大约有 44,000 项符合查询结果（耗时：0.0537秒） [XML]
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...
Converting a Java Keystore into PEM Format
... I think it's from JDK 6 onward. But yes, a PKCS #12 import is now supported.
– erickson
Oct 4 '10 at 6:11
add a comment
|
...
How do you reverse a string in place in JavaScript?
...na
naiveReverse('mañana mañana');
// → 'anãnam anañam'
// Wait, so now the tilde is applied to the `a` instead of the `n`? WAT.
A good string to test string reverse implementations is the following:
'foo ???? bar mañana mañana'
Why? Because it contains an astral symbol (????) (which ...
Difference between std::result_of and decltype
...f a deduction failure. That has been corrected in C++14: std::result_of is now required to be SFINAE-friendly (thanks to this paper).
So on a conforming C++14 compiler, std::result_of_t<F(Args...)> is strictly superior. It's clearer, shorter, and correctly† supports more Fs‡ .
†Unless...
Disable hover effects on mobile browsers
...mething harmless like displaying a label, not something the user needs to know happened)
– user56reinstatemonica8
Sep 13 '16 at 17:38
...
What is the difference between a schema and a table and a database?
...grant rights on the schema.
In 2000 a schema was equivalent to a user. Now it has broken free and is quite useful. You could throw all your user procs in a certain schema and your admin procs in another. Grant EXECUTE to the appropriate user/role and you're through with granting EXECUTE on spec...
Change MySQL default character set to UTF-8 in my.cnf?
...utf8
If you want to change the character set for an existing DB, let me know... your question didn't specify it directly so I am not sure if that's what you want to do.
share
|
improve this answer...
java SSL and cert keystore
How does my java program know where my keystore containing the certificate is? Or alternatively how do I tell my java program where to look for the keystore?
...
How to get error information when HttpWebRequest.GetResponse() fails
...exception text into the body of the response, then set status code to 500. Now the client would throw an exception when it encounters a 500 error but you could read the response stream and fetch the message of the exception.
So you could catch a WebException which is what will be thrown if a non 20...
Specifying Maven's local repository location as a CLI parameter
... executed. This will make your default local repo stay where it should be.
Now you can use mvn -Dm2.localRepository=... <phases/goals>. Because your command line system property gets added to the command line after the one in the mvn script, it will take precedence. (At least I'm pretty sure i...