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Open an IO stream from a local file or url
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Is there a way to return a file object like you did here from an ActionMailer attachment?
– AnApprentice
Dec 6 '10 at 0:03
9
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How to modify a global variable within a function in bash?
...(...) construct), you are creating a subshell. Subshells inherit variables from their parent shells, but this only works one way - a subshell cannot modify the environment of its parent shell. Your variable e is set within a subshell, but not the parent shell. There are two ways to pass values from ...
startsWith() and endsWith() functions in PHP
...function.strrpos.php: "If the value is negative, search will instead start from that many characters from the end of the string, searching backwards." This seems to indicate that we're starting at character 0 (due to -strlength($haystack)) and searching backward from there? Doesn't that mean you're ...
Merge changes from remote github repository to your local repository
...e original repository has changed since. I would like to merge the changes from the original repository to my fork.
4 Answe...
How to run Ruby code from terminal?
I need to run a few lines of Ruby code from terminal, but I can't find the needed parameter for it.
2 Answers
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How do I build a numpy array from a generator?
...One google behind this stackoverflow result, I found that there is a numpy.fromiter(data, dtype, count). The default count=-1 takes all elements from the iterable. It requires a dtype to be set explicitly. In my case, this worked:
numpy.fromiter(something.generate(from_this_input), float)
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What is the reason for having '//' in Python? [duplicate]
...on 2.X:
>>> 10/3
3
>>> # to get a floating point number from integer division:
>>> 10.0/3
3.3333333333333335
>>> float(10)/3
3.3333333333333335
In Python 3:
>>> 10/3
3.3333333333333335
>>> 10//3
3
For further reference, see PEP238.
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How can I find script's directory with Python? [duplicate]
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This won't work if you're running from inside an interpreter, since you'll get NameError: name '__file__' is not defined
– Ehtesh Choudhury
Feb 26 '14 at 21:01
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Why am I getting a “401 Unauthorized” error in Maven?
...on already exists in the repository. So you might find that by publishing from the command line it works, but then when you do it from a script it fails (because it didn't exist in the repository the first time around). Either publish using a different version number, or delete the old artefact on...
Creating an empty Pandas DataFrame, then filling it?
I'm starting from the pandas DataFrame docs here: http://pandas.pydata.org/pandas-docs/stable/dsintro.html
5 Answers
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