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What does axis in pandas mean?
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I think the confusion comes from the complexity of each so-called "act". df.dropna(axis=0) will first check all the COLUMNS in each ROW and then drop those ROWS with a null. The axis talks about the last step but our brain will focus on the first part....
Using MVC HtmlHelper extensions from Razor declarative views
...not load type 'System.Web.WebPages.Instrumentation.InstrumentationService' from assembly 'System.Web.WebPages, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'." when hovering @using System.Web.Mvc. Any ideas?
– JoeBrockhaus
Getting “A potentially dangerous Request.Path value was detected from the client (&)”
...nerate the error "A potentially dangerous Request.Path value was detected from the client (&)" . The site is written with ASP.Net MVC 3 (in C#) and is running on IIS 7.5.
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Import error: No module name urllib2
...en converting your sources to Python 3.
So you should instead be saying
from urllib.request import urlopen
html = urlopen("http://www.google.com/").read()
print(html)
Your current, now-edited code sample is incorrect because you are saying urllib.urlopen("http://www.google.com/") instead of jus...
How to write to a file in Scala?
...istent since mid-2009...
Scala-IO has changed place: see its GitHub repo, from Jesse Eichar (also on SO):
The Scala IO umbrella project consists of a few sub projects for different aspects and extensions of IO.
There are two main components of Scala IO:
Core - Core primarily deals wit...
Generic type conversion FROM string
...ypeConverter tc = TypeDescriptor.GetConverter(t);
return tc.ConvertFrom(value);
}
public static void RegisterTypeConverter<T, TC>() where TC : TypeConverter
{
TypeDescriptor.AddAttributes(typeof(T), new TypeConverterAttribute(typeof(TC)));
}
}
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How to remove line breaks (no characters!) from the string?
...o use PHP trim
This function returns a string with whitespace stripped from the beginning and end of str. Without the second parameter, trim() will strip these characters:
" " (ASCII 32 (0x20)), an ordinary space.
"\t" (ASCII 9 (0x09)), a tab.
"\n" (ASCII 10 (0x0A)), a new line (line...
Database Structure for Tree Data Structure
...2
Joe Celko has written a book on this subject, which is a good reference from a general SQL perspective (it is mentioned in the nested set article link above).
Also, Itzik Ben-Gann has a good overview of the most common options in his book "Inside Microsoft SQL Server 2005: T-SQL Querying".
The ...
How to force link from iframe to be opened in the parent window
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+1 from me, base target="_parent" works but target="_parent" has never failed for me!
– user903601
Mar 14 '12 at 5:18
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How to close a Java Swing application from the code
What is the proper way to terminate a Swing application from the code, and what are the pitfalls?
9 Answers
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