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Python: using a recursive algorithm as a generator
...ction to generate certain sequences with nontrivial constraints. The problem came with a natural recursive solution. Now it happens that, even for relatively small input, the sequences are several thousands, thus I would prefer to use my algorithm as a generator instead of using it to fill a list wi...
What is the C# equivalent to Java's isInstance()?
...s and as for instanceof , but what about the reflective isInstance() method?
5 Answers
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How does one use rescue in Ruby without the begin and end block
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A method "def" can serve as a "begin" statement:
def foo
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rescue
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end
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Rails: How to list database tables/objects using the Rails console?
I was wondering if you could list/examine what databases/objects are available to you in the Rails console. I know you can see them using other tools, I am just curious.
Thanks.
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How to indicate param is optional using inline JSDoc?
According to the JSDoc wiki for @param you can indicate a @param is optional using
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TypeError: sequence item 0: expected string, int found
I am attempting to insert data from a dictionary into a database. I want to iterate over the values and format them accordingly, depending on the data type. Here is a snippet of the code I am using:
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Count cells that contain any text
...lls that contain anything within a range.
Any cell that contain text, or numbers or something else should do a plus one in my result-cell.
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Python argparse ignore unrecognised arguments
Optparse, the old version just ignores all unrecognised arguments and carries on. In most situations, this isn't ideal and was changed in argparse. But there are a few situations where you want to ignore any unrecognised arguments and parse the ones you've specified.
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How to add item to the beginning of List?
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Use the Insert method:
ti.Insert(0, initialItem);
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click or change event on radio using jquery
I have some radios in my page,and I want to do something when the checked radio changes,however the code does not work in IE:
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