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What does “mro()” do?
...s we have single inheritance, __mro__ is just the tuple of: the class, its base, its base's base, and so on up to object (only works for new-style classes of course).
Now, with multiple inheritance...:
>>> class D(B, C): pass
...
>>> D.__mro__
(<class '__main__.D'>, <cl...
delegate keyword vs. lambda notation
...hing trick)...
using System;
using System.Linq.Expressions;
public class Base
{
public void Foo(Action action)
{
Console.WriteLine("I suspect the lambda expression...");
}
}
public class Derived : Base
{
public void Foo(Action<int> action)
{
Console.Write...
Does Qt support virtual pure slots?
...generated by MOC does call the pure virtual slots, but that's ok since the base class can't be instantiated anyway...
Again, just like regular c++ pure virtual methods, the class cannot be instantiated until the methods are given an implementation.
One thing: in the subclass, you actuallly don't n...
Simple tool to 'accept theirs' or 'accept mine' on a whole file using git
...rs can appear swapped if you are resolving conflicts in the context of a rebase operation. Because rebase works by checking out the target branch then cherry-picking commits from "your" branch onto the target, the incoming change ("theirs") is from "your" branch, and the current branch is the targe...
Difference between HBase and Hadoop/HDFS
... it. So if somebody can help me clearly understand difference between the HBase and Hadoop or if give some pointers which might help me understand the difference.
...
Logback to log different messages to two files
...s.logback.core.rolling.RollingFileAppender">
<file>${catalina.base}/logs/worker.log</file>
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<fileNamePattern>${catalina.base}/logs/worker-%d{yyyy-MM-dd_HH}.log</fileNamePattern>...
data.table vs dplyr: can one do something well the other can't or does poorly?
...n shallow copied DT
DT[x > 2L, x := 3L] ## have to copy (like base R / dplyr does always); otherwise original DT will
## also get modified.
}
By not using shallow(), the old functionality is retained:
bar <- function(DT) {
DT[, newcol := 1L] ...
ASP.NET WebApi vs MVC ? [closed]
...care of returning data in particular format like
JSON,XML or any other based upon the Accept header in the request
and you don't worry about that. MVC only return data in JSON format
using JsonResult.
4. In Web API the request are mapped to the actions based on HTTP verbs
but in MVC...
Most efficient way to cast List to List
I have a List<SubClass> that I want to treat as a List<BaseClass> . It seems like it shouldn't be a problem since casting a SubClass to a BaseClass is a snap, but my compiler complains that the cast is impossible.
...
INotifyPropertyChanged vs. DependencyProperty in ViewModel
...ssed
on the thread on which it was
created
I prefer the POCO approach. A base class for PresentationModel (aka ViewModel) which implements INotifyPropertyChanged interface can be found here: http://compositeextensions.codeplex.com
...