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What is the meaning of the CascadeType.ALL for a @ManyToOne JPA association
...dresses {
@ManyToOne(cascade = CascadeType.REFRESH) @JoinColumn(name = "user_id")
protected User addressOwner;
}
This way you dont need to worry about using fetch in annotations. But remember when deleting the User you will also delete connected address to user object.
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How can I send an HTTP POST request to a server from Excel using VBA?
...addition to the anwser of Bill the Lizard:
Most of the backends parse the raw post data. In PHP for example, you will have an array $_POST in which individual variables within the post data will be stored. In this case you have to use an additional header "Content-type: application/x-www-form-urlen...
Show percent % instead of counts in charts of categorical variables
...(data=data.frame(xx),aes(x=xx))+
geom_bar(aes(y = (..count..)),fill="orange")
q=q+ geom_text(aes(y = (..count..),label = scales::percent((..count..)/sum(..count..))), stat="bin",colour="darkgreen")
q
}
perbar(mtcars$disp)
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Does SQLAlchemy have an equivalent of Django's get_or_create?
...s, it is automatically added to the session. E.g. create a book, which has user_id and user as corresponding relationship, then doing book.user=<user object> inside of create_method will add book to the session. This means that create_method must be inside with to benefit from an eventual roll...
Using Razor within JavaScript
...reating a helper code, one exists already. We use this all the time @Html.Raw(Json.Encode(Model))
– PJH
Jan 29 '14 at 14:47
2
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How to parse a string into a nullable int
...n still be used for non-nullable parses as well as nullable:
enum Fruit { Orange, Apple }
var res1 = Parse<Fruit>("Apple");
var res2 = Parse<Fruit?>("Banana");
var res3 = Parse<int?>("100") ?? 5; //use this for non-zero default
var res4 = Parse<Unit>("45%");
NB: There is a...
What is the difference between new/delete and malloc/free?
...object, delete call the dtor.
malloc & free just allocate and release raw memory.
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Sanitizing strings to make them URL and filename safe?
...and see if all this works. If not then I'll probably have to drop back to (raw)?urlencode() to allow UTF-8. I'll post back results here.
– Xeoncross
Apr 24 '10 at 16:27
3
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How to get key names from JSON using jq
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In combination with the above answer, you want to ask jq for raw output, so your last filter should be eg.:
cat input.json | jq -r 'keys'
From jq help:
-r output raw strings, not JSON texts;
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'POCO' definition
... And as my high school electricity teacher would say, "...and oranges taste orangey"
– Ian Boyd
Jul 2 '11 at 18:52
7
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