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Correct use of flush() in JPA/Hibernate
...er (a.k.a CMT - using @Transactional annotation on business methods) which means that a transaction is automatically started when entering the method and commited / rolled back at the end. If you let the EntityManager handle the database synchronization, sql statements execution will be only trigger...
Can I call jquery click() to follow an link if I haven't bound an event handler to it with bind
...ags because the browser does not suport "fake clicking" with javascript. I mean, you can't "click" an element with javascript. With 'a' tags you can trigger its onClick event but the link won't change colors (to the visited link color, the default is purple in most browsers). So it wouldn't make sen...
CSS 3 slide-in from left transition
...ort: http://caniuse.com/
I made two quick examples just to show you how I mean.
CSS transition (on hover)
Demo One
Relevant Code
.wrapper:hover #slide {
transition: 1s;
left: 0;
}
In this case, Im just transitioning the position from left: -100px; to 0; with a 1s. duration. It's also...
What is a Question Mark “?” and Colon “:” Operator Used for? [duplicate]
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Do you mean "print 7" with "type 7"? Why don't you try it out? The Java jargon uses the expression method, not functions - in other contexts there is the distinction of function and procedure, dependent on the existence of a return ...
Find out if ListView is scrolled to the bottom?
Can I find out if my ListView is scrolled to the bottom? By that I mean that the last item is fully visible.
24 Answers
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Performing user authentication in Java EE / JSF using j_security_check
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@BalusC - When you say the above is the best way do you mean using j_security_check or a programmatic login?
– simgineer
Jun 18 '12 at 18:59
3
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what is the unsigned datatype?
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unsigned means unsigned int. signed means signed int. Using just unsigned is a lazy way of declaring an unsigned int in C. Yes this is ANSI.
share
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The role of #ifdef and #ifndef
... left in or removed by the pre-processor depending on the condition. ifdef means "if the following is defined" while ifndef means "if the following is not defined".
So:
#define one 0
#ifdef one
printf("one is defined ");
#endif
#ifndef one
printf("one is not defined ");
#endif
is equival...
Renew Provisioning Profile
... I don't have a renew button next to my expired profile. What does that mean? How do I renew it?
– MikeN
Mar 25 '11 at 0:27
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POSTing a @OneToMany sub-resource association in Spring Data REST
...nue must have an Address and an address MUST be associated with a Venue? I mean...to avoid creating an orphaned address which may never be assigned to anything? Maybe Im wrong, but the client app SHOULD NEVER be responsible maintaining consistency within the database. I cannot rely on client app cre...