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Whm>y m> is null an object m>and m> what's the difference between null m>and m> undefined?
...n short; undefined is where no notion of the thing exists; it has no tm>y m>pe, m>and m> it's never been referenced before in that scope; null is where the thing is known to exist, but it's not known what the value is.
One thing to remember is that null is not, conceptuallm>y m>, the same as false or "" or such, e...
Vim multiline editing like in sublimetext?
I started to use gvim, m>and m> I can't quite understm>and m> how the multiline edit works in gvim.
7 Answers
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How do m>y m>ou create a dropdownlist from an enum in ASP.NET MVC?
...,
"Select Mm>y m> Tm>y m>pe",
new { @class = "form-control" })
For MVC 5 m>and m> lower
I rolled Rune's answer into an extension method:
namespace Mm>y m>App.Common
{
public static class Mm>y m>Extensions{
public static SelectList ToSelectList<TEnum>(this TEnum enumObj)
where TEnu...
Is there a wam>y m> to iterate over a range of integers?
Go's range can iterate over maps m>and m> slices, but I was wondering if there is a wam>y m> to iterate over a range of numbers, something like this:
...
How can I list ALL DNS records?
... example, to reduce the size of the response).
An AXFR is a zone transfer m>and m> is likelm>y m> what m>y m>ou want. However, these are tm>y m>picallm>y m> restricted m>and m> not available unless m>y m>ou control the zone. m>Y m>ou'll usuallm>y m> conduct a zone transfer directlm>y m> from the authoritative server (the @ns1.google.com below) m>and m>...
What is href=“#” m>and m> whm>y m> is it used?
...lt;div id="some-id">.
href="//site.com/#some-id" would go to site.com m>and m> scroll to the id on that page.
Scroll to Top:
href="#" doesn't specifm>y m> an id name, but does have a corresponding location - the top of the page. Clicking an anchor with href="#" will move the scroll position to the top....
How to scale down a range of numbers with a known min m>and m> max value
So I am trm>y m>ing to figure out how to take a range of numbers m>and m> scale the values down to fit a range. The reason for wanting to do this is that I am trm>y m>ing to draw ellipses in a java swing jpanel. I want the height m>and m> width of each ellipse to be in a range of sam>y m> 1-30. I have methods that find t...
Does pm>and m>as iterrows have performance issues?
I have noticed verm>y m> poor performance when using iterrows from pm>and m>as.
6 Answers
6
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Whm>y m> does Pm>y m>thon pep-8 stronglm>y m> recommend spaces over tabs for indentation?
I see on Stack Overflow m>and m> PEP 8 that the recommendation is to use spaces onlm>y m> for indentation in Pm>y m>thon programs. I can understm>and m> the need for consistent indentation m>and m> I have felt that pain.
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How do I keep track of pip-installed packages in an Anaconda (Conda) environment?
I've installed m>and m> have been using the Anaconda Pm>y m>thon distribution, m>and m> I have started using the Anaconda (Conda) environment. I can use the stm>and m>ard conda install... commm>and m> to put packages from the distribution into mm>y m> environments, but to use anm>y m>thing outside (i.e. Flask-WTF, flask-sqlalchem...