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Pimpl idiom vs Pure virtual class interface
...pile-time dependencies. Often, it's not worth the bother. As you rightly point out, there's more syntactic overhead because you have to write forwarding methods for all of the public methods. For type 2 classes, I always use a pure abstract base class with associated factory method(s).
...
How best to determine if an argument is not sent to the JavaScript function
...efault value. The second method will default all but the first (as JS will convert undefined, null, 0, and "" into the boolean false. And if you were to use Tom's method, only the fourth test will use the default!
Which method you choose really depends on your intended behavior. If values other tha...
How do I output coloured text to a Linux terminal?
How do I print coloured characters to a Linux terminal that supports it?
13 Answers
13...
What does flushing the buffer mean?
...s much better for performance. The disadvantage is that a code like:
for (int i = 0; i < 5; i++) {
std::cout << ".";
sleep(1); // or something similar
}
std::cout << "\n";
will output ..... at once (for exact sleep implementation, see this question). In such cases, you wil...
How to build a query string for a URL in C#?
... is a NameValueCollection. When I've done similar things I've usually been interested in serialising AND deserialising so my suggestion is to build a NameValueCollection up and then pass to:
using System.Linq;
using System.Web;
using System.Collections.Specialized;
private string ToQueryString(Nam...
How to use npm with node.exe?
...ack - module bundler, package node-style modules for browser usage
babel - convert modern JS (ES2015+) syntax for your deployment environment.
If you build it...
shelljs - shell utilities for node scripts,. I used to use gulp/grunt, but these days will have a scripts directory that's referenced ...
Any reason to prefer getClass() over instanceof when generating .equals()?
...not be considered meaningful beyond the fact that the class in question is convertible to the base class, the return from getClass() should be considered like any other property which must match for instances to be equal.
– supercat
Apr 16 '14 at 16:41
...
What is the difference between memmove and memcpy?
...n fact, have overlap (or more generally, access the restricted data from pointer derived from multiple places), the behavior of the program is undefined, weird bugs will happen, and the compiler will usually not warn you about it.
– bdonlan
Feb 9 '15 at 6:34
...
Define static method in source-file with declaration in header-file in C++
...uments of static function. They are not class members. There is no need of converting them to static.
– 999k
Dec 9 '14 at 11:08
...
How to know if other threads have finished?
...ompleted.
How to implement Idea #5? Well, one way is to first create an interface:
public interface ThreadCompleteListener {
void notifyOfThreadComplete(final Thread thread);
}
then create the following class:
public abstract class NotifyingThread extends Thread {
private final Set<T...