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Convert string to Python class object?
... there's a class with that name in the currently defined namespace. Essentially, I want the implementation for a function which will produce this kind of result:
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Check if a folder exist in a directory and create them using C#
...er named MP_Upload , and if it does not exist, create the folder automatically?
7 Answers
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Open link in new tab or window [duplicate]
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It shouldn't be your call to decide whether the link should open in a new tab or a new window, since ultimately this choice should be done by the settings of the user's browser. Some people like tabs; some like new windows.
Using _blank will tell...
How to join (merge) data frames (inner, outer, left, right)
...nner join: merge(df1, df2) will work for these examples because R automatically joins the frames by common variable names, but you would most likely want to specify merge(df1, df2, by = "CustomerId") to make sure that you were matching on only the fields you desired. You can also use the by.x and b...
Makefile, header dependencies
...vided by the gnu preprocessor are a bit confusing. However, the removal of all directories from the build target with -MM is documented and not a bug [gpp]:
By default CPP takes the name of the main input file, deletes any
directory components and any file suffix such as ‘.c’, and appends ...
What is the 'pythonic' equivalent to the 'fold' function from functional programming?
...(xs):
return reduce(operator.mul, xs, 1)
Be aware that reduce is actually a foldl, in Haskell terms. There is no special syntax to perform folds, there's no builtin foldr, and actually using reduce with non-associative operators is considered bad style.
Using higher-order functions is quite p...
jQuery deferreds and promises - .then() vs .done()
...n't see the difference between using .then() & .done() for successful callbacks. I know Eric Hynds mentions that .done() and .success() map to the same functionality but I'm guessing so does .then() as all the callbacks are all invoked on a completion of a successful operation.
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What is the difference between C# and .NET?
.... The C# specification says only a very little about the environment (basically, that it should contain some types such as int, but that's more or less all).
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Perform commands over ssh with Python
...to automate some command line commands in Python. At the moment I'm doing calls thus:
13 Answers
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How to get all Errors from ASP.Net MVC modelState?
I want to get all the error messages out of the modelState without knowing the key values. Looping through to grab all the error messages that the ModelState contains.
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