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Adding 'serial' to existing column in Postgres
I have a small table (~30 rows) in my Postgres 9.0 database with an integer ID field (the primary key) which currently contains unique sequential integers starting at 1, but which was not created using the 'serial' keyword.
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Hidden Features of VB.NET?
I have learned quite a bit browsing through Hidden Features
of C# and was surprised when I couldn't find something
similar for VB.NET.
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How to get the ASCII value of a character
...) would get the int value
of the char. And in case you want to
convert back after playing with the
number, function chr() does the trick.
>>> ord('a')
97
>>> chr(97)
'a'
>>> chr(ord('a') + 3)
'd'
>>>
In Python 2, there is also the unichr function, return...
Remove portion of a string after a certain character
I'm just wondering how I could remove everything after a certain substring in PHP
15 Answers
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How to convert array values to lowercase in PHP?
...p('strtolower', $yourArray);
In case you need to lowercase nested array (by Yahya Uddin):
$yourArray = array_map('nestedLowercase', $yourArray);
function nestedLowercase($value) {
if (is_array($value)) {
return array_map('nestedLowercase', $value);
}
return strtolower($value)...
What's the difference between eval, exec, and compile?
I've been looking at dynamic evaluation of Python code, and come across the eval() and compile() functions, and the exec statement.
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Intro to GPU programming [closed]
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Check out CUDA by NVidia, IMO it's the easiest platform to do GPU programming. There are tons of cool materials to read.
http://www.nvidia.com/object/cuda_home.html
Hello world would be to do any kind of calculation using GPU.
Hope that ...
How to get innerHTML of DOMNode?
...ML of a given DOMNode in the PHP DOM implementation? Can someone give reliable solution?
8 Answers
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How can I keep my fork in sync without adding a separate remote?
Let's assume there is a repository someone/foobar on GitHub, which I forked to me/foobar .
6 Answers
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All combinations of a list of lists
I'm basically looking for a python version of Combination of List<List<int>>
7 Answers
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