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How do I compute derivative using Numpy?
...rivative of y wrt x. In 8 we apply this derivative function to a vector of all ones and get the vector of all twos. This is because, as stated in line 6, yprime = 2*x.
– MRocklin
Apr 14 '12 at 13:45
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Convert file path to a file URI?
...rect. For example new Uri(@"C:\%51.txt").AbsoluteUri gives you "file:///C:/Q.txt" instead of "file:///C:/%2551.txt"
– poizan42
Mar 1 '16 at 20:57
3
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JavaScript object: access variable property by name as string [duplicate]
... simply use the bracket notation:
var side = columns['right'];
This is equal to dot notation, var side = columns.right;, except the fact that right could also come from a variable, function return value, etc., when using bracket notation.
If you NEED a function for it, here it is:
function read...
SVN repository backup strategies
...aremon: I suggest you read the replies to the posts you linked to, specifically the one that mentions svnadmin dump doesn't include the repo's control files.
– Powerlord
Oct 20 '09 at 15:00
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Python argparse mutual exclusive group
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add_mutually_exclusive_group doesn't make an entire group mutually exclusive. It makes options within the group mutually exclusive.
What you're looking for is subcommands. Instead of prog [ -a xxxx | [-b yyy -c zzz]], you'd have:
p...
What is a method that can be used to increment letters?
...ded to expand it a bit beyond the scope of the original question to potentially help people who are stumbling on this from Google.
I find that what I often want is something that will generate sequential, unique strings in a certain character set (such as only using letters), so I've updated this a...
How to read from standard input in the console?
...th the program exiting before I'm prompted for input. I'm looking for the equivalent of Console.ReadLine() in C#.
11 Ans...
PHP cURL custom headers
I'm wondering if/how you can add custom headers to a cURL HTTP request in PHP. I'm trying to emulate how iTunes grabs artwork and it uses these non-standard headers:
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How can I get a count of the total number of digits in a number?
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@Puterdo Borato: my performance test actually showed that your method is faster when the number of digits are < 5. Pass that, Steve's Math.floor is faster.
– stack247
Apr 7 '15 at 22:56
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How do you do a limit query in JPQL or HQL?
...QL Parser, and it's a lot less forgiving.
I think Query.setMaxResults() really is your only option.
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