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Apply multiple functions to multiple groupby columns
... 0.687672 1.754877 0.672401
Using apply and returning a Series
Now, if you had multiple columns that needed to interact together then you cannot use agg, which implicitly passes a Series to the aggregating function. When using apply the entire group as a DataFrame gets passed into the fu...
How do I create a unique constraint that also allows nulls?
...won't let me store NULLs in a unique column in the first place. If anyone knows a solution for that, please post it here
– dotNET
Feb 2 '15 at 22:01
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parseInt(null, 24) === 23… wait, what?
...isn't a base-24 numeric string in entirety, but "n" is: it's decimal 23.
Now, parsing stops after the decimal 23 is pulled out, because "u" isn't found in the base-24 system:
If S contains any character that is
not a radix-R digit, then let Z be the
substring of S consisting of all
chara...
Android Location Providers - GPS or Network Provider?
...com/a/3145655/28557
-----------------------Update-----------------------
Now Android have Fused location provider
The Fused Location Provider intelligently manages the underlying location technology and gives you the best location according to your needs. It simplifies ways for apps to get the us...
Command line progress bar in Java
...ogressbar, License: MIT
Simple console progress bar. Progress bar writing now runs on another thread.
Menlo, Fira Mono, Source Code Pro or SF Mono are recommended for optimal visual effects.
For Consolas or Andale Mono fonts, use ProgressBarStyle.ASCII (see below) because the box-drawing glyphs...
Text-align class for inside a table
...
<p class="text-justify">Justified text.</p>
<p class="text-nowrap">No wrap text.</p>
Bootstrap 4
v4 Text Alignment Docs
<p class="text-xs-left">Left aligned text on all viewport sizes.</p>
<p class="text-xs-center">Center aligned text on all viewport ...
In C#, What is a monad?
...ittag I read that quote before, but it sounded like overly heady nonsense. Now that I do understand monads and read this explanation of how ';' is one, I get it. But I think it's really an irrational statement to most imperative developers. ';' isn't seen as an operator anymore than // is to most.
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What does the git index contain EXACTLY?
... entries.
With the new index.threads config setting, the index loading is now faster.
As a result (of using IEOT), commit 7bd9631 clean-up the read-cache.c load_cache_entries_threaded() function for Git 2.23 (Q3 2019).
See commit 8373037, commit d713e88, commit d92349d, commit 113c29a, commit c95f...
How do I have an enum bound combobox with custom string formatting for enum values?
...run-of-the-mill never-will-be-globalized-in-any-way piece of software. (I know, that assumption will turn out to be false later. ;-))
– peSHIr
Apr 28 '09 at 8:15
add a comment...
How to use '-prune' option of 'find' in sh?
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+1 finally found out why I need -print at end, I can now stop adding \! -path <pattern> in addition to -prune
– Miserable Variable
May 14 '13 at 20:39
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