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What is the difference between CascadeType.REMOVE and orphanRemoval in JPA?
...EMOVE, mappedBy="customer")
public List<Order> getOrders() { ... }
Now let's say you update a customer with orphanRemoval="true" it will delete all previous orders and replace them with the one provided. (PUT in terms of REST API)
@OneToMany(mappedBy="customer", orphanRemoval="true")
public...
Superiority of unnamed namespace over static?
...e, finding the definitions quicker, and to be compiled independently.
But now you face a problem: Those functions can no longer be static to the module, because static doesn't actually refer to the module, but to the source file (translation unit). You are forced to make them non-static to allow th...
Task not serializable: java.io.NotSerializableException when calling function outside closure only o
...e Serialisable interface, so this is not what's causing your task to fail. Now this doesn't mean that you can serialise an RDD with Spark and avoid NotSerializableException
Spark is a distributed computing engine and its main abstraction is a resilient distributed dataset (RDD), which can be viewed...
Using Mockito with multiple calls to the same method with the same arguments
... Thank you for the great and simple instructions. Never knew this until now. I was struggling to find how to get back two different results on two identical call. Save me tons of time.
– CharlesC
Sep 26 '19 at 14:45
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How to test an Internet connection with bash?
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Careful now!" cat /sys/class/net/wwan0/carrier does not work on ubuntu 14.04 LTS.
– dotnetCarpenter
Mar 1 '15 at 20:45
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Get current batchfile directory
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Within your .bat file:
set mypath=%cd%
You can now use the variable %mypath% to reference the file path to the .bat file. To verify the path is correct:
@echo %mypath%
For example, a file called DIR.bat with the following contents
set mypath=%cd%
@echo %mypath%
Pause
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Paste multiple times
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@Milimetric +1 didn't know you could confirm like that.
– user2065875
Aug 20 '14 at 0:05
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How can I change property names when serializing with Json.net?
I have some data in a C# DataSet object. I can serialize it right now using a Json.net converter like this
3 Answers
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Delete column from pandas DataFrame
...index/columns keywords as an alternative to specifying the axis.
So we can now just do:
df.drop(columns=['B', 'C'])
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Remove blue border from css custom-styled button in Chrome
... custom-styled <button> tags. So with CSS, I said: border: none . Now it works perfectly in safari, but in chrome, when I click one of the buttons, it puts an annoying blue border around it. I thought button:active { outline: none } or button:focus { outline:none } would work, but neith...