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Numpy how to iterate over columns of array?
Suppose I have and m x n array. I want to pass each column of this array to a function to perform some operation on the entire column. How do I iterate over the columns of the array?
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pytest: assert almost equal
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@Mr Kriss And even for dicts: assert {'a': 0.1+0.2} == pytest.approx({'a': 0.3})
– Antony Hatchkins
Apr 17 '17 at 18:56
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What's a good Java, curses-like, library for terminal applications? [closed]
...e, too bad though that it requires native libraries. I'll give this a shot and see how far I get.
– Francisco Canedo
Jan 16 '09 at 12:03
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Java array reflection: isArray vs. instanceof
...u might, for example, be implementing some sort of serialization mechanism and be able to pass each component of the array to the same serialization method, regardless of type.
There are two special cases: null references and references to primitive arrays.
A null reference will cause instanceof t...
CSS: how to add white space before element's content?
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Because I need to color the border-left and the margin-left :)
– Hugolpz
May 14 '13 at 21:10
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Best way to structure a tkinter application? [closed]
... root = tk.Tk()
MainApplication(root).pack(side="top", fill="both", expand=True)
root.mainloop()
The important things to notice are:
I don't use a wildcard import. I import the package as "tk", which requires that I prefix all commands with tk.. This prevents global namespace pollution, ...
Iteration over std::vector: unsigned vs signed index variable
... use difference_type? sizeof is defined to return size_t :) i don't understand you. if i were to subtract pointers from each other, difference_type would be the right choice.
– Johannes Schaub - litb
Jan 4 '09 at 9:38
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What is the standard Python docstring format? [closed]
...osts showed. However the default Sphinx docstring format was not mentioned and is based on reStructuredText (reST). You can get some information about the main formats in this blog post.
Note that the reST is recommended by the PEP 287
There follows the main used formats for docstrings.
- Epytext...
Where to find extensions installed folder for Google Chrome on Mac?
...t help, you can always do a custom search.
Go to chrome://extensions/, and find out the ID of an extension (32 lowercase letters) (if not done already, activate "Developer mode" first).
Open the terminal, cd to the directory which is most likely a parent of your Chrome profile (if unsure, try ...
How to delete all the rows in a table using Eloquent?
...()->delete() doesn't work is because all() actually fires off the query and returns a collection of Eloquent objects.
You can make use of the truncate method, this works for Laravel 4 and 5:
MyModel::truncate();
That drops all rows from the table without logging individual row deletions.
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