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sqlalchemy: how to join several tables by one query?
...rmissions.document,
).filter(
User.email == 'someemail',
).all()
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Hibernate Criteria returns children multiple times with FetchType.EAGER
...
This is actually the expected behaviour if I understood your configuration correctly.
You get the same Order instance in any of the results, but since now you are doing a join with the OrderTransaction, it has to return the same amount ...
In a Git repository, how to properly rename a directory?
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Does it save all the log and statistics?
– orezvani
May 26 '14 at 2:13
24
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Using Gradle to build a jar with dependencies
...ration instead of the now deprecated compile. The above code builds me a small jar without the dependencies. When I change it ( from { configurations.implementation.collect {...} }), an error occurs saying that resolving configuration 'implementation' directly is not allowed
– ...
Copying a HashMap in Java
...ew HashMap<Integer,myObject>(myobjectListA);
This will create a (shallow) copy of the map.
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Interface vs Base class
... and let's illustrate using C#:
Both a dog and a cat are animals, specifically, quadruped mammals (animals are waaay too general). Let us assume that you have an abstract class Mammal, for both of them:
public abstract class Mammal
This base class will probably have default methods such as:
Fe...
In practice, what are the main uses for the new “yield from” syntax in Python 3.3?
...or v in g: yield v does not even begin to do justice to what yield from is all about. Because, let's face it, if all yield from does is expand the for loop, then it does not warrant adding yield from to the language and preclude a whole bunch of new features from being implemented in Python 2.x.
Wh...
Things possible in IntelliJ that aren't possible in Eclipse?
...ion has language injection, so you can declare that you custom JSTL tag usually contains JavaScript and it will highlight JavaScript inside it.
<ui:obfuscateJavaScript>function something(){...}</ui:obfuscateJavaScript>
Indexed search across all project.
You can use Find Usages of any...
How to remove convexity defects in a Sudoku square?
...surements[
ColorNegate@Binarize[srcAdjusted], {"ConvexArea", "Mask"}][[All,
2]];
largestComponent = Image[SortBy[components, First][[-1, 2]]]
By filling this image, I get a mask for the sudoku grid:
mask = FillingTransform[largestComponent]
Now, I can use a 2nd order derivative fil...
Remove property for all objects in array
...the performances of your applications. You can't avoid it if you want to really remove a property but you often can either set the property to undefined or just build new objects without the property.
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