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What are metaclasses in Python?
In Python, what are metaclasses and what do we use them for?
22 Answers
22
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How to prevent open last projects when intellij idea start
...ted Jan 23 '16 at 19:54
James Moore
7,22655 gold badges5757 silver badges8181 bronze badges
answered Mar 19 '11 at 12:26
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Simplest/Cleanest way to implement singleton in JavaScript?
...ton.js
const somePrivateState = []
function privateFn () {
// ...
}
export default {
method1() {
// ...
},
method2() {
// ...
}
}
Then you can simply import the singleton object to use it:
import myInstance from './my-singleton.js'
// ...
...
C# 4 default parameter values: How to assign a default DateTime/object value? [duplicate]
...nly be assigned compile-time constants, how do you provide default values for objects like DateTime?
6 Answers
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NUnit vs. MbUnit vs. MSTest vs. xUnit.net [closed]
There are quite a lot of unittesting frameworks out there for .NET. I found this little feature comparison: http://xunit.github.io/docs/comparisons.html
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Difference between solr and lucene
... that Lucene and Solr are 2 differents Apache projects that are made to work together, but I don't understand what is the aim of each project.
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SparseArray vs HashMap
...replace HashMap when the key is a primitive type.
There are some variants for different key/value types, even though not all of them are publicly available.
Benefits are:
Allocation-free
No boxing
Drawbacks:
Generally slower, not indicated for large collections
They won't work in a non-Androi...
setBackground vs setBackgroundDrawable (Android)
I want to set background drawable of a view. There are two methods for this (as far as I see): setBackground and setBackgroundDrawable .
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Is it safe to parse a /proc/ file?
...our code if you assume too much about the consistency of a file in /proc. For example, see this bug which came from assuming that /proc/mounts was a consistent snapshot.
For example:
/proc/uptime is totally atomic, as someone mentioned in another answer -- but only since Linux 2.6.30, which is le...
How to apply an XSLT Stylesheet in C#
...
I found a possible answer here: http://web.archive.org/web/20130329123237/http://www.csharpfriends.com/Articles/getArticle.aspx?articleID=63
From the article:
XPathDocument myXPathDoc = new XPathDocument(myXmlFile) ;
XslTransform myXslTrans = new XslTransform() ;
myXslTrans...