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Measuring function execution time in R

Is there a standardized way in R of measuring execution time of function? 10 Answers 1...
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Vim search and replace selected text

Let's say we have a text, and I enter visual mode and select some text. How do I quickly do a search for the highlighted text and replace it with something else? ...
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Open URL in same window and in same tab

I want to open a link in the same window and in the same tab that contains the page with the link. 14 Answers ...
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Eclipse Optimize Imports to Include Static Imports

...rites In mine, I have the following entries (when adding, use "New Type" and omit the .*): org.hamcrest.Matchers.* org.hamcrest.CoreMatchers.* org.junit.* org.junit.Assert.* org.junit.Assume.* org.junit.matchers.JUnitMatchers.* All but the third of those are static imports. By having those as ...
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Assigning out/ref parameters in Moq

... @ATD partly yes. Declare a delegate with the out parameter and assign the value in the callback with the syntax from above – royalTS Jul 25 '19 at 7:06 ...
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You have already activated rake 0.9.0, but your Gemfile requires rake 0.8.7

... to make sure that rake is mentioned in your Gemfile. If it's not, add it, and specify the version "you already activated". Then, you'll need to tell bundle to update the rake version it's using for your app: bundle update rake It'll update your Gemfile.lock for you. ...
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How do I get started with Node.js [closed]

...World Web Server (paid) Node.js guide Build a blog with Node.js, express and MongoDB Node.js for Beginners Learn Node.js Completely and with Confidence Node JS Processing Model – Single Threaded Model with Event Loop Architecture RisingStack's Node Hero Series Great Node.js tutorials voted ...
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How to synchronize a static variable among threads running different instances of a class in Java?

... The reason #3 is the best is that any random bit of code could synchronize on Test.class and potentially spoil your day. Also, class initialization runs with a lock on the class held, so if you've got crazy class initializers you can give yourself headaches. vol...
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When is TCP option SO_LINGER (0) required?

I think I understand the formal meaning of the option. In some legacy code I'm handling now, the option is used. The customer complains about RST as response to FIN from its side on connection close from its side. ...
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When to use extern in C++

I'm reading "Think in C++" and it just introduced the extern declaration. For example: 4 Answers ...