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What is the “N+1 selects problem” in ORM (Object-Relational Mapping)?
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To clarify on the "This is bad" - you could get all the wheels with 1 select (SELECT * from Wheel;), instead of N+1. With a large N, the pe...
How do I protect Python code? [closed]
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answered Nov 4 '08 at 12:00
Ned BatchelderNed Batchelder
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Is it possible to specify a starting number for an ordered list?
...number to be 6. I found that this was supported (now deprecated) in HTML 4.01. In this specification they say that you can specify the starting integer by using CSS. (instead of the start attribute)
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Running a command in a Grunt Task
... with grunt-exec.
– Nathan
Mar 10 '14 at 18:44
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Is there a way to use grunt-exec synchronously? ...
python max function using 'key' and lambda expression
... Applying max to a list of tuples.
>>> lis = [(1,'a'), (3,'c'), (4,'e'), (-1,'z')]
By default max will compare the items by the first index. If the first index is the same then it'll compare the second index. As in my example, all items have a unique first index, so you'd get this as the...
How to check whether a string is Base64 encoded or not
I want to decode a Base64 encoded string, then store it in my database. If the input is not Base64 encoded, I need to throw an error.
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Why is textarea filled with mysterious white spaces?
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Look closely at your code. In it, there are already three line breaks, and a ton of white space ...
Laravel requires the Mcrypt PHP extension
I am trying to use the migrate function in Laravel 4 on OSX . However, I am getting the following error:
22 Answers
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How to change the opacity (alpha, transparency) of an element in a canvas element after it has been
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Bhuwan
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answered Apr 20 '10 at 13:25
djdolberdjdolber
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How to add http:// if it doesn't exist in the URL?
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answered May 4 '10 at 0:30
Alix AxelAlix Axel
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