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Why should I declare a virtual destructor for an abstract class in C++?
...delete on a pointer to it (or if it says so in its documentation), you are free to not declare a virtual destructor.
You can forbid clients to call delete on a pointer to it by making its destructor protected. Working like this, it is perfectly safe and reasonable to omit a virtual destructor.
Yo...
Using the Underscore module with Node.js
...e's command line mode) uses the "_" to hold the last result BUT on you are free to use it on your code files and it will work without a problem by doing the standard:
var _ = require('underscore');
Happy coding!
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In log4j, does checking isDebugEnabled before logging improve performance?
...ased log methods is that you can pass some Object(s) (which is essentially free), and the logger will call toString() only if required.
– SusanW
Feb 2 '17 at 14:00
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How do you reference a capture group with regex find and replace in Visual Studio 2012, 2013, 2015,
... Thinking about that now, it would make sense. I haven't tested it. Feel free to throw an edit in there.
– SgtPooki
Mar 10 '16 at 21:56
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Newline in JLabel
...t features. You can check out an article on StyledLabel below. It is still free and open source.
http://www.jidesoft.com/articles/StyledLabel.pdf
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ElasticSearch, Sphinx, Lucene, Solr, Xapian. Which fits for which usage? [closed]
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Nice, I found that I can use elasticsearch free with heroku, opposed to using something like solr which costs money...
– hellomello
Oct 30 '13 at 19:02
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Cross compile Go on OSX?
... which let you set environment variables for that command only, completely free of charge.
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When to use IList and when to use List
...ng.
If you specify your methods to return an interface that means you are free to change the exact implementation later on without the consuming method ever knowing. I thought I'd never need to change from a List<T> but had to later change to use a custom list library for the extra functional...
How can I get a resource “Folder” from inside my jar File?
...ystem is Closeable, which means that you have to close it at some point to free system resources. Of course, returned Path will become invalid immediately after that.
– Kirill Gamazkov
Jul 24 '18 at 8:51
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Fixing slow initial load for IIS
...d option to ping the site on a schedule is to use Microsoft Flow, which is free for up to 750 "runs" per month. It is very easy to create a Flow that hits your site every hour to keep it warm. You can even work around their limit of 750 by creating a single flow with delays separating multiple hits ...