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What is in your Mathematica tool bag? [closed]
...est such as an SQL query or an HTTP operation. You might try setting up a Python REPL web app (like this) and interacting with it using Import, or perhaps starting up an external Python process and communicating through its streams (e.g. using a Java ProcessBuilder). I'm sure there is a better Mat...
How to plot two columns of a pandas data frame using points?
...col_name_1'], df['col_name_2'])
plt.show() # Depending on whether you use IPython or interactive mode, etc.
and remember that you can access a NumPy array of the column's values with df.col_name_1.values for example.
I ran into trouble using this with Pandas default plotting in the case of a colu...
Plot yerr/xerr as shaded region rather than error bars
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How to use NULL or empty string in SQL
...0.
so 0 is equal to 0 then this fieldValue is a null or empty string.
in python for exemple:
def coalesce(fieldValue):
if fieldValue in (null,''):
return 0
good luck
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Asserting successive calls to a mock method
...t;> mock.assert_has_calls(calls, any_order=True)
Source: https://docs.python.org/3/library/unittest.mock.html#unittest.mock.Mock.assert_has_calls
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How do I integrate Ajax with Django applications?
... You'll also need to understand some basic JavaScript syntax (not far from python, you'll get used to it). I strongly recommend Envato's video tutorials for jQuery, they are great and will put you on the right path.
When to use JSON?. You're going to see a lot of examples where the data sent by the ...
Stack, Static, and Heap in C++
...rectly handle their dynamic memory allocations. Some other languages, like Python, would be horrible without GC, so I think it comes down to what you want out of a language. If you want dependable performance, then C++ without garbage collection is the only thing this side of Fortran that I can thin...
an htop-like tool to display disk activity in linux [closed]
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A python version of this is here, but requires root: guichaz.free.fr/iotop
– Hayden Thring
Apr 9 '16 at 23:05
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Generate MD5 hash string with T-SQL
... MD5() function of Postgresql. I was wonder why the MD5 hashs differs from Python and Postgresql. Thanks for the recipe..
– Ben
Mar 24 '18 at 13:57
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Regular expression for a hexadecimal number?
...ms in other cases, depends on the flavor you need to use (php, javascript, python , golang, etc.).
This answer was taken from:http://ult-tex.net/info/perl/
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