query = "SELECT el FROM EventLog el WHERE el.timeMark >= :dateFrom AND "
+ "el.timeMark <= :dateTo AND "
+ "el.name IN :in...
Node.js / Express.js - How does app.router work?
... middleware to process requests.
route used as middleware to validate parameters using ".param()".
app.route() used as a shortcut to the Router to define multiple requests on a route
when we are using app.route(), we are attaching our app with that router.
var express = require('exp...
How to create a new java.io.File in memory?
How can I create new File (from java.io ) in memory, not on the hard disk?
3 Answers
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Detect backspace in empty UITextField
... may work on iPhone > 3.1.3, but it's hacky and may break on future versions, etc. I think I found a cleaner, more stable solution for how to detect a delete keyboard key press on the iPhone/iOS.
– ma11hew28
Jul 9 '11 at 22:24
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force client disconnect from server with socket.io and nodejs
Is there any way to disconnect a client with SocketIO, and literally close the connection? So if someone is connected to my server, and I want to close the connection between them and my server, how would I go about doing that?
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How do you do a limit query in JPQL or HQL?
...uery = true)
List<UserMetricValue> findTopNByUserIdAndMetricId(
@Param("userId") String userId, @Param("metricId") Long metricId,
@Param("limit") int limit);
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Detect permission of camera in iOS
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Check the AVAuthorizationStatus and handle the cases properly.
NSString *mediaType = AVMediaTypeVideo;
AVAuthorizationStatus authStatus = [AVCaptureDevice authorizationStatusForMediaType:mediaType];
if(authStatus == AVAuthorizationStatusAuthorize...