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How to write a multidimensional array to a text file?
...ull conclusion:
I just realized that numpy.savetxt chokes on ndarrays with more than 2 dimensions... This is probably by design, as there's no inherently defined way to indicate additional dimensions in a text file.
E.g. This (a 2D array) works fine
import numpy as np
x = np.arange(20).reshape((4,5)...
The model backing the context has changed since the database was created
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Make copy of an array
...ut micro-performance issues, which 99.999% of the time, don't matter. The more important point is that src.clone() is more readable and has far less opportunity for error than allocating a new array and doing arraycopy. (And also happens to be fast.)
– Brian Goetz
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View the change history of a file using Git versioning
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2310
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How to make an image center (vertically & horizontally) inside a bigger div [duplicate]
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423
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PHP cURL vs file_get_contents
...sible to send POST, PUT, authentication, headers, content, proxy, and much more with one file_get_contents request
– Markus Köhler
Jul 29 '15 at 14:53
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Using Java to find substring of a bigger string using Regular Expression
...kets in the first group. Have a look at the Pattern API Documentation for more information.
To extract the string, you could use something like the following:
Matcher m = MY_PATTERN.matcher("FOO[BAR]");
while (m.find()) {
String s = m.group(1);
// s now contains "BAR"
}
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git: Your branch is ahead by X commits
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Becoming better at Vim [closed]
...ert mode. This forces you to use ESC to get somewhere, and makes you think more Vim-like. Ultimately, I enabled arrow keys again in insert mode, but I hardly ever use them. There is, most often, better ways to get around.
map <up> <nop>
map <down> <nop>
map <left> <...