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How to insert an item into an array at a specific index (JavaScript)?
...en/JavaScript/Guide/…
– Dingo
Mar 10 '11 at 9:54
57
Splice can insert, but just as frequently d...
Sort a list from another list IDs
...odrellJodrell
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How to drop a list of rows from Pandas dataframe?
...o much time.
In my case, I have a multi-indexed DataFrame of floats with 100M rows x 3 cols, and I need to remove 10k rows from it. The fastest method I found is, quite counterintuitively, to take the remaining rows.
Let indexes_to_drop be an array of positional indexes to drop ([1, 2, 4] in the ...
Is there a rule-of-thumb for how to divide a dataset into training and validation sets?
...ances in each category rather than the percentage.
If you have a total of 100 instances, you're probably stuck with cross validation as no single split is going to give you satisfactory variance in your estimates. If you have 100,000 instances, it doesn't really matter whether you choose an 80:20 s...
What is the fastest way to get the value of π?
.... t)
Lastly, how about some pi golf (800 digits)? 160 characters!
int a=10000,b,c=2800,d,e,f[2801],g;main(){for(;b-c;)f[b++]=a/5;for(;d=0,g=c*2;c-=14,printf("%.4d",e+d/a),e=d%a)for(b=c;d+=f[b]*a,f[b]=d%--g,d/=g--,--b;d*=b);}
...
How to store a git config as part of the repository?
...user to).
– Hasturkun
Aug 20 '13 at 10:01
4
@HenryBlyth there seems to be a --file option on git ...
Are Javascript arrays sparse?
...k you actually get a dense array if you say something like foo = new Array(10000). However, this is supposed to work: foo = Array.apply(null, {length: 10});.
– doubleOrt
Oct 2 '17 at 11:04
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Java Timestamp - How can I create a Timestamp with the date 23/09/2007?
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answered Jun 10 '09 at 11:19
Adam PaynterAdam Paynter
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Javascript How to define multiple variables on a single line?
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edited Nov 12 '10 at 16:39
answered Nov 12 '10 at 16:27
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ASP.NET Temporary files cleanup
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dthrasherdthrasher
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