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surface plots in matplotlib
...esenting a set of points in 3D space. I want to plot a surface that covers all these points.
8 Answers
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ActiveRecord: size vs count
...l valid.
You'll adapt the function you use depending on your needs.
Basically:
if you already load all entries, say User.all, then you should use length to avoid another db query
if you haven't anything loaded, use count to make a count query on your db
if you don't want to bother with these con...
How do I get a reference to the app delegate in Swift?
...
11
In case anyone is still having problems, targeting OS X requires you to import Cocoa for this to work for NSApplication.sharedApplication()...
What is the most compatible way to install python modules on a Mac?
...s well as Linux. I'm finding that on Linux (Ubuntu 9.04 mostly) when I install a python module using apt-get it works fine. I can import it with no trouble.
...
Perform .join on value in array of objects
...Array.prototype.map is what you're looking for if you want to code functionally.
[
{name: "Joe", age: 22},
{name: "Kevin", age: 24},
{name: "Peter", age: 21}
].map(function(elem){
return elem.name;
}).join(",");
In modern JavaScript:
[
{name: "Joe", age: 22},
{name: "Kevin", age: 2...
How to pass table value parameters to stored procedure from .net code
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edited Apr 11 '17 at 6:41
Kjartan
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Inline instantiation of a constant List
...
answered Jan 12 '11 at 11:46
Jon SkeetJon Skeet
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Export a graph to .eps file with R
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answered Nov 16 '11 at 6:10
CompEconCompEcon
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...
Line continuation for list comprehensions or generator expressions in python
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answered Apr 27 '11 at 18:56
Fred FooFred Foo
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...
Groovy / grails how to determine a data type?
...
To determine the class of an object simply call:
someObject.getClass()
You can abbreviate this to someObject.class in most cases. However, if you use this on a Map it will try to retrieve the value with key 'class'. Because of this, I always use getClass() even thou...