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Using global variables in a function
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edited Aug 11 at 21:32
Rayner Da Cruz
16322 gold badges44 silver badges1111 bronze badges
answered...
Reflecting parameter name: abuse of C# lambda expressions or syntax brilliance?
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32
I don't like non interoperability as a reason to not do something. If interoperability is a requirement then do it, if not, then why worry...
How do I detect what .NET Framework versions and service packs are installed?
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1.1 HKLM\Software\Microsoft\NET Framework Setup\NDP\v1.1.4322\Install
2.0 HKLM\Software\Microsoft\NET Framework Setup\NDP\v2.0.50727\Install
3.0 HKLM\Software\Microsoft\NET Framework Setup\NDP\v3.0\Setup\InstallSuccess
3.5 HKLM\Softwar...
Disabling Chrome Autofill
...estions
– Deminetix
Nov 16 '16 at 2:32
31
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count the frequency that a value occurs in a dataframe column
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In [38]:
df['a'].value_counts()
Out[38]:
b 3
a 2
s 2
dtype: int64
If you wanted to add frequency back to the original dataframe use transform to return an aligned index:
In [41]:
df['freq'] = df.groupby('a')['a'].transform('count')
df
Out[41]:
a freq
0 a 2
1 b 3
2 s 2...
Update just one gem with bundler
...undle update
> ruby -v
ruby 2.6.5p114 (2019-10-01 revision 67812) [x86_64-darwin19]
> gem -v
3.0.3
> bundle -v
Bundler version 2.1.4
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Hiding the scroll bar on an HTML page
...: auto, but I'm not a fan of abusing width for visibility tweaks.
Firefox 64 now supports the experimental scrollbar-width property by default (63 requires a configuration flag to be set). To hide the scrollbar in Firefox 64:
#element {
scrollbar-width: none;
}
To see if your current browser...
Android - Handle “Enter” in an EditText
... CommonsWareCommonsWare
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26...
Is “inline” without “static” or “extern” ever useful in C99?
...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
PHP: Storing 'objects' inside the $_SESSION
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GregGreg
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