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Why 0 is true but false is 1 in the shell?
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Interpolating a string into a regex
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answered Sep 29 '08 at 18:53
Jonathan LonowskiJonathan Lonowski
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clearing a char array c
... to view this as a C/C++ null terminated string, setting the first byte to 0 will effectively clear the string.
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How can I confirm a database is Oracle & what version it is using SQL?
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How to make Twitter bootstrap modal full screen
...d this in Bootstrap 3 with the following code:
.modal-dialog {
width: 100%;
height: 100%;
margin: 0;
padding: 0;
}
.modal-content {
height: auto;
min-height: 100%;
border-radius: 0;
}
In general, when you have questions about spacing / padding issues, try right+clicking (or cmd+cl...
Pandas - How to flatten a hierarchical index in columns
...et the columns to the top level:
df.columns = df.columns.get_level_values(0)
Note: if the to level has a name you can also access it by this, rather than 0.
.
If you want to combine/join your MultiIndex into one Index (assuming you have just string entries in your columns) you could:
df.column...
How to print a number with commas as thousands separators in JavaScript
... ====>"} ${x} => ${result}`);
return pass;
}
let failures = 0;
failures += !test(0, "0");
failures += !test(100, "100");
failures += !test(1000, "1,000");
failures += !test(10000, "10,000");
failures += !test(100000, "100,000");
failures += !test(1000000, "...
Why must a nonlinear activation function be used in a backpropagation neural network? [closed]
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170
The purpose of the activation function is to introduce non-linearity into the network
in turn, ...
What's the best way to send a signal to all members of a process group?
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You don't say if the tree you want to kill is a single process group. (This is often the case ...
How to get the source directory of a Bash script from within the script itself?
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#!/bin/bash
DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
is a useful one-liner which will give you the full directory name of the script no matter where it is being called from.
It will work as long as the last component of the p...