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Difference between fmt.Println() and println() in Go

As illustrated below, both fmt.Println() and println() give same output in Go: Hello world! 5 Answers ...
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How do I find the duplicates in a list and create another list with them?

How can I find the duplicates in a Python list and create another list of the duplicates? The list only contains integers. ...
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Default value in Go's method

Is there a way to specify default value in Go's function? I am trying to find this in the documentation but I can't find anything that specifies that this is even possible. ...
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How to generate unique ID with node.js

How to set a variable value with database query callback? How I can do it? 13 Answers ...
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Using NSPredicate to filter an NSArray based on NSDictionary keys

I have an array of dictionaries. 6 Answers 6 ...
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updating table rows in postgres using subquery

Using postgres 8.4, My goal is to update existing table: 6 Answers 6 ...
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How to generate random SHA1 hash to use as ID in node.js?

I am using this line to generate a sha1 id for node.js: 4 Answers 4 ...
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How to mkdir only if a directory does not already exist?

I am writing a shell script to run under the KornShell (ksh) on AIX. I would like to use the mkdir command to create a directory. But the directory may already exist, in which case I do not want to do anything. So I want to either test to see that the directory does not exist, or suppress the "Fil...
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What does “rc” mean in dot files

In my home folder in Linux I have several config files that have "rc" as a file name extension: 5 Answers ...
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Delete text in between HTML tags in vim?

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