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How can I strip the whitespace from Pandas DataFrame headers?
I am parsing data from an Excel file that has extra white space in some of the column headings.
3 Answers
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How can I recall the argument of the previous bash command?
... to access previous commands.
Other useful commands:
!$ - last argument from previous command
!^ - first argument (after the program/built-in/script) from previous command
!! - previous command (often pronounced "bang bang")
!n - command number n from history
!pattern - most recent command matchi...
Suppress warning messages using mysql from within Terminal, but password written in bash script
When I tried running the following command on MySQL from within Terminal:
25 Answers
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How do I get the web page contents from a WebView?
...in this post on lexandera.com. The code below is basically a cut-and-paste from the site. It seems to do the trick.
final Context myApp = this;
/* An instance of this class will be registered as a JavaScript interface */
class MyJavaScriptInterface
{
@JavascriptInterface
@SuppressWarnings(...
How do I do a not equal in Django queryset filtering?
...s.
Update: I Just tried it out, it seems to work pretty well:
>>> from myapp.models import Entry
>>> from django.db.models import Q
>>> Entry.objects.filter(~Q(id = 3))
[<Entry: Entry object>, <Entry: Entry object>, <Entry: Entry object>, ...]
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Import a module from a relative path
... several products and works in many special scenarios like: scripts called from another directory or executed with python execute instead of opening a new interpreter.
import os, sys, inspect
# realpath() will make your script run, even if you symlink it :)
cmd_folder = os.path.realpath(os.path....
How do I copy a version of a single file from one git branch to another?
...
Run this from the branch where you want the file to end up:
git checkout otherbranch myfile.txt
General formulas:
git checkout <commit_hash> <relative_path_to_file_or_dir>
git checkout <remote_name>/<branch_na...
How can I recover the return value of a function passed to multiprocessing.Process?
...sult, to do the next work. How could we sure where exactly which output is from which process
– Catbuilts
Sep 29 '16 at 11:08
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How can I pass command-line arguments to a Perl program?
...rts only single-character switches and GetOpt::Long is much more flexible. From GetOpt::Long:
use Getopt::Long;
my $data = "file.dat";
my $length = 24;
my $verbose;
$result = GetOptions ("length=i" => \$length, # numeric
"file=s" => \$data, # string
...
Remove file extension from a file name string
...lename you pass as an argument without the extension, as should be obvious from the name.
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