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Is returning by rvalue reference more efficient?

...ptimization). Now, you can do the following Beta_ab ab = others.toAB(); And it will move construct the temporary into ab, or do RVO to omit doing a move or copy altogether. I recommend you to read BoostCon09 Rvalue References 101 which explains the matter, and how (N)RVO happens to interact with ...
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Simplest two-way encryption using PHP

...m php codebase. So when using the latest version of php (which should be standard) you are not able to use this deprecated function anymore. – Alexander Behling Sep 12 '19 at 13:09 ...
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How do I add multiple arguments to my custom template filter in a django template?

I looked into django's docs and book but only found example using a single argument... is it even possible? 9 Answers ...
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When deleting remote git branch “error: unable to push to unqualified destination”

... Your answer is awesome. Short and about the essence! – 1nstinct Oct 22 '15 at 18:12 ...
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What is the largest TCP/IP network port number allowable for IPv4?

...ions. Microsoft wrote an interesting Technet article about how to diagnose and avoid it in Windows environments: blogs.technet.microsoft.com/askds/2008/10/29/… – JessieArr Jul 13 '16 at 20:04 ...
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Why doesn't the JVM cache JIT compiled code?

...ower advanced programmers to optimize their application's performance when and where they just know the patterns are not changing, under their responsibility. Why not?! – Alex Martelli Jan 2 '10 at 22:58 ...
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Sending HTTP POST Request In Java

...ost = new HttpPost("http://www.a-domain.com/foo/"); // Request parameters and other properties. List<NameValuePair> params = new ArrayList<NameValuePair>(2); params.add(new BasicNameValuePair("param-1", "12345")); params.add(new BasicNameValuePair("param-2", "Hello!")); httppost.setEnti...
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Create module variables in Ruby

...ports class variables in modules, so you can use class variables directly, and not some proxy or pseudo-class-variables: module Site @@name = "StackOverflow" def self.setName(value) @@name = value end def self.name @@name end end Site.name # => "StackOverflow" Sit...
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HTML if image is not found

...> onerror is a good thing for you :) Just change the image file name and try yourself. share | improve this answer | follow | ...
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How do you dismiss the keyboard when editing a UITextField

...eld sends its action when the user hits the Return ("Done", whatever) key, and also sends its delegate -textFieldShouldReturn:. – Noah Witherspoon Nov 8 '08 at 5:13 ...