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Drop columns whose name contains a specific string from pandas DataFrame
... x
1 x x x
For case-insensitive matching, you can use regex-based matching with str.contains with an SOL anchor:
df.columns.str.contains('^test', case=False)
# array([ True, False, True, False])
df.loc[:,~df.columns.str.contains('^test', case=False)]
toto riri
0 x x
1 ...
Number of processors/cores in command line
...s /proc/cpuinfo. nproc is there on my ubuntu VM, but not on my RedHat 5.5-based machine.
– Digital Trauma
Oct 27 '13 at 15:41
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What is the maven-shade-plugin used for, and why would you want to relocate Java packages?
...s tied closely into what elasticsearch exposes and how it uses the library based on the internals of how the library works (and that changes between versions), netty and guava are great examples.
Btw, I have no problem with actually providing several jars of elasticsearch, one with lucene not shaded...
How do I escape ampersands in XML so they are rendered as entities in HTML?
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I have tried &amp, but it didn't work. Based on Wim ten Brink's answe
jQuery and TinyMCE: textarea value doesn't submit
...at: http://jsfiddle.net/9euk9/49/
Update: The code above has been updated based on DOOManiac's comment
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How to force ASP.NET Web API to always return JSON?
...oes content negotiation by default - will return XML or JSON or other type based on the Accept header. I don't need / want this, is there a way (like an attribute or something) to tell Web API to always return JSON?
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Visual Studio 2010 shortcut to find classes and methods?
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@Alexander - And I knew that based on the question the OP asked, how?
– Troy
Oct 18 '17 at 15:05
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When does a process get SIGABRT (signal 6)?
... an example for this.
Here when d is to be constructed, it first calls its base class A ctor,
and passes inside pointer to itself.
the A ctor calls pure virtual method before table was filled with valid pointer,
because d is not constructed yet.
#include<iostream>
using namespace std;
class ...
How to configure the web.config to allow requests of any length
...suggests, but it didn't work... and this is because I'm using IIS Express (based on IIS 8) on my dev machine with Windows 8.
When I deployed my app to the production environment (Windows Server 2008 R2 with IIS 7), IE 10 started returning 404 errors in AJAX requests with long query strings. Then I ...
Where can I find and submit bug reports on Google's Chrome browser?
...t it to the Chromium bug tracker. The official build of Chrome is directly based on Chromium.
– s4y
Apr 19 '17 at 20:00
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