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Dynamically generating a QR code with PHP [closed]
...update.
To use this , basically:
https://chart.googleapis.com/chart?chs=300x300&cht=qr&chl=http%3A%2F%2Fwww.google.com%2F&choe=UTF-8
300x300 is the size of the QR image you want to generate,
the chl is the url-encoded string you want to change into a QR code, and
the choe is the (op...
Foreign key constraints: When to use ON UPDATE and ON DELETE
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490
Do not hesitate to put constraints on the database. You'll be sure to have a consistent database...
C# binary literals
...here a way to write binary literals in C#, like prefixing hexadecimal with 0x? 0b doesn't work.
12 Answers
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Using margin:auto to vertically-align a div
So I know we can center a div horizontally if we use margin:0 auto; . Should margin:auto auto; work how I think it should work? Centering it vertically as well?
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How can I consume a WSDL (SOAP) web service in Python?
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10 Answers
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Batch file to delete files older than N days
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1085
Enjoy:
forfiles -p "C:\what\ever" -s -m *.* -d <number of days> -c "cmd /c del @path"
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How do I get a consistent byte representation of strings in C# without manually specifying an encodi
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40 Answers
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PostgreSQL Autoincrement
...SQL docs a datatype "serial", but I get syntax errors when using it (in v8.0).
11 Answers
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How to set a selected option of a dropdown list control using angular JS
... in the control, updates the other. If item.selectedVariant has a value of 0, that item should get selected.
If variants is an array of objects, item.selectedVariant must be set to one of those objects. I do not know which information you have in your scope, but here's an example:
JS:
$scope.opti...
Delete files older than 3 months old in a directory using .NET
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answered Feb 8 '10 at 14:57
Steve DannerSteve Danner
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