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Applying function with multiple arguments to create a new pandas column
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>>> import numpy as np
>>> df = pd.DataFrame({"A": [10,20,30], "B": [20, 30, 10]})
>>> df['new_column'] = np.multiply(df['A'], df['B'])
>>> df
A B new_column
0 10 20 200
1 20 30 600
2 30 10 300
or vectorize arbitrary functi...
How to generate a random string of a fixed length in Go?
...olution is perfect. This is if performance does matter. Although the first 2 steps (Bytes and Remainder) might be an acceptable compromise: they do improve performance by like 50% (see exact numbers in the II. Benchmark section), and they don't increase complexity significantly.
Having said that, ...
When does invoking a member function on a null instance result in undefined behavior?
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2 Answers
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What is the idiomatic way to compose a URL or URI in Java?
...?q=httpclient&btnG=Google+Search&aq=f&oq=
}
}
Edit: as of v4.2 URIUtils.createURI() has been deprecated in favor of URIBuilder:
URI uri = new URIBuilder()
.setScheme("http")
.setHost("www.google.com")
.setPath("/search")
.setParameter("q", "httpclient")...
How to trigger XDebug profiler for a command line PHP script?
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261
You can pass INI settings with the -d flag: php -d xdebug.profiler_enable=On script.php.
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Revert the `--no-site-packages` option with virtualenv
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162
Try removing (or renaming) the file no-global-site-packages.txt in your Lib folder under your vi...
Are “elseif” and “else if” completely synonymous?
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2 Answers
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Python: How to ignore an exception and proceed? [duplicate]
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623
except:
pass
Python docs for the pass statement
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