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Difference between Repository and Service Layer?
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330
Repository Layer gives you additional level of abstraction over data access. Instead of writing
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Covariance, Invariance and Contravariance explained in plain English?
...ment types?
– meriton
May 7 '13 at 20:05
1
Ah, you're right. I believed someone without checking ...
How to semantically add heading to a list
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answered Jan 20 '12 at 0:53
AlohciAlohci
66.3k1212 gold badges9999 silver badges140140 bronze badges
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How do I call one constructor from another in Java?
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3033
Yes, it is possible:
public class Foo {
private int x;
public Foo() {
this(1...
In-place type conversion of a NumPy array
..., and then copy in-place into the view:
import numpy as np
x = np.arange(10, dtype='int32')
y = x.view('float32')
y[:] = x
print(y)
yields
array([ 0., 1., 2., 3., 4., 5., 6., 7., 8., 9.], dtype=float32)
To show the conversion was in-place, note that copying from x to y altered x:
pr...
How do CDI and EJB compare? interact?
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50
CDI: it is about dependency injection. It means that you can inject interface implementation any...
Difference between modes a, a+, w, w+, and r+ in built-in open function?
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answered Sep 23 '09 at 13:33
drAlberTdrAlberT
17.4k55 gold badges2929 silver badges3636 bronze badges
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How do I simulate a hover with a touch in touch enabled browsers?
... mplungjan
118k2323 gold badges142142 silver badges201201 bronze badges
answered May 23 '10 at 9:05
Rich BradshawRich Bradshaw
65....
CSS Image size, how to fill, not stretch?
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410
If you want to use the image as a CSS background, there is an elegant solution. Simply use cover...
How to compare two floating point numbers in Bash?
...nation
Piping through the basic calculator command bc returns either 1 or 0.
The option -l is equivalent to --mathlib; it loads the standard math library.
Enclosing the whole expression between double parenthesis (( )) will translate these values to respectively true or false.
Please, ensure tha...