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What's the difference between session.persist() and session.save() in Hibernate?
... does not cascade to the child, i.e., only Parent is saved/inserted in the table. However, persist accomplished the task of saving both Parent and Child in one call. I am using a composite ID not a generated ID.
– arn-arn
Aug 11 '16 at 14:05
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iTerm 2: How to set keyboard shortcuts to jump to beginning/end of line?
...mment below and I'll try to add them in.
For anyone looking for the lookup table on how to convert key sequences to hex, I find this table very helpful.
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Saving grid.arrange() plot to file
...ad this misleading information; plot(g) is not the right way to display a gtable, use grid.draw(g) instead.
– baptiste
Oct 7 '15 at 20:03
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Example invalid utf8 string?
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The idea of patterns of ill-formed byte-sequences can be gotten from the table of well-formed byte sequences. See "Table 3-7. Well-Formed UTF-8 Byte Sequences" in the Unicode Standard 6.2.
Code Points First Byte Second Byte Third Byte Fourth Byte
U+0000 - U+007F 00 - 7F
U+0080 - ...
Can I inject a service into a directive in AngularJS?
... but know the service interface. For example a directive that will plug a table into an ngResource end point or a generic delete-record button which interacts with any api end point. You don't want to re-implement the table directive for every controller or data-source.
template.html
<div my-d...
Python str vs unicode types
...is 0x1F602.
You can look up the Unicode numbers of all characters in this table. In particular, you can find the first three characters above here, the arrow here, and the emoji here.
These numbers assigned to all characters by Unicode are called code points.
The purpose of all this is to provide...
When should an IllegalArgumentException be thrown?
...m and double price. The price for corresponding item is read from database table. I simply multiply the total number of item purchased with the price value and return the result. Although I am always sure at my end(Application end) that price field value in the table could never be negative .But wha...
How to create and handle composite primary key in JPA
...name = "VERSION")
private Long operatorId;
}
Entity class:
@Entity
@Table (name = "YOUR_TABLE_NAME")
public class Entry implements Serializable {
@EmbeddedId
public EntryKey getKey() {
return this.key;
}
public void setKey(EntryKey id) {
this.id = id;
}
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Unsigned keyword in C++
... standard in C++. In the current standard: 7.1.5.2 [dcl.simple.type] has a table that identifies each type declaration to the actual type used. That table has a correspondence from 'unsigned' declaration to 'unsigned int' type.
– David Rodríguez - dribeas
Jan ...
Virtual functions and performance - C++
...ual is a per-function attribute. A function only needs to be defined via vtable if it's marked as virtual or if it's overriding a base class that has it as virtual. You'll often see classes that have a group of virtual functions for public interface, and then a lot of inline accessors and so on. (...