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What is the difference between JVM, JDK, JRE & OpenJDK?
What is the difference between JVM , JDK , JRE & OpenJDK ?
19 Answers
19
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How to get the error message from the error code returned by GetLastError()?
...errorMessageID == 0)
return std::string(); //No error message has been recorded
LPSTR messageBuffer = nullptr;
size_t size = FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, errorMessag...
What are the differences between Chosen and Select2?
...dd results on the fly" feature for Chosen: github.com/shezarkhani/chosen/tree/create_new_options I am using some kind of adaptation of it in the ExpressionEngine add-on MX Select Plus (it is how I got here as there is now a competing add-on using Select2).
– notacouch
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How was the first compiler written?
...ford a compiler so he compiled to binary by hand on paper. If you want to see something even more wild, read about the conditions under which Bill Gates and Paul Allen wrote the BASIC for the Altair 8800.
Regarding "writing a computer in binary" -- take a step back from being a programmer and think...
How to convert a Title to a URL slug in jQuery?
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don't forget to add "/" aswell if you need multi directories seperated
– Val
Jan 21 '11 at 13:35
7
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What is AssemblyInfo.cs used for?
...o information,
i.e., in the Details tab of the file properties you will see no name,
no description, version 0.0.0.0, etc.
The value associated with assembly:Guid is the ID that will identify
the assembly if it will be exposed as a COM object. So, if your
assembly isn't COM-exposed, you...
What is the difference between Hibernate and Spring Data JPA
What are the main differences between Hibernate and Spring Data JPA? When should we not use Hibernate or Spring Data JPA? Also, when may Spring JDBC template perform better than Hibernate / Spring Data JPA?
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Please explain about insertable=false and updatable=false in reference to the JPA @Column annotation
...son it will disable updating of Person.name when updating address (I disagree as this is the purpose of cascade). Also u are saying that @Column definition does something different when its foreign key (Person) and when it is not foreign key (as there is no referenced entity to disable updating). By...
Programmatically Determine a Duration of a Locked Workstation?
...u can hookup a SessionSwitchEventHandler. Obviously your application will need to be running, but so long as it is:
Microsoft.Win32.SystemEvents.SessionSwitch += new Microsoft.Win32.SessionSwitchEventHandler(SystemEvents_SessionSwitch);
void SystemEvents_SessionSwitch(object sender, Microsoft.Win3...
How to create and handle composite primary key in JPA
...n have a reference to that class as EmbeddedId in your Entity.
You would need the @EmbeddedId and @Embeddable annotations.
@Entity
public class YourEntity {
@EmbeddedId
private MyKey myKey;
@Column(name = "ColumnA")
private String columnA;
/** Your getters and setters **/
}
...