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Count, size, length…too many choices in Ruby?
... an element or predicate and count only those items that match.
> [1,2,3].count{|x| x > 2 }
=> 1
In the case where you don't provide a parameter to count it has basically the same effect as calling length. There can be a performance difference though.
We can see from the source code f...
What does “#define _GNU_SOURCE” imply?
Today I had to use the basename() function, and the man 3 basename ( here ) gave me some strange message:
4 Answers
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Javascript web app and Java server, build all in Maven or use Grunt for web app?
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After working with about every asset pipeline tool in the Java toolkit for a while I have come t...
ASP.NET Identity's default Password Hasher - How does it work and is it secure?
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Here is how the default implementation (ASP.NET Framework or ASP.NET Core) works. It uses a Key...
View entire check in history TFS
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edited Oct 13 '10 at 0:35
Preet Sangha
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How to return smart pointers (shared_ptr), by reference or by value?
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edited Jun 30 '17 at 16:06
Ray Hulha
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Format a date using the new date time API
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How do I convert a org.w3c.dom.Document object to a String?
I want to convert a org.w3c.dom.Document object to a String. I'm using Java 6 and am open to using any (completely free) technology that is up to the task. I tried the solution from this thread -- Is there a more elegant way to convert an XML Document to a String in Java than this code? , where t...
How to optimize imports automatically after each save in IntelliJ IDEA
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IntelliJ IDEA offers an option to Optimize imports on the fly in Settings | Editor | General | ...