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add a string prefix to each value in a string column using Pandas
...ame({'col':['a', 0]*200000})
%timeit df['col'].apply(lambda x: f"str{x}")
117 ms ± 451 µs per loop (mean ± std. dev. of 7 runs, 10 loops each)
%timeit 'str' + df['col'].astype(str)
112 ms ± 1.04 ms per loop (mean ± std. dev. of 7 runs, 10 loops each)
Using format, however, is indeed far slo...
Apply CSS style attribute dynamically in Angular JS
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In fact this still doesnt work in IE11, I copied some code from a previous project and was confused when it didnt work, previous project was using Chrome
– csharpsql
Jan 12 '18 at 9:09
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git stash blunder: git stash pop and ended up with merge conflicts
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answered May 15 '10 at 16:56
tanasciustanascius
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What's the difference between __PRETTY_FUNCTION__, __FUNCTION__, __func__?
...s no special meaning during preprocessing.
__func__ was added to C++ in C++11, where it is specified as containing "an implementation-defined string" (C++11 §8.4.1[dcl.fct.def.general]/8), which is not quite as useful as the specification in C. (The original proposal to add __func__ to C++ was N16...
In PHP what does it mean by a function being binary-safe?
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answered Jul 16 '10 at 11:57
Michael BorgwardtMichael Borgwardt
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Interface Builder: What are the UIView's Layout iOS 6/7 Deltas for?
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answered Sep 11 '13 at 15:11
digarokdigarok
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Case in Select Statement
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NuNn DaDdYNuNn DaDdY
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Accessing UI (Main) Thread safely in WPF
...93C48.9099 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 45.2525 4.66231 44.6595 4.66231C43.6264 4.66231 43.1481 5.28821 43.1481 6.59048V11.9512C43.1481 13.2535 43.6264 13.8962 44.6595 13.8962C45.69...
Creating Threads in python
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phoenix
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answered May 25 '10 at 15:20
jkpjkp
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