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How does one make an optional closure in swift?
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answered Jun 24 '14 at 20:46
CezarCezar
49.8k1616 gold badges8383 silver badges8686 bronze badges
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JPA: How to have one-to-many relation of the same Entity type
... the relationship is the same. The general case is detailed in Section 2.10.2 of the JPA 2.0 spec.
Here's a worked example. First, the entity class A:
@Entity
public class A implements Serializable {
@Id
@GeneratedValue(strategy=GenerationType.AUTO)
private Long id;
@ManyToOne
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How to use Greek symbols in ggplot2?
... the tick marks can be achieved as follows
require(ggplot2);
data(tips);
p0 = qplot(sex, data = tips, geom = 'bar');
p1 = p0 + scale_x_discrete(labels = c('Female' = expression(alpha),
'Male' = expression(beta)));
print(p1);
For complete documentation on th...
What are “decorators” and how are they used?
...m
– Arthur Kovacs
Jan 29 '14 at 14:30
5
Do decorators actually ducktype all instances of a servic...
Difference between knockout View Models declared as object literals vs functions
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+50
There are a couple of advantages to using a function to define your view model.
The main advantage is that you have immediate access ...
Why is debugging better in an IDE? [closed]
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108
Some examples of some abilities that an IDE debugger will give you over trace messages in code:...
Get file size, image width and height before upload
... sources will be a URL representing the Blob object
<img src="blob:null/026cceb9-edr4-4281-babb-b56cbf759a3d">
const EL_browse = document.getElementById('browse');
const EL_preview = document.getElementById('preview');
const readImage = file => {
if ( !(/^image\/(png|jpe?g|gif...
SSL handshake alert: unrecognized_name error since upgrade to Java 1.7.0
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306
Java 7 introduced SNI support which is enabled by default. I have found out that certain miscon...
When to use a “has_many :through” relation in Rails?
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edited Dec 1 '15 at 10:07
Arslan Ali
15.7k77 gold badges4545 silver badges6363 bronze badges
answer...
Can anybody find the TFS “Unshelve” option in Visual Studio 2012?
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answered Apr 20 '12 at 12:43
NockNock
6,45311 gold badge2424 silver badges2727 bronze badges
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