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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 ...
Remove directory which is not empty
...
+100
To remove folder synchronously
const fs = require('fs');
const Path = require('path');
const deleteFolderRecursive = function(path...
Get a CSS value with JavaScript
...y:
<html>
<body>
<div id="test" style="height: 100px;">Test</div>
<script type="text/javascript" src="jquery.min.js"></script>
<script type="text/javascript">
alert($("#test").css("height"));
</script>
...
In vim, how do I get a file to open at the same line number I closed it at last time?
... .viminfo is owned by root for some reason! This needs to be in the other 100 documentations that I read.
– Jack
May 29 '15 at 22:19
2
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Fastest way to get the first object from a queryset in django?
...tQuery()
And use it like this:
first_object = MyModel.objects.filter(x=100).first()
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UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 13: ordinal not in range(128)
...uence. It turned out to be an editor mistake.
00008099: C2 194 302 11000010
00008100: A0 160 240 10100000
00008101: d 64 100 144 01100100
00008102: e 65 101 145 01100101
00008103: f 66 102 146 01100110
00008104: a 61 097 141 01100001
00008105: u 75 117 165 01110101
0000810...
How do I vertically align something inside a span tag?
...lem is when the text wraps. With two lines this span will be rendered with 100px height.
– Norberto Yoan
Apr 26 '13 at 13:37
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Converting an int to std::string
...s implemented on most common compilers:
int input = MY_VALUE;
char buffer[100] = {0};
int number_base = 10;
std::string output = itoa(input, buffer, number_base);
Update
C++11 introduced several std::to_string overloads (note that it defaults to base-10).
...
I change the capitalization of a directory and Git doesn't seem to pick up on it
...
+100
You can tell git to take account of the case by running
git config core.ignorecase false
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Oracle “(+)” Operator
...b ON a.id=b.id
Ref & help:
https://asktom.oracle.com/pls/asktom/f?p=100:11:::::P11_QUESTION_ID:6585774577187
Left Outer Join using + sign in Oracle 11g
https://www.w3schools.com/sql/sql_join_left.asp
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