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How do I create a list of random numbers without duplicates?

...om.randint(0, 100) , but some numbers were the same. Is there a method/module to create a list unique random numbers? 17 An...
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How to concatenate two strings in C++?

I have a private class variable char name[10] to which I would like to add the .txt extension so that I can open the file present in the directory. ...
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angular.service vs angular.factory

...ver on the flip side a factory appears to require a returned value else an error will occur - (shown in this example - jsfiddle.net/hmoc0q3v/1). – MrB Dec 11 '14 at 23:03 ...
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How to perform file system scanning

...ath" "os" "flag" "fmt" ) func visit(path string, f os.FileInfo, err error) error { fmt.Printf("Visited: %s\n", path) return nil } func main() { flag.Parse() root := flag.Arg(0) err := filepath.Walk(root, visit) fmt.Printf("filepath.Walk() returned %v\n", err) } Please note th...
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Maximum length of the textual representation of an IPv6 address?

I want to store the data returned by $_SERVER["REMOTE_ADDR"] in PHP into a DB field, pretty simple task, really. The problem is that I can't find any proper information about the maximum length of the textual representation of an IPv6 address, which is what a webserver provides through $_SERVER...
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What is more efficient? Using pow to square or just multiply it with itself?

...clear. – KillianDS May 30 '10 at 23:05 41 Excess use of bold and italics, not easy on the eyes. ...
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Where to define custom error types in Ruby and/or Rails?

Is there a best practice for defining custom error types in a Ruby library (gem) or Ruby on Rails application? Specifically: ...
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Vim: What's the difference between let and set?

...standard tiny and small builds do this. If it's missing let gives you the error: E319: Sorry, the command is not available in this version Note: if and endif are not implemented either in vim.tiny but in this case the commands do not give an error, instead everything between the two commands is sk...
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git returns http error 407 from proxy after CONNECT

... getting "SSL certificate problem: unable to get local issuer certificate" error) in my case, no need of defining all_proxy variable and finally git clone https://github.com/someUser/someRepo.git share | ...
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how do I insert a column at a specific column index in pandas?

Can I insert a column at a specific column index in pandas? 4 Answers 4 ...