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When to use an interface instead of an abstract class and vice versa?
...his class has written a generic algorithm and intends for people to use it by "specializing" it by providing their own "hooks" - in this case, a "compare" method.
So the intended usage is something like this:
class NameSorter : QuickSorter
{
public bool compare(object lhs, object rhs)
{
...
Why implement interface explicitly?
...es exactly this is one case that EIMI solves. And other points are covered by "Michael B" answer.
– crypted
Nov 5 '10 at 4:20
10
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What is RPC framework and Apache Thrift?
... world through a JSON-based protocol over HTTP. This service may be called by a client program written in Python, running on a Windows machine. The code for both server and client is generated from a Thrift IDL file. To get it running, you basically have to add only the intended program logic and pu...
Remove data.frame row names when using xtable
...(xtable(res), include.rownames=FALSE)
% latex table generated in R 2.12.2 by xtable 1.5-6 package
% Fri Mar 25 10:06:08 2011
\begin{table}[ht]
\begin{center}
\begin{tabular}{rrrrr}
\hline
am & cyl & mpg & hp & wt \\
\hline
0.00 & 4.00 & 22.90 & 84.67 & 2.94 \\
...
Better way of getting time in milliseconds in javascript?
... I am having some problems with the reliability of the exact time returned by this object.
5 Answers
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Objective-C implicit conversion loses integer precision 'NSUInteger' (aka 'unsigned long') to 'int'
...
@ShaunBudhram By the looks of it nope. I haven't seen any difference. It will only make a difference in apps that use the CPU heavily - games for example would see a benefit compiling for 64 bit.
– Robert J. Clegg
...
Does async(launch::async) in C++11 make thread pools obsolete for avoiding expensive thread creation
.... And even the worker thread with the inter-thread queue slows things down by a factor of 20 or so on Fedora 25 in a VM, and by about 8 on native OS X.
I created a Bitbucket project holding the code I used for the performance test. It can be found here: https://bitbucket.org/omnifarious/launch_thre...
Inheritance and Overriding __init__ in python
...the example I child still prints "Grandma". Isn't grandparent init handled by the Parent class?
– Adam
Apr 30 '14 at 22:17
4
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How do you use Mongoose without defining a schema?
...u looking for Mongoose Strict
option: strict
The strict option, (enabled by default), ensures that values added to our model instance that were not specified in our schema do not get saved to the db.
Note: Do not set to false unless you have good reason.
var thingSchema = new Schema({..}, {...
Break promise chain and call a function based on the step in the chain where it is broken (rejected)
...a catch block). If an error is thrown in handleErrorOne, it will be caught by the next catch block (catch(e2)), and so on.
This is obviously not what you intended.
Let's say we want the entire resolution chain to fail no matter what goes wrong:
stepOne()
.then(function(a) {
return stepTwo(a)....