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PostgreSQL function for last inserted ID
...an id column created with the SERIAL pseudo-type. To avoid relying on this and to feel more clean, you can use instead pg_get_serial_sequence:
INSERT INTO persons (lastname,firstname) VALUES ('Smith', 'John');
SELECT currval(pg_get_serial_sequence('persons','id'));
Caveat: currval() only work...
Is there any way to specify a suggested filename when using data: URI?
...works on Chrome, Firefox, Edge, Opera, desktop Safari 10+, iOS Safari 13+, and not IE11.
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PostgreSQL Autoincrement
I'm switching from MySQL to PostgreSQL and was wondering how I can do autoincrement values. I saw in the PostgreSQL docs a datatype "serial", but I get syntax errors when using it (in v8.0).
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Creating a ZIP Archive in Memory Using System.IO.Compression
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It seems ZipArchive add checksum and finalize archive when it dispose and if use the stream before dispose , the archive become corrupted .
– Amir
Apr 18 '15 at 9:58
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In a bootstrap responsive page how to center a div
... </div>
</div>
It's a simple example of a horizontally and vertically div centered in all screen sizes.
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jQuery document.createElement equivalent?
I'm refactoring some old JavaScript code and there's a lot of DOM manipulation going on.
14 Answers
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How could the UNIX sort command sort a very large file?
The UNIX sort command can sort a very large file like this:
7 Answers
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Load a WPF BitmapImage from a System.Drawing.Bitmap
I have an instance of a System.Drawing.Bitmap and would like to make it available to my WPF app in the form of a System.Windows.Media.Imaging.BitmapImage .
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Android adb “Unable to open sync connection!”
I can run and debug my Android app on my phone just fine, most of the time. Then, seemingly randomly, when I try to run or debug my app from Eclipse, the Console in Eclipse says:
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CSS margin terror; Margin adds space outside parent element [duplicate]
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Add overflow:auto to your #page div.
jsFiddle example
And check out collapsing margins while you're at it.
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