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PostgreSQL function for last inserted ID
...ue. The problem can even happen with CURRVAL, if the extra insertions are done intto the same persons table (this is much less usual, but the risk still exists).
Option 3: INSERT with RETURNING
INSERT INTO persons (lastname,firstname) VALUES ('Smith', 'John') RETURNING id;
This is the most c...
2D cross-platform game engine for Android and iOS? [closed]
...D part with OnGUI() or GUITextures too clumsy. Also, even a smallest game done on Unity3d is at least 10MB download which is just too much for a 2D game.
...
What is LDAP used for?
... is LDAP.
The use model is similar like how people use library cards or phonebooks. When you have a task that requires “write/update once, read/query many times”, you might consider using LDAP. LDAP is designed to provide extremely fast read/query performance for a large scale of dataset. Typic...
How can I close a buffer without closing the window?
...n select a different buffer to display in each window. Now I want to close one of the buffers, yet I don't want the window to close (After the closing it can display the next buffer on the list or an empty buffer, it doesn't matter). How can I do this?
...
How to avoid type safety warnings with Hibernate HQL results?
...est:
Write a cast-helper
Simply refactor all your @SuppressWarnings into one place:
List<Cat> cats = MyHibernateUtils.listAndCast(q);
...
public static <T> List<T> listAndCast(Query q) {
@SuppressWarnings("unchecked")
List list = q.list();
return list;
}
Prevent ...
Using an SSH keyfile with Fabric
...
I was setting the key programmatically in one of my tasks using the settings context manager and couldn't get it to recognize the key_filename until I changed key_filename='/path/to/key' to key_filename=['/path/to/key'] so if anyone else is having trouble, making key...
How to check if a number is a power of 2
...is all plays out:
The function returns boolean (true / false) and accepts one incoming parameter of type unsigned long (x, in this case). Let us for the sake of simplicity assume that someone has passed the value 4 and called the function like so:
bool b = IsPowerOfTwo(4)
Now we replace each oc...
WebKit issues with event.layerX and event.layerY
...r than to log a deprecation warning on an event (at least in my opinion). One mousemove handler and your console explodes. :)
Here's a recent jQuery ticket: http://bugs.jquery.com/ticket/10531
UPDATE: This is fixed now if you upgrade to jQuery 1.7.
Please note that if upgrading jQuery doesn't fi...
CSS Background Opacity [duplicate]
...before to have a semi-transparent background and you can do this with just one container. Use something like this
<article>
Text.
</article>
Then apply some CSS
article {
position: relative;
z-index: 1;
}
article::before {
content: "";
position: absolute;
top: 0;
left...
Checking if an Android application is running in the background
By background, I mean none of the application's activities are currently visible to the user?
30 Answers
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