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Creation timestamp and last update timestamp with Hibernate and MySQL
...private Date created;
private Date updated;
@PrePersist
protected void onCreate() {
created = new Date();
}
@PreUpdate
protected void onUpdate() {
updated = new Date();
}
}
or you can use the @EntityListener annotation on the class and place the event code in an external cl...
Could not load type 'System.Runtime.CompilerServices.ExtensionAttribute' from assembly 'mscorlib
...n the target machine and the real fix, to rebuild the project from the provided source code, fixing the ILMerge command.
Do note that this failure mode isn't exclusive to ILMerge, it is just a very common case. Any other scenario where these 4.5 assemblies are used as reference assemblies in a p...
Spring mvc @PathVariable
...ch some order, you can say
www.mydomain.com/order/123
where 123 is orderId.
So now the url you will use in spring mvc controller would look like
/order/{orderId}
Now order id can be declared a path variable
@RequestMapping(value = " /order/{orderId}", method=RequestMethod.GET)
public String ...
What is the difference between a “line feed” and a “carriage return”?
If there are these two keywords then they must have their own meaning. So I want to know what makes them different and what is their code?
...
How can I discard remote changes and mark a file as “resolved”?
...
Oops, sorry. That's what I meant. Corrected it now.
– Brian Campbell
Jan 15 '10 at 19:09
1
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Create subdomains on the fly with .htaccess (PHP)
...
Well, it depends on what you mean by that. If you mean, every time someone on the internet looks up foo.somedomain.com and it isn't cached, their DNS server has to resolve it, then yes.
– chaos
Feb 25 '09 at 14:26
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Rails: fields_for with index?
... This answer should be edit and update with Ben's answer as notapatch said
– JudgeProphet
Sep 25 at 14:37
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How to add a changed file to an older (not last) commit in Git
...h is only valid when the --interactive option is used.
The ^ in OLDCOMMIT^ means it's a reference to the commit just before OLDCOMMIT.
The above steps are good for verification and/or modifying the rebase instruction sequence, but it's also possible to skip/automate the interactive rebase text edi...
When should I use a trailing slash in my URL?
...andle such stuff and - unless told differently - decides for you about the meaning of "slash or not".
Finally after receiving this response, the client loads /dvd/ and everything is fine.
Is it fine? No.
"Just fine" is not good enough for you
You have some dynamic page where everything is passed...
data.table vs dplyr: can one do something well the other can't or does poorly?
...ond case update those rows for y with its cumulative sum.
This is what we mean when we say the DT[i, j, by] form is consistent.
Similarly in case (c), when we have if-else condition, we are able to express the logic "as-is" in both data.table and dplyr. However, if we would like to return just thos...