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Pandas: drop a level from a multi-level column index?
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edited May 10 '19 at 15:24
answered May 10 '19 at 15:02
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How do I check if an index exists on a table field in MySQL?
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PHP Array to CSV
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edited Oct 28 '12 at 10:57
Vyktor
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answered ...
How to filter logcat in Android Studio?
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How to fix Python indentation
...indent.py.
– Larry Hastings
Feb 28 '10 at 0:35
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show 11 more comments
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How do you change the size of figures drawn with matplotlib?
...faces.
– CMCDragonkai
Jul 17 '17 at 10:48
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with figsize(1,1) you will have a ratio in the image ...
Dynamically select data frame columns using $ and a character value
...eed for reproducibility
set.seed(123)
df <- data.frame( col1 = sample(5,10,repl=T) , col2 = sample(5,10,repl=T) , col3 = sample(5,10,repl=T) )
# We want to sort by 'col3' then by 'col1'
sort_list <- c("col3","col1")
# Use 'do.call' to call order. Seccond argument in do.call is a list of ar...
Why do == comparisons with Integer.valueOf(String) give different results for 127 and 128?
...turns true - 128 == 128 is evaluated, and is of course, true.
Now, a fair bit happens to make that third result true:
An unboxing conversion occurs with respect to the equivalence operator you're using and the datatypes you have - namely, int and Integer. You're getting an Integer from valueOf o...
How to deal with page breaks when printing a large HTML table
...break-after:always for the tag it will create a page break after the last bit of the table, creating an entirely blank page at the end every time!
To fix this just change it to page-break-after:auto.
It will break correctly and not create an extra blank page.
<html>
<head>
<style>...
Comparing two CGRects
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Johannes Fahrenkrug
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answered Sep 16 '13 at 3:44
Amelia777Amelia777
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