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What is the difference between JOIN and UNION?
What is the difference between JOIN and UNION ? Can I have an example?
15 Answers
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Is there an auto increment in sqlite?
I am trying to create a table with an auto-incrementing primary key in Sqlite3 . I am not sure if this is really possible, but I am hoping to only have to designate the other fields.
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SQL WHERE condition is not equal to?
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You can do like this
DELETE FROM table WHERE id NOT IN ( 2 )
OR
DELETE FROM table WHERE id <> 2
As @Frank Schmitt noted, you might want to be careful about the NULL values too. If you want to delete everything which is not 2(including the NULLs) then add OR id IS...
Confirm deletion in modal / dialog using Twitter Bootstrap?
...HTML table of rows tied to database rows. I'd like to have a "delete row" link for each row, but I would like to confirm with the user beforehand.
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Compare JavaScript Array of Objects to Get Min / Max
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The fastest way, in this case, is looping through all elements, and compare it to the highest/lowest value, so far.
(Creating an array, invoking array methods is overkill for this simple operation).
// There's no real number bigger than pl...
How to bring view in front of everything?
...m have animations and because of the animations some of the widgets are moving (translating) one over another. For example the text view is moving over some buttons . . .
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How to customize a Spinner in Android
I want to add a custom height to the dropdown of a Spinner , say 30dp, and I want to hide the dividers of the dropdown list of Spinner .
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Can I use view pager with views (not with fragments)
I am using ViewPager for swiping between Fragments , but can I use ViewPager to swipe between Views simple XML layout?
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Socket.IO - how do I get a list of connected sockets/clients?
I'm trying to get a list of all the sockets/clients that are currently connected.
26 Answers
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PHP Session Fixation / Hijacking
I'm trying to understand more about PHP Session Fixation and hijacking and how to prevent these problems. I've been reading the following two articles on Chris Shiflett's website:
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