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How to sort a dataFrame in python pandas by two or more columns?
...ign result of the sort method to a variable or add inplace=True to method call.
that is, if you want to reuse df1 as a sorted DataFrame:
df1 = df1.sort(['a', 'b'], ascending=[True, False])
or
df1.sort(['a', 'b'], ascending=[True, False], inplace=True)
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What is the difference between a dialog being dismissed or canceled in Android?
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Typically, a dialog is dismissed when its job is finished and it is being removed from the screen. A dialog is canceled when the user wants to escape the dialog and presses the Back button.
For example, you have a standard Yes...
Will using goto leak variables?
Is it true that goto jumps across bits of code without calling destructors and things?
1 Answer
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What is so special about Generic.xaml?
...rrent Windows theme e.g. on Vista using the Aero theme, the dictionary is called Aero.NormalColor.xaml, on XP using the default theme it is Luna.NormalColor.xaml. If the style is not found in the theme dictionary, it looks in Generic.xaml i.e for controls whose look doesn't depend on the theme.
Thi...
How to immediately see compile errors in project tree of IntelliJ Idea?
...ile errors on the class files in the project tree. Currently I need to manually trigger the recompilation to see error marks on my classes if the class cannot be compiled.
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Is type=“text/css” necessary in a tag?
... marks the information that it is a stylesheet - so text/css doesn't actually add anything as far as I'm concerned.
6 Ans...
Deploying just HTML, CSS webpage to Tomcat
I am just getting started on developing a website . All I have at the moment is a HTML page supported by a couple of CSS stylesheets .
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How to get the index of a maximum element in a numpy array along one axis
...eading. It calculates the index of the maximum element of the array across all axis, not along a given axis as the OP asks: it is wrong. Moreover, if there is more than one maximum, it retrieves the indices of only the first maximum: this should be pointed out. Try with a = np.array([[1,4,3],[4,3,1]...
Get a filtered list of files in a directory
...t a list of files in a directory using Python, but I do not want a list of ALL the files.
14 Answers
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How do I execute a string containing Python code in Python?
...;>> x
4
However, the first step should be to ask yourself if you really need to. Executing code should generally be the position of last resort: It's slow, ugly and dangerous if it can contain user-entered code. You should always look at alternatives first, such as higher order functions, ...