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How to change the order of DataFrame columns?
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How about:
df.insert(0, 'mean', df.mean(1))
http://pandas.pydata.org/pandas-docs/stable/dsintro.html#column-selection-addition-deletion
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Getting the folder name from a path
What objects or methods could I use that would give me a result of folder2 ?
9 Answers
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Migration: Cannot add foreign key constraint
...to an earlier time than the file with the primary key as recommended here: http://forumsarchive.laravel.io/viewtopic.php?id=10246
I think I also had to add in $table->engine = 'InnoDB';
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Input text dialog Android
...lt;?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="@dimen/content_padding_normal">
<android.support.design.widget.TextI...
What's the point of const pointers?
...ou should use in pursuit of a very important C++ concept:
Find bugs at compile-time, rather than run-time, by getting the compiler to enforce what you mean.
Even though it doesn't change the functionality, adding const generates a compiler error when you're doing things you didn't mean to do. ...
Getting an “ambiguous redirect” error
The following line in my Bash script
11 Answers
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How to create a loop in bash that is waiting for a webserver to respond?
...his worked for me:
until $(curl --output /dev/null --silent --head --fail http://myhost:myport); do
printf '.'
sleep 5
done
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Switch statement for string matching in JavaScript
...oing substring matching. (This isn't quite true, as Sean points out in the comments. See note at the end.)
If you're happy that your regex at the top is stripping away everything that you don't want to compare in your match, you don't need a substring match, and could do:
switch (base_url_string) ...
(Built-in) way in JavaScript to check if a string is a valid number
...NaN in the latest version of Chrome. See the performance test here: jsperf.com/isnan-vs-typeof/5
– Kevin Jurkowski
Jan 22 '14 at 0:59
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